:root {
    color-scheme: light;
    --color-fairway-700: #0f766e;
    --color-fairway-800: #0b4f4b;
    --color-gold-500: #ca8a04;
    --color-ink-900: #1d312c;
    --color-ink-700: #5b6f68;
    --color-sand-50: #fffaf3;
    --color-sand-100: #f4efe6;
    --color-danger-600: #b42318;
    --color-danger-100: #fff1ef;
    --color-danger-border: rgba(217, 45, 32, 0.26);

    --surface-page: #f4efe6;
    --surface-page-accent: #dce8dd;
    --surface-card: rgba(255, 252, 247, 0.88);
    --surface-card-strong: #fffaf3;
    --surface-soft: rgba(255, 255, 255, 0.72);

    --text-primary: #1d312c;
    --text-muted: #5b6f68;
    --text-inverse: #f8fffb;
    --text-link: #0f766e;

    --brand-primary: #0f766e;
    --brand-strong: #0b4f4b;
    --brand-soft: rgba(15, 118, 110, 0.12);
    --accent-warm: #ca8a04;

    --border-default: rgba(29, 49, 44, 0.12);
    --border-strong: rgba(29, 49, 44, 0.2);
    --focus-ring: rgba(15, 118, 110, 0.3);
    --hover-bg: rgba(15, 118, 110, 0.16);

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-7: 28px;
    --space-8: 32px;
    --space-9: 40px;
    --space-10: 48px;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.82rem;
    --font-size-md: 0.95rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.35rem;
    --line-tight: 1.2;
    --line-normal: 1.45;
    --line-relaxed: 1.6;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    --app-button-max-width: 180px;

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 26px;
    --radius-pill: 999px;

    --shadow-sm: 0 8px 22px rgba(43, 58, 46, 0.1);
    --shadow-md: 0 16px 38px rgba(43, 58, 46, 0.14);
    --shadow-lg: 0 22px 50px rgba(43, 58, 46, 0.12);
    --shadow-dialog: 0 28px 70px rgba(29, 49, 44, 0.22);

    --motion-fast: 160ms;
    --motion-base: 220ms;
    --ease-standard: cubic-bezier(0.2, 0, 0, 1);

    --role-instructor-surface: rgba(244, 251, 247, 0.8);
    --role-instructor-accent: rgba(15, 118, 110, 0.14);
    --role-student-surface: rgba(245, 250, 255, 0.82);
    --role-student-accent: rgba(43, 108, 176, 0.16);
    --role-hub-surface: rgba(255, 251, 244, 0.84);
    --role-hub-accent: rgba(202, 138, 4, 0.17);

    --bg: #f4efe6;
    --bg-accent: #dce8dd;
    --bg-glow-a: rgba(15, 118, 110, 0.12);
    --bg-glow-b: rgba(202, 138, 4, 0.14);
    --surface: rgba(255, 252, 247, 0.88);
    --surface-strong: #fffaf3;
    --ink: #1d312c;
    --muted: #5b6f68;
    --brand: #0f766e;
    --brand-deep: #0b4f4b;
    --banner-accent: #0f766e;
    --banner-glow: rgba(15, 118, 110, 0.18);
    --banner-bg-a: rgba(255, 250, 243, 0.98);
    --banner-bg-b: rgba(240, 253, 250, 0.9);
    --stroke: rgba(29, 49, 44, 0.12);
    --shadow: 0 22px 50px rgba(43, 58, 46, 0.12);
    --radius: 28px;
    --card-background: var(--surface-card);
    --text: var(--text-primary);
    --accent: var(--brand-primary);
    --color-muted: var(--text-muted);
    font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
}

:root[data-theme="basic"] {
    --bg: #f4efe6;
    --bg-accent: #dce8dd;
    --bg-glow-a: rgba(15, 118, 110, 0.12);
    --bg-glow-b: rgba(202, 138, 4, 0.14);
    --surface: rgba(255, 252, 247, 0.88);
    --surface-strong: #fffaf3;
    --ink: #1d312c;
    --muted: #5b6f68;
    --brand: #0f766e;
    --brand-deep: #0b4f4b;
    --banner-accent: #0f766e;
    --banner-glow: rgba(15, 118, 110, 0.18);
    --banner-bg-a: rgba(255, 250, 243, 0.98);
    --banner-bg-b: rgba(240, 253, 250, 0.9);
    --stroke: rgba(29, 49, 44, 0.12);
    --shadow: 0 22px 50px rgba(43, 58, 46, 0.12);
}

:root[data-theme="golf-lesson"] {
    --bg: #edf6e9;
    --bg-accent: #d8ead9;
    --bg-glow-a: rgba(57, 122, 47, 0.16);
    --bg-glow-b: rgba(214, 164, 74, 0.14);
    --surface: rgba(251, 255, 249, 0.9);
    --surface-strong: #f7fdf4;
    --ink: #17321d;
    --muted: #4e6a53;
    --brand: #2d7a3b;
    --brand-deep: #1f5a2a;
    --banner-accent: #2d7a3b;
    --banner-glow: rgba(45, 122, 59, 0.24);
    --banner-bg-a: rgba(248, 255, 245, 0.96);
    --banner-bg-b: rgba(231, 246, 229, 0.9);
    --stroke: rgba(23, 50, 29, 0.14);
    --shadow: 0 22px 50px rgba(36, 77, 40, 0.14);
}

:root[data-theme="fishing-guide"] {
    --bg: #e8f2f5;
    --bg-accent: #d2e5db;
    --bg-glow-a: rgba(21, 103, 122, 0.17);
    --bg-glow-b: rgba(84, 132, 99, 0.14);
    --surface: rgba(247, 253, 255, 0.9);
    --surface-strong: #f3fbfc;
    --ink: #17363c;
    --muted: #4f6b72;
    --brand: #15677a;
    --brand-deep: #0d4957;
    --banner-accent: #15677a;
    --banner-glow: rgba(21, 103, 122, 0.24);
    --banner-bg-a: rgba(242, 252, 255, 0.96);
    --banner-bg-b: rgba(221, 240, 245, 0.9);
    --stroke: rgba(23, 54, 60, 0.15);
    --shadow: 0 22px 50px rgba(23, 73, 87, 0.16);
}

:root[data-theme="piano-lesson"] {
    --bg: #f2eef6;
    --bg-accent: #ddd7e8;
    --bg-glow-a: rgba(58, 45, 88, 0.16);
    --bg-glow-b: rgba(171, 146, 106, 0.13);
    --surface: rgba(252, 250, 255, 0.9);
    --surface-strong: #f9f6ff;
    --ink: #251f36;
    --muted: #635a78;
    --brand: #4f3d78;
    --brand-deep: #362856;
    --banner-accent: #4f3d78;
    --banner-glow: rgba(79, 61, 120, 0.26);
    --banner-bg-a: rgba(251, 247, 255, 0.96);
    --banner-bg-b: rgba(236, 227, 248, 0.9);
    --stroke: rgba(37, 31, 54, 0.15);
    --shadow: 0 22px 50px rgba(39, 32, 58, 0.16);
}

:root,
:root[data-theme="basic"],
:root[data-theme="golf-lesson"],
:root[data-theme="fishing-guide"],
:root[data-theme="piano-lesson"] {
    --surface-page: var(--bg);
    --surface-page-accent: var(--bg-accent);
    --surface-card: var(--surface);
    --surface-card-strong: var(--surface-strong);
    --text-primary: var(--ink);
    --text-muted: var(--muted);
    --text-link: var(--brand);
    --brand-primary: var(--brand);
    --brand-strong: var(--brand-deep);
    --border-default: var(--stroke);
    --shadow-lg: var(--shadow);
    --card-background: var(--surface);
    --text: var(--ink);
    --accent: var(--brand);
    --color-muted: var(--muted);
}

* {
    box-sizing: border-box;
}

html {
    height: 100%;
    overscroll-behavior: none;
}

body {
    margin: 0;
    min-height: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    overflow-y: hidden;
    overscroll-behavior: none;
    touch-action: manipulation;
    background:
        radial-gradient(circle at top left, var(--bg-glow-a), transparent 30%),
        radial-gradient(circle at bottom right, var(--bg-glow-b), transparent 35%),
        linear-gradient(160deg, var(--bg), var(--bg-accent));
    color: var(--ink);
    line-height: var(--line-normal);
    letter-spacing: 0.01em;
}

html,
body {
    overflow-x: hidden;
    overscroll-behavior: none;
}

@supports (height: 100dvh) {
    html {
        height: 100dvh;
    }

    body {
        min-height: 100dvh;
        height: 100dvh;
    }
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    max-width: min(100%, var(--app-button-max-width));
}

a {
    color: var(--text-link);
}

:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
}

.app-shell {
    max-width: 1120px;
    width: 100%;
    min-width: 0;
    flex: 1 1 auto;
    min-height: 0;
    margin: 0 auto;
    padding:
        max(var(--space-4), env(safe-area-inset-top))
        max(var(--space-4), env(safe-area-inset-right))
        max(var(--space-4), env(safe-area-inset-bottom))
        max(var(--space-4), env(safe-area-inset-left));
    display: flex;
    flex-direction: column;
}

.view-root {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
    gap: var(--space-4);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: none;
}

body[data-app-surface="student"] .titlebar,
body[data-active-role="student"] .titlebar {
    background: linear-gradient(180deg, color-mix(in srgb, var(--role-student-surface) 86%, white), color-mix(in srgb, var(--surface-card) 88%, white));
}

body[data-app-surface="student"] .send-link-card,
body[data-active-role="student"] .send-link-card {
    border-color: color-mix(in srgb, var(--role-student-accent) 70%, var(--border-default));
}

body[data-app-surface="instructor"] .titlebar,
body[data-active-role="instructor"] .titlebar {
    background: linear-gradient(180deg, color-mix(in srgb, var(--role-instructor-surface) 86%, white), color-mix(in srgb, var(--surface-card) 88%, white));
}

body[data-app-surface="instructor"] .send-link-card,
body[data-active-role="instructor"] .send-link-card {
    border-color: color-mix(in srgb, var(--role-instructor-accent) 80%, var(--border-default));
}

.app-footer {
    margin-top: auto;
    padding: 24px 0 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--color-muted, #9ca3af);
    white-space: nowrap;
    overflow-x: auto;
}

.app-footer-copy {
    text-align: center;
    flex: 1 1 auto;
}

.app-footer-metric {
    white-space: nowrap;
    flex: 0 0 auto;
}

.app-footer-metric--left {
    text-align: left;
}

.app-footer-metric--right {
    text-align: right;
}

.titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 50;
    padding: var(--space-3) var(--space-4);
    border: 1px solid color-mix(in srgb, var(--brand-primary) 20%, var(--border-default));
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, color-mix(in srgb, white 97%, var(--surface-card-strong)), color-mix(in srgb, var(--surface-card-strong) 92%, var(--surface-card)));
    box-shadow: 0 18px 44px rgba(20, 30, 26, 0.18);
    backdrop-filter: blur(8px);
}

.titlebar-brand-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex: 1;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

.titlebar-logo {
    display: block;
    height: clamp(32px, 6vw, 48px);
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    border-radius: 10px;
}

.titlebar-logo-button {
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    border-radius: 10px;
}

.titlebar-logo-button:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 4px;
}

.titlebar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.titlebar-profile-menu {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.titlebar-avatar-stack {
    display: inline-flex;
    flex-direction: column;
    align-items: stretch;
    flex-shrink: 0;
    line-height: 0;
}

.titlebar-role-label {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border: 1px solid var(--stroke);
    border-radius: 999px;
    background: rgba(255, 250, 243, 0.9);
    color: var(--brand-deep);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1;
    white-space: nowrap;
}

.titlebar-role-label[hidden] {
    display: none;
}

.titlebar-logo--right {
    margin-left: auto;
}

.titlebar-avatar-button {
    width: clamp(36px, 6vw, 48px);
    height: clamp(36px, 6vw, 48px);
    border: 1px solid var(--stroke);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 252, 247, 0.96), rgba(241, 249, 246, 0.96));
    box-shadow: var(--shadow);
    padding: 2px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
    line-height: 0;
    isolation: isolate;
}

.titlebar-avatar-button:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 4px;
}

.titlebar-avatar-button__fallback {
    color: var(--brand-deep);
    font-weight: 700;
    font-size: 0.86rem;
    line-height: 1;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: calc(100% - 4px);
    height: calc(100% - 4px);
    border-radius: 999px;
    background: rgba(255, 250, 243, 0.9);
    position: absolute;
    inset: 2px;
}

.titlebar-avatar-button__fallback--initials {
    color: #ffffff;
    font-size: clamp(1rem, 2vw, 1.22rem);
    font-weight: 800;
    letter-spacing: 0.03em;
    background: linear-gradient(145deg, var(--brand), color-mix(in srgb, var(--brand-deep) 82%, #000));
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.26);
}

.titlebar-avatar-button__fallback svg {
    width: 58%;
    height: 58%;
}

.titlebar-avatar-button__image {
    width: calc(100% - 4px);
    height: calc(100% - 4px);
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: 999px;
    background: rgba(255, 250, 243, 0.9);
    position: absolute;
    inset: 2px;
}

.titlebar-profile-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 220px;
    display: grid;
    gap: 4px;
    padding: 8px;
    border: 1px solid color-mix(in srgb, var(--brand) 18%, var(--stroke));
    border-radius: 16px;
    background: rgba(255, 252, 247, 0.98);
    box-shadow: 0 24px 44px rgba(29, 49, 44, 0.18);
    animation: menu-in 170ms ease;
    z-index: 1000;
}

.titlebar-profile-dropdown[hidden] {
    display: none;
}

.titlebar-profile-dropdown__item {
    width: 100%;
    border: 0;
    border-radius: 12px;
    padding: 10px 12px;
    background: transparent;
    color: var(--ink);
    display: grid;
    grid-template-columns: 24px 1fr;
    align-items: center;
    gap: 10px;
    text-align: left;
    cursor: pointer;
    transition: background 140ms ease, color 140ms ease, transform 140ms ease;
}

.titlebar-profile-dropdown__item:hover {
    background: color-mix(in srgb, var(--brand) 10%, white);
    transform: translateY(-1px);
}

.titlebar-profile-dropdown__item:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

.titlebar-profile-dropdown__icon {
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    color: var(--brand-deep);
}

.titlebar-profile-dropdown__item--danger {
    color: #9f1239;
}

.titlebar-profile-dropdown__item--danger .titlebar-profile-dropdown__icon {
    color: inherit;
}

.avatar-upload-panel {
    max-width: 440px;
}

.titlebar-brand {
    margin: 0;
    font-size: clamp(1.45rem, 3.8vw, 2.35rem);
    letter-spacing: 0.18em;
    font-weight: 800;
    text-align: left;
    color: color-mix(in srgb, var(--text-primary) 88%, #0f1513);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
}

.titlebar-mark {
    display: none;
    height: clamp(32px, 6vw, 48px);
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    border-radius: 10px;
}

.titlebar-mark.titlebar-mark--wide {
    display: none;
}

.titlebar-mark.titlebar-mark--extra {
    display: none;
}

@media (min-width: 600px) {
    .titlebar-mark {
        display: block;
    }
}

@media (min-width: 900px) {
    .titlebar-mark--wide {
        display: block;
    }
}

@media (min-width: 1120px) {
    .titlebar-mark--extra {
        display: block;
    }
}

.title-icon-button {
    width: 48px;
    height: 48px;
    border: 1px solid var(--stroke);
    border-radius: 12px;
    background: rgba(255, 250, 243, 0.92);
    color: var(--ink);
    box-shadow: var(--shadow);
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 1.1rem;
}

.title-icon-button:hover {
    background: white;
}



.main-menu {
    display: grid;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--stroke);
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255, 255, 254, 0.98), rgba(248, 252, 249, 0.95));
    box-shadow: 0 24px 56px rgba(17, 28, 24, 0.17);
    animation: menu-in 170ms ease;
    z-index: 999;
    margin-top: 8px;
}

.main-menu[hidden] {
    display: none;
}

.main-menu-header {
    display: grid;
    gap: 4px;
}

.main-menu-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
}

.main-menu-subtitle {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.main-menu-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.main-menu-card {
    width: 100%;
    border: 1px solid color-mix(in srgb, var(--brand) 14%, var(--stroke));
    border-radius: 16px;
    padding: 12px;
    text-align: left;
    cursor: pointer;
    display: grid;
    gap: 10px;
    grid-template-columns: 34px 1fr;
    align-items: flex-start;
    transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease, background 150ms ease;
}

.main-menu-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--brand) 38%, var(--stroke));
    box-shadow: 0 14px 28px rgba(15, 118, 110, 0.16);
}

.main-menu-card:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

.main-menu-card-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--brand) 17%, white);
    color: var(--brand-deep);
    display: grid;
    place-items: center;
}

.main-menu-card-copy {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.main-menu-card-title {
    font-weight: 700;
    line-height: 1.2;
}

.main-menu-card-description {
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.3;
}

.main-menu-submenu {
    display: grid;
    gap: 4px;
    margin: 0;
    padding: 0 0 0 10px;
    border-left: 2px solid color-mix(in srgb, var(--brand) 24%, var(--stroke));
}

