@font-face {
  font-family: Onest;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/onest-cyrillic-ext.woff2') format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
@font-face {
  font-family: Onest;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/onest-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: Onest;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/fonts/onest-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  color-scheme: light;
  --tau-wine: #74163d;
  --tau-wine-dark: #55102f;
  --tau-wine-soft: #f6edf1;
  --tau-rose: #e9b7ca;
  --tau-rose-dark: #a84569;
  --tau-accent: #74163d;
  --ink: #2b1722;
  --ink-soft: #63525b;
  --muted: #806f78;
  --line: #ebdfe5;
  --line-strong: #d9c6d0;
  --page: #fbf8fa;
  --surface: #ffffff;
  --surface-soft: #f3eff1;
  --success: #236b52;
  --danger: #a23845;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --container: 1216px;
  --shadow-sm: 0 8px 24px rgba(55, 26, 40, .07);
  --shadow-focus: 0 0 0 3px rgba(116, 22, 61, .18);
  --motion-fast: 180ms;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: auto; scroll-padding-top: 100px; scrollbar-gutter: stable; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; }
[hidden] { display: none !important; }

a { color: var(--tau-wine); text-decoration: none; transition: color var(--motion-fast) ease, background-color var(--motion-fast) ease, border-color var(--motion-fast) ease, transform var(--motion-fast) ease; }
a:hover { color: var(--tau-wine-dark); }

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

button,
select { cursor: pointer; }

button:disabled { cursor: not-allowed; opacity: .56; }

:focus-visible { outline: 3px solid rgba(116, 22, 61, .58); outline-offset: 3px; }
::selection { background: rgba(116, 22, 61, .16); color: var(--ink); }

/* Re-map the existing Tailwind utilities to the TAU light palette. */
body.bg-dark,
body.bg-slate-950,
body.bg-slate-50 { background: var(--page) !important; color: var(--ink) !important; }
.bg-dark,
.bg-slate-50 { background-color: var(--surface-soft) !important; }
.bg-slate-950 { background-color: var(--page) !important; }
.bg-card,
.bg-white { background-color: var(--surface) !important; color: var(--ink) !important; }
.bg-brand,
.bg-primary,
.bg-secondary { background-color: var(--tau-wine) !important; background-image: none !important; color: #fff !important; }
body.bg-dark .bg-brand.text-white,
body.bg-dark .bg-primary.text-white,
body.bg-dark .bg-secondary.text-white { color: #fff !important; }
.bg-green-600\/80,
.bg-green-600 { background-color: #e5f2ec !important; color: #1e6049 !important; }
.bg-green-600\/80:hover,
.bg-green-600:hover { background-color: #d5eade !important; }
.bg-white\/5,
.bg-white\/10,
.bg-white\/\[0\.05\] { background-color: #f5f1f3 !important; }
body.bg-dark .text-white,
body.bg-dark .text-white\/90,
body.bg-dark .text-white\/80,
body.bg-dark .text-white\/70,
body.bg-dark .text-white\/60,
body.bg-dark .text-white\/50,
body.bg-dark .text-white\/40 { color: var(--ink) !important; }
.text-muted { color: var(--muted) !important; }
.text-accent { color: var(--tau-wine) !important; }
.border-white\/5,
.border-white\/10,
.border-white\/15,
.border-white\/20,
.border-white\/25 { border-color: var(--line) !important; }
.shadow-glow,
.shadow-lg { box-shadow: var(--shadow-sm) !important; }
.rounded-3xl { border-radius: var(--radius-lg) !important; }
.rounded-2xl { border-radius: var(--radius-md) !important; }
.rounded-xl { border-radius: 11px !important; }
.max-w-7xl { max-width: var(--container) !important; }
.line-clamp-1,
.line-clamp-2,
.line-clamp-3 { display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-1 { -webkit-line-clamp: 1; }
.line-clamp-2 { -webkit-line-clamp: 2; }
.line-clamp-3 { -webkit-line-clamp: 3; }

body [class*="text-green-"] { color: #236b52 !important; }
body [class*="text-emerald-"] { color: #236b52 !important; }
body [class*="text-blue-"] { color: #315d82 !important; }
body [class*="text-purple-"] { color: #684678 !important; }
body [class*="text-pink-"] { color: #8a4565 !important; }
body [class*="text-orange-"] { color: #875326 !important; }
body [class*="text-yellow-"] { color: #795d13 !important; }
body [class*="text-red-"] { color: #9d3b44 !important; }
body [class*="bg-green-"] { background-color: #eaf4ef !important; }
body [class*="bg-emerald-"] { background-color: #eaf4ef !important; }
body [class*="bg-blue-"] { background-color: #edf3f8 !important; }
body [class*="bg-purple-"] { background-color: #f2edf5 !important; }
body [class*="bg-pink-"] { background-color: #f7edf2 !important; }
body [class*="bg-orange-"] { background-color: #f8f0e7 !important; }
body [class*="bg-yellow-"] { background-color: #faf5e5 !important; }
body [class*="bg-red-"] { background-color: #f8eded !important; }
body [class*="border-green-"] { border-color: #c7e1d4 !important; }
body [class*="border-emerald-"] { border-color: #c7e1d4 !important; }
body [class*="border-blue-"] { border-color: #cad9e7 !important; }
body [class*="border-purple-"] { border-color: #ddcfe5 !important; }
body [class*="border-pink-"] { border-color: #ead0dc !important; }
body [class*="border-orange-"] { border-color: #ead7c1 !important; }
body [class*="border-yellow-"] { border-color: #eadba7 !important; }
body [class*="border-red-"] { border-color: #e9c9cc !important; }
body .text-blue-600,
body .text-blue-700 { color: var(--tau-wine) !important; }
body .hover\:text-blue-700:hover,
body .hover\:text-blue-600:hover { color: var(--tau-wine-dark) !important; }

body .bg-slate-900.text-white,
body .bg-blue-600.text-white,
body .bg-blue-700.text-white { color: #fff !important; background-color: var(--tau-wine) !important; }
body .bg-slate-900.text-white:hover,
body .bg-blue-600.text-white:hover,
body .bg-blue-700.text-white:hover { background-color: var(--tau-wine-dark) !important; }
body .bg-red-600.text-white,
body .bg-red-700.text-white { color: #fff !important; background-color: var(--danger) !important; }
body .bg-red-600.text-white:hover,
body .bg-red-700.text-white:hover { background-color: #852d38 !important; }
.tau-icon { display: inline-block; width: 1em; height: 1em; flex: 0 0 auto; vertical-align: -.16em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tau-icon.is-active { fill: currentColor; }
.video-reaction.is-selected { color: var(--tau-wine) !important; background: var(--tau-wine-soft) !important; border-color: #d7b9c7 !important; }

h1, h2, h3, h4 { color: var(--ink); line-height: 1.18; letter-spacing: -.025em; }
h1 { font-size: clamp(2rem, 4vw, 3.35rem); }
h2 { font-size: clamp(1.55rem, 2.7vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.45rem); }
p { line-height: 1.65; }

input,
select,
textarea {
  min-height: 46px;
  padding: 10px 13px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
}

textarea { min-height: 120px; resize: vertical; }
input::placeholder,
textarea::placeholder { color: #898087; opacity: 1; }
input:focus,
select:focus,
textarea:focus { border-color: var(--tau-wine); box-shadow: var(--shadow-focus); outline: 0; }

button:not(.site-mobile-menu summary),
.tau-button {
  min-height: 44px;
  border-radius: 10px;
  transition: color var(--motion-fast) ease, background-color var(--motion-fast) ease, border-color var(--motion-fast) ease, box-shadow var(--motion-fast) ease, transform var(--motion-fast) ease;
}

button:not(.site-mobile-menu summary):hover,
.tau-button:hover { transform: translateY(-1px); }

main[class*="max-w-"] { width: min(var(--container), calc(100% - 48px)); }
main[class*="max-w-"] input,
main[class*="max-w-"] select,
main[class*="max-w-"] textarea { max-width: 100%; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--ink-soft); font-size: .82rem; font-weight: 700; }
video { display: block; max-width: 100%; border-radius: var(--radius-md); background: #1b171a; }