.main-menu-submenu[hidden] {
    display: none;
}

.current-lesson-banner {
    margin: 0 0 8px;
    padding: 12px 14px 12px 18px;
    border-radius: 14px;
    border: none;
    border-left: 7px solid rgba(255, 255, 255, 0.45);
    background:
        radial-gradient(circle at 88% 15%, rgba(255, 255, 255, 0.18), transparent 40%),
        linear-gradient(135deg, var(--banner-accent), color-mix(in srgb, var(--banner-accent) 72%, #000));
    box-shadow:
        0 6px 28px color-mix(in srgb, var(--banner-accent) 55%, transparent),
        0 2px 8px color-mix(in srgb, var(--banner-accent) 35%, transparent);
    color: #fff;
}

.current-lesson-banner-primary,
.current-lesson-banner-secondary {
    line-height: 1.35;
}

.current-lesson-banner-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.current-lesson-banner-heading {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1;
}

.current-lesson-banner-primary {
    font-weight: 700;
    letter-spacing: 0.01em;
}

.current-lesson-edit-button {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    display: grid;
    place-items: center;
    cursor: pointer;
}

.current-lesson-edit-button:hover {
    background: rgba(255, 255, 255, 0.32);
}

.current-lesson-edit-button i {
    font-size: 0.9rem;
}

.current-lesson-banner-secondary {
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.banner-call-icon {
    display: inline-flex;
    align-items: center;
    margin-left: 5px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.8rem;
    opacity: 0.75;
    text-decoration: none;
    vertical-align: middle;
}

.banner-call-icon:hover {
    opacity: 1;
    color: var(--accent, #4a90e2);
}

.lesson-workflow-nav {
    display: flex;
    gap: 16px;
    margin-bottom: 18px;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
}

.lesson-workflow-nav[hidden] {
    display: none;
}

.workflow-pill {
    padding: 10px 16px;
    border: 1px solid var(--stroke);
    border-radius: 999px;
    background: rgba(255, 250, 243, 0.92);
    color: var(--ink);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 160ms ease, background 160ms ease;
}

.workflow-pill:hover {
    transform: translateY(-1px);
    background: white;
}

.home-shell {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
    width: 100%;
}

.home-pill-nav {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 12px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: visible;
    overflow-y: visible;
}

.panel-top-nav {
    padding: 10px 0 0 0;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--stroke);
    padding-bottom: 10px;
}

.home-pill-nav.panel-top-nav {
    margin-left: calc(-1 * max(var(--space-4), env(safe-area-inset-left)));
    margin-right: calc(-1 * max(var(--space-4), env(safe-area-inset-right)));
    padding-left: max(var(--space-4), env(safe-area-inset-left));
    padding-right: max(var(--space-4), env(safe-area-inset-right));
    width: auto;
    max-width: none;
}

.home-pill-button {
    display: inline-flex;
    position: relative;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    flex: 1 1 0;
    max-width: none;
    min-width: 0;
    width: auto;
    padding: 11px 16px;
    background: rgba(255, 255, 255, 0.025);
    color: var(--text-muted);
    cursor: pointer;
    box-shadow: none;
    transition: background 100ms ease, transform 100ms ease, border-color 100ms ease, box-shadow 100ms ease, color 100ms ease;
    will-change: transform;
}

.home-pill-button span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (min-width: 901px) {
    .home-pill-nav {
        gap: 12px;
    }

    .home-pill-button {
        flex: 0 0 auto;
        min-width: 7rem;
    }
}

.home-pill-unread-badge {
    position: absolute;
    top: 6px;
    right: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 6px;
    border-radius: 999px;
    background: #ef4444;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1;
    pointer-events: none;
}

/* Keep the unread badge from colliding with "Messages" label at mid widths. */
.home-pill-button[data-nav-home-panel="messages"] {
    padding-right: 36px;
}

@media (max-width: 560px) and (min-width: 360px) {
    .home-pill-nav {
        gap: 4px;
    }

    .home-pill-button {
        flex-direction: column;
        gap: 3px;
        padding: 6px 3px;
        border-radius: 20px;
        font-size: 0.7rem;
        line-height: 1.1;
    }

    .home-pill-button span:not(.home-pill-unread-badge) {
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        text-align: center;
    }

    .home-pill-button[data-nav-home-panel="messages"] {
        padding-right: 4px;
    }
}

@media (max-width: 359px) {
    .home-pill-nav {
        gap: 4px;
    }

    .home-pill-button {
        padding: 10px 0;
        gap: 0;
    }

    .home-pill-button > span:not(.home-pill-unread-badge) {
        display: none;
    }

    .home-pill-unread-badge {
        display: inline-flex !important;
    }
}

.home-pill-button:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.16);
    color: var(--text-primary);
}

.home-pill-button:active {
    transform: scale(0.96);
    transition-duration: 100ms;
}

.home-pill-button.is-active {
    border-color: rgba(63, 168, 90, 0.8);
}

.home-pill-button.is-active:hover {
    background: var(--primary-strong);
    color: #fff;
    box-shadow: 0 10px 26px rgba(63, 168, 90, 0.36);
}

.home-panel[hidden] {
    display: none;
}

.home-panel {
    border-radius: 20px;
}

.home-panel:not([hidden]) {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
}

.directory-shell {
    width: 100%;
}

.directory-card {
    position: relative;
    gap: 10px;
    padding-bottom: 72px;
}

.directory-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.directory-search-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.directory-search-header .email-panel-label {
    margin: 0;
}

.directory-card--directory-footer {
    padding-bottom: 18px;
}

.directory-card-footer {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--border-subtle);
    justify-self: stretch;
}

.directory-card-footer .directory-hub-cta {
    margin-top: 0;
}

.directory-hub-cta {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    max-width: none;
    margin-top: 0;
    padding: 16px;
    min-height: 64px;
    box-sizing: border-box;
    border: 1px solid rgba(244, 197, 66, 0.22);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at top left, rgba(244, 197, 66, 0.16), transparent 42%),
        linear-gradient(135deg, rgba(63, 168, 90, 0.2), rgba(244, 197, 66, 0.08));
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    font: inherit;
    box-shadow: 0 12px 34px rgba(45, 122, 59, 0.18);
    transition:
        background 160ms ease,
        border-color 160ms ease,
        box-shadow 160ms ease,
        transform 140ms ease;
}

.directory-hub-cta:hover {
    border-color: rgba(244, 197, 66, 0.36);
    box-shadow: 0 16px 40px rgba(45, 122, 59, 0.24);
    transform: translateY(-1px);
}

.directory-hub-cta:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.directory-hub-cta__icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid rgba(244, 197, 66, 0.24);
    border-radius: 12px;
    background: rgba(15, 23, 32, 0.42);
    color: var(--accent);
    font-size: 1rem;
}

.directory-hub-cta__text {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-primary);
}

.directory-hub-cta__action {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    white-space: nowrap;
    font-size: 0.92rem;
    font-weight: 850;
    color: #ffffff;
    letter-spacing: 0.02em;
}

.directory-hub-cta__arrow {
    font-size: 1rem;
    color: var(--accent);
}

.directory-add-button {
    position: static;
    margin-left: auto;
    margin-top: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: auto;
    height: auto;
    min-width: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: var(--brand);
    z-index: auto;
    transition:
        transform 160ms ease,
        box-shadow 160ms ease,
        opacity 160ms ease;
}

.directory-add-button:hover {
    transform: none;
    box-shadow: none;
    opacity: 0.82;
}

.directory-add-button:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--brand) 42%, white);
    outline-offset: 2px;
}

.directory-add-button--compact {
    min-width: 0;
    height: auto;
    width: auto;
    padding: 0;
    gap: 6px;
    justify-content: center;
}

.directory-add-button--compact i {
    font-size: 1rem;
}

.directory-add-button--compact .calendar-add-lesson-label {
    font-size: 0.78rem;
}

.directory-list {
    display: grid;
    gap: 18px;
}

.relationship-roster-section {
    display: grid;
    gap: 10px;
}

.relationship-roster-section h3 {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.relationship-roster-list {
    display: grid;
    gap: 12px;
}

.contact-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 16px;
    border: 1px solid var(--stroke);
    border-radius: 14px;
}

.contact-row--compact {
    gap: 8px;
    padding: 6px 9px;
    min-height: 48px;
}

.contact-row--compact .contact-row-avatar {
    flex: 0 0 auto;
}

.contact-row--compact .contact-row-copy {
    gap: 1px;
}

.contact-row--compact .relationship-roster-last,
.contact-row--compact .contact-row-meta-line,
.contact-row--compact .contact-row-meta {
    line-height: 1.15;
}

.contact-row--compact .relationship-roster-focus {
    padding: 2px 6px;
    font-size: 0.62rem;
}

.contact-row-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px 10px;
    min-width: 0;
    flex: 1 1 auto;
}

.contact-row-main > .contact-row-name {
    grid-column: 1 / 2;
}

.contact-row-main > .contact-row-copy {
    grid-column: 1 / 2;
}

.contact-row-main > .contact-row-actions {
    grid-column: 2 / 3;
    grid-row: 1 / span 2;
}

.contact-row--student-select {
    cursor: pointer;
    text-align: left;
    transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.contact-row--student-select:hover {
    border-color: color-mix(in srgb, var(--brand) 35%, var(--stroke));
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}

.contact-row--student-select:active {
    transform: scale(0.99);
}

.contact-row--student-select:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

.contact-row-book-lesson-label {
    white-space: normal;
    text-align: left;
    line-height: 1.25;
}

.contact-row--student-select .contact-row-new-lesson {
    white-space: normal;
}

.contact-row-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
    position: relative;
    z-index: 0;
}

.contact-row-name {
    margin: 0;
    font-size: 1.04rem;
    font-weight: 800;
    color: var(--ink);
    display: block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.relationship-roster-last {
    color: var(--text-secondary);
    font-size: 0.86rem;
    font-weight: 650;
    line-height: 1.25;
}

.relationship-roster-focus {
    display: inline-flex;
    width: fit-content;
    max-width: 100%;
    padding: 4px 9px;
    border: 1px solid rgba(63, 168, 90, 0.24);
    border-radius: 999px;
    background: rgba(63, 168, 90, 0.14);
    color: var(--primary-strong);
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1;
}

.contact-row-meta {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.3;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.contact-row-meta-line {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    min-width: 0;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.contact-row-meta-text {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.contact-row-phone-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.contact-row-phone-icon:hover {
    text-decoration: none;
}

.contact-row-phone-icon:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

.contact-row-phone-icon i {
    font-size: 0.72rem;
}

.summary-phone-line {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.contact-row-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 3px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.contact-row-new-lesson {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.contact-row-icon-button {
    width: 30px;
    min-width: 30px;
    height: 30px;
    min-height: 30px;
    padding: 0;
    border: 0;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.055);
    color: var(--text-primary);
    box-shadow: none;
    transition: transform 120ms ease, border-color 120ms ease, background 120ms ease, color 120ms ease;
}

.contact-row-icon-button:hover {
    border-color: rgba(63, 168, 90, 0.38);
    background: color-mix(in srgb, var(--bg-elevated) 86%, var(--primary));
    color: #ffffff;
    transform: translateY(-1px);
}

.contact-row-icon-button:active {
    transform: scale(0.97);
}

.contact-row-icon-button i {
    font-size: 0.82rem;
}

.contact-row-reach-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-sizing: border-box;
}

.secondary-action.contact-row-reach-button {
    gap: 0;
    min-width: 34px;
    width: 34px;
    min-height: 34px;
    height: 34px;
    padding: 0;
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.055);
}

.contact-row-reach-icon {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 20px;
    height: 18px;
}

.contact-row-reach-icon .fa-comment {
    font-size: 0.84rem;
}

.contact-row-reach-icon .fa-plus {
    position: absolute;
    right: -4px;
    bottom: -3px;
    width: 12px;
    height: 12px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: var(--brand);
    color: #ffffff;
    font-size: 0.5rem;
    line-height: 1;
}

.contact-row-edit {
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.contact-edit-panel {
    width: min(100%, 1200px);
}

.contact-phone-field {
    display: grid;
    gap: 6px;
}

.contact-phone-link {
    justify-self: start;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--brand-primary);
    text-decoration: none;
}

.contact-phone-link:hover {
    text-decoration: underline;
}

.contact-reach-sheet-overlay {
    position: fixed;
    inset: 0;
    z-index: 1800;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 16px;
    background: rgba(15, 23, 42, 0.42);
    opacity: 0;
    transition: opacity 180ms ease;
}

.contact-reach-sheet-overlay[hidden] {
    display: none;
}

.contact-reach-sheet-overlay.is-open {
    opacity: 1;
}

.contact-reach-sheet {
    width: min(100%, 460px);
    padding: 10px 16px calc(16px + env(safe-area-inset-bottom));
    border: 1px solid var(--stroke);
    border-radius: 24px 24px 18px 18px;
    background: var(--surface);
    box-shadow: 0 -18px 46px rgba(15, 23, 42, 0.25);
    transform: translateY(110%);
    transition: transform 200ms ease;
}

.contact-reach-sheet-overlay.is-open .contact-reach-sheet {
    transform: translateY(0);
}

.contact-reach-sheet-handle {
    width: 44px;
    height: 4px;
    margin: 0 auto 14px;
    border-radius: 999px;
    background: var(--border-subtle);
}

.contact-reach-sheet-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
}

.contact-reach-sheet-header h3 {
    margin: 2px 0 0;
    color: var(--ink);
    font-size: 1.12rem;
}

.contact-reach-sheet-subtitle {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.contact-reach-sheet-actions {
    display: grid;
    gap: 8px;
}

.contact-reach-sheet-option {
    width: 100%;
    min-height: 48px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: var(--bg-elevated);
    color: var(--ink);
    font-weight: 750;
    text-align: left;
    text-decoration: none;
}

.contact-reach-sheet-option--hero {
    min-height: 58px;
    border-color: color-mix(in srgb, var(--brand) 54%, var(--stroke));
    background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 22%, var(--surface)), var(--bg-elevated));
    color: var(--primary-strong);
    font-size: 1rem;
}

.contact-reach-sheet-option:not(:disabled):hover {
    border-color: color-mix(in srgb, var(--brand) 44%, var(--stroke));
    text-decoration: none;
}

.contact-reach-sheet-option:disabled,
.contact-reach-sheet-option[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: 0.52;
}

.contact-reach-sheet-option-icon {
    width: 34px;
    height: 34px;
    display: inline-grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(63, 168, 90, 0.12);
    color: var(--primary-strong);
    flex: 0 0 auto;
}

.contact-reach-sheet-option-status {
    margin-left: auto;
    color: var(--muted);
    font-size: 0.74rem;
    font-weight: 650;
}

#contact-edit-overlay {
    position: static;
    inset: auto;
    display: block;
    align-items: stretch;
    justify-content: initial;
    padding: var(--space-4) 0 0;
    background: transparent;
    backdrop-filter: none;
    z-index: auto;
}

#contact-edit-overlay[hidden] {
    display: none;
}

#contact-edit-overlay.is-open {
    display: block;
}

#contact-edit-overlay .contact-edit-panel {
    width: 100%;
    max-width: none;
    box-shadow: 0 16px 36px rgba(17, 28, 24, 0.14);
}

.contact-danger-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 20px;
}

.contact-delete-button {
    width: auto;
    margin-right: auto;
}

.contact-danger-row .dialog-action-group {
    margin-left: auto;
}

.contact-portal-invite {
    border: 1px solid var(--stroke);
    border-radius: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.78);
    display: grid;
    gap: 8px;
}

.contact-portal-invite--inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: nowrap;
}

.contact-portal-invite-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.contact-portal-invite-header .recording-kicker {
    margin: 0;
}

.contact-portal-invite-status {
    margin: 0;
    color: var(--muted);
    font-size: 0.82rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-portal-invite-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.contact-portal-invite-send {
    white-space: nowrap;
}

.contact-portal-invite-revoke {
    padding: 6px 10px;
    font-size: 0.78rem;
}

.contact-edit-history {
    display: grid;
    gap: 8px;
}

.contact-edit-lessons {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
}

.contact-edit-lesson-item {
    display: grid;
    gap: 6px;
    align-items: start;
    justify-items: stretch;
    justify-self: stretch;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--stroke);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.88);
    color: var(--ink);
    text-align: left;
    cursor: pointer;
    transition: border-color 120ms ease, background 120ms ease;
}

.contact-edit-lesson-item:hover {
    border-color: rgba(15, 118, 110, 0.3);
    background: #fff;
}

.contact-edit-lesson-title {
    font-size: 0.85rem;
    font-weight: 600;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.contact-edit-lesson-date {
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--muted);
}

.contact-edit-lesson-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
}

.contact-edit-lesson-meta {
    font-size: 0.75rem;
    color: var(--muted);
    line-height: 1.3;
    word-break: break-word;
}

.loading-shell {
    flex: 1;
    min-height: clamp(280px, 50vh, 520px);
    display: grid;
    place-items: center;
    padding: 20px;
}

.loading-card {
    width: min(420px, 100%);
    display: grid;
    justify-items: center;
    gap: 10px;
    padding: 30px 24px;
    border: 1px solid var(--stroke);
    border-radius: calc(var(--radius) - 6px);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.theme-spinner {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 4px solid color-mix(in srgb, var(--brand) 25%, transparent);
    border-top-color: var(--brand-deep);
    animation: theme-spin 900ms linear infinite;
}

.loading-title {
    margin: 4px 0 0;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--ink);
}

.loading-message {
    margin: 0;
    text-align: center;
    color: var(--muted);
}

.dashboard {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: stretch;
}

@media (min-width: 768px) {
    .dashboard {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .dashboard {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.nav-card,
.stub-card {
    border: 1px solid var(--stroke);
    border-radius: 22px;
    background: color-mix(in srgb, white 90%, var(--surface-card));
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 48px rgba(17, 28, 24, 0.14);
}

.nav-card {
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    text-align: left;
    cursor: pointer;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.nav-card:hover {
    transform: translateY(-5px);
    border-color: rgba(15, 118, 110, 0.35);
    background: #fff;
    box-shadow: 0 28px 56px rgba(15, 118, 110, 0.16);
}

.nav-card strong {
    font-size: 1.5rem;
    line-height: 1.05;
    margin-bottom: 12px;
}

.nav-card span {
    color: var(--muted);
    max-width: 20ch;
}

.stub-card {
    padding: 28px;
    max-width: 720px;
}

.calendar-shell {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    width: 100%;
    min-width: 0;
    min-height: 0;
}

.calendar-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}

.calendar-book-new-row {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-shrink: 0;
    width: 100%;
}

.calendar-toolbar-status {
    margin: 0;
    flex: 1;
    min-width: min(260px, 100%);
    text-align: left;
}

.calendar-view-toggle {
    display: flex;
    gap: 0;
    border: 1px solid var(--stroke);
    border-radius: 8px;
    overflow: hidden;
    background: var(--surface-strong);
}

.calendar-view-pill {
    padding: 6px 13px;
    font-size: 0.82rem;
    font-weight: 500;
    border: 0;
    border-right: 1px solid var(--stroke);
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    transition: background 120ms;
}

.calendar-view-pill:last-child {
    border-right: 0;
}

.calendar-view-pill:hover {
    background: var(--hover-bg);
}

.calendar-view-pill.is-active {
    background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 82%, white), var(--brand));
    color: #fff;
}

.calendar-card {
    flex: 1;
    height: 100%;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
    padding: 12px;
    overflow: hidden;
}

.calendar-card-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
}

.calendar-card-wrap .calendar-card {
    min-width: 0;
    width: 100%;
}

.home-availability-card {
    padding: 12px;
    width: 100%;
}

.availability-editor--embedded {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
    min-height: 0;
}

.calendar-add-lesson-button {
    position: absolute;
    top: 18px;
    right: 18px;
    min-width: 45px;
    height: 45px;
    padding: 0 16px 0 14px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--brand), var(--brand-deep));
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 18px 30px color-mix(in srgb, var(--brand) 28%, transparent);
    cursor: pointer;
    z-index: 4;
    transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.calendar-add-lesson-button--book-row {
    position: static;
    margin: 0;
}

.calendar-add-lesson-button--header-icon {
    position: static;
    top: auto;
    right: auto;
    min-width: 36px;
    width: 36px;
    height: 36px;
    padding: 0;
    margin-left: 8px;
    border-radius: 999px;
    font-size: 1.2rem;
    line-height: 1;
    box-shadow: 0 10px 20px color-mix(in srgb, var(--brand) 22%, transparent);
    z-index: auto;
}

.calendar-add-lesson-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 22px 36px color-mix(in srgb, var(--brand) 34%, transparent);
}

.calendar-add-lesson-button:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--brand) 24%, white);
    outline-offset: 3px;
}

.calendar-add-lesson-button i {
    font-size: 0.95rem;
}

.calendar-add-lesson-label {
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

#appointment-calendar {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.calendar-error {
    margin: 0;
    padding: 16px;
    border: 1px solid rgba(180, 35, 24, 0.26);
    border-radius: 14px;
    background: #fff1ef;
    color: #b42318;
}

#appointment-calendar .fc-list {
    border-radius: 16px;
    overflow: hidden;
}

#appointment-calendar .fc-list-event:hover td {
    background: color-mix(in srgb, var(--bg-elevated) 88%, var(--primary));
    color: var(--text-primary);
}

#appointment-calendar .fc-list-event:hover .fc-list-event-time,
#appointment-calendar .fc-list-event:hover .fc-list-event-title,
#appointment-calendar .fc-list-event:hover .fc-list-event-title>a,
#appointment-calendar .fc-list-event:hover .calendar-event-content,
#appointment-calendar .fc-list-event:hover .calendar-entry-name,
#appointment-calendar .fc-list-event:hover .calendar-entry-title,
#appointment-calendar .fc-list-event:hover .calendar-entry-description {
    color: var(--text-primary);
}

#appointment-calendar .fc-daygrid-event:hover,
#appointment-calendar .fc-timegrid-event:hover,
#appointment-calendar .fc-daygrid-event:focus,
#appointment-calendar .fc-timegrid-event:focus {
    background: linear-gradient(180deg, var(--brand), var(--brand-deep));
    border-color: transparent;
    color: #fff;
}

#appointment-calendar .fc-daygrid-event:hover .fc-event-main,
#appointment-calendar .fc-daygrid-event:hover .fc-event-title,
#appointment-calendar .fc-daygrid-event:hover .fc-event-time,
#appointment-calendar .fc-daygrid-event:hover .calendar-event-content,
#appointment-calendar .fc-daygrid-event:hover .calendar-entry-name,
#appointment-calendar .fc-daygrid-event:hover .calendar-entry-title,
#appointment-calendar .fc-daygrid-event:hover .calendar-entry-description,
#appointment-calendar .fc-timegrid-event:hover .fc-event-main,
#appointment-calendar .fc-timegrid-event:hover .fc-event-title,
#appointment-calendar .fc-timegrid-event:hover .fc-event-time,
#appointment-calendar .fc-timegrid-event:hover .calendar-event-content,
#appointment-calendar .fc-timegrid-event:hover .calendar-entry-name,
#appointment-calendar .fc-timegrid-event:hover .calendar-entry-title,
#appointment-calendar .fc-timegrid-event:hover .calendar-entry-description {
    color: #fff;
}

#appointment-calendar .fc-list-event {
    position: relative;
}

#appointment-calendar .fc-list-table {
    width: 100%;
    table-layout: auto;
}

#appointment-calendar .fc-list-event-time {
    width: 122px;
    min-width: 122px;
    max-width: 122px;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    overflow-wrap: anywhere;
    line-height: 1.25;
    vertical-align: top;
    padding-right: 10px;
}

#appointment-calendar .fc-list-event-title {
    width: auto;
    min-width: 0;
    vertical-align: top;
    white-space: nowrap;
}

#appointment-calendar .fc-list-day th {
    position: static !important;
}

#appointment-calendar .fc-list-day-cushion {
    background: rgba(15, 118, 110, 0.1);
}

#appointment-calendar .fc-list-event-title {
    position: relative;
    padding-left: 10px;
    padding-right: 8px;
}

#appointment-calendar .fc-list-event-title>a {
    display: block;
    width: 100%;
    min-width: 0;
    line-height: 1.35;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#appointment-calendar .fc-list-event-graphic {
    display: none !important;
    width: 0 !important;
    min-width: 0 !important;
    max-width: 0 !important;
    padding: 0 !important;
    border: 0 !important;
}

.calendar-event-open-button {
    width: 30px;
    height: 30px;
    border: 1px solid var(--stroke);
    border-radius: 8px;
    background: rgba(255, 250, 243, 0.92);
    color: var(--ink);
    cursor: pointer;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    margin: 0;
}

.calendar-event-open-button:hover {
    background: white;
}

.calendar-event-wrapper {
    width: 100%;
    min-width: 0;
}

.calendar-entry {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    min-width: 0;
    width: 100%;
}

.calendar-entry-name {
    grid-row: 1;
    grid-column: 1;
    min-width: 0;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    align-self: start;
}

.calendar-entry-title {
    grid-row: 2;
    grid-column: 1;
    min-width: 0;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    align-self: start;
}

.calendar-entry-location {
    grid-row: 3;
    grid-column: 1;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.calendar-entry-description {
    grid-row: 4;
    grid-column: 1 / -1;
    color: var(--muted);
    font-size: 0.84rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.calendar-entry--no-location .calendar-entry-description {
    grid-row: 3;
}

.event-icons {
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.event-icons i {
    font-size: 0.8rem;
    color: var(--brand);
}

.calendar-event-content {
    display: block;
    width: 100%;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calendar-event-detail-line {
    word-break: break-word;
}

.calendar-event-phone-link {
    color: inherit;
}

.calendar-event-buttons {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 6px;
}

.calendar-sent-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
}

#appointment-calendar .fc-list-event-time .calendar-sent-indicator,
#appointment-calendar .fc-list-event-time .calendar-sent-indicator i {
    color: var(--brand) !important;
}

.calendar-sent-indicator i {
    font-size: 0.85rem;
    opacity: 0.9;
}

#appointment-calendar .fc-view-harness,
#appointment-calendar .fc-scroller-harness,
#appointment-calendar .fc-scroller {
    min-height: 0;
}

#appointment-calendar .fc-toolbar-title {
    font-size: clamp(1.1rem, 3.2vw, 1.5rem);
    line-height: 1.2;
    white-space: normal;
    overflow-wrap: anywhere;
    text-wrap: balance;
    text-align: center;
}

@media (max-width: 420px) {
    #appointment-calendar .fc-header-toolbar {
        gap: 10px;
    }

    #appointment-calendar .fc-header-toolbar .fc-toolbar-chunk {
        min-width: 0;
    }

    #appointment-calendar .fc-header-toolbar .fc-toolbar-chunk:nth-child(2) {
        flex: 1 1 auto;
    }

    #appointment-calendar .fc-toolbar-title {
        font-size: clamp(0.98rem, 4.4vw, 1.15rem);
        line-height: 1.15;
        text-align: center;
    }

    #appointment-calendar .fc .fc-button {
        padding: 0.32em 0.46em;
        font-size: 0.78rem;
    }

    #appointment-calendar .fc-list-event {
        padding: 0;
    }

    #appointment-calendar .fc-list-day-cushion {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        flex-wrap: wrap;
    }

    #appointment-calendar .fc-list-event-time {
        width: 100px;
        min-width: 100px;
        max-width: 100px;
        white-space: normal;
        padding: 10px 6px 10px 8px;
        font-size: 0.8rem;
        line-height: 1.3;
    }

    #appointment-calendar .fc-list-event-title {
        display: table-cell;
        width: auto;
        padding-left: 8px;
        padding-right: 0;
        padding-top: 10px;
        padding-bottom: 10px;
        font-size: 0.9rem;
    }

    .calendar-entry {
        gap: 3px;
    }

    .calendar-entry-description {
        font-size: 0.78rem;
    }

    #appointment-calendar .fc-list-event-title>a,
    .calendar-event-content {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        line-height: 1.3;
    }

    .calendar-sent-indicator {
        display: block;
        margin-top: 2px;
        margin-left: 0;
    }
}

@media (max-width: 360px) {
    #appointment-calendar .fc-toolbar-title {
        font-size: clamp(0.88rem, 4.2vw, 1rem);
    }

    #appointment-calendar .fc-header-toolbar {
        gap: 8px;
    }

    #appointment-calendar .fc-list-event-time {
        width: 92px;
        min-width: 92px;
        max-width: 92px;
        white-space: normal;
        padding-right: 4px;
        padding-left: 8px;
        font-size: 0.75rem;
    }

    #appointment-calendar .fc-list-event-title {
        width: auto;
    }
}

#appointment-calendar .fc-button-primary {
    background-color: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

#appointment-calendar .fc .fc-button {
    padding: 0.35em 0.58em;
    font-size: 0.82rem;
}

#appointment-calendar .fc-button-primary:hover {
    background-color: var(--brand-deep);
    border-color: var(--brand-deep);
}

#appointment-calendar .fc-button-primary:focus {
    background-color: var(--brand-deep);
    border-color: var(--brand-deep);
}

#appointment-calendar .fc-button-primary.fc-button-active {
    background-color: var(--brand-deep);
    border-color: var(--brand-deep);
}

.recording-shell {
    right: 18px;
    height: 14px;
    border-radius: 999px;
    background: #d92d20;
    box-shadow: 0 0 0 7px rgba(217, 45, 32, 0.12);
}

.recording-timer {
    margin: 0;
    font-size: clamp(2.6rem, 8vw, 5.5rem);
    line-height: 0.92;
    letter-spacing: -0.06em;
}

.recording-primary-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.record-button,
.pause-record-button,
.stop-record-button,
.transport-icon-button {
    border: 1px solid var(--stroke);
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, opacity 160ms ease;
}

.record-button:hover,
.pause-record-button:hover,
.stop-record-button:hover,
.transport-icon-button:hover {
    transform: translateY(-1px);
}

.record-button:disabled,
.pause-record-button:disabled,
.stop-record-button:disabled,
.transport-icon-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.record-button {
    min-width: 90px;
    min-height: 90px;
    padding: 16px;
    border-color: #b42318;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, #ff695e, #d92d20 68%);
    color: white;
    font-size: 1rem;
    box-shadow: 0 14px 28px rgba(217, 45, 32, 0.22);
}

.pause-record-button {
    min-width: 90px;
    min-height: 90px;
    padding: 16px;
    border-color: rgba(29, 49, 44, 0.12);
    border-radius: 24px;
    background: rgba(255, 250, 243, 0.92);
    color: var(--ink);
    font-size: 1rem;
    box-shadow: var(--shadow);
}

.stop-record-button {
    min-width: 90px;
    min-height: 90px;
    padding: 16px;
    border-color: rgba(180, 35, 24, 0.28);
    border-radius: 24px;
    background: linear-gradient(180deg, #fff4f2, #ffe2dd);
    color: #b42318;
    font-size: 1rem;
    box-shadow: 0 14px 28px rgba(180, 35, 24, 0.12);
}

.playhead-panel {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 16px 18px;
    border: 1px solid var(--stroke);
    border-radius: 24px;
    background: rgba(255, 250, 243, 0.92);
}

.recording-secondary-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.transport-icon-button {
    width: 90px;
    height: 90px;
    display: grid;
    place-items: center;
    padding: 16px;
    background: white;
    color: var(--ink);
    font-size: 1.8rem;
    box-shadow: var(--shadow);
}

.pause-record-button i,
.stop-record-button i,
.transport-icon-button i {
    font-size: 1.8rem;
    line-height: 1;
}

.playhead-slider-row {
    min-width: 0;
    flex: 1;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
}

.playhead-slider {
    width: 100%;
    accent-color: var(--brand);
}

.playhead-time {
    min-width: 44px;
    font-variant-numeric: tabular-nums;
    color: var(--muted);
    font-size: 0.92rem;
}

.save-recording-button {
    flex-shrink: 0;
    white-space: nowrap;
}

.recording-transcript-button {
    margin: 0;
}

.recording-card audio {
    width: 100%;
}

.summary-shell {
    width: 100%;
}

.lesson-workspace-panel {
    display: grid;
    gap: 18px;
}

.summary-card,
.summary-dialog {
    display: grid;
    gap: 20px;
    padding: 28px;
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.summary-card {
    gap: 14px;
    padding: 18px;
}

.summary-card .panel-copy {
    gap: 6px;
}

.summary-file-name {
    margin: 0;
    font-weight: 600;
    color: var(--ink);
}

.summary-progress-wrap {
    display: grid;
    gap: 8px;
}

.summary-progress-wrap[hidden] {
    display: none;
}

.summary-progress-meta {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.86rem;
    color: var(--muted);
}

.summary-progress {
    width: 100%;
    height: 10px;
}

.summary-system-options {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: rgba(255, 250, 243, 0.88);
}

.summary-system-option {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-size: 0.95rem;
}

.summary-system-meta {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: rgba(255, 250, 243, 0.88);
}

.settings-divider {
    width: 100%;
    margin: 0.75rem 0;
    border: 0;
    border-top: 2px solid color-mix(in srgb, var(--brand) 24%, var(--stroke));
    opacity: 0.9;
}

.summary-triggered-from {
    margin: 0;
    color: var(--ink);
    font-size: 0.95rem;
}

.summary-prompt-details summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--ink);
}

.summary-prompt-text {
    margin: 10px 0 0;
    padding: 12px;
    border: 1px solid var(--stroke);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--ink);
    white-space: pre-wrap;
    max-height: 240px;
    overflow: auto;
}

.summary-doc-indicator {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    padding: 18px 20px;
    border: 1.5px solid color-mix(in srgb, var(--brand-primary) 28%, var(--border-default));
    border-radius: 14px;
    background: color-mix(in srgb, var(--surface-card-strong) 94%, white);
    text-align: left;
}

.summary-doc-indicator[hidden] {
    display: none;
}

.summary-doc-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.summary-doc-actions .primary-action,
.summary-doc-actions .secondary-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.summary-doc-actions .primary-action:disabled,
.summary-doc-actions .secondary-action:disabled {
    cursor: not-allowed;
    opacity: 1;
}

.summary-doc-actions .primary-action:disabled {
    background: color-mix(in srgb, var(--bg-elevated, var(--surface-card-strong)) 78%, var(--primary));
    border-color: color-mix(in srgb, var(--primary) 28%, var(--border-default));
    color: var(--text-secondary);
    box-shadow: none;
}

.summary-doc-actions .secondary-action:disabled {
    background: transparent;
    border-color: transparent;
    color: var(--text-secondary);
}

.summary-action-icon {
    width: 0.9rem;
    height: 0.9rem;
    flex-shrink: 0;
}

@media (max-width: 700px) {
    .summary-doc-indicator {
        flex-direction: column;
        align-items: stretch;
    }

    .summary-doc-actions {
        width: 100%;
    }

    .summary-doc-actions .primary-action,
    .summary-doc-actions .secondary-action {
        flex: 1;
    }
}