.site-container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }

/* Shared TAU navigation. */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .97); border-bottom: 1px solid var(--line); box-shadow: 0 4px 16px rgba(55, 26, 40, .035); backdrop-filter: blur(14px); }
.site-header__topline { min-height: 30px; color: rgba(255,255,255,.86); background: var(--tau-wine-dark); font-size: 11px; letter-spacing: .08em; }
.site-header__topline-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 30px; }
.site-header__topline a { color: #fff; letter-spacing: .01em; }
.site-header__topline a:hover { color: var(--tau-rose); }
.site-header__inner { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: clamp(18px, 3vw, 44px); min-height: 76px; }
.site-brand { display: inline-flex; align-items: center; gap: 11px; min-width: 176px; color: var(--ink); }
.site-brand:hover { color: var(--tau-wine); }
.site-brand__copy { display: grid; line-height: 1.08; }
.site-nav--desktop { display: flex; justify-content: center; align-items: center; gap: clamp(15px, 2vw, 30px); }
.site-nav__link { position: relative; padding: 10px 0; color: var(--ink-soft); font-size: 14px; font-weight: 600; white-space: nowrap; }
.site-nav__link::after { position: absolute; right: 0; bottom: 4px; left: 0; height: 2px; content: ""; background: var(--tau-wine); transform: scaleX(0); transform-origin: left; transition: transform var(--motion-fast) ease; }
.site-nav__link:hover { color: var(--tau-wine); }
.site-nav__link:hover::after { transform: scaleX(1); }
.site-header__actions { display: flex; align-items: center; justify-content: flex-end; gap: 14px; }
.site-languages { display: flex; align-items: center; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: #faf8f7; }
.site-languages a { display: inline-flex; align-items: center; justify-content: center; min-width: 37px; min-height: 30px; padding: 4px 8px; color: var(--ink-soft); border-radius: 999px; font-size: 10px; font-weight: 700; letter-spacing: .04em; }
.site-languages a:hover { color: var(--tau-wine); background: #f0e6eb; }
.site-languages a.is-current { color: #fff; background: var(--tau-wine); }
.site-account { max-width: 150px; overflow: hidden; color: var(--ink-soft); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.site-header__login { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 0 16px; color: var(--tau-wine); border: 1px solid rgba(116,22,61,.28); border-radius: 9px; font-size: 13px; font-weight: 700; white-space: nowrap; }
.site-header__login:hover { color: #fff; background: var(--tau-wine); border-color: var(--tau-wine); }
.site-mobile-menu { display: none; position: relative; }
.site-mobile-menu summary { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px; color: var(--ink); border: 1px solid var(--line); border-radius: 10px; cursor: pointer; list-style: none; }
.site-mobile-menu summary::-webkit-details-marker { display: none; }
.site-mobile-menu summary svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.site-mobile-menu__label { font-size: 13px; font-weight: 650; }
.site-mobile-menu__panel { position: absolute; top: calc(100% + 12px); right: 0; z-index: 60; width: min(330px, calc(100vw - 32px)); padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 18px 48px rgba(36, 18, 28, .16); }
.site-mobile-menu__panel nav { display: grid; }
.site-mobile-menu__panel nav a { display: flex; align-items: center; justify-content: space-between; min-height: 46px; padding: 8px 10px; color: var(--ink); border-bottom: 1px solid var(--line); font-weight: 600; }
.site-mobile-menu__panel nav a:hover { color: var(--tau-wine); background: var(--tau-wine-soft); }
.site-mobile-menu__panel .site-languages { width: max-content; margin: 12px 0 2px; }

/* Homepage: clear hierarchy, course discovery, and learning formats. */
.home-page { overflow: hidden; }
.catalog-heading { padding: 8px 0 2px; }
.catalog-heading .section-kicker { margin: 0 0 10px; }
.catalog-heading h1 { margin: 0; font-size: clamp(2.2rem, 4.5vw, 3.5rem); }
.catalog-heading > p:last-child { max-width: 560px; margin: 12px 0 0; color: var(--ink-soft); }
.course-cover-mark { color: #fff; font-size: 23px; font-weight: 800; letter-spacing: .1em; }
.course-cover-mark span { padding-left: 10px; color: var(--tau-rose); font-size: 11px; letter-spacing: .13em; border-left: 1px solid rgba(255,255,255,.5); }
.home-hero { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); align-items: center; gap: clamp(38px, 7vw, 92px); padding-top: clamp(44px, 7vw, 88px); padding-bottom: clamp(54px, 8vw, 104px); }
.home-hero__copy { max-width: 660px; padding: 8px 0; }
.home-eyebrow,
.section-kicker { display: flex; align-items: center; gap: 9px; margin: 0 0 15px; color: var(--tau-wine); font-size: 11px; font-weight: 750; letter-spacing: .13em; line-height: 1.4; text-transform: uppercase; }
.home-eyebrow__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--tau-wine); box-shadow: 0 0 0 4px rgba(116,22,61,.13); }
.home-hero h1 { max-width: 720px; margin: 0; font-size: clamp(2.75rem, 6vw, 5.35rem); font-weight: 740; letter-spacing: -.065em; line-height: .99; }
.home-hero h1 span { color: var(--tau-wine); }
.home-hero__lead { max-width: 540px; margin: 24px 0 0; color: var(--ink-soft); font-size: clamp(1.02rem, 1.35vw, 1.18rem); line-height: 1.7; }
.home-hero__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.tau-button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 48px; padding: 0 19px; border: 1px solid transparent; font-size: 14px; font-weight: 700; text-align: center; }
.tau-button--primary { color: #fff !important; background: var(--tau-wine) !important; border-color: var(--tau-wine); }
.tau-button--primary:hover { color: #fff !important; background: var(--tau-wine-dark) !important; border-color: var(--tau-wine-dark); box-shadow: 0 8px 18px rgba(116,22,61,.16); }
.tau-button--quiet { color: var(--ink) !important; background: transparent; border-color: var(--line-strong); }
.tau-button--quiet:hover,
.tau-button--outline:hover { color: var(--tau-wine) !important; background: var(--tau-wine-soft); border-color: rgba(116,22,61,.38); }
.tau-button--outline { color: var(--tau-wine) !important; background: #fff; border-color: rgba(116,22,61,.3); }
.tau-button--small { min-height: 38px; padding: 0 12px; font-size: 12px; }
.home-hero__note { display: flex; align-items: center; gap: 12px; margin: 29px 0 0; color: var(--muted); font-size: 12px; }
.home-hero__note span { color: var(--tau-wine); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.home-hero__visual { position: relative; min-width: 0; margin: 0; padding: 0 0 28px 28px; }
.home-hero__visual::before { position: absolute; top: 28px; right: 0; bottom: 0; left: 0; z-index: -1; content: ""; border: 1px solid rgba(116,22,61,.24); border-radius: 12px; }
.home-hero__visual img { display: block; width: 100%; aspect-ratio: 1.16; border-radius: 10px; background: var(--surface-soft); object-fit: cover; object-position: center; box-shadow: var(--shadow-sm); }
.home-hero__visual figcaption { position: absolute; right: 45px; bottom: 0; display: flex; align-items: center; gap: 11px; min-height: 43px; padding: 0 14px; color: var(--ink-soft); background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 6px 20px rgba(36,18,28,.08); font-size: 12px; }
.home-hero__visual figcaption span { color: var(--tau-wine); font-size: 11px; font-weight: 800; letter-spacing: .1em; }

.home-search { display: grid; grid-template-columns: minmax(200px, .75fr) minmax(0, 1.7fr); align-items: center; gap: 26px; padding-top: 28px; padding-bottom: 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.home-search__intro .section-kicker { margin-bottom: 5px; }
.home-search__intro h2 { margin: 0; font-size: 23px; }
.home-search__intro p:last-child { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.course-search { display: grid; grid-template-columns: minmax(170px, 1fr) 190px auto; align-items: center; gap: 9px; }
.course-search__query { position: relative; min-width: 0; }
.course-search__query svg { position: absolute; top: 50%; left: 14px; width: 19px; height: 19px; fill: none; stroke: #81767d; stroke-width: 1.7; stroke-linecap: round; transform: translateY(-50%); }
.course-search__query input { width: 100%; padding-left: 43px; }
.course-search select { width: 100%; }
.course-search__result { grid-column: 2; display: flex; align-items: center; gap: 8px; margin: -13px 0 0; color: var(--muted); font-size: 12px; }
.course-search__result strong { color: var(--ink); }
.course-search__result a { font-weight: 650; }

.home-paths { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); padding-top: 28px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.home-path { display: grid; grid-template-columns: 36px 1fr 20px; align-items: start; gap: 14px; padding: 12px 24px; color: var(--ink); border-right: 1px solid var(--line); }
.home-path:first-child { padding-left: 0; }
.home-path:last-child { border-right: 0; }
.home-path__number { padding-top: 3px; color: var(--tau-wine); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.home-path strong,
.home-path small { display: block; }
.home-path strong { font-size: 15px; }
.home-path small { margin-top: 3px; color: var(--muted); font-size: 12px; line-height: 1.5; }
.home-path__arrow { justify-self: end; color: var(--tau-wine); font-size: 17px; transition: transform var(--motion-fast) ease; }
.home-path:hover { color: var(--tau-wine); }
.home-path:hover .home-path__arrow { transform: translate(2px, -2px); }

.home-courses { padding-top: clamp(44px, 6vw, 72px); padding-bottom: clamp(48px, 7vw, 80px); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 23px; }
.section-heading .section-kicker { margin-bottom: 7px; }
.section-heading h2 { margin: 0; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--tau-wine); font-size: 13px; font-weight: 750; }
.text-link:hover { color: var(--tau-wine-dark); }
.text-link span { font-size: 17px; transition: transform var(--motion-fast) ease; }
.text-link:hover span { transform: translateX(3px); }
.home-course-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.home-course-card { min-width: 0; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 12px; transition: box-shadow var(--motion-fast) ease, transform var(--motion-fast) ease, border-color var(--motion-fast) ease; }
.home-course-card:hover { border-color: #d5c0ca; box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.home-course-card__media { display: block; overflow: hidden; background: var(--tau-wine-soft); }
.home-course-card__media img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 240ms ease; }
.home-course-card__placeholder { display: flex; width: 100%; aspect-ratio: 16 / 9; }
.home-course-card:hover .home-course-card__media img { transform: scale(1.025); }
.home-course-card__placeholder { align-items: center; justify-content: center; gap: 11px; color: #fff; background: var(--tau-wine); }
.home-course-card__placeholder span:first-child { font-size: 22px; font-weight: 800; letter-spacing: .08em; }
.home-course-card__placeholder span:last-child { align-self: center; padding-left: 12px; border-left: 1px solid rgba(255,255,255,.45); font-size: 11px; letter-spacing: .1em; }
.home-course-card__body { position: relative; padding: 17px 18px 18px; }
.home-course-card__meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 10px; letter-spacing: .055em; text-transform: uppercase; }
.home-course-card__meta span:last-child { color: var(--tau-wine); letter-spacing: 0; text-transform: none; }
.home-course-card h3 { min-height: 2.36em; margin: 11px 0 0; font-size: 19px; line-height: 1.22; }
.home-course-card h3 a { color: var(--ink); }
.home-course-card h3 a:hover { color: var(--tau-wine); }
.home-course-card__teacher { margin: 9px 0 0; color: var(--muted); font-size: 12px; }
.home-course-card__description { display: -webkit-box; min-height: 3.2em; margin: 10px 0 0; overflow: hidden; color: var(--ink-soft); font-size: 13px; line-height: 1.6; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.home-course-card__actions { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 17px; padding-top: 14px; border-top: 1px solid var(--line); }
.home-course-card__actions form { margin: 0; }
.home-course-card__like { margin-top: 11px; }
.home-course-card__like button { min-height: 30px; padding: 0; color: var(--muted); background: transparent; border: 0; font-size: 11px; }
.home-course-card__like button:hover,
.home-course-card__like button[aria-pressed="true"] { color: var(--tau-wine); }
.home-course-card__social { margin: 13px 0 0; color: var(--muted); font-size: 11px; }
.empty-state { display: grid; justify-items: start; gap: 8px; padding: 35px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.empty-state__index { color: var(--tau-wine); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
.empty-state h3 { margin: 0; }
.empty-state p { margin: 0; color: var(--muted); }
.pagination { display: flex; align-items: center; justify-content: center; gap: 15px; margin-top: 27px; color: var(--muted); font-size: 13px; }
.pagination a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border: 1px solid var(--line); border-radius: 9px; font-weight: 650; }
.pagination a:hover { background: var(--tau-wine-soft); border-color: #d5bbc7; }

/* Shared footer. */
.site-footer { color: rgba(255,255,255,.83); background: #2e1823; }
.site-footer__inner { display: grid; grid-template-columns: minmax(180px, .9fr) 1.5fr; gap: 24px 48px; padding-top: 34px; padding-bottom: 22px; }
.site-footer__wordmark { color: #fff; font-size: 18px; font-weight: 800; letter-spacing: .08em; }
.site-footer__wordmark span { color: var(--tau-rose); font-size: 11px; }
.site-footer__logo { display: block; width: fit-content; padding: 5px 10px; background: #351123; border-radius: 6px; }
.site-footer__logo img { display: block; width: 132px; height: 78px; object-fit: contain; }
.site-footer__brand p { margin: 6px 0 0; color: rgba(255,255,255,.65); font-size: 12px; }
.site-footer__links { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 12px 24px; }
.site-footer__links a { color: rgba(255,255,255,.82); font-size: 12px; }
.site-footer__links a:hover { color: var(--tau-rose); }
.site-footer__legal { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 14px; padding-top: 16px; color: rgba(255,255,255,.48); border-top: 1px solid rgba(255,255,255,.14); font-size: 10px; }

/* Existing account forms and dense learning/admin screens. */
body:has(form[action^="/reset-password"]),
body:has(form[action="/forgot-password"]) { background: linear-gradient(135deg, #fbf9f8, #f3ecef) !important; }
body:has(form[action^="/reset-password"]) > form,
body:has(form[action="/forgot-password"]) > form,
body:has(form[action^="/reset-password"]) main > div,
body:has(form[action="/forgot-password"]) main > div,
body:has(form[action="/forgot-password"]) > main > form { width: min(100% - 32px, 500px); margin: 7vh auto; padding: clamp(24px, 5vw, 40px) !important; background: #fff !important; border: 1px solid var(--line) !important; border-radius: 16px !important; box-shadow: 0 16px 52px rgba(55,26,40,.09) !important; }
body:has(form[action^="/reset-password"]) h1,
body:has(form[action="/forgot-password"]) h1 { margin-top: 0; color: var(--ink); letter-spacing: -.04em; }
body:has(form[action^="/reset-password"]) > form input,
body:has(form[action="/forgot-password"]) > form input,
body:has(form[action^="/reset-password"]) input,
body:has(form[action="/forgot-password"]) input { width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 1040px) {
  .site-header__inner { grid-template-columns: auto 1fr auto; gap: 16px; }
  .site-nav--desktop { gap: 15px; }
  .site-nav__link { font-size: 13px; }
  .site-header__actions { gap: 8px; }
  .site-account { display: none; }
  .home-hero { gap: 42px; }
  .home-course-grid { gap: 14px; }
  .home-course-card__body { padding: 15px; }
}

@media (max-width: 820px) {
  .site-header__inner { grid-template-columns: 1fr auto; min-height: 68px; }
  .site-nav--desktop,
  .site-header__actions--desktop { display: none; }
  .site-mobile-menu { display: block; }
  .home-hero { grid-template-columns: minmax(0, 1fr) minmax(250px, .8fr); gap: 26px; padding-top: 55px; }
  .home-hero h1 { font-size: clamp(2.55rem, 7vw, 4rem); }
  .home-hero__visual { padding-left: 15px; }
  .home-search { grid-template-columns: 1fr; gap: 18px; }
  .course-search__result { grid-column: 1; }
  .home-path { padding-inline: 14px; }
  .home-course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  html { scroll-padding-top: 78px; }
  .site-container { width: min(var(--container), calc(100% - 32px)); }
  .site-header__topline { font-size: 9px; }
  .site-header__topline-inner { min-height: 28px; }
  .site-brand { min-width: 0; gap: 9px; }
  .site-mobile-menu__label { display: none; }
  .site-mobile-menu summary { justify-content: center; width: 44px; padding: 0; }
  .home-hero { grid-template-columns: 1fr; gap: 26px; padding-top: 42px; padding-bottom: 44px; }
  .home-hero h1 { font-size: clamp(2.65rem, 12vw, 4.2rem); }
  .home-hero__lead { margin-top: 18px; font-size: 1rem; }
  .home-hero__visual { width: min(100%, 440px); margin-inline: auto; padding: 0 0 20px 15px; }
  .home-hero__visual::before { top: 15px; }
  .home-hero__visual img { aspect-ratio: 1.28; }
  .home-hero__visual figcaption { right: 18px; min-height: 38px; font-size: 10px; }
  .home-search { padding-top: 24px; padding-bottom: 24px; }
  .course-search { grid-template-columns: 1fr 1fr; }
  .course-search__query { grid-column: 1 / -1; }
  .course-search select { min-width: 0; }
  .course-search > button { width: 100%; padding-inline: 10px; }
  .home-paths { grid-template-columns: 1fr; padding-top: 12px; padding-bottom: 12px; }
  .home-path,
  .home-path:first-child { padding: 13px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .home-path:last-child { border-bottom: 0; }
  .home-course-grid { grid-template-columns: 1fr; }
  .home-course-card__body { padding: 17px; }
  .section-heading { align-items: start; }
  .section-heading > .text-link { margin-top: 7px; white-space: nowrap; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 18px; }
  .site-footer__links { justify-content: flex-start; gap: 12px 18px; }
  .site-footer__legal { flex-direction: column; gap: 4px; }
  main[class*="max-w-"] { width: calc(100% - 32px); padding-right: 0 !important; padding-left: 0 !important; }
  body:has(form[action^="/reset-password"]) > form,
  body:has(form[action="/forgot-password"]) > form,
  body:has(form[action^="/reset-password"]) main > div,
  body:has(form[action="/forgot-password"]) main > div,
  body:has(form[action="/forgot-password"]) > main > form { margin-top: 4vh; }
  table { display: block; overflow-x: auto; white-space: nowrap; }
}

/* TAU MOOC — editorial interface system, inspired by Osmo's clarity and rhythm. */
:root {
  --container: 1280px;
  --radius-sm: 7px;
  --radius-md: 12px;
  --radius-lg: 18px;
}

body { background: var(--page); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", Arial, sans-serif; }
html { scroll-padding-top: 112px; }
a { text-underline-offset: .2em; }
:focus-visible { outline: 3px solid var(--tau-accent); outline-offset: 3px; }
::selection { color: #fff; background: var(--tau-wine); }

/* A compact dark navigation keeps the university mark and all existing paths. */
.site-header { padding: 10px 0; background: rgba(251,248,250,.94); border: 0; box-shadow: none; backdrop-filter: blur(16px); }
.site-header--home { padding-bottom: 0; }
.site-header__topline { display: none; }
.site-header__inner { width: min(1040px,calc(100% - 48px)); min-height: 66px; padding: 8px 14px; background: #351123; border: 1px solid rgba(255,255,255,.1); border-radius: 12px; box-shadow: 0 10px 28px rgba(73,13,42,.13); }
.site-brand { min-width: 0; gap: 10px; color: #fff; }
.site-brand:hover { color: var(--tau-rose); }
.site-nav--desktop { gap: clamp(15px, 2vw, 27px); }
.site-nav__link { color: rgba(255,255,255,.8); font-size: 13px; font-weight: 550; }
.site-nav__link::after { height: 2px; background: var(--tau-rose); }
.site-nav__link:hover { color: var(--tau-rose); }
.site-header__actions { gap: 10px; }
.site-languages { gap: 1px; padding: 2px; background: #4c2137; border-color: #71435a; }
.site-languages a { min-width: 35px; min-height: 30px; color: rgba(255,255,255,.76); font-size: 9px; }
.site-languages a:hover { color: #fff; background: #71435a; }
.site-languages a.is-current { color: #351123; background: var(--tau-rose); }
.site-account { color: rgba(255,255,255,.78); }
.site-header__login { min-height: 39px; padding-inline: 15px; color: #351123; background: var(--tau-rose); border-color: var(--tau-rose); border-radius: 8px; font-size: 12px; }
.site-header__login:hover { color: #351123; background: #f5d5e1; border-color: #f5d5e1; }
.site-mobile-menu summary { color: #fff; border-color: #71435a; background: #4c2137; }
.site-mobile-menu__panel { color: #fff; background: #351123; border-color: #71435a; box-shadow: 0 18px 48px rgba(54,15,34,.24); }
.site-mobile-menu__panel nav a { min-height: 48px; color: rgba(255,255,255,.9); border-color: rgba(255,255,255,.12); }
.site-mobile-menu__panel nav a:hover { color: var(--tau-rose); background: #4c2137; }