.summary-panel {
    width: 100%;
    margin-top: 16px;
}

.summary-panel[hidden] {
    display: none;
}

.summary-panel-inner {
    position: relative;
    width: 100%;
    max-width: none;
    border: 1px solid var(--stroke);
    background: var(--surface-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px;
    min-height: clamp(320px, 70vh, 980px);
}

.summary-panel-close,
.email-panel-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--surface-card-strong) 86%, white);
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard), transform var(--motion-fast) var(--ease-standard);
}

.summary-panel-close:hover,
.email-panel-close:hover {
    background: #fff;
    color: var(--text-primary);
    border-color: color-mix(in srgb, var(--brand-primary) 30%, var(--border-default));
    transform: translateY(-1px);
}

.summary-panel-body {
    line-height: 1.7;
    color: var(--ink);
}

.summary-markdown-wrap {
    min-width: 0;
}

.summary-audio-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 0 0 0.5rem;
}

.summary-audio-toolbar .summary-audio-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4em;
}

.summary-audio-toolbar .summary-audio-btn .fa-solid {
    font-size: 0.9em;
}

.summary-audio-toolbar + h1,
.summary-audio-toolbar + h2,
.summary-audio-toolbar + h3 {
    margin-top: 0.45em;
}

.summary-markdown-wrap .summary-narration-active-block {
    transition: background-color 0.2s ease;
    background: rgba(251, 191, 36, 0.26);
    border-radius: 4px;
    box-shadow: 0 0 0 1px rgba(251, 191, 36, 0.22);
}

.summary-panel-actions {
    margin-top: 16px;
    display: flex;
    justify-content: flex-end;
}

.summary-send-custom-wrap {
    display: grid;
    gap: 8px;
}

.summary-panel-body h1,
.summary-panel-body h2,
.summary-panel-body h3,
.summary-panel-body h4 {
    margin: 1.4em 0 0.5em;
    font-weight: 700;
    line-height: 1.25;
}

.summary-panel-body h1 {
    font-size: 1.5rem;
}

.summary-panel-body h2 {
    font-size: 1.25rem;
}

.summary-panel-body h3 {
    font-size: 1.05rem;
}

.summary-panel-body p {
    margin: 0.6em 0;
}

.summary-panel-body ul,
.summary-panel-body ol {
    margin: 0.6em 0;
    padding-left: 1.5em;
}

.summary-panel-body li {
    margin: 0.25em 0;
}

.summary-panel-body strong {
    font-weight: 700;
}

.summary-panel-body em {
    font-style: italic;
}

.summary-panel-body s {
    text-decoration: line-through;
    color: var(--muted);
}

.summary-panel-body code {
    font-family: ui-monospace, monospace;
    font-size: 0.88em;
    background: rgba(15, 118, 110, 0.08);
    border-radius: 4px;
    padding: 0.1em 0.35em;
}

.summary-panel-body pre {
    background: rgba(15, 118, 110, 0.06);
    border-radius: 10px;
    padding: 16px 18px;
    overflow-x: auto;
    margin: 1em 0;
}

.summary-panel-body pre code {
    background: none;
    padding: 0;
    font-size: 0.9em;
}

.summary-panel-body hr {
    border: none;
    border-top: 1px solid var(--stroke);
    margin: 1.5em 0;
}

.summary-info-box {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--stroke);
    border-radius: 8px;
    overflow: hidden;
    margin: 0 0 1.4em;
    font-size: 0.92rem;
}

.summary-info-box tbody tr {
    border-bottom: 1px solid var(--stroke);
}

.summary-info-box tbody tr:last-child {
    border-bottom: none;
}

.summary-info-label {
    padding: 7px 12px;
    color: var(--muted);
    font-weight: 600;
    white-space: nowrap;
    width: 1%;
    background: rgba(15, 118, 110, 0.04);
}

.summary-info-value {
    padding: 7px 12px;
    color: var(--ink);
}

.summary-info-value a {
    color: var(--accent);
    text-decoration: none;
}

.summary-info-value a:hover {
    text-decoration: underline;
}

.summary-info-divider {
    border: none;
    border-top: 1px solid var(--stroke);
    margin: 1.5em 0 1.2em;
}

.settings-menu-grid {
    display: grid;
    gap: 14px;
}

.settings-menu-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    width: 100%;
    padding: 18px 20px;
    border: 1px solid var(--stroke);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--ink);
    text-align: left;
    cursor: pointer;
    transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.settings-menu-card:hover {
    transform: translateY(-1px);
    border-color: rgba(15, 118, 110, 0.28);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.settings-menu-title {
    font-size: 1rem;
    font-weight: 700;
}

.settings-menu-description {
    color: var(--muted);
    line-height: 1.55;
}

.settings-subscreen-actions {
    margin-bottom: 16px;
}

.upload-media-card {
    gap: 14px;
}

.add-media-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 200px;
    display: grid;
    gap: 2px;
    padding: 6px;
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: rgba(255, 250, 243, 0.98);
    box-shadow: var(--shadow);
    z-index: 50;
    animation: menu-in 140ms ease;
}

.add-media-menu[hidden] {
    display: none;
}

.add-media-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 12px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--ink);
    font-size: 0.82rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: background 100ms;
}

.add-media-menu-item:hover {
    background: rgba(15, 118, 110, 0.1);
}

.add-media-menu-item i {
    width: 16px;
    text-align: center;
    color: var(--brand);
    flex-shrink: 0;
}

.upload-media-list {
    display: grid;
    gap: 10px;
}

.upload-transcription-progress-wrap {
    margin-top: 10px;
    padding: 10px 12px;
    border: 1px solid var(--stroke);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.86);
}

.upload-transcription-progress-wrap[hidden] {
    display: none;
}

.upload-media-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) max-content 100px;
    align-items: center;
    gap: 12px;
    padding: 0 14px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.upload-media-header-main {
    justify-self: start;
}

.upload-media-header-include {
    justify-self: center;
    white-space: nowrap;
}

.upload-media-header-actions {
    display: block;
    width: 100px;
}

.upload-media-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 8px;
    padding: 12px 14px;
    border: 1px solid color-mix(in srgb, var(--brand-primary) 14%, var(--border-default));
    border-radius: 14px;
    background: color-mix(in srgb, var(--surface-card-strong) 94%, white);
}

.upload-media-include-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 36px;
    flex: 1 1 auto;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.upload-media-include-toggle input {
    width: 18px;
    height: 18px;
    accent-color: var(--brand);
    cursor: pointer;
}

.upload-media-controls {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    margin-top: 4px;
}

.upload-media-include-toggle {
    margin-right: auto;
}

.upload-media-actions {
    display: flex;
    gap: 12px;
    justify-content: end;
    flex-shrink: 0;
}

.upload-media-name {
    margin: 0;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-word;
}

.upload-media-meta {
    margin: 2px 0 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.upload-media-delete {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    min-width: 28px;
    min-height: 28px;
    padding: 0;
    display: grid;
    place-items: center;
    border: none;
    background: transparent;
    box-shadow: none;
    color: var(--color-danger-600);
}

.upload-media-delete-icon {
    width: 18px;
    height: 18px;
}

.upload-media-transcript {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    min-width: 28px;
    min-height: 28px;
    padding: 0;
    display: grid;
    place-items: center;
    border: none;
    background: transparent;
    box-shadow: none;
    color: var(--brand);
}

.upload-media-actions .upload-media-transcript.secondary-action,
.upload-media-actions .upload-media-delete.danger-action {
    border: none;
    background: transparent;
    box-shadow: none;
    padding: 0;
}

.upload-media-actions .upload-media-transcript.secondary-action:hover,
.upload-media-actions .upload-media-delete.danger-action:hover {
    transform: none;
    box-shadow: none;
    background: transparent;
}

.upload-media-actions .upload-media-transcript.secondary-action:disabled {
    background: transparent;
    border: none;
    color: var(--text-secondary);
}

.upload-media-transcript svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 720px) {
    .upload-media-header {
        grid-template-columns: minmax(0, 1fr) max-content 100px;
        padding: 0 4px;
    }

    .upload-media-header-include {
        justify-self: center;
    }

    .upload-media-actions {
        justify-content: flex-end;
    }
}

.upload-recorder-panel {
    width: min(100%, 560px);
}

#upload-audio-recorder-elapsed {
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    color: var(--ink);
}

#upload-audio-recorder-preview {
    width: 100%;
}

.send-link-shell {
    position: relative;
    width: 100%;
}

.home-panel[data-home-panel-content="messages"] .send-link-shell {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
}

.home-panel[data-home-panel-content="messages"] .send-link-card {
    flex: 1 1 auto;
    min-height: 0;
    padding: 8px;
    gap: 8px;
}

.send-link-card {
    display: grid;
    gap: var(--space-3);
    padding: var(--space-4);
    border: 1px solid color-mix(in srgb, var(--brand-primary) 16%, var(--border-default));
    border-radius: 24px;
    background: color-mix(in srgb, var(--surface-card-strong) 94%, white);
    box-shadow: 0 28px 64px rgba(17, 28, 24, 0.17);
    backdrop-filter: blur(6px);
}

.today-lessons-list {
    display: grid;
    gap: 8px;
}

.today-weather-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 10px 12px;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: transparent;
    box-shadow: none;
    overflow: hidden;
}

.today-weather-banner__header {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 8px;
    min-width: 0;
    color: var(--text-secondary);
}

.today-weather-banner__header strong {
    color: var(--text-primary);
    font-size: 0.76rem;
    font-weight: 700;
    flex-shrink: 0;
}

.today-weather-banner__header .today-weather-banner__location {
    color: var(--text-muted);
    font-size: 0.7rem;
}

.today-weather-banner__location {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    max-width: 100%;
    justify-content: flex-end;
}

.today-weather-banner__location-text {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 12ch;
}

.today-weather-banner__edit {
    width: 22px;
    height: 22px;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.today-weather-banner__edit:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.18);
}

.today-weather-banner__edit i {
    font-size: 0.64rem;
}

.today-weather-banner__grid {
    display: flex;
    align-items: center;
    gap: 18px;
    min-width: 0;
    width: auto;
    padding: 0;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    cursor: grab;
}

.today-weather-banner__grid::-webkit-scrollbar {
    display: none;
}

.today-weather-banner__grid.is-dragging {
    cursor: grabbing;
}

.today-weather-day {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 5px;
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1;
    white-space: nowrap;
}

.today-weather-day__name,
.today-weather-day__temp,
.today-weather-day__icon {
    margin: 0;
}

.today-weather-day.is-today {
    color: var(--text-primary);
    font-weight: 700;
}

.today-weather-day__icon {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1;
}

.today-weather-day__name {
    color: inherit;
    font-weight: 600;
}

.today-weather-day__temp {
    color: var(--text-primary);
    font-weight: 700;
}

.today-weather-banner__empty {
    margin: 0;
    font-size: 0.7rem;
    line-height: 1.2;
}

.today-dashboard-card {
    display: grid;
    gap: 18px;
}

.today-lessons-list {
    display: grid;
    gap: 18px;
}

.today-hero-card {
    display: grid;
    gap: 14px;
    padding: clamp(18px, 4.5vw, 26px);
    border: 1px solid rgba(63, 168, 90, 0.3);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at top right, rgba(63, 168, 90, 0.26), transparent 38%),
        linear-gradient(145deg, color-mix(in srgb, var(--bg-elevated) 88%, var(--primary)), var(--bg-card));
    box-shadow: var(--shadow-soft);
}

.today-hero-card__copy {
    display: grid;
    gap: 6px;
    max-width: 48ch;
    min-width: 0;
}

.today-hero-card__eyebrow {
    margin: 0;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.today-hero-card h2 {
    margin: 0;
    min-width: 0;
    max-width: 100%;
    color: var(--text-primary);
    font-size: clamp(1.55rem, 6.2vw, 2.35rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    white-space: normal;
    overflow-wrap: normal;
}

.today-hero-card h2.today-hero-card__statement {
    opacity: 1;
    text-wrap: balance;
    transition: opacity 260ms ease-out;
}

.today-hero-card h2.today-hero-card__statement[data-hero-fade='in'] {
    opacity: 0;
}

.today-hero-card p {
    margin: 0;
    color: var(--text-secondary);
    max-width: 54ch;
}

.today-hero-card__lesson-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    overflow-wrap: normal;
}

.today-hero-card__lesson-meta-text {
    min-width: 0;
}

.today-hero-card__actions {
    display: grid;
    gap: 8px;
    align-self: center;
    justify-self: stretch;
    max-width: 360px;
    width: 100%;
}

.today-hero-card__cta {
    width: 100%;
    min-height: 52px;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: transform 140ms ease, box-shadow 140ms ease, filter 140ms ease;
}

.today-hero-card__cta {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 14px 34px rgba(45, 122, 59, 0.38);
}

.today-hero-card__cta:hover {
    transform: translateY(-1px);
    filter: brightness(1.04);
}

.today-hero-card__cta:active {
    transform: translateY(1px) scale(0.97);
    box-shadow: 0 8px 20px rgba(45, 122, 59, 0.26);
}

.today-dashboard-section {
    display: grid;
    gap: 12px;
}

.today-dashboard-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.today-dashboard-section__header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 800;
}

.today-lesson-stack,
.today-recent-lessons__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    width: 100%;
}

.today-recent-lesson-card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 10px;
    row-gap: 4px;
    width: 100%;
    max-width: none;
    padding: 13px 12px 13px 20px;
    text-align: left;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.today-recent-lesson-card:hover {
    transform: translateY(-1px);
    border-color: rgba(63, 168, 90, 0.42);
}

.today-recent-lesson-card:active {
    transform: scale(0.99);
}

.today-recent-lesson-card__body {
    grid-column: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    min-width: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.today-recent-lesson-card__body:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

.today-recent-lesson-card__side {
    grid-column: 2;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    align-self: center;
}

.today-recent-lesson-card__open {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--primary-strong);
    cursor: pointer;
    flex: 0 0 auto;
    transition: transform var(--motion-fast) var(--ease-standard);
}

.today-recent-lesson-card__reach {
    flex: 0 0 auto;
}

.today-recent-lesson-card__open:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

.today-recent-lesson-card__title {
    color: var(--text-primary);
    font-size: 1.02rem;
    font-weight: 800;
    line-height: 1.2;
}

.today-recent-lesson-card__meta {
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.today-recent-lesson-card__action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--primary-strong);
    font-size: 0.82rem;
    font-weight: 800;
}

.today-recent-lesson-card__action--icon {
    width: 34px;
    height: 34px;
    border: 1px solid #dc2626;
    border-radius: 999px;
    background: #dc2626;
    color: #fff;
    box-sizing: border-box;
    transition: transform var(--motion-fast) var(--ease-standard), background var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard);
}

.today-recent-lesson-card__open:hover .today-recent-lesson-card__action--icon,
.today-recent-lesson-card__open:focus-visible .today-recent-lesson-card__action--icon {
    transform: translateY(-1px);
}

.today-recent-lesson-card .lesson-insight-tags {
    margin-top: 2px;
}

.today-recent-lessons__view-all {
    justify-self: stretch;
    margin-top: 2px;
    min-height: 44px;
    max-width: none;
    color: var(--primary-strong);
    border-color: rgba(63, 168, 90, 0.28);
    background: rgba(63, 168, 90, 0.08);
    font-weight: 800;
}

.today-dashboard-empty {
    margin: 0;
    color: var(--text-secondary);
}

.today-dashboard-card .today-weather-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid var(--border-subtle);
    box-shadow: none;
}

.today-dashboard-card .today-weather-banner__header {
    display: grid;
    gap: 2px;
    min-width: 112px;
}

.today-dashboard-card .today-weather-banner__header strong {
    font-size: 0.74rem;
}

.today-dashboard-card .today-weather-banner__header .today-weather-banner__location {
    justify-content: flex-start;
    font-size: 0.68rem;
}

.today-dashboard-card .today-weather-day__temp {
    font-size: 0.82rem;
}

.today-dashboard-card .today-weather-banner__empty {
    color: var(--text-secondary);
    font-size: 0.78rem;
}

@media (min-width: 720px) {
    .today-hero-card {
        grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
        align-items: end;
    }

    .today-hero-card__copy {
        max-width: none;
        min-width: 0;
    }

    .today-hero-card p.today-hero-card__lesson-meta {
        max-width: none;
        flex-wrap: nowrap;
    }

    .today-hero-card__lesson-meta-text {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .today-recent-lessons__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 719px) {
    .today-hero-card p.today-hero-card__lesson-meta {
        white-space: normal;
    }
}

@media (max-width: 560px) {
    .today-dashboard-card .today-weather-banner {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .today-weather-banner__grid {
        width: 100%;
        gap: 16px;
    }
}

@media (min-width: 480px) {
    .today-weather-banner {
        padding: 10px 12px;
        gap: 10px;
    }

    .today-weather-banner__header strong {
        font-size: 0.9rem;
    }

    .today-weather-banner__header .today-weather-banner__location {
        font-size: 0.8rem;
    }

    .today-weather-banner__grid {
        gap: 8px;
    }

    .today-weather-day {
        border-radius: 10px;
    }
}

@media (min-width: 640px) {
    .today-weather-banner__location-text {
        max-width: 36ch;
    }
}

.today-start-lesson-btn {
    justify-self: start;
}

.today-empty-actions {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.today-lesson-row {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    row-gap: 8px;
    column-gap: 10px;
    align-items: center;
    width: 100%;
    text-align: left;
    border: 1px solid color-mix(in srgb, var(--brand-primary) 14%, var(--stroke));
    border-radius: var(--radius-md);
    padding: 14px 14px 14px 20px;
    transition: background 140ms ease, border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.today-lesson-row:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(20, 30, 26, 0.12);
}