.home-page { overflow: clip; }
.home-ticker { width: min(1040px,calc(100% - 48px)); margin: 0 auto; overflow: hidden; color: #fff; background: var(--tau-wine); border-radius: 3px; }
.site-header--home .home-ticker { margin-top: 10px; }
.home-ticker__track { display: flex; align-items: center; justify-content: space-between; gap: clamp(12px, 2vw, 32px); width: 100%; min-height: 29px; padding-inline: 14px; }
.home-ticker__item { display: inline-flex; align-items: center; gap: 10px; font-size: 9px; font-weight: 630; letter-spacing: .075em; line-height: 1.25; text-transform: uppercase; white-space: nowrap; }
.home-ticker__item::before { color: var(--tau-rose); content: "✳"; font-size: 15px; }
.home-ticker__item:last-child { margin-left: auto; }
.home-hero { position: relative; grid-template-columns: minmax(0, 1.12fr) minmax(330px, .88fr); gap: clamp(34px, 5.5vw, 78px); padding-top: clamp(50px, 7vw, 88px); padding-bottom: clamp(60px, 8vw, 104px); }
.home-hero__copy { max-width: 700px; }
.home-eyebrow,.section-kicker { color: var(--tau-wine); font-size: 10px; letter-spacing: .14em; }
.home-eyebrow__dot { width: 8px; height: 8px; background: var(--tau-wine); box-shadow: 0 0 0 4px rgba(116,22,61,.14); }
.home-hero h1 { max-width: 740px; font-size: clamp(3.1rem, 6.25vw, 6.1rem); font-weight: 560; letter-spacing: -.055em; line-height: .98; }
.home-hero h1 span { display: inline; padding: 0; color: var(--tau-wine); background: transparent; }
.home-hero__lead { max-width: 500px; margin-top: 22px; color: #55574f; font-size: clamp(1rem,1.3vw,1.12rem); line-height: 1.65; }
.home-hero__actions { margin-top: 24px; }
.tau-button { min-height: 48px; border-radius: 7px; }
.tau-button--primary { color: #fff !important; background: var(--tau-wine) !important; border-color: var(--tau-wine); }
.tau-button--primary:hover { color: #fff !important; background: var(--tau-wine-dark) !important; border-color: var(--tau-wine-dark); box-shadow: none; }
.tau-button--quiet { border-color: #b7b9af; }
.tau-button--quiet:hover,.tau-button--outline:hover { color: var(--tau-wine) !important; background: var(--tau-wine-soft); border-color: #d4b5c2; }
.tau-button--outline { color: var(--tau-wine) !important; border-color: #d4b5c2; }
.home-hero__note { margin-top: 24px; }
.home-hero__note span { color: var(--tau-accent); }
.home-hero__visual { padding: 0 0 25px 25px; }
.home-hero__visual::before { top: 25px; border-color: rgba(112,86,217,.45); border-radius: 3px; }
.home-hero__visual img { aspect-ratio: 1.05; border-radius: 3px; box-shadow: none; }
.home-hero__visual figcaption { right: 32px; min-height: 40px; padding-inline: 13px; border-radius: 3px; box-shadow: none; }
.home-hero__visual figcaption span { color: #8c2046; }
.home-search { gap: 30px; padding-block: 28px; }
.home-search__intro h2 { font-size: 22px; letter-spacing: -.045em; }
.course-search { gap: 8px; }
.course-search input,.course-search select { border-radius: 7px; }
.home-paths { padding-block: 19px 23px; }
.home-path { padding-block: 11px; }
.home-path__number,.home-path__arrow { color: var(--tau-accent); }
.home-path:hover { color: #1c1d19; }
.home-path strong { font-size: 15px; letter-spacing: -.02em; }
.home-courses { padding-block: clamp(48px,7vw,82px); }
.section-heading { margin-bottom: 26px; }
.section-heading h2 { font-size: clamp(2rem,3.5vw,3rem); letter-spacing: -.065em; }
.text-link { color: var(--tau-wine); }
.text-link:hover { color: var(--tau-wine-dark); }
.home-course-grid { gap: 18px; }
.home-course-card { border-radius: 3px; box-shadow: none; }
.home-course-card:hover { border-color: #babbb2; box-shadow: 0 12px 28px rgba(22,23,19,.08); transform: translateY(-3px); }
.home-course-card__media { background: #e8e9e2; }
.home-course-card__media img { aspect-ratio: 1.4; }
.home-course-card__placeholder { color: #fff; background: var(--tau-wine); }
.home-course-card__placeholder span:last-child { border-color: rgba(23,24,21,.4); }
.home-course-card__body { padding: 18px; }
.home-course-card__meta span:last-child,.home-course-card h3 a:hover,.home-course-card__like button:hover,.home-course-card__like button[aria-pressed="true"] { color: var(--tau-wine); }
.home-course-card h3 { font-size: 20px; letter-spacing: -.04em; }
.empty-state { gap: 9px; padding: clamp(24px,4vw,42px); background: transparent; border: 1px solid var(--line-strong); border-radius: 3px; }
.empty-state__index { color: var(--tau-wine); }
.pagination a { border-radius: 4px; }
.site-footer { color: rgba(255,255,255,.78); background: #2d0e20; }
.site-footer__inner { padding-block: 36px 22px; }
.site-footer__wordmark span { color: var(--tau-rose); }
.site-footer__links a:hover { color: var(--tau-rose); }

/* Editorial catalog and resource surfaces. */
.catalog-page { padding-top: clamp(36px,6vw,72px) !important; padding-bottom: 84px !important; }
.catalog-page__heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 34px; }
.catalog-page__heading .section-kicker { margin-bottom: 10px; }
.catalog-page__heading h1 { margin: 0; font-size: clamp(3rem,7vw,5.6rem); font-weight: 560; letter-spacing: -.055em; line-height: .99; }
.catalog-page__heading > p,.catalog-page__heading-copy > p:last-child { max-width: 500px; margin: 14px 0 0; color: var(--ink-soft); font-size: 16px; }
.catalog-page__count { flex: 0 0 auto; padding: 10px 0; color: var(--muted); border-bottom: 1px solid var(--line-strong); font-size: 12px; }
.catalog-page__search { margin-bottom: 24px; padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: 5px; }
.catalog-page__search form { gap: 9px; }
.catalog-page__search input,.catalog-page__search select { min-height: 48px; border-radius: 4px; }
.catalog-page__search button { min-height: 48px; border-radius: 4px; }
.catalog-page__grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px 20px; }
.catalog-course { min-width: 0; background: transparent !important; border: 0 !important; border-radius: 0 !important; box-shadow: none !important; }
.catalog-course__media { position: relative; display: block; overflow: hidden; aspect-ratio: 1.28; background: #e9eae3; }
.catalog-course__media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 260ms ease; }
.catalog-course:hover .catalog-course__media img { transform: scale(1.025); }
.catalog-course__fallback { display: grid; align-content: end; width: 100%; height: 100%; padding: 18px; color: #fff; background: var(--tau-wine); }
.catalog-course__fallback small { font-size: 10px; font-weight: 750; letter-spacing: .12em; }
.catalog-course__fallback strong { max-width: 80%; margin-top: 22px; font-size: clamp(19px,2vw,28px); letter-spacing: -.05em; line-height: 1.05; }
.catalog-course__body { padding: 16px 0 0 !important; }
.catalog-course__meta { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.catalog-course__meta strong { color: var(--tau-wine); font-size: 11px; letter-spacing: 0; text-transform: none; }
.catalog-course h2 { margin: 10px 0 0; font-size: clamp(19px,2.2vw,24px); letter-spacing: -.055em; }
.catalog-course h2 a { color: var(--ink); }
.catalog-course h2 a:hover { color: var(--tau-wine); }
.catalog-course__teacher,.catalog-course__description { color: var(--muted); font-size: 12px; }
.catalog-course__description { margin-top: 10px; }
.catalog-course__actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; padding-top: 13px; border-top: 1px solid var(--line); }
.catalog-course__actions button,.catalog-course__actions a { min-height: 38px; }
.catalog-course__empty { grid-column: 1 / -1; padding: 32px; color: var(--ink-soft); background: transparent !important; border: 1px solid var(--line-strong) !important; border-radius: 3px !important; }
.course-detail { padding-top: 42px !important; padding-bottom: 72px !important; }
.course-detail > .bg-card,.course-detail > section.bg-card { border-radius: 4px !important; box-shadow: none !important; }
/* Shared readable states for older learner, teacher, and administrator views. */
.bg-card,.bg-white { border-color: var(--line) !important; }
.bg-brand,.bg-primary,.bg-secondary { color: #fff !important; background: var(--tau-wine) !important; border-color: var(--tau-wine) !important; }
.bg-brand.text-white,.bg-primary.text-white,.bg-secondary.text-white { color: #fff !important; }
body .bg-slate-900.text-white,body .bg-blue-600.text-white,body .bg-blue-700.text-white { color: #fff !important; background: var(--tau-wine) !important; }
body [class*="text-blue-"] { color: var(--tau-wine) !important; }
.site-footer__legal { border-color: rgba(255,255,255,.13); }
main[class*="max-w-"] { padding-top: clamp(28px,5vw,56px) !important; padding-bottom: 64px !important; }
main[class*="max-w-"] > h1:first-child { margin-top: 0; font-size: clamp(2.1rem,5vw,3.8rem); font-weight: 680; letter-spacing: -.065em; }
main[class*="max-w-"] .rounded-2xl,main[class*="max-w-"] .rounded-3xl { border-radius: 5px !important; }
main[class*="max-w-"] .shadow-glow,main[class*="max-w-"] .shadow-lg { box-shadow: none !important; }
main[class*="max-w-"] input,main[class*="max-w-"] select,main[class*="max-w-"] textarea { border-radius: 5px; }
body:has(form[action^="/reset-password"]),body:has(form[action="/forgot-password"]) { background: #f0f0ec !important; }
body:has(form[action^="/reset-password"]) > form,body:has(form[action="/forgot-password"]) > form,body:has(form[action^="/reset-password"]) main > div,body:has(form[action="/forgot-password"]) main > div,body:has(form[action="/forgot-password"]) > main > form { border-radius: 5px !important; box-shadow: 0 20px 60px rgba(22,23,19,.08) !important; }