.today-lesson-row:active {
    transform: scale(0.99);
}

.today-lesson-row__time {
    grid-row: 1;
    grid-column: 1;
    font-weight: 700;
    color: var(--brand-deep);
    white-space: nowrap;
    align-self: center;
}

.today-lesson-row__main {
    grid-row: 2;
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    padding-top: 2px;
    border-top: 1px solid color-mix(in srgb, var(--stroke) 60%, transparent);
    margin: 0;
}

.today-lesson-row__title {
    min-width: 0;
    font-size: 1.03rem;
    font-weight: 800;
    line-height: 1.3;
    word-wrap: break-word;
    overflow-wrap: anywhere;
}

.today-lesson-row__meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.35;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: anywhere;
}

.today-lesson-row__actions {
    grid-row: 1;
    grid-column: 3;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-shrink: 0;
}

.today-lesson-row__goto {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 64px;
    height: 34px;
    padding: 0 10px;
    border: 1px solid var(--stroke);
    border-radius: 999px;
    background: var(--surface-strong);
    color: var(--brand-deep);
    font-size: 0.78rem;
    font-weight: 800;
    cursor: pointer;
    transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.today-lesson-row__goto:hover {
    background: var(--surface);
    border-color: var(--brand);
    color: var(--brand);
}

.today-lesson-row__goto i {
    font-size: 0.98rem;
}

.today-lesson-row__goto--icon {
    min-width: 34px;
    width: 34px;
    padding: 0;
    border-color: #dc2626;
    background: #dc2626;
    color: #fff;
}

.today-lesson-row__goto--icon:hover {
    background: #b91c1c;
    border-color: #b91c1c;
    color: #fff;
}

.today-lesson-row__message {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    min-width: 42px;
    height: 38px;
    padding: 0;
    border: 1px solid var(--stroke);
    border-radius: 12px;
    background: var(--surface-strong);
    color: var(--brand-deep);
    cursor: pointer;
    transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.today-lesson-row__message:hover {
    background: var(--surface);
    border-color: var(--brand);
    color: var(--brand);
}

.today-lesson-row__message i {
    font-size: 1.05rem;
}

.today-lesson-row__delete {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    min-width: 42px;
    height: 38px;
    padding: 0;
    border: 1px solid color-mix(in srgb, #dc2626 40%, var(--stroke));
    border-radius: 12px;
    background: color-mix(in srgb, #ffffff 84%, #fee2e2);
    color: #b91c1c;
    cursor: pointer;
    transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.today-lesson-row__delete:hover {
    background: #fee2e2;
    border-color: #dc2626;
    color: #991b1b;
}

.today-lesson-row__delete i {
    font-size: 0.95rem;
}

.student-lessons-list {
    display: grid;
    gap: 8px;
}

.student-lesson-row {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    width: 100%;
    text-align: left;
    border: 1px solid var(--stroke);
    border-radius: var(--radius-md);
    padding: 16px 14px 16px 20px;
    transition: background 140ms ease, border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.student-lesson-row:hover {
    transform: translateY(-1px);
    border-color: rgba(63, 168, 90, 0.42);
}

.student-lesson-row:active {
    transform: scale(0.99);
}

.student-lesson-row__main {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.student-lesson-row__title {
    color: var(--text-primary);
    font-size: 1.04rem;
    font-weight: 800;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.student-lesson-row__instructor {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 650;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.student-lesson-row__meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.25;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.student-lesson-row__goto {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    min-width: 64px;
    min-height: 34px;
    padding: 0 10px;
    border: 0;
    background: transparent;
    color: var(--brand-deep);
    font-size: 0.78rem;
    font-weight: 800;
    cursor: pointer;
    transition: color 140ms ease, transform 140ms ease;
}

.student-lesson-row__goto:hover {
    color: var(--brand);
    transform: translateX(1px);
}

.student-lesson-row__goto i {
    font-size: 0.78rem;
    flex-shrink: 0;
}

.lesson-insight-accent {
    position: absolute;
    inset: 12px auto 12px 0;
    width: 4px;
    border-radius: 999px;
    background: var(--primary);
    box-shadow: 0 0 18px rgba(63, 168, 90, 0.3);
}

.lesson-insight--driver .lesson-insight-accent {
    background: #38bdf8;
    box-shadow: 0 0 18px rgba(56, 189, 248, 0.32);
}

.lesson-insight--putting .lesson-insight-accent {
    background: #f4c542;
    box-shadow: 0 0 18px rgba(244, 197, 66, 0.3);
}

.lesson-insight--tempo .lesson-insight-accent {
    background: #a78bfa;
    box-shadow: 0 0 18px rgba(167, 139, 250, 0.32);
}

.lesson-insight--short-game .lesson-insight-accent {
    background: #fb7185;
    box-shadow: 0 0 18px rgba(251, 113, 133, 0.3);
}

.lesson-insight-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 2px;
}

.lesson-insight-tag {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    padding: 3px 8px;
    border: 1px solid rgba(63, 168, 90, 0.24);
    border-radius: 999px;
    background: rgba(63, 168, 90, 0.14);
    color: var(--primary-strong);
    font-size: 0.7rem;
    font-weight: 800;
    line-height: 1;
}

.contact-edit-lesson-item {
    position: relative;
    padding-left: 20px;
    background: var(--bg-card);
    border-color: var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.contact-edit-lesson-item::before {
    content: "";
    position: absolute;
    inset: 12px auto 12px 0;
    width: 4px;
    border-radius: 999px;
    background: var(--primary);
}

.contact-edit-lesson-item:hover {
    transform: translateY(-1px);
    border-color: rgba(63, 168, 90, 0.42);
}

.contact-edit-lesson-item:active {
    transform: scale(0.99);
}

.contact-edit-lesson-title {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 800;
}

.contact-edit-lesson-meta,
.contact-edit-lesson-date {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.home-lesson-ask {
    width: 100%;
    max-width: min(100%, 560px);
    margin: 0 auto 14px;
    padding: 0 4px;
    box-sizing: border-box;
}

.home-lesson-ask__composer {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 8px 8px 8px 14px;
    border: 1px solid var(--stroke);
    border-radius: 22px;
    background: var(--surface-strong);
    box-shadow: var(--shadow);
    transition: border-color 140ms ease, box-shadow 140ms ease;
}

.home-lesson-ask__composer:focus-within {
    border-color: var(--brand);
    box-shadow: var(--shadow), 0 0 0 1px rgba(0, 0, 0, 0.04);
}

.home-lesson-ask__input {
    flex: 1;
    min-width: 0;
    min-height: 24px;
    max-height: 160px;
    margin: 0;
    padding: 8px 4px;
    border: 0;
    background: transparent;
    color: var(--ink);
    font: inherit;
    font-size: 0.95rem;
    line-height: 1.35;
    resize: none;
    outline: none;
}

.home-lesson-ask__input::placeholder {
    color: var(--muted);
}

.home-lesson-ask__send {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--brand);
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    transition: opacity 140ms ease, transform 140ms ease, background 140ms ease;
}

.home-lesson-ask__send:disabled {
    background: var(--muted);
    cursor: not-allowed;
    opacity: 0.5;
}

.home-lesson-ask__send:not(:disabled):hover {
    filter: brightness(1.05);
}

.home-lesson-ask__send:not(:disabled):active {
    transform: scale(0.96);
}

.home-lesson-ask__answer {
    margin-top: 12px;
    padding: 12px 14px;
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.88);
    color: var(--ink);
}

.home-lesson-ask__answer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.home-lesson-ask__answer-kicker {
    margin: 0;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.home-lesson-ask__answer-close {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: color 120ms ease, background 120ms ease;
}

.home-lesson-ask__answer-close:hover {
    color: var(--ink);
    background: rgba(0, 0, 0, 0.05);
}

.home-lesson-ask__answer-body {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.45;
    white-space: pre-wrap;
    word-break: break-word;
}

.today-chat-panel {
    display: grid;
    gap: 10px;
    height: 100%;
    min-height: 0;
}

.today-chat-header h3 {
    margin: 0;
}

.today-chat-header p {
    margin: 4px 0 0;
    color: var(--muted);
}

.today-chat-iphone {
    border: none;
    border-radius: var(--radius-lg);
    min-height: 420px;
    height: 100%;
    position: relative;
    overflow: hidden;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.today-chat-list-view,
.today-chat-thread-view {
    height: 100%;
    position: absolute;
    inset: 0;
}

.today-chat-list-view {
    position: relative;
    padding: 6px;
}

.today-chat-thread-view {
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    gap: 10px;
    padding: 10px;
}

.today-chat-list-view[hidden],
.today-chat-thread-view[hidden] {
    display: none !important;
}

.today-chat-thread-top {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 8px;
}

.today-chat-thread-title {
    margin: 0;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 800;
    text-align: center;
}

.today-chat-back-button {
    border: none;
    background: transparent;
    color: var(--primary-strong);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-weight: 600;
}

.today-chat-to-row {
    border: 1px solid var(--stroke);
    border-radius: 12px;
    background: var(--surface-soft);
    padding: 6px;
    display: grid;
    gap: 6px;
}

.today-chat-to-row label {
    font-size: 0.85rem;
    color: var(--muted);
}

.today-chat-to-controls {
    display: grid;
    gap: 6px;
}

.today-chat-selected-to {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.today-chat-to-chip {
    border: 1px solid var(--stroke);
    border-radius: 999px;
    background: var(--surface);
    padding: 4px 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.today-chat-to-suggestions {
    display: grid;
    gap: 6px;
}

.today-chat-suggestion {
    width: 100%;
    border: 1px solid var(--stroke);
    border-radius: 10px;
    background: var(--surface);
    padding: 8px;
    display: grid;
    text-align: left;
    gap: 2px;
    cursor: pointer;
}

.today-chat-suggestion small {
    color: var(--muted);
}

.today-chat-conversations {
    border: none;
    border-radius: 12px;
    background: transparent;
    padding: 4px;
    height: 100%;
    overflow: auto;
}

.today-chat-messages {
    border: none;
    border-radius: 12px;
    background: transparent;
    padding: 8px 4px;
    overflow: auto;
}

.today-chat-conversation {
    width: 100%;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    text-align: left;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    padding: 8px 10px;
    color: inherit;
    cursor: pointer;
    max-width: 100%;
}

.today-chat-conversation:hover {
    border-color: var(--stroke);
    background: var(--surface-soft);
}

.today-chat-conversation.is-active {
    border-color: var(--brand);
    background: var(--brand-soft);
}

.today-chat-conversation-title {
    font-weight: 700;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.today-chat-conversation-preview {
    color: var(--muted);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.today-chat-conversation-copy {
    min-width: 0;
    display: grid;
    gap: 2px;
}

.today-chat-conversation-open {
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: end;
}

.today-chat-empty {
    margin: 0;
    color: var(--muted);
}

.today-chat-message {
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    padding: 10px 12px;
    margin-bottom: 10px;
    background: var(--bg-elevated);
    color: var(--text-primary);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}

.today-chat-message.is-current-user {
    border-color: rgba(63, 168, 90, 0.45);
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #fff;
}

.today-chat-message-meta {
    margin: 0 0 4px;
    color: var(--text-secondary);
    font-size: 0.76rem;
    font-weight: 700;
}

.today-chat-message-body {
    margin: 0;
    color: inherit;
    line-height: 1.55;
    white-space: pre-wrap;
}

.today-chat-composer {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    gap: 8px;
    align-items: center;
    padding: 8px;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    background: var(--bg-elevated);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.today-chat-input {
    border-radius: 999px;
    min-height: 38px;
    border-color: transparent;
    background: rgba(255, 255, 255, 0.04);
    padding-inline: 14px;
}

.today-chat-accessory-button,
.today-chat-send-button {
    border: none;
    border-radius: 999px;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 100ms ease, background 140ms ease, color 140ms ease, box-shadow 140ms ease;
}

.today-chat-accessory-button {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

.today-chat-accessory-button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.today-chat-accessory-button:active,
.today-chat-send-button:active {
    transform: scale(0.94);
}

.today-chat-accessory-button.is-recording {
    background: #fee2e2;
    color: #dc2626;
}

.today-chat-send-button {
    width: 38px;
    padding: 0;
    background: var(--primary);
    color: #fff;
    font-size: 0.9rem;
    box-shadow: 0 6px 18px rgba(45, 122, 59, 0.3);
}

.today-chat-send-button:hover {
    background: var(--primary-strong);
}

.today-chat-compose-fab {
    position: absolute;
    right: 18px;
    bottom: 18px;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    box-shadow: 0 10px 24px rgba(45, 122, 59, 0.34);
    cursor: pointer;
}

.today-chat-message.is-current-user .today-chat-message-meta {
    color: rgba(255, 255, 255, 0.88);
}

.lesson-workspace-card {
    gap: 14px;
    padding: 16px 18px;
}

.lesson-workspace-card[hidden] {
    display: none;
}

.lesson-workspace-card.is-collapsed {
    padding: 16px 18px;
    border: 1px solid var(--stroke);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.lesson-inline-warning {
    display: grid;
    gap: 10px;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--warning, #d97706);
    background: var(--warning-soft, #fff7ed);
}

.lesson-inline-warning-message {
    margin: 0;
    color: var(--ink);
    line-height: 1.4;
}

.lesson-inline-warning-actions {
    margin-top: 0;
}

.lesson-workspace-body {
    display: grid;
    gap: 12px;
}

.lesson-workspace-body[hidden] {
    display: none;
}

.lesson-collapsed-summary {
    margin: 0;
}

.lesson-collapsed-card {
    display: grid;
    gap: 10px;
    padding: 14px;
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: var(--surface);
}

.lesson-collapsed-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.lesson-collapsed-primary {
    line-height: 1.35;
    font-weight: 700;
    color: var(--ink);
}

.lesson-collapsed-secondary {
    margin-top: 2px;
    line-height: 1.35;
    color: var(--muted);
    font-size: 0.95rem;
}

.lesson-summary-actions {
    margin-top: 0;
    display: grid;
    gap: 10px;
}

.lesson-summary-steps {
    display: grid;
    gap: 10px;
}

.lesson-summary-step {
    display: grid;
    gap: 8px;
    padding: 10px;
    border: 1px solid var(--stroke);
    border-radius: 12px;
    background: var(--surface-soft);
}

.lesson-summary-step-heading {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lesson-summary-step-badge {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid var(--stroke);
    display: grid;
    place-items: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--ink);
    background: var(--surface);
}

.lesson-summary-step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
}

.lesson-summary-step-action {
    width: fit-content;
    max-width: min(100%, var(--app-button-max-width));
    align-self: flex-start;
}

.lesson-summary-step-select {
    color: white;
    min-height: 37px;
    text-align: center;
    text-align-last: center;
    padding-top: 9px;
    padding-bottom: 9px;
    line-height: 1.2;
}

.lesson-summary-step-select option {
    color: var(--ink);
}

.lesson-collapsed-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lesson-collapsed-icon-button {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: 1px solid var(--stroke);
    border-radius: 8px;
    background: transparent;
    color: var(--ink);
    display: grid;
    place-items: center;
    cursor: pointer;
}

.lesson-collapsed-icon-button:hover {
    background: var(--surface-soft);
}

.lesson-collapsed-icon-button i {
    font-size: 0.9rem;
}

.lesson-collapsed-close {
    position: static;
    border-color: var(--stroke);
    background: transparent;
    color: var(--ink);
}

.lesson-collapsed-close:hover {
    background: var(--surface-soft);
    color: var(--ink);
    border-color: var(--stroke);
}

.panel-copy {
    display: grid;
    gap: 6px;
}

.panel-copy-with-close {
    position: relative;
    min-height: 30px;
    padding-right: 40px;
}

.panel-copy h2,
.email-panel h3 {
    margin: 0;
    font-size: clamp(1.45rem, 3.6vw, 2.2rem);
    line-height: var(--line-tight);
    letter-spacing: -0.01em;
}

.panel-copy p,
.email-empty-state {
    margin: 0;
    color: var(--text-muted);
    font-size: var(--font-size-md);
    line-height: var(--line-relaxed);
}

.today-panel-date {
    font-size: clamp(1.2rem, 2.1vw, 1.5rem);
    font-weight: 600;
    line-height: 1.35;
}

.panel-guide {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
    padding: 14px 16px;
    border: 1px solid rgba(180, 120, 0, 0.3);
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(255, 244, 163, 0.98), rgba(255, 224, 102, 0.94));
    box-shadow: 0 16px 30px rgba(184, 134, 11, 0.18);
}

.panel-guide-copy {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.panel-guide-kicker {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #8a5a00;
}

.panel-guide-message {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: #4f3600;
    white-space: pre-line;
}

.panel-guide-dismiss {
    flex-shrink: 0;
    border-color: rgba(138, 90, 0, 0.28);
    background: rgba(255, 250, 231, 0.92);
    color: #5f4200;
}

.panel-guide-dismiss:hover {
    background: rgba(255, 246, 207, 0.98);
}

.email-panel-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(72px, 12vh, 108px) var(--space-4) var(--space-4);
    background: rgba(16, 27, 23, 0.4);
    backdrop-filter: blur(10px);
    z-index: 30;
}

.lesson-dialog-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(72px, 12vh, 108px) var(--space-4) var(--space-4);
    background: rgba(16, 27, 23, 0.4);
    backdrop-filter: blur(10px);
    z-index: 35;
}

/* Stack above lesson-details when both are open (e.g. + New student from details). */
#lesson-student-dialog-overlay {
    z-index: 45;
}

#lesson-student-dialog-overlay.lesson-inline-panel {
    position: static;
    inset: auto;
    padding: 0;
    background: transparent;
    backdrop-filter: none;
    display: block;
    margin-top: var(--space-4);
    z-index: auto;
}

#lesson-student-dialog-overlay.lesson-inline-panel[hidden] {
    display: none;
}

#lesson-student-dialog-overlay.lesson-inline-panel .lesson-dialog {
    width: 100%;
    max-width: none;
    max-height: min(70vh, 560px);
    overflow: auto;
    box-shadow: 0 16px 36px rgba(17, 28, 24, 0.14);
}

.lesson-dialog-overlay.is-open {
    display: flex;
}

.lesson-workspace-editor-stack {
    display: grid;
    gap: 18px;
    width: 100%;
}

.lesson-workspace-editor-sibling .summary-card.lesson-editor-sibling {
    margin: 0;
}

.lesson-workspace-editor-sibling > .lesson-capture-section--embedded {
    display: grid;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.lesson-details-disclosure,
.lesson-feedback-disclosure {
    display: grid;
    gap: var(--space-3);
    min-width: 0;
}

.lesson-capture-section--embedded {
    display: grid;
    gap: var(--space-4);
}

.lesson-capture-embedded-inner.upload-media-card {
    border: none;
    box-shadow: none;
    background: transparent;
    padding: 0;
}

.lesson-details-inline-root {
    display: grid;
    gap: var(--space-2);
    width: 100%;
    min-width: 0;
    align-self: stretch;
}

.lesson-details-collapsed-preview {
    display: grid;
    gap: 4px;
    margin: 0;
    padding: 0;
    min-width: 0;
}

.lesson-details-collapsed-preview[hidden] {
    display: none !important;
}

.lesson-details-collapsed-primary {
    margin: 0;
    font-weight: 700;
    font-size: clamp(0.94rem, 2.2vw, 1.02rem);
    line-height: 1.35;
    letter-spacing: 0.01em;
    color: inherit;
    overflow-wrap: anywhere;
    display: block;
}

.lesson-details-collapsed-secondary {
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1.35;
    color: color-mix(in srgb, var(--text-primary, var(--ink)) 78%, transparent);
    overflow-wrap: anywhere;
    display: block;
}

.lesson-details-toggle {
    display: grid;
    grid-template-columns: minmax(0, 1fr) max-content;
    align-items: flex-start;
    gap: var(--space-3);
    width: 100%;
    padding: 4px 0 2px;
    margin: 0;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    font-size: inherit;
    line-height: 1.35;
    color: inherit;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    transition: opacity 0.15s ease, background 0.15s ease;
}

.lesson-details-toggle:hover {
    background: rgba(255, 255, 255, 0.04);
}

.lesson-details-toggle.lesson-details-toggle--expanded:hover {
    background: rgba(255, 255, 255, 0.06);
}

.lesson-details-toggle.lesson-details-toggle--expanded {
    align-items: center;
    min-height: 40px;
}

.lesson-details-toggle.lesson-details-toggle--expanded .lesson-details-toggle__chevron-wrap {
    padding-top: 0;
    align-items: center;
}

.lesson-details-toggle__main {
    min-width: 0;
    text-align: left;
}

.lesson-details-toggle__chevron-wrap {
    display: inline-flex;
    width: 2.25rem;
    justify-self: end;
    justify-content: center;
    align-items: flex-start;
    padding-top: 2px;
}

.lesson-details-toggle__icon-single {
    font-size: 1rem;
    opacity: 0.92;
}

.lesson-editor-route {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    min-width: 0;
}

.lesson-editor-route > .lesson-workspace-panel {
    gap: 12px;
}

.lesson-editor-route > .home-pill-nav.panel-top-nav {
    position: sticky;
    top: 0;
    z-index: 16;
    margin-bottom: 0;
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
    background: var(--bg-elevated);
}

.lesson-details-expand-body {
    display: grid;
    gap: var(--space-4);
}

.lesson-details-expand-body[hidden],
.lesson-details-expand-body.lesson-details-expand-body--collapsed {
    display: none !important;
}

.lesson-details-inline-lead {
    margin: 0;
}

.lesson-details-inline-form.lesson-details-inline-form {
    max-width: none;
}

.lesson-dialog {
    position: relative;
    width: min(100%, 620px);
    display: grid;
    gap: var(--space-4);
    padding: var(--space-6);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    background: color-mix(in srgb, var(--surface-card-strong) 96%, white);
    box-shadow: 0 36px 84px rgba(17, 28, 24, 0.28);
}

#lesson-details-main-fields {
    display: grid;
    gap: var(--space-4);
}

.lesson-dialog-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.lesson-form {
    display: grid;
    gap: 10px;
}

.lesson-field {
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    column-gap: 8px;
    row-gap: 4px;
    align-items: center;
    font-weight: 600;
    font-size: 0.8rem;
}

.lesson-field>span,
.lesson-field>label {
    margin: 0;
    font-size: 0.8rem;
}

.lesson-field.location-field {
    align-items: start;
}

.lesson-field.location-field>label {
    align-self: center;
}

.lesson-field.location-field .location-row,
.lesson-field.location-field .field-help {
    grid-column: 2;
}

.lesson-shared-feedback-field {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 6px;
}

.lesson-shared-feedback-field>span:first-child {
    font-size: 0.86rem;
}

.lesson-shared-feedback-field .field-help {
    margin: 0;
}

.lesson-start-field {
    align-items: start;
}

.lesson-start-native-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.lesson-start-card {
    grid-column: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    width: 100%;
    min-width: 0;
    min-height: 48px;
    padding: 8px 10px 8px 12px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--surface-card-strong) 88%, white);
    box-shadow: 0 8px 18px rgba(17, 28, 24, 0.06);
}

.lesson-start-summary {
    min-width: 0;
    color: var(--text);
    font-size: 0.92rem;
    font-weight: 750;
    line-height: 1.3;
}

.lesson-start-change {
    flex: 0 0 auto;
    min-height: 38px;
    padding-inline: 14px;
}

.lesson-start-picker-overlay {
    z-index: 50;
}

.lesson-start-picker-panel {
    width: min(100%, 680px);
    gap: var(--space-4);
}

.lesson-start-picker-header h3,
.lesson-start-step-heading h4 {
    margin: 0;
}

.lesson-start-picker-eyebrow {
    margin: 0 0 2px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.lesson-start-picker-back {
    justify-self: start;
    min-height: 38px;
}

.lesson-start-picker-step {
    display: grid;
    gap: var(--space-4);
}

.lesson-start-picker-step[hidden] {
    display: none;
}

.lesson-start-step-heading {
    display: grid;
    gap: 4px;
}

.lesson-start-step-heading .field-help {
    margin: 0;
}

.lesson-start-quick-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.lesson-start-choice,
.lesson-start-date-pill,
.lesson-start-time-button {
    appearance: none;
    border: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--surface-card-strong) 94%, white);
    color: var(--text);
    cursor: pointer;
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease, background 160ms ease;
}

.lesson-start-choice {
    display: grid;
    gap: 4px;
    min-height: 74px;
    padding: 14px;
    border-radius: var(--radius-lg);
    text-align: left;
}

.lesson-start-choice span {
    font-weight: 800;
}

.lesson-start-choice small {
    color: var(--text-muted);
    font-weight: 650;
}

.lesson-start-choice:hover,
.lesson-start-date-pill:hover,
.lesson-start-time-button:hover {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--brand) 48%, var(--border-default));
    box-shadow: 0 12px 24px rgba(17, 28, 24, 0.12);
}

.lesson-start-choice.is-selected,
.lesson-start-date-pill.is-selected,
.lesson-start-time-button.is-selected {
    border-color: color-mix(in srgb, var(--brand) 72%, var(--border-default));
    background: color-mix(in srgb, var(--brand-soft) 68%, var(--surface-card-strong));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent);
}

.lesson-start-date-strip {
    display: flex;
    gap: 8px;
    min-width: 0;
    overflow-x: auto;
    padding: 2px 2px 8px;
    scrollbar-width: thin;
}

.lesson-start-date-pill {
    flex: 0 0 92px;
    display: grid;
    place-items: center;
    gap: 4px;
    min-height: 72px;
    padding: 10px;
    border-radius: var(--radius-lg);
}

.lesson-start-date-pill span {
    color: var(--text-muted);
    font-weight: 750;
}

.lesson-start-date-pill strong {
    font-size: 0.95rem;
}

.lesson-start-fallback {
    display: grid;
    gap: 6px;
    max-width: 280px;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 750;
}

.lesson-start-time-groups {
    display: grid;
    gap: var(--space-4);
}

.lesson-start-time-group {
    display: grid;
    gap: 8px;
}

.lesson-start-time-group h5 {
    margin: 0;
    font-size: 0.86rem;
    letter-spacing: 0.02em;
}

.lesson-start-time-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
    gap: 8px;
}

.lesson-start-time-button {
    min-height: 48px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    font-weight: 800;
}

.lesson-start-confirm-step {
    text-align: center;
}

.lesson-start-confirm-summary {
    margin: 0;
    color: var(--text);
    font-size: clamp(1.2rem, 4vw, 1.7rem);
    font-weight: 850;
    line-height: 1.25;
}

.lesson-start-confirm-actions,
.lesson-start-secondary-actions {
    display: grid;
    gap: 10px;
}

.lesson-start-secondary-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.lesson-private-fields {
    display: grid;
    gap: 10px;
    padding: 12px;
    border: 1px solid color-mix(in srgb, var(--brand) 18%, var(--stroke));
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--brand-soft) 48%, transparent);
}

.lesson-private-fields__copy {
    margin: 0;
}

.lesson-shared-tags {
    display: grid;
    gap: 8px;
    width: 100%;
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--bg-elevated) 72%, transparent);
}

.lesson-shared-tags__header {
    display: grid;
    gap: 4px;
}

.lesson-shared-tags__header h4 {
    margin: 0;
    font-size: 0.9rem;
}

.lesson-tags-trigger {
    display: grid;
    grid-template-columns: minmax(0, 1fr) max-content;
    align-items: start;
    gap: 10px;
    min-height: 42px;
    width: 100%;
    min-width: 0;
    padding: 6px 10px;
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    cursor: pointer;
    text-align: left;
    /* Buttons often clip children; summary needs to scroll or wrap without clipping. */
    overflow: visible;
}

.lesson-tags-trigger[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.lesson-tags-trigger i {
    flex: 0 0 auto;
    transition: transform 140ms ease-out;
    margin-top: 8px;
}

.lesson-tags-summary {
    display: flex;
    flex-flow: row wrap;
    justify-content: flex-start;
    align-items: center;
    align-content: flex-start;
    gap: 6px;
    width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: visible;
    scrollbar-width: thin;
}

.lesson-tags-summary::-webkit-scrollbar {
    height: 6px;
}

.lesson-tags-placeholder {
    padding: 3px 2px;
    color: var(--text-secondary);
    font-size: 0.84rem;
    font-weight: 700;
}

.lesson-tags-hint {
    min-height: 16px;
    margin: -2px 0 0;
    color: var(--text-secondary);
    font-size: 0.76rem;
    opacity: 0;
    transition: color 120ms ease-out, opacity 120ms ease-out;
}

.lesson-tags-hint.is-visible {
    color: var(--primary-strong);
    opacity: 1;
}

.lesson-tags-hint.is-shaking {
    animation: lessonTagShake 160ms ease-out;
}

.lesson-tag-picker-panel {
    display: grid;
    width: 100%;
    min-width: 0;
    max-height: min(360px, 48vh);
    overflow-y: auto;
    gap: 12px;
    padding: 10px;
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    background: color-mix(in srgb, var(--bg-card) 82%, var(--bg-elevated));
}

.lesson-tag-picker-panel[hidden] {
    display: none;
}

.lesson-tag-picker-section {
    display: grid;
    gap: 8px;
    width: 100%;
    min-width: 0;
}

.lesson-tag-picker-section h5 {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.lesson-tag-picker {
    display: grid;
    width: 100%;
    min-width: 0;
    grid-template-columns: repeat(auto-fill, minmax(min(5.5rem, 100%), 1fr));
    gap: 4px;
    align-items: stretch;
}

.lesson-tag-picker .lesson-tag-chip {
    width: 100%;
    min-width: 0;
    min-height: 18px;
    padding: 3px 7px;
    border-radius: 999px;
    font-size: 0.62rem;
    font-weight: 700;
    line-height: 1.25;
    white-space: normal;
    text-align: center;
    hyphens: auto;
}

.lesson-tag-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 7px 14px;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: background 120ms ease-out, color 120ms ease-out, border-color 120ms ease-out, transform 120ms ease-out;
    user-select: none;
}

.lesson-tag-chip.is-selected {
    border-color: transparent;
    background: var(--primary);
    color: #fff;
}

.lesson-tag-chip.is-popping {
    animation: lessonTagPop 150ms ease-out;
}

.lesson-tag-chip.is-denied {
    animation: lessonTagDenied 150ms ease-out;
}

.lesson-tag-chip--summary {
    flex: 0 0 auto;
    width: max-content;
    max-width: 100%;
    min-height: 28px;
    padding: 5px 10px;
    border-color: transparent;
    background: var(--primary);
    color: #fff;
    font-size: 0.76rem;
    cursor: default;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
    line-height: 1.2;
}

.lesson-tag-input[hidden] {
    display: none;
}

@keyframes lessonTagPop {
    0% {
        transform: scale(0.96);
    }

    60% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes lessonTagDenied {
    0%,
    100% {
        transform: translateX(0);
    }

    35% {
        transform: translateX(-3px);
    }

    70% {
        transform: translateX(3px);
    }
}

@keyframes lessonTagShake {
    0%,
    100% {
        transform: translateX(0);
    }

    35% {
        transform: translateX(-4px);
    }

    70% {
        transform: translateX(4px);
    }
}

.lesson-field .lesson-field-help {
    grid-column: 2;
    margin-top: -2px;
}

.lesson-custom-feeling-field input[hidden] {
    display: none;
}

.lesson-feeling-display {
    display: grid;
    gap: 6px;
    margin: 2px 0 0;
}

.lesson-feeling-display:empty {
    display: none;
}

.lesson-feeling-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.lesson-feeling-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    width: fit-content;
    max-width: 100%;
    padding: 4px 8px;
    border: 1px solid color-mix(in srgb, var(--brand) 28%, var(--stroke));
    border-radius: 999px;
    background: color-mix(in srgb, var(--brand-soft) 72%, transparent);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.2;
}

.lesson-feeling-pill__label {
    color: var(--text-muted);
    font-weight: 700;
}

.location-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    align-items: start;
}

.field-help {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 400;
}

.email-panel-overlay.is-open {
    display: flex;
}

#location-settings-overlay {
    z-index: 40;
}

#summary-send-overlay {
    z-index: 70;
}

.email-panel {
    position: relative;
    width: min(100%, 620px);
    display: grid;
    gap: var(--space-4);
    padding: var(--space-6);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    background: color-mix(in srgb, var(--surface-card-strong) 96%, white);
    box-shadow: 0 36px 84px rgba(17, 28, 24, 0.28);
}

.email-panel-header {
    padding-right: 40px;
}

.contact-delete-button {
    font-size: 0.75rem;
    margin-top: 4px;
}

.email-panel-label {
    font-weight: var(--weight-semibold);
    font-size: var(--font-size-sm);
}

.email-input {
    width: 100%;
    min-height: 42px;
    padding: 10px 12px;
    border: 1px solid color-mix(in srgb, var(--brand-primary) 22%, var(--border-default));
    border-radius: var(--radius-sm);
    background: color-mix(in srgb, white 96%, var(--surface-card));
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    transition: border-color var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard), background var(--motion-fast) var(--ease-standard);
}

.email-input:focus {
    outline: none;
    border-color: rgba(63, 168, 90, 0.56);
    box-shadow: 0 0 0 2px rgba(45, 122, 59, 0.4);
    background: var(--bg-elevated);
}

.email-search-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 0.95rem;
}

.email-suggestions {
    display: grid;
    gap: 10px;
    max-height: 260px;
    overflow-y: auto;
}

.email-suggestion {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border: 1px solid var(--stroke);
    border-radius: 16px;
    background: rgba(255, 250, 243, 0.92);
    text-align: left;
    color: var(--ink);
    cursor: pointer;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.email-suggestion:hover {
    transform: translateY(-1px);
    border-color: rgba(15, 118, 110, 0.35);
    background: white;
}

.location-settings-panel {
    position: relative;
    width: min(100%, 620px);
    max-height: min(90vh, 720px);
    overflow-y: auto;
    display: grid;
    gap: 18px;
    padding: 26px;
    border: 1px solid var(--stroke);
    border-radius: 26px;
    background: rgba(255, 250, 243, 0.98);
    box-shadow: 0 28px 70px rgba(29, 49, 44, 0.22);
}

.location-settings-form {
    display: grid;
    gap: 14px;
}

.location-settings-list {
    display: grid;
    gap: 10px;
}

.location-settings-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 10px;
    align-items: center;
    padding: 12px 14px;
    border: 1px solid var(--stroke);
    border-radius: 16px;
    background: rgba(255, 250, 243, 0.92);
}

.location-settings-name {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.compact-action {
    padding: 10px 14px;
}