@media (max-width: 1040px) {
  .site-header__inner { grid-template-columns: auto minmax(0,1fr) auto; gap: 15px; }
  .site-nav--desktop { gap: 14px; }
  .site-header__actions { gap: 7px; }
  .home-hero { grid-template-columns: minmax(0,1fr) minmax(280px,.82fr); gap: 34px; }
  .home-hero h1 { font-size: clamp(3rem,6.1vw,5.2rem); }
  .catalog-page__grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 820px) {
  html { scroll-padding-top: 88px; }
  .site-header { padding-block: 7px; }
  .site-header--home .home-ticker { margin-top: 7px; }
  .site-header__inner { grid-template-columns: 1fr auto; min-height: 64px; }
  .home-ticker__track { width: calc(100% - 32px); min-height: 38px; gap: 24px; }
  .home-ticker__item { font-size: 9px; }
  .home-ticker__item:last-child { display: none; }
  .home-hero { grid-template-columns: minmax(0,1fr) minmax(240px,.8fr); gap: 24px; padding-top: 48px; }
  .home-hero h1 { font-size: clamp(2.65rem,7vw,4.5rem); }
  .catalog-page__heading { align-items: start; }
  .catalog-page__heading h1 { font-size: clamp(2.8rem,9vw,5rem); }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 78px; }
  .site-container { width: calc(100% - 32px); }
  .site-header__inner { padding-inline: 10px; }
  .home-ticker__track { justify-content: flex-start; min-height: 36px; }
  .home-ticker__item { gap: 8px; font-size: 8px; }
  .home-ticker__item:nth-child(n+3) { display: none; }
  .home-hero { grid-template-columns: 1fr; gap: 28px; padding-top: 40px; padding-bottom: 48px; }
  .home-hero h1 { font-size: clamp(2.7rem,12.3vw,4.2rem); line-height: .94; }
  .home-hero__lead { margin-top: 18px; }
  .home-hero__visual { width: min(100%,440px); padding: 0 0 18px 14px; }
  .home-hero__visual::before { top: 14px; }
  .home-hero__visual::after { top: -18px; left: -3px; font-size: 38px; }
  .home-hero__visual img { aspect-ratio: 1.25; }
  .home-hero__visual figcaption { right: 13px; min-height: 36px; font-size: 10px; }
  .home-search { padding-block: 22px; }
  .home-paths { grid-template-columns: 1fr; }
  .home-path,.home-path:first-child { padding: 13px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .home-path:last-child { border-bottom: 0; }
  .section-heading { align-items: start; }
  .section-heading h2 { font-size: 2.15rem; }
  .catalog-page__heading { display: block; margin-bottom: 24px; }
  .catalog-page__count { display: inline-flex; margin-top: 18px; }
  .catalog-page__grid { grid-template-columns: 1fr; gap: 30px; }
  .catalog-course__media { aspect-ratio: 1.35; }
  .catalog-page__search { padding: 10px; }
  .quick-battle-form { grid-template-columns: 1fr; padding: 14px; }
  .quick-battle-form > button,.quick-battle-form__note { grid-column: 1; }
  .quick-battle-form > button { justify-self: stretch; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 18px; }
  .site-footer__links { justify-content: flex-start; gap: 12px 18px; }
  .site-footer__legal { flex-direction: column; gap: 5px; }
}
@media (max-width: 360px) {
  .home-hero h1 { font-size: 2.55rem; }
  .home-hero__actions .tau-button { padding-inline: 13px; }
}

/* The home hero uses the real learning materials as a loose editorial collage. */
.home-hero--collage { display: block; padding-top: clamp(48px,5vw,78px); padding-bottom: clamp(36px,5vw,62px); text-align: center; }
.home-hero--collage .home-hero__copy { max-width: 1120px; margin-inline: auto; }
.home-hero--collage .home-eyebrow { justify-content: center; }
.home-hero--collage h1 { max-width: none; font-size: clamp(3.1rem,6.5vw,6.5rem); font-weight: 560; letter-spacing: -.055em; line-height: .98; }
.home-hero--collage h1 span { display: inline-block; }
.home-hero--collage .home-hero__lead { max-width: 690px; margin: 24px auto 0; color: var(--ink-soft); font-size: clamp(1.05rem,1.6vw,1.35rem); line-height: 1.48; }
.home-hero--collage .home-hero__actions { justify-content: center; margin-top: 23px; }
.home-hero--collage .home-hero__note { justify-content: center; margin-top: 13px; }
.home-collage { position: relative; isolation: isolate; width: min(1280px,calc(100vw - 48px)); height: clamp(370px,39vw,540px); margin: clamp(14px,2vw,25px) auto 0; }
.collage-card { position: absolute; width: clamp(220px,24vw,340px); margin: 0; padding: 7px 7px 0; overflow: hidden; color: #fff; background: #351123; border: 1px solid rgba(255,255,255,.12); box-shadow: 0 18px 44px rgba(73,13,42,.2); transform: translate3d(var(--scroll-x,0px),var(--scroll-y,0px),0) rotate(calc(var(--card-rotation) + var(--scroll-rotation,0deg))); transition: transform 240ms cubic-bezier(.2,.7,.2,1), box-shadow 240ms ease; will-change: transform; }
.collage-card__screen { display: block; overflow: hidden; aspect-ratio: 1.42; background: #efede6; }
.collage-card__screen img { display: block; width: 100%; height: 100%; object-fit: cover; }
.collage-card--database .collage-card__screen img { object-position: center; }
.collage-card figcaption { display: grid; gap: 4px; min-height: 58px; padding: 10px 9px 11px; text-align: left; }
.collage-card figcaption span { color: var(--tau-rose); font-size: 8px; font-weight: 750; letter-spacing: .12em; }
.collage-card figcaption strong { overflow: hidden; color: #fff; font-size: 13px; font-weight: 600; letter-spacing: -.015em; text-overflow: ellipsis; white-space: nowrap; }
.collage-card--lab { --card-rotation: -12deg; z-index: 1; top: 62px; left: 1%; width: clamp(230px,23vw,320px); }
.collage-card--database { --card-rotation: -7deg; z-index: 2; top: 4px; left: 25%; width: clamp(230px,23vw,315px); }
.collage-card--people { --card-rotation: 4deg; z-index: 3; top: 82px; left: 48%; width: clamp(260px,27vw,370px); }
.collage-card--statistics { --card-rotation: 12deg; z-index: 2; top: 22px; right: 0; width: clamp(230px,23vw,320px); }
.home-collage__spark { position: absolute; z-index: 4; top: 45%; left: 47%; color: var(--tau-wine); font-size: clamp(42px,6vw,76px); line-height: 1; pointer-events: none; }
@media (hover:hover) and (pointer:fine) {
  .collage-card:hover { z-index: 5; box-shadow: 0 28px 55px rgba(36,18,28,.24); transform: translate3d(var(--scroll-x,0px),calc(var(--scroll-y,0px) - 9px),0) rotate(0deg) scale(1.015); }
}
@media (max-width: 1040px) {
  .home-hero--collage h1 { font-size: clamp(3rem,6.6vw,5.2rem); }
  .home-collage { width: calc(100vw - 32px); }
  .collage-card--lab { left: -1%; width: 26vw; }
  .collage-card--database { left: 22%; width: 26vw; }
  .collage-card--people { left: 45%; width: 31vw; }
  .collage-card--statistics { right: -1%; width: 25vw; }
}
@media (max-width: 600px) {
  .home-hero--collage { padding-top: 26px; }
  .home-hero--collage h1 { font-size: clamp(2.55rem,10.3vw,4.1rem); line-height: .93; }
  .home-hero--collage .home-hero__lead { margin-top: 14px; font-size: .98rem; }
  .home-hero--collage .home-hero__actions { margin-top: 16px; }
  .home-hero--collage .home-hero__note { margin-top: 11px; }
  .home-hero--collage .home-hero__note { align-items: flex-start; text-align: left; }
  .home-collage { width: calc(100vw - 32px); height: 310px; margin-top: 20px; }
  .collage-card { width: min(69vw,250px); padding: 5px 5px 0; }
  .collage-card__screen { aspect-ratio: 1.36; }
  .collage-card figcaption { min-height: 49px; padding: 8px 7px; }
  .collage-card figcaption span { font-size: 7px; }
  .collage-card figcaption strong { font-size: 11px; }
  .collage-card--lab,.collage-card--statistics { display: none; }
  .collage-card--database { top: 58px; left: -3%; width: min(67vw,226px); }
  .collage-card--people { top: 112px; left: 34%; width: min(66vw,236px); }
  .home-collage__spark { top: 40%; left: 42%; font-size: 42px; }
}
@media (max-width: 360px) {
  .home-hero--collage h1 { font-size: 2.55rem; }
  .collage-card--people { left: 29%; }
}