.stub-card p {
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 1.05rem;
}

.cal-integration-list {
    display: grid;
    gap: 12px;
}

.cal-integration-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.88);
}

.cal-integration-info {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.cal-integration-name {
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cal-integration-status {
    font-size: 0.82rem;
    color: var(--muted);
}

.cal-integration-action {
    flex-shrink: 0;
}

.action-buttons {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.settings-utility-actions {
    margin-top: 18px;
}

.primary-action,
.secondary-action,
.danger-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 42px;
    max-width: none;
    padding: 10px 18px;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: transform var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard), background var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard);
}

.primary-action:hover,
.secondary-action:hover,
.danger-action:hover {
    transform: translateY(-1px);
}

.lesson-workspace-card .action-buttons {
    display: flex;
    gap: 8px;
}

.lesson-workspace-card .action-buttons .primary-action {
    margin-left: auto;
}

.primary-action {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 10px 24px rgba(45, 122, 59, 0.28);
}

.primary-action:hover {
    background: var(--primary-strong);
    border-color: var(--primary-strong);
}

.secondary-action {
    background: transparent;
    color: var(--text-secondary);
}

.danger-action {
    background: transparent;
    border-color: rgba(255, 107, 107, 0.3);
    color: #ff6b6b;
    box-shadow: none;
}

.danger-action:hover {
    background: rgba(255, 107, 107, 0.08);
    border-color: rgba(255, 107, 107, 0.45);
    color: #ff8585;
}

.action-with-spinner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.button-spinner {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid color-mix(in srgb, white 55%, transparent);
    border-top-color: white;
    display: none;
    animation: theme-spin 900ms linear infinite;
}

.action-with-spinner.is-loading .button-spinner {
    display: inline-block;
}

.action-with-spinner.is-loading .button-label {
    opacity: 0.92;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    z-index: 100100;
    transform: translateX(-50%);
    padding: 12px 16px;
    border-radius: 999px;
    background: rgba(11, 79, 75, 0.92);
    color: white;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
    transform-origin: center;
}

.toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
}

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes theme-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes menu-in {
    from {
        opacity: 0;
        transform: translateY(-6px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 560px) {
    .app-shell {
        padding:
            max(var(--space-2), env(safe-area-inset-top))
            max(var(--space-2), env(safe-area-inset-right))
            max(var(--space-3), env(safe-area-inset-bottom))
            max(var(--space-2), env(safe-area-inset-left));
    }

    .titlebar {
        margin-bottom: var(--space-3);
        border-radius: var(--radius-lg);
    }

    .stub-card,
    .nav-card {
        padding: 20px;
        border-radius: 22px;
    }

    .recording-card {
        padding: 20px;
        border-radius: 22px;
    }

    .send-link-card,
    .email-panel,
    .lesson-dialog,
    .location-settings-panel {
        padding: var(--space-5);
        border-radius: var(--radius-lg);
    }

    .email-input {
        border-radius: 10px;
    }

    .lesson-field {
        gap: 4px;
    }

    .send-link-card .lesson-form {
        gap: 8px;
    }

    .send-link-card .lesson-field {
        grid-template-columns: 84px minmax(0, 1fr);
        gap: 6px;
        align-items: center;
    }

    .send-link-card .location-row {
        gap: 6px;
    }

    .send-link-card .location-row .secondary-action,
    .send-link-card .primary-action,
    .send-link-card .secondary-action,
    .send-link-card .danger-action {
        width: 100%;
        min-height: 46px;
    }

    .send-link-card .media-controls-toolbar .primary-action,
    .send-link-card .media-controls-toolbar .secondary-action,
    .send-link-card .media-controls-toolbar .upload-record-btn {
        width: auto;
        flex: 1 1 0;
        min-width: 0;
    }

    .send-link-card .action-buttons {
        gap: 6px;
    }

    .send-link-card .field-help {
        font-size: 0.8rem;
    }

    .lesson-dialog-overlay {
        padding: 6px;
    }

    .lesson-dialog {
        width: 100%;
        max-height: calc(100vh - 12px);
        overflow-y: auto;
        padding: 12px;
        gap: 10px;
        border-radius: 16px;
    }

    .lesson-form {
        gap: 8px;
    }

    .lesson-field {
        gap: 6px;
    }

    .lesson-dialog .location-row {
        gap: 8px;
    }

    .lesson-dialog .location-row .secondary-action {
        border-radius: 10px;
    }

    .lesson-dialog .action-buttons {
        gap: 8px;
    }

    .lesson-details-dialog-actions {
        width: 100%;
    }

    .lesson-dialog .field-help {
        font-size: 0.84rem;
    }

    .lesson-dialog .lesson-field {
        grid-template-columns: 96px minmax(0, 1fr);
        gap: 8px;
        align-items: center;
    }

    .lesson-start-picker-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .lesson-start-picker-panel {
        width: 100%;
        max-height: min(86vh, 720px);
        overflow-y: auto;
        border-radius: 22px 22px 0 0;
        padding-bottom: max(16px, env(safe-area-inset-bottom));
    }

    .lesson-start-field {
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .lesson-start-card {
        grid-column: 1;
        min-height: 52px;
    }

    .lesson-start-quick-grid {
        grid-template-columns: 1fr;
    }

    .lesson-start-choice {
        min-height: 68px;
    }

    .lesson-start-date-pill {
        flex-basis: 86px;
        min-height: 70px;
    }

    .lesson-start-time-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .lesson-start-time-button,
    .lesson-start-confirm-actions .primary-action,
    .lesson-start-secondary-actions .secondary-action {
        min-height: 52px;
    }

    .lesson-start-secondary-actions {
        grid-template-columns: 1fr;
    }

    .summary-card,
    .summary-dialog {
        padding: 14px;
        border-radius: 16px;
    }

    .summary-card {
        gap: 10px;
    }

    .summary-status,
    .summary-progress-meta {
        font-size: 0.9rem;
    }

    .recording-primary-controls {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: clamp(8px, 2.2vw, 12px);
        align-items: stretch;
    }

    .record-button,
    .pause-record-button,
    .stop-record-button,
    .transport-icon-button {
        min-width: 0;
        min-height: 0;
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1;
        padding: clamp(6px, 1.8vw, 10px);
        font-size: clamp(0.8rem, 3.2vw, 1rem);
        display: grid;
        place-items: center;
    }

    .transport-icon-button {
        font-size: clamp(1.15rem, 5vw, 1.5rem);
    }

    .pause-record-button i,
    .stop-record-button i,
    .transport-icon-button i {
        font-size: clamp(1.15rem, 5vw, 1.5rem);
    }

    .playhead-panel {
        grid-auto-flow: row;
        display: grid;
    }

    .playhead-slider-row {
        width: 100%;
    }

    .email-panel-header,
    .email-search-meta {
        grid-auto-flow: row;
        display: grid;
        justify-content: stretch;
    }

}

@media (max-width: 420px) {}

/* Profile Page Styles */
.profile-section {
    margin: 1.5rem 0;
}

.profile-account-form {
    display: grid;
    gap: 14px;
}

.profile-account-form .action-buttons {
    align-items: center;
}

.profile-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--stroke);
}

.profile-item:last-child {
    border-bottom: none;
}

.profile-label {
    font-weight: 600;
    color: var(--ink);
}

.profile-value {
    color: var(--muted);
    text-align: right;
}

.profile-referral-code {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.profile-code-display {
    font-family: "Courier New", monospace;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-align: center;
    background: var(--surface-strong);
    border: 2px solid var(--brand);
}

.profile-code-display:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--bg-glow-a);
}

.profile-referral-text {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.5;
    margin-top: 0.5rem;
}

.usage-activity-log {
    display: grid;
    gap: 10px;
    max-height: min(42vh, 360px);
    padding: 6px;
    border: 1px solid var(--stroke);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.72);
    overflow-y: auto;
}

.usage-activity-item {
    display: grid;
    gap: 4px;
    padding: 10px 12px;
    border: 1px solid var(--stroke);
    border-radius: 12px;
    background: rgba(255, 250, 243, 0.92);
}

.usage-activity-date {
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--brand-deep);
}

.usage-activity-copy {
    color: var(--ink);
    line-height: 1.35;
}

/* Subscription page */
.sub-status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    background: rgba(29, 49, 44, 0.09);
    color: var(--muted);
}

.sub-status-active {
    background: rgba(15, 118, 110, 0.14);
    color: var(--brand-deep);
}

.sub-status-trialing {
    background: rgba(202, 138, 4, 0.14);
    color: #92400e;
}

.sub-status-past_due,
.sub-status-canceled {
    background: rgba(217, 45, 32, 0.12);
    color: #b42318;
}

.sub-status-paid {
    background: rgba(15, 118, 110, 0.14);
    color: var(--brand-deep);
}

.sub-status-failed {
    background: rgba(217, 45, 32, 0.12);
    color: #b42318;
}

.sub-card-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border: 1px solid var(--stroke);
    border-radius: 16px;
    background: var(--surface-strong);
    margin-bottom: 4px;
}

.sub-card-chip {
    flex-shrink: 0;
}

.sub-card-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sub-card-name {
    font-weight: 600;
    color: var(--ink);
}

.sub-card-exp {
    font-size: 0.85rem;
    color: var(--muted);
}

.sub-card-form-wrap {
    margin-top: 14px;
    padding: 18px;
    border: 1px solid var(--stroke);
    border-radius: 18px;
    background: var(--surface-strong);
}

.sub-card-form {
    display: grid;
    gap: 14px;
}

.sub-card-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 480px) {
    .sub-card-form-row {
        grid-template-columns: 1fr;
    }
}

.auth-pricing-section,
.auth-referral-section {
    margin: 0.75rem 0;
    padding: 0.75rem;
    background: var(--surface-strong);
    border-radius: calc(var(--radius) / 2);
    border: 1px solid var(--stroke);
}

.auth-pricing-text,
.auth-referral-text {
    margin: 0.35rem 0;
    color: var(--ink);
    line-height: 1.5;
    font-size: 0.95rem;
}

.auth-pricing-text:first-child,
.auth-referral-text:first-child {
    margin-top: 0;
}

.auth-pricing-text strong,
.auth-referral-text strong {
    color: var(--brand);
    font-weight: 600;
}

.auth-screen .send-link-card {
    gap: 14px;
    padding: 20px 24px;
}

.auth-screen .panel-copy {
    gap: 6px;
}

.auth-screen .panel-copy h2 {
    font-size: 1.7rem;
    line-height: 1.2;
}

.auth-screen .panel-copy p,
.auth-screen .email-empty-state,
.auth-screen .summary-system-option,
.auth-screen .auth-link-button,
.auth-screen .auth-pricing-text,
.auth-screen .auth-referral-text {
    font-size: 1.05rem;
}

.auth-screen .recording-kicker {
    margin: 0;
}

.auth-screen .lesson-field {
    margin: 0;
}

.auth-screen .lesson-field > span {
    font-size: 1.02rem;
    font-weight: 600;
}

.auth-screen #auth-referral-code-status {
    grid-column: 2;
    margin-top: 0;
}

.auth-screen .email-input {
    min-height: 52px;
    padding: 12px 14px;
    font-size: 1.02rem;
    border-radius: 12px;
}

.auth-screen .summary-system-option {
    margin: 0;
    gap: 6px;
}

.auth-screen .settings-divider {
    margin: 0;
}

.auth-screen .auth-pricing-section,
.auth-screen .auth-referral-section {
    margin: 8px 0 4px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.auth-screen .auth-pricing-text,
.auth-screen .auth-referral-text {
    margin: 6px 0;
    line-height: 1.5;
}

.auth-screen .auth-navigation,
.auth-screen .action-buttons {
    margin: 0;
    gap: 6px;
}

.auth-screen .login-action-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
}

.auth-screen .login-action-buttons .primary-action,
.auth-screen .login-action-buttons .secondary-action {
    width: 100%;
}

.auth-screen .login-auth-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.auth-screen .login-auth-option {
    display: grid;
    gap: 6px;
}

.auth-screen .login-auth-option__label {
    margin: 0;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--muted);
}

.auth-screen .login-auth-option .primary-action,
.auth-screen .login-auth-option .secondary-action {
    width: 100%;
}

.auth-screen .login-google-row .primary-action {
    width: 100%;
}

.auth-screen .login-separator {
    height: 10px;
}

.auth-screen .login-email-row {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 8px;
}

.auth-screen .login-email-row > span {
    grid-column: 1;
}

.auth-screen .login-email-row__controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: center;
}

.auth-screen .login-email-row__controls--stacked {
    grid-template-columns: minmax(0, 1fr);
}

.auth-screen .otp-code-group {
    display: grid;
    grid-template-columns: repeat(6, 54px);
    gap: 14px;
    width: fit-content;
    max-width: 100%;
    margin-top: 6px;
    margin-bottom: 8px;
}

.auth-screen .otp-code-row {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.auth-screen .otp-digit-input {
    width: 54px;
    height: 64px;
    border: 1px solid var(--stroke);
    border-radius: 12px;
    text-align: center;
    font-size: 1.55rem;
    font-weight: 700;
    background: #fff;
    color: var(--ink);
}

.auth-screen .otp-code-row .compact-action {
    height: 64px;
}

.auth-screen .otp-digit-input:focus {
    outline: 2px solid var(--brand);
    outline-offset: 1px;
}

.auth-screen #login-phone-recaptcha {
    margin-top: 10px;
}

.auth-screen .compact-action {
    padding: 10px 14px;
    font-size: 0.9rem;
    border-radius: 10px;
    white-space: nowrap;
}

.auth-screen .primary-action,
.auth-screen .secondary-action {
    min-height: 52px;
    font-size: 1rem;
    border-radius: 12px;
}

.auth-navigation {
    text-align: center;
    margin-bottom: 1rem;
}

.auth-link-button {
    background: none;
    border: none;
    color: var(--brand);
    text-decoration: underline;
    cursor: pointer;
    font-size: 0.95rem;
    padding: 0;
    transition: color 120ms;
}

.auth-link-button:hover {
    color: var(--brand-deep);
}

.field-validation-message {
    display: block;
    font-size: 0.85rem;
    margin-top: 4px;
    transition: color 200ms, opacity 200ms;
    opacity: 0.8;
}

.field-validation-message.validating {
    color: var(--muted);
}

.field-validation-message.valid {
    color: #2d7a3b;
}

.field-validation-message.invalid {
    color: #b42318;
}

@media (max-width: 640px) {
    .panel-guide {
        display: grid;
    }

    .panel-guide-dismiss {
        width: 100%;
    }
}

/* Mic capture control and inline audio recorder */
.upload-record-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: auto;
    height: auto;
    min-width: 44px;
    padding: 9px 12px;
    background: #dc2626;
    border: 1px solid #dc2626;
    border-radius: 12px;
    color: white;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.upload-record-btn:hover {
    background: #b91c1c;
    border-color: #b91c1c;
}

.upload-record-btn:active {
    background: #7f1d1d;
    border-color: #7f1d1d;
}

.upload-record-btn i {
    font-size: 1rem;
}

.media-controls-toolbar {
    display: flex;
    align-items: stretch;
    gap: 8px;
    flex-wrap: nowrap;
    min-width: 0;
}

.media-controls-toolbar .primary-action,
.media-controls-toolbar .secondary-action,
.media-controls-toolbar .upload-record-btn {
    min-height: 46px;
    flex: 1 1 0;
    min-width: 0;
    width: auto;
    box-sizing: border-box;
    text-align: center;
    line-height: 1.2;
}

.upload-audio-recorder-inline {
    margin-top: 12px;
    padding: 12px;
    background: var(--card-background);
    border: 1px solid var(--stroke);
    border-radius: 8px;
}

.recorder-inline-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
}

.recorder-close-btn {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--muted);
    padding: 2px 4px;
    line-height: 1;
    border-radius: 4px;
}

.recorder-close-btn:hover {
    color: var(--text);
    background: var(--hover-bg);
}

.recorder-status-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.recorder-status-group p {
    margin: 0;
}

.recorder-elapsed {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    min-width: 48px;
}

.recorder-viz-canvas {
    display: block;
    width: 100%;
    height: 48px;
    margin-bottom: 10px;
    border-radius: 6px;
    background: transparent;
}

.recorder-controls {
    gap: 8px;
}

/* Dialog Overlay and Content */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(16, 27, 23, 0.46);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(10px);
    animation: fadeIn var(--motion-fast) var(--ease-standard);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.dialog-content {
    background: color-mix(in srgb, var(--surface-card-strong) 96%, white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    max-width: 90vw;
    max-height: 90vh;
    width: 100%;
    box-shadow: 0 40px 86px rgba(9, 11, 14, 0.34);
    animation: slideUp var(--motion-base) var(--ease-standard);
    border: 1px solid var(--border-default);
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (min-width: 600px) {
    .dialog-content {
        width: auto;
        min-width: 320px;
        max-width: 500px;
    }
}

@media (max-width: 560px) {
    .dialog-content {
        width: min(100%, 560px);
        border-radius: var(--radius-lg);
        padding: var(--space-5);
    }

    .dialog-buttons {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 8px;
    }

    .dialog-action-group {
        display: grid;
        grid-template-columns: 1fr;
        width: 100%;
        margin-left: 0;
    }

    .dialog-action-spacer {
        display: none;
    }

    .dialog-buttons .primary-action,
    .dialog-buttons .secondary-action,
    .dialog-buttons .danger-action {
        width: 100%;
        min-height: 46px;
    }
}

.dialog-title {
    margin: 0 0 12px 0;
    font-size: var(--font-size-xl);
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
    line-height: var(--line-tight);
}