/* The authentication screens share the editorial type and collage vocabulary. */

.video-watch { padding-top: clamp(32px,5vw,60px) !important; padding-bottom: 76px !important; }
.video-watch__breadcrumb { display: inline-flex; min-height: 34px; align-items: center; gap: 8px; color: var(--tau-wine); font-size: 13px; font-weight: 650; }
.video-watch__heading { max-width: 1000px; margin: 15px 0 20px; font-size: clamp(2.25rem,5.2vw,4.7rem); font-weight: 440; letter-spacing: -.065em; line-height: 1.03; overflow-wrap: anywhere; }
.video-watch__player { border-radius: 5px !important; box-shadow: none !important; }
.video-watch__player video { display: block; aspect-ratio: 16 / 9; background: #171217; }
.video-watch__panel { border-radius: 5px !important; box-shadow: none !important; }

@media (max-width: 760px) {
  .site-header__inner,.home-ticker { width: calc(100% - 32px); }
}
@media (max-width: 460px) {
  .home-hero--collage { padding-top: 44px; }
  .home-hero--collage h1 { font-size: clamp(2.6rem,11.2vw,3.8rem); font-weight: 540; letter-spacing: -.05em; line-height: 1.02; }
}

/* Continuous material reel, with manual dragging and reduced-motion fallback. */
.home-ticker__track { justify-content: flex-start; gap: 34px; width: max-content; min-width: 100%; animation: tau-ticker 29s linear infinite; }
.home-ticker__item { flex: 0 0 auto; }
.home-ticker__item:last-child { margin-left: 0; }
@keyframes tau-ticker { to { transform: translateX(calc(-50% - 17px)); } }
.home-collage.is-carousel { width: 100vw; max-width: none; height: clamp(390px,40vw,545px); margin-left: calc(50% - 50vw); overflow: hidden; touch-action: pan-y; cursor: grab; }
.home-collage:not(.is-carousel) .collage-card[aria-hidden="true"] { display: none; }
.home-collage.is-dragging { cursor: grabbing; }
.home-collage.is-carousel .collage-card,
.home-collage.is-carousel .collage-card--lab,
.home-collage.is-carousel .collage-card--database,
.home-collage.is-carousel .collage-card--people,
.home-collage.is-carousel .collage-card--statistics { display: block; top: 0; right: auto; left: 50%; width: clamp(250px,24vw,350px); transform: translate3d(calc(-50% + var(--orbit-x,0px)),var(--orbit-y,0px),0) rotate(var(--orbit-rotate,0deg)) scale(var(--orbit-scale,1)); opacity: var(--orbit-opacity,1); transition: box-shadow 220ms ease; }
.home-collage.is-carousel .collage-card { transition: box-shadow 220ms ease, filter 220ms ease; }
@media (hover:hover) and (pointer:fine) {
.home-collage.is-carousel .collage-card:hover { box-shadow: 0 24px 46px rgba(36,18,28,.24); }
}
.home-collage.is-carousel .home-collage__spark { top: 46%; left: 50%; transform: translate(-50%,-50%); }

/* Content appears once as it enters the viewport; without JS it is always visible. */
.has-motion .motion-pending { opacity: 0; translate: 0 24px; transition: opacity 620ms ease, translate 760ms cubic-bezier(.19,1,.22,1); transition-delay: var(--reveal-delay,0ms); }
.has-motion .motion-pending.motion-shown { opacity: 1; translate: 0 0; }
.has-motion .collage-card.motion-pending { translate: 0 70px; scale: .94; transition: opacity 700ms ease, translate 850ms cubic-bezier(.19,1,.22,1), scale 850ms cubic-bezier(.19,1,.22,1); transition-delay: var(--reveal-delay,0ms); }
.has-motion .collage-card.motion-pending.motion-shown { translate: 0 0; scale: 1; }
.has-motion .motion-title.motion-pending { clip-path: inset(0 0 100% 0); opacity: 0; translate: 0 16px; transition: clip-path 720ms cubic-bezier(.19,1,.22,1), opacity 500ms ease, translate 720ms cubic-bezier(.19,1,.22,1); }
.has-motion .motion-title.motion-pending.motion-shown { clip-path: inset(0 0 0 0); opacity: 1; translate: 0 0; }
.site-header__inner { transition: box-shadow 300ms ease, background-color 300ms ease; }
.site-header.is-scrolled .site-header__inner { background: #2b101e; box-shadow: 0 14px 36px rgba(51,10,30,.18); }
.site-mobile-menu__panel { transform-origin: top right; }
.site-mobile-menu[open] .site-mobile-menu__panel { animation: tau-menu-in 220ms cubic-bezier(.2,.7,.2,1) both; }
@keyframes tau-menu-in { from { opacity: 0; transform: translateY(-7px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@media (max-width: 600px) {
  .home-collage.is-carousel { height: 330px; margin-top: 24px; }
  .home-collage.is-carousel .collage-card { width: min(68vw,250px); padding: 5px 5px 0; }
}
@media (prefers-reduced-motion: reduce) {
  html.has-motion[data-motion="reduced"] .motion-pending { opacity: 0; translate: none; scale: 1; clip-path: none; transition: opacity 260ms ease; }
  html.has-motion[data-motion="reduced"] .motion-pending.motion-shown { opacity: 1; }
  .home-ticker__track { animation-duration: 68s !important; }
}

/* TAU MOOC page transition: two pages meet at the learning path's gold spine. */
.tau-page-transition[hidden] { display: none !important; }
.tau-page-transition { position: fixed; inset: 0; z-index: 10000; display: grid; place-items: center; overflow: hidden; background: transparent; pointer-events: auto; }
.tau-page-transition__panel { position: absolute; top: 0; bottom: 0; width: 51%; background: var(--tau-wine); will-change: transform; }
.tau-page-transition__panel--left { left: 0; transform: translateX(-102%); }
.tau-page-transition__panel--right { right: 0; background: #321522; transform: translateX(102%); }
.tau-page-transition__spine { position: absolute; top: 50%; left: 50%; width: 2px; height: 0; background: var(--tau-accent); opacity: 0; transform: translate(-50%,-50%); }
.tau-page-transition.is-vertical .tau-page-transition__panel { top: auto; right: auto; bottom: auto; left: 0; width: 100%; height: 51%; }
.tau-page-transition.is-vertical .tau-page-transition__panel--left { top: 0; transform: translateY(-102%); }
.tau-page-transition.is-vertical .tau-page-transition__panel--right { bottom: 0; transform: translateY(102%); }
.tau-page-transition.is-vertical .tau-page-transition__spine { width: 0; height: 2px; }
.tau-page-transition__wordmark { position: relative; z-index: 1; display: flex; align-items: baseline; gap: 10px; color: #fff; opacity: 0; white-space: nowrap; }
.tau-page-transition__wordmark strong { font-size: clamp(25px,4vw,34px); font-weight: 800; letter-spacing: .13em; }
.tau-page-transition__wordmark span { color: var(--tau-rose); font-size: 12px; font-weight: 750; letter-spacing: .2em; }
.tau-page-transition.is-intro { background: #321522; }
html.tau-intro-pending { background: #321522; }
html.tau-intro-pending .tau-page-transition[hidden] { display: grid !important; }
html.tau-intro-pending body > :not([data-tau-transition]):not([data-tau-transition-live]) { visibility: hidden !important; }
html.tau-transitioning, html.tau-transitioning body { overflow: hidden !important; }
@media (max-width: 600px) {
  .tau-page-transition__wordmark { flex-direction: column; align-items: center; gap: 4px; }
  .tau-page-transition__wordmark strong { font-size: 24px; }
  .tau-page-transition__wordmark span { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .tau-page-transition__panel,.tau-page-transition__spine,.tau-page-transition__wordmark { transition: none !important; }
}

/* Catalog states and controls. */
.catalog-course__empty {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(260px,.78fr);
  min-height: 370px;
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  background: #fff !important;
  border: 1px solid var(--line) !important;
}
.catalog-course__empty-copy { align-self: center; max-width: 590px; padding: clamp(28px,5vw,64px); }
.catalog-course__empty-copy .section-kicker { margin-bottom: 14px; }
.catalog-course__empty-copy h2 { max-width: 530px; margin: 0; font-size: clamp(2rem,4.3vw,3.6rem); font-weight: 520; letter-spacing: -.065em; line-height: 1.02; }
.catalog-course__empty-copy > p:not(.section-kicker) { max-width: 450px; margin: 16px 0 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.catalog-course__empty-copy .tau-button { width: fit-content; margin-top: 24px; }
.catalog-course__empty-reset { display: inline-flex; margin: 18px 0 0 16px; color: var(--tau-wine); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
.catalog-course__empty-media { position: relative; min-height: 320px; background: #eee8e9; }
.catalog-course__empty-media img { display: block; width: 100%; height: 100%; min-height: 370px; object-fit: cover; }
.catalog-course__empty-media span { position: absolute; right: 16px; bottom: 16px; padding: 8px 10px; color: #fff; background: rgba(45,14,32,.88); font-size: 10px; font-weight: 750; letter-spacing: .12em; }
@media (max-width: 600px) {
  .catalog-course__empty { grid-template-columns: 1fr; }
  .catalog-course__empty-copy { padding: 28px 22px; }
  .catalog-course__empty-copy h2 { font-size: clamp(2rem,9vw,3rem); }
  .catalog-course__empty-media { min-height: 220px; max-height: 270px; }
  .catalog-course__empty-media img { min-height: 220px; max-height: 270px; object-position: center 42%; }
  .catalog-course__empty-reset { display: table; margin: 16px 0 0; }
  .catalog-course__empty-copy .tau-button { margin-top: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .home-hero__visual,.home-collage.is-carousel .collage-card { transition-duration: 180ms; }
}

/* Shared portal branding. */
.site-brand__logo, .site-footer__university-logo { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; padding: 0; background: transparent; }
.site-brand__logo img { display: block; width: 88px; height: auto; }
.site-brand__platform { padding-left: 9px; border-left: 1px solid currentColor; color: inherit; font-size: 12px; font-weight: 750; letter-spacing: .08em; }
.site-footer__brand-link { display: inline-flex; align-items: center; gap: 14px; color: var(--tau-wine); }
.site-footer { background: #eee8e2; border-top: 1px solid #d9cec6; color: var(--ink); }
.site-footer .site-footer__links a { color: var(--tau-wine-dark); }
.site-footer .site-footer__links a:hover { color: var(--tau-wine); }
.site-footer .site-footer__brand p, .site-footer .site-footer__legal { color: #75616a; }
.site-footer .site-footer__legal { border-top-color: #d9cec6; }
.site-footer__brand-link > span:last-child { font-size: 13px; font-weight: 750; letter-spacing: .1em; }
.site-footer__university-logo { padding: 0; background: transparent; border-radius: 0; }
.site-footer__university-logo img { display: block; width: 150px; height: auto; }
@media (max-width: 700px) {
  .site-brand__logo { padding: 0; }
  .site-brand__logo img { width: 72px; }
  .site-brand__platform { padding-left: 7px; font-size: 10px; }
}
.site-brand { min-width: 0; flex-shrink: 0; color: #fff; }
.site-brand__wordmark { display: inline-flex; align-items: baseline; gap: 8px; white-space: nowrap; }
.site-brand__wordmark strong { color: #fff; font-size: 20px; font-weight: 800; letter-spacing: .12em; }
.site-brand__wordmark span { color: var(--tau-rose); font-size: 11px; font-weight: 750; letter-spacing: .15em; }
.site-footer__wordmark { display: inline-flex; align-items: baseline; gap: 8px; }
@media (max-width: 600px) {
  .site-brand__wordmark { gap: 6px; }
  .site-brand__wordmark strong { font-size: 18px; }
  .site-brand__wordmark span { font-size: 10px; }
}


/* Video library: editorial layout built on the shared TAU palette and Onest type. */
.video-catalog {
  --video-gap: clamp(24px, 4.2vw, 64px);
  --muted: #6f5b65;
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
  padding-block: clamp(38px, 5.3vw, 76px) 88px;
  color: var(--ink);
  font-family: Onest, "Segoe UI", Arial, sans-serif;
}

/* Shared typography and course surfaces. */
body { font-family: Onest, "Segoe UI", Arial, sans-serif; }
button, input, select, textarea { font-family: inherit; }

.catalog-search-form { display: grid; grid-template-columns: minmax(0, 1fr) minmax(190px, .28fr) auto; align-items: center; gap: 10px; }
.catalog-search-form__input,.catalog-search-form__select { width: 100%; min-width: 0; min-height: 52px; padding-inline: 16px; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 5px; }
.catalog-search-form .tau-button { min-height: 52px; padding-inline: 22px; }
.catalog-page__count strong { margin-left: 3px; color: var(--ink); font-size: 18px; font-weight: 650; }
.catalog-page__results { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 20px; padding-block: 0 9px; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 12px; }
.catalog-page__results span:first-child { color: var(--tau-wine); font-weight: 700; font-variant-numeric: tabular-nums; }
.catalog-course__description { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; line-height: 1.55; }
.catalog-course__media img { position: absolute; inset: 0; }
.catalog-course__media img.is-broken { display: none; }
.catalog-course__rate { min-height: 42px !important; padding: 6px 12px; color: var(--tau-wine); background: #fff; border: 1px solid var(--line-strong); border-radius: 5px; font-size: 12px; font-weight: 650; }
.catalog-course__rate:hover,.catalog-course__rate[aria-pressed="true"] { color: #fff; background: var(--tau-wine); border-color: var(--tau-wine); }
.catalog-page__grid--single { grid-template-columns: 1fr; }
.catalog-page__grid--single .catalog-course { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); min-height: 370px; background: var(--surface-soft) !important; border: 1px solid var(--line) !important; }
.catalog-page__grid--single .catalog-course__media { min-height: 370px; height: 100%; aspect-ratio: auto; background: #fff; }
.catalog-page__grid--single .catalog-course__media img { object-fit: contain; }
.catalog-page__grid--single .catalog-course__body { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: clamp(25px, 4vw, 58px) !important; }
.catalog-page__grid--single .catalog-course h2 { max-width: 580px; margin-top: 18px; font-size: clamp(2rem, 3.4vw, 3.45rem); line-height: 1.04; overflow-wrap: anywhere; }
.catalog-page__grid--single .catalog-course__teacher { margin-top: 16px; font-size: 14px; }
.catalog-page__grid--single .catalog-course__description { max-width: 530px; margin-top: 16px; font-size: 15px; }
.catalog-page__grid--single .catalog-course__actions { width: 100%; margin-top: 26px; padding-top: 18px; }
.catalog-pagination { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 42px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; font-variant-numeric: tabular-nums; }
.catalog-pagination a { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; padding: 7px 15px; border: 1px solid var(--line-strong); border-radius: 5px; }
.catalog-pagination a:hover { background: var(--tau-wine-soft); }
.catalog-pagination span { color: var(--muted); }

.course-detail { padding-block: clamp(28px, 4vw, 54px) 88px; }
.course-detail__breadcrumb { display: flex; align-items: center; gap: 13px; margin-bottom: 30px; color: var(--muted); font-size: 12px; }
.course-detail__breadcrumb a { display: inline-flex; align-items: center; gap: 7px; min-height: 42px; color: var(--tau-wine); font-weight: 700; }
.course-detail__hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 5vw, 74px); align-items: center; padding-bottom: clamp(64px, 7vw, 104px); border-bottom: 1px solid var(--line); }
.course-detail__intro { min-width: 0; }
.course-detail__eyebrow { margin: 0 0 18px; color: var(--tau-wine); font-size: 11px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.course-detail h1 { max-width: 750px; margin: 0; font-size: clamp(3.05rem, 5.9vw, 6.1rem); font-weight: 550; letter-spacing: -.065em; line-height: .99; overflow-wrap: anywhere; }
.course-detail__description { max-width: 580px; margin: 25px 0 0; color: var(--ink-soft); font-size: clamp(1.02rem, 1.35vw, 1.2rem); line-height: 1.6; white-space: pre-line; overflow-wrap: anywhere; }
.course-detail__facts { display: grid; grid-template-columns: minmax(0, 1fr) repeat(2, minmax(88px, .3fr)); gap: 16px; max-width: 620px; margin: 36px 0 0; padding-block: 17px; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.course-detail__facts div { min-width: 0; }
.course-detail__facts dt { color: var(--muted); font-size: 11px; }
.course-detail__facts dd { margin: 5px 0 0; font-size: 15px; font-weight: 650; overflow-wrap: anywhere; }
.course-detail__actions { display: flex; align-items: center; flex-wrap: wrap; gap: 13px; margin-top: 27px; }
.course-detail__actions form { margin: 0; }
.course-detail__like { min-width: 64px; min-height: 48px; padding: 9px 13px; color: var(--tau-wine); background: #fff; border: 1px solid var(--line-strong); border-radius: 5px; font-weight: 650; }
.course-detail__like span,.course-detail__likes span { font-size: 20px; vertical-align: -.06em; }
.course-detail__like:hover,.course-detail__like[aria-pressed="true"] { color: #fff; background: var(--tau-wine); border-color: var(--tau-wine); }
.course-detail__likes,.course-detail__role-note { color: var(--muted); font-size: 13px; }
.course-detail__visual { position: relative; display: grid; place-items: center; width: 100%; min-height: 390px; aspect-ratio: 1.13; overflow: hidden; background: #fff; border: 1px solid var(--line); }
.course-detail__visual img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: contain; background: #fff; }
.course-detail__visual img.is-broken { display: none; }
.course-detail__visual-fallback { display: flex; align-items: baseline; gap: 18px; color: #fff; }
.course-detail__visual:has(.course-detail__visual-fallback) { background: var(--tau-wine); }
.course-detail__visual-fallback span { font-size: clamp(70px, 10vw, 150px); font-weight: 800; letter-spacing: -.07em; }
.course-detail__visual-fallback small { font-size: 16px; font-weight: 750; letter-spacing: .18em; }
.course-detail__curriculum { padding-top: clamp(50px, 6vw, 82px); }
.course-detail__section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 27px; }
.course-detail__section-heading .section-kicker { margin: 0 0 7px; }
.course-detail__section-heading h2 { margin: 0; font-size: clamp(2.2rem, 4vw, 3.8rem); font-weight: 550; letter-spacing: -.06em; line-height: 1.05; }
.course-detail__section-heading > p { margin: 0; color: var(--muted); font-size: 13px; }
.course-detail__empty { display: flex; justify-content: space-between; align-items: end; gap: 28px; min-height: 240px; padding: clamp(27px, 4vw, 50px); background: var(--surface-soft); border: 1px solid var(--line); }
.course-detail__empty-number { color: var(--tau-wine); font-size: 11px; font-weight: 750; letter-spacing: .12em; }
.course-detail__empty h3 { margin: 18px 0 0; font-size: clamp(1.7rem, 3vw, 2.6rem); font-weight: 550; letter-spacing: -.05em; }
.course-detail__empty p { max-width: 540px; margin: 11px 0 0; color: var(--ink-soft); font-size: 15px; }
.course-detail__empty .tau-button { flex-shrink: 0; }
.course-detail__modules { display: grid; gap: 20px; }
.course-module { display: grid; grid-template-columns: minmax(190px, .35fr) minmax(0, 1fr); gap: 28px; padding: 27px 0; border-top: 1px solid var(--line-strong); }
.course-module__heading { display: flex; gap: 17px; align-items: start; }
.course-module__number { color: var(--tau-wine); font-size: 14px; font-weight: 750; }
.course-module h3 { margin: 0; font-size: clamp(1.3rem, 2vw, 1.85rem); font-weight: 600; overflow-wrap: anywhere; }
.course-module__heading p,.course-module__empty { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.course-module__steps { list-style: none; margin: 0; padding: 0; }
.course-module__steps li { border-bottom: 1px solid var(--line); }
.course-module__steps li:first-child { border-top: 1px solid var(--line); }
.course-module__step { display: grid; grid-template-columns: 38px minmax(0, 1fr) 24px; align-items: center; gap: 13px; min-height: 78px; padding: 12px; color: var(--ink); }
a.course-module__step:hover { color: var(--tau-wine); background: var(--tau-wine-soft); }
.course-module__step-index { color: var(--tau-wine); font-size: 12px; font-weight: 700; }
.course-module__step-title { display: grid; gap: 3px; min-width: 0; }
.course-module__step-title strong { font-size: 15px; font-weight: 620; overflow-wrap: anywhere; }
.course-module__step-title small { color: var(--muted); font-size: 12px; }
.course-module__step-arrow { font-size: 19px; text-align: right; }
.course-module__step.is-locked { color: var(--ink-soft); }