.dialog-message {
    margin: 0 0 20px 0;
    font-size: var(--font-size-md);
    color: var(--text-muted);
    line-height: var(--line-relaxed);
}

.dialog-input {
    width: 100%;
    padding: 10px 12px;
    margin: 0 0 20px 0;
    font-size: 1rem;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    background: var(--surface-card);
    color: var(--text-primary);
    box-sizing: border-box;
    font-family: inherit;
}

.dialog-input:focus {
    outline: none;
    border-color: rgba(63, 168, 90, 0.56);
    box-shadow: 0 0 0 2px rgba(45, 122, 59, 0.4);
}

.dialog-buttons {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.dialog-action-group {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-left: auto;
}

.dialog-action-spacer {
    flex: 1 1 auto;
    min-width: 12px;
}

.dialog-buttons--three-way .dialog-action-group--wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
    width: 100%;
    margin-left: 0;
}

.email-panel .action-buttons,
.lesson-dialog .action-buttons,
.dialog-content .dialog-buttons {
    width: 100%;
}

.email-panel .action-buttons,
.lesson-dialog .action-buttons {
    justify-content: space-between;
}

.email-panel .action-buttons .danger-action,
.lesson-dialog .action-buttons .danger-action,
.dialog-buttons .danger-action {
    margin-right: auto;
}

.email-panel .action-buttons .primary-action,
.lesson-dialog .action-buttons .primary-action {
    margin-left: 0;
}

.email-panel .action-buttons .secondary-action:first-child:not(:last-child),
.lesson-dialog .action-buttons .secondary-action:first-child:not(:last-child) {
    margin-left: auto;
}

.availability-shell .send-link-card {
    max-width: min(1100px, 100%);
    padding: 12px 14px;
}

.availability-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.availability-segmented {
    display: inline-flex;
    padding: 4px;
    border: 1px solid var(--stroke);
    border-radius: 999px;
    background: rgba(255, 250, 243, 0.85);
    box-shadow: inset 0 1px 2px rgba(29, 49, 44, 0.08);
}

.availability-mode-pill {
    border: 0;
    background: transparent;
    color: var(--ink);
    border-radius: 999px;
    padding: 8px 14px;
    font-weight: 700;
    cursor: pointer;
}

.availability-mode-pill.is-active {
    background: var(--brand);
    color: #fff;
}

.availability-paint-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.availability-toolbar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 8px;
}

.availability-field {
    display: grid;
    gap: 6px;
}

.availability-field span {
    font-size: 0.82rem;
    color: var(--muted);
    font-weight: 600;
}

.availability-day-actions {
    margin-top: 8px;
}

.availability-grid-scroll {
    margin-top: 8px;
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.6);
    overflow: auto;
    max-height: min(68vh, 820px);
    -webkit-overflow-scrolling: touch;
}

.availability-editor--embedded .availability-grid-scroll {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
}

.availability-calendar {
    min-width: 100%;
}

.availability-calendar .fc {
    min-width: 720px;
}

.availability-calendar .fc-theme-standard td,
.availability-calendar .fc-theme-standard th {
    border-color: var(--stroke);
}

.availability-calendar .fc-scrollgrid {
    border: 0;
}

.availability-calendar .fc-toolbar.fc-header-toolbar {
    margin: 0;
    padding: 4px 4px 10px;
    gap: 10px;
}

.availability-calendar .fc-toolbar-title {
    font-size: clamp(1rem, 4.2vw, 2rem);
    line-height: 1.15;
    white-space: normal;
    overflow-wrap: anywhere;
    text-wrap: balance;
}

.availability-calendar .fc-header-toolbar .fc-toolbar-chunk {
    min-width: 0;
}

.availability-calendar .fc-header-toolbar .fc-toolbar-chunk:nth-child(2) {
    flex: 1 1 auto;
}

.availability-calendar .fc-timegrid-slot,
.availability-calendar .fc-timegrid-axis {
    height: 2.6rem;
}

.availability-calendar .fc-col-header-cell-cushion,
.availability-calendar .fc-timegrid-axis-cushion,
.availability-calendar .fc-timegrid-slot-label-cushion {
    color: var(--ink);
    font-weight: 700;
}

.availability-calendar .fc-bg-event.availability-event--busy {
    background: rgba(132, 141, 152, 0.66);
    opacity: 0.9;
}

.availability-calendar .availability-lesson-event {
    background: linear-gradient(180deg, var(--brand), var(--brand-deep));
    border-color: transparent;
    color: #fff;
}

.availability-calendar .availability-lesson-event:hover,
.availability-calendar .availability-lesson-event:focus {
    background: linear-gradient(180deg, var(--brand), var(--brand-deep));
    border-color: transparent;
    color: #fff;
    filter: none;
}

.availability-calendar .availability-lesson-event:hover .fc-event-main,
.availability-calendar .availability-lesson-event:hover .fc-event-title,
.availability-calendar .availability-lesson-event:hover .fc-event-time {
    color: #fff;
}

.availability-calendar .fc-highlight {
    background: color-mix(in srgb, var(--brand) 24%, white);
}

.availability-grid {
    display: grid;
    grid-template-columns: 68px repeat(var(--availability-day-count, 7), minmax(96px, 1fr));
    width: max-content;
    min-width: 100%;
}

.availability-grid-header,
.availability-grid-time {
    padding: 6px 4px;
    background: rgba(15, 118, 110, 0.08);
    border-right: 1px solid var(--stroke);
    border-bottom: 1px solid var(--stroke);
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--ink);
}

.availability-grid-time {
    position: sticky;
    left: 0;
    z-index: 1;
    background: rgba(235, 246, 242, 0.98);
}

.availability-grid-time--sticky {
    z-index: 2;
}

.availability-slot {
    min-height: 40px;
    border: 0;
    border-right: 1px solid var(--stroke);
    border-bottom: 1px solid var(--stroke);
    background: rgba(255, 255, 255, 0.75);
    cursor: pointer;
    touch-action: none;
}

.availability-slot.is-available {
    background: color-mix(in srgb, var(--brand) 74%, white);
}

.availability-slot.is-unavailable {
    background: rgba(132, 141, 152, 0.56);
    box-shadow: inset 0 0 0 1px rgba(72, 82, 94, 0.45);
}

.availability-slot.is-empty {
    background: rgba(255, 255, 255, 0.75);
}

.availability-slot:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: -2px;
}

@media (max-width: 640px) {
    .availability-shell .send-link-card {
        padding: 10px 12px;
    }

    .availability-calendar .fc {
        min-width: 640px;
    }

    .availability-calendar .fc-toolbar-title {
        font-size: clamp(0.92rem, 6vw, 1.3rem);
        text-align: center;
    }

    .availability-grid {
        grid-template-columns: 64px repeat(var(--availability-day-count, 7), minmax(84px, 1fr));
    }

    .availability-grid-header,
    .availability-grid-time {
        font-size: 0.72rem;
        padding: 6px 4px;
    }

    .availability-mode-pill {
        padding: 7px 11px;
        font-size: 0.85rem;
    }
}

/* Modern Golf Tech dark theme layer */
:root,
:root[data-theme="basic"],
:root[data-theme="golf-lesson"],
:root[data-theme="fishing-guide"],
:root[data-theme="piano-lesson"] {
    color-scheme: dark;

    --bg-main: #0f1720;
    --bg-card: #18212b;
    --bg-elevated: #1f2a36;

    --primary: #2D7A3B;
    --primary-strong: #3fa85a;
    --accent: #f4c542;

    --text-primary: #e6edf3;
    --text-secondary: #9fb0c0;
    --text-muted: #6b7c8f;

    --border-subtle: rgba(255, 255, 255, 0.08);

    --radius-lg: 16px;
    --radius-md: 12px;

    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.4);

    --bg: var(--bg-main);
    --bg-accent: #121c26;
    --bg-glow-a: rgba(63, 168, 90, 0.18);
    --bg-glow-b: rgba(244, 197, 66, 0.1);
    --surface: var(--bg-card);
    --surface-strong: var(--bg-elevated);
    --surface-page: var(--bg-main);
    --surface-page-accent: #121c26;
    --surface-card: var(--bg-card);
    --surface-card-strong: var(--bg-elevated);
    --surface-soft: rgba(31, 42, 54, 0.78);
    --ink: var(--text-primary);
    --muted: var(--text-secondary);
    --text: var(--text-primary);
    --color-muted: var(--text-secondary);
    --text-link: var(--primary-strong);
    --brand: var(--primary);
    --brand-deep: #1f5a2a;
    --brand-primary: var(--primary);
    --brand-strong: var(--primary-strong);
    --brand-soft: rgba(63, 168, 90, 0.16);
    --accent-warm: var(--accent);
    --stroke: var(--border-subtle);
    --border-default: var(--border-subtle);
    --border-strong: rgba(255, 255, 255, 0.14);
    --focus-ring: rgba(63, 168, 90, 0.38);
    --hover-bg: rgba(63, 168, 90, 0.16);
    --shadow: var(--shadow-soft);
    --shadow-sm: var(--shadow-soft);
    --shadow-md: var(--shadow-soft);
    --shadow-lg: var(--shadow-soft);
    --shadow-dialog: 0 28px 70px rgba(0, 0, 0, 0.58);
    --card-background: var(--bg-card);
    --banner-accent: var(--primary-strong);
    --banner-glow: rgba(63, 168, 90, 0.22);
    --banner-bg-a: rgba(24, 33, 43, 0.98);
    --banner-bg-b: rgba(31, 42, 54, 0.96);
    --role-instructor-surface: rgba(24, 33, 43, 0.92);
    --role-student-surface: rgba(31, 42, 54, 0.92);
    --role-hub-surface: rgba(31, 42, 54, 0.92);
    --role-instructor-accent: rgba(63, 168, 90, 0.2);
    --role-student-accent: rgba(244, 197, 66, 0.18);
    --role-hub-accent: rgba(244, 197, 66, 0.18);
}

body {
    background:
        radial-gradient(circle at top left, var(--bg-glow-a), transparent 30%),
        radial-gradient(circle at bottom right, var(--bg-glow-b), transparent 34%),
        var(--bg-main);
    color: var(--text-primary);
}

body,
button,
input,
select,
textarea {
    color: var(--text-primary);
}

a {
    color: var(--primary-strong);
}

:is(h1, h2, h3, h4, h5, h6, .titlebar-brand, .section-title, .card-title, .panel-title, .tool-card-title) {
    color: var(--text-primary);
    font-weight: 800;
}

:is(p, small, label, .field-help, .helper-text, .meta, .timestamp, .profile-meta, .lesson-meta, .empty-state, .today-chat-empty) {
    color: var(--text-secondary);
}

/* Hero cards: intro line under section title (Capture / Summarize / Create Lesson) */
.send-link-card .panel-copy > p.lesson-panel-hint,
.summary-card > p.lesson-panel-hint {
    margin: 0;
    color: var(--text-secondary, var(--muted));
    font-size: var(--font-size-md);
    line-height: var(--line-relaxed);
}

:is(
    .titlebar,
    .send-link-card,
    .lesson-card,
    .today-chat-iphone,
    .today-lesson-row,
    .student-lesson-row,
    .home-card,
    .home-panel,
    .home-directory-panel,
    .today-panel,
    .settings-panel,
    .settings-menu-card,
    .profile-section,
    .email-panel,
    .email-card,
    .modal,
    .dialog,
    .overlay-panel,
    .menu-shell,
    .titlebar-profile-dropdown,
    .current-lesson-banner,
    .lesson-workspace,
    .lesson-workspace-panel,
    .upload-panel,
    .availability-shell,
    .availability-editor,
    .availability-grid-scroll,
    [class$="-card"],
    [class*="-card "],
    [class$="-panel"],
    [class*="-panel "],
    [class$="-surface"],
    [class*="-surface "]
) {
    background: var(--bg-card);
    border-color: var(--border-subtle);
    box-shadow: var(--shadow-soft);
    color: var(--text-primary);
}

body[data-app-surface="student"] .titlebar,
body[data-active-role="student"] .titlebar,
body[data-app-surface="instructor"] .titlebar,
body[data-active-role="instructor"] .titlebar,
body[data-app-surface="student"] .send-link-card,
body[data-active-role="student"] .send-link-card,
body[data-app-surface="instructor"] .send-link-card,
body[data-active-role="instructor"] .send-link-card {
    background: var(--bg-card);
    border-color: var(--border-subtle);
    box-shadow: var(--shadow-soft);
    color: var(--text-primary);
}

:is(
    .titlebar-profile-dropdown,
    .email-panel,
    .modal,
    .dialog,
    .overlay-panel,
    .availability-grid-scroll,
    .lesson-workspace-panel,
    .settings-menu-card,
    .home-pill-nav,
    .availability-segmented
) {
    background: var(--bg-elevated);
}

:is(.home-pill-nav, .availability-segmented, .tab-list, .segmented-control) {
    border: 1px solid var(--border-subtle);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), var(--shadow-soft);
}

:is(.home-pill-button, .availability-mode-pill, .tab-button, .titlebar-profile-dropdown__item) {
    color: var(--text-secondary);
}

.home-pill-button.is-active {
    background: var(--primary-strong);
    color: #ffffff;
    box-shadow: 0 10px 26px rgba(63, 168, 90, 0.38);
}

:is(.availability-mode-pill.is-active, .tab-button.is-active) {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #ffffff;
}

:is(.primary-action, .send-link-submit, .lesson-action-primary, .email-submit, .fc-button-primary) {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    border-color: rgba(63, 168, 90, 0.5);
    color: #ffffff;
    box-shadow: 0 10px 28px rgba(45, 122, 59, 0.28);
}

:is(.secondary-action, .ghost-action, .lesson-action-secondary, .email-panel-close) {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-subtle);
    color: var(--text-primary);
}

:is(input, select, textarea, .email-input, .lesson-input, .search-input) {
    background: var(--bg-elevated);
    border-color: var(--border-subtle);
    color: var(--text-primary);
}

:is(input, select, textarea, .email-input, .lesson-input, .search-input)::placeholder {
    color: var(--text-muted);
}

:is(input, select, textarea, button):focus-visible {
    outline-color: var(--primary-strong);
    box-shadow: 0 0 0 4px var(--focus-ring);
}

@media (prefers-reduced-motion: no-preference) {
    :is(
        button,
        [role="button"],
        .main-menu-card,
        .nav-card,
        .send-link-card,
        .settings-menu-card,
        .today-hero-card,
        .today-recent-lesson-card,
        .today-lesson-row,
        .student-lesson-row,
        .contact-row,
        .contact-edit-lesson-item,
        .lesson-workspace-card
    ) {
        transition-duration: 120ms;
        transition-timing-function: ease;
    }

    :is(button, [role="button"]):not(:disabled):active {
        transform: scale(0.97);
    }

    :is(
        .main-menu-card,
        .nav-card,
        .settings-menu-card,
        .today-recent-lesson-card,
        .today-lesson-row,
        .student-lesson-row,
        .contact-row,
        .contact-edit-lesson-item,
        .lesson-workspace-card
    ):hover {
        filter: brightness(1.03);
    }

    :is(
        .main-menu-card,
        .nav-card,
        .settings-menu-card,
        .today-recent-lesson-card,
        .today-lesson-row,
        .student-lesson-row,
        .contact-row,
        .contact-edit-lesson-item,
        .lesson-workspace-card
    ):active {
        transform: scale(0.99);
    }
}

@media (hover: hover) and (pointer: fine) {
    :is(button, [role="button"]):not(:disabled):hover {
        filter: brightness(1.05);
    }

    :is(.primary-action, .send-link-submit, .lesson-action-primary, .email-submit, .fc-button-primary, .today-chat-send-button, .today-hero-card__cta):not(:disabled):hover {
        box-shadow: 0 10px 28px rgba(63, 168, 90, 0.34), 0 0 0 1px rgba(63, 168, 90, 0.18);
    }
}

:is(.contact-row, .lesson-row, .today-chat-conversation, .message-row, .settings-row, .availability-grid-header, .availability-grid-time) {
    background: rgba(31, 42, 54, 0.72);
    border-color: var(--border-subtle);
    color: var(--text-primary);
}

.today-chat-iphone {
    box-shadow: inset 0 0 0 1px var(--border-subtle);
}

:is(.availability-slot, .availability-slot.is-empty, .fc-theme-standard td, .fc-theme-standard th) {
    background: rgba(24, 33, 43, 0.9);
    border-color: var(--border-subtle);
}

.availability-slot.is-available {
    background: color-mix(in srgb, var(--primary) 74%, var(--bg-elevated));
}

.availability-slot.is-unavailable {
    background: rgba(107, 124, 143, 0.46);
    box-shadow: inset 0 0 0 1px rgba(159, 176, 192, 0.18);
}

:is(.fc, .fc-scrollgrid, .fc-list, .fc-list-table, .fc-popover) {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

:is(.fc .fc-daygrid-day-number, .fc .fc-col-header-cell-cushion, .fc .fc-timegrid-axis-cushion, .fc .fc-timegrid-slot-label-cushion) {
    color: var(--text-secondary);
}

.fc .fc-day-today {
    background: rgba(244, 197, 66, 0.1);
}

:is(.status-badge, .pill, .tag, .chip, .badge) {
    background: rgba(63, 168, 90, 0.14);
    border-color: rgba(63, 168, 90, 0.24);
    color: var(--primary-strong);
}

:is(.warning, .highlight, .accent, .usage-highlight) {
    color: var(--accent);
}