.error-page { position: relative; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; min-height: min(700px, 70vh); padding-block: 75px; overflow: hidden; isolation: isolate; }
.error-page .section-kicker { margin: 0 0 15px; }
.error-page h1 { max-width: 740px; margin: 0; font-size: clamp(3rem, 7vw, 6rem); font-weight: 550; letter-spacing: -.065em; line-height: 1; }
.error-page > p:not(.section-kicker) { max-width: 500px; margin: 21px 0 0; color: var(--ink-soft); font-size: 18px; }
.error-page__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.error-page__number { position: absolute; z-index: -1; right: -1%; bottom: -17%; color: #f1e7ec; font-size: clamp(190px, 27vw, 420px); font-weight: 800; letter-spacing: -.1em; line-height: 1; }

@media (max-width: 820px) {
  .course-detail__hero { grid-template-columns: 1fr; }
  .course-detail__visual { max-height: 500px; aspect-ratio: 1.6; }
  .course-module { grid-template-columns: 1fr; gap: 17px; }
}
@media (max-width: 600px) {
  .catalog-search-form { grid-template-columns: 1fr; }
  .catalog-search-form .tau-button { width: 100%; }
  .catalog-page__grid--single .catalog-course { grid-template-columns: 1fr; }
  .catalog-page__grid--single .catalog-course__media { min-height: 0; aspect-ratio: 1.35; }
  .catalog-page__grid--single .catalog-course__body { padding: 22px !important; }
  .catalog-page__grid--single .catalog-course h2 { font-size: 2rem; }
  .catalog-pagination { flex-wrap: wrap; }
  .catalog-pagination > span { order: -1; width: 100%; }
  .course-detail { padding-bottom: 58px; }
  .course-detail__breadcrumb { margin-bottom: 16px; }
  .course-detail h1 { font-size: clamp(2.65rem, 10vw, 4rem); }
  .course-detail__description { margin-top: 17px; }
  .course-detail__facts { grid-template-columns: minmax(0, 1fr) repeat(2, 70px); gap: 10px; margin-top: 24px; }
  .course-detail__facts dd { font-size: 13px; }
  .course-detail__visual { min-height: 230px; aspect-ratio: 1.3; }
  .course-detail__section-heading { display: block; }
  .course-detail__section-heading > p { margin-top: 10px; }
  .course-detail__empty { display: block; min-height: 0; }
  .course-detail__empty .tau-button { margin-top: 22px; }
}

.video-catalog__content { min-width: 0; }
.video-catalog__hero {
  display: grid;
  grid-template-columns: minmax(300px, .76fr) minmax(0, 1.24fr);
  align-items: center;
  gap: var(--video-gap);
  padding-bottom: clamp(56px, 7vw, 98px);
}
.video-catalog__hero.is-unfeatured { grid-template-columns: minmax(0, 760px); }
.video-catalog__hero-copy { min-width: 0; }
.video-catalog__eyebrow,
.video-results__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--tau-wine);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .13em;
  line-height: 1.4;
  text-transform: uppercase;
}
.video-catalog__eyebrow > span {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--tau-wine);
  box-shadow: 0 0 0 4px var(--tau-wine-soft);
}
.video-catalog__hero h1 {
  max-width: 620px;
  margin: 22px 0 0;
  font-size: clamp(3.15rem, 5.7vw, 5.55rem);
  font-weight: 630;
  letter-spacing: -.075em;
  line-height: .98;
  text-wrap: balance;
}
.video-catalog__hero h1:focus { outline: none; }
.video-catalog__intro {
  max-width: 440px;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.65;
}
.video-catalog__form {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 540px;
  min-height: 60px;
  margin-top: 30px;
  padding: 5px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  box-shadow: 0 3px 12px rgba(55, 26, 40, .035);
  transition: border-color var(--motion-fast) ease, box-shadow var(--motion-fast) ease;
}
.video-catalog__form:focus-within {
  border-color: var(--tau-wine);
  box-shadow: var(--shadow-focus);
}
.video-catalog__search-icon {
  position: absolute;
  left: 17px;
  width: 18px;
  height: 18px;
  color: var(--muted);
  pointer-events: none;
}
.video-catalog__form input[type="search"] {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 9px 56px 9px 43px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 3px;
  outline: none;
  font-size: 14px;
}
.video-catalog__form input[type="search"]::-webkit-search-cancel-button { display: none; }
.video-catalog__form input::placeholder { color: #75616a; opacity: 1; }
.video-catalog__clear {
  position: absolute;
  right: 125px;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: var(--muted);
  border-radius: 4px;
}
.video-catalog__clear:hover { color: var(--tau-wine); background: var(--tau-wine-soft); }
.video-catalog__clear svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-width: 1.8; }
.video-catalog__submit {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: 13px;
  min-width: 116px;
  min-height: 48px;
  padding: 0 15px;
  color: #fff;
  background: var(--tau-wine);
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  transition: background-color var(--motion-fast) ease, transform var(--motion-fast) ease;
}
.video-catalog__submit:hover { background: var(--tau-wine-dark); }
.video-catalog__submit:active { transform: translateY(1px); }
.video-catalog__submit span:last-child { font-size: 16px; }
.video-catalog__query {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 7px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.video-catalog__query strong { color: var(--ink); font-weight: 650; overflow-wrap: anywhere; }

.video-feature {
  display: grid;
  min-width: 0;
  overflow: hidden;
  color: #fff;
  background: var(--tau-wine-dark);
  border: 1px solid rgba(85, 16, 47, .16);
  border-radius: 7px;
  box-shadow: 0 20px 48px rgba(54, 18, 37, .13);
}
.video-feature:hover { color: #fff; transform: translateY(-3px); box-shadow: 0 26px 56px rgba(54, 18, 37, .18); }
.video-feature__poster,
.video-card__poster {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 1.57;
  background: #45152e;
}
.video-feature__poster::after,
.video-card__poster::after {
  position: absolute;
  z-index: 1;
  inset: 30% 0 0;
  background: linear-gradient(180deg, transparent, rgba(23, 10, 18, .36));
  content: "";
  pointer-events: none;
}
.video-feature__poster img,
.video-card__poster img {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 440ms cubic-bezier(.2, .7, .2, 1), opacity 180ms ease;
}
.video-feature:hover .video-feature__poster img,
.video-card:hover .video-card__poster img { transform: scale(1.035); }
.video-feature__poster.is-image-failed img,
.video-card__poster.is-image-failed img { opacity: 0; }
.video-poster__fallback {
  position: absolute;
  z-index: -1;
  inset: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(18px, 3vw, 34px);
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(ellipse at 86% 22%, rgba(233, 183, 202, .28), transparent 27%),
    linear-gradient(135deg, #8b234f, #55102f 67%, #34101f);
}
.video-poster__fallback::after {
  position: absolute;
  right: -5%;
  bottom: -55%;
  width: 64%;
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(255,255,255,.035), 0 0 0 68px rgba(255,255,255,.025);
  content: "";
}
.video-poster__fallback span,
.video-poster__fallback small {
  position: relative;
  z-index: 1;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.video-poster__fallback strong {
  align-self: center;
  color: rgba(255,255,255,.17);
  font-size: clamp(6rem, 14vw, 11rem);
  font-variant-numeric: tabular-nums;
  font-weight: 720;
  letter-spacing: -.1em;
  line-height: .78;
}
.video-feature__play,
.video-card__play {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 18px;
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  color: var(--tau-wine-dark);
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 5px 20px rgba(25, 10, 18, .2);
  transition: transform 220ms ease;
}
.video-feature:hover .video-feature__play,
.video-card:hover .video-card__play { transform: scale(1.08); }
.video-feature__play svg,
.video-card__play svg { width: 19px; height: 19px; fill: currentColor; stroke: none; transform: translateX(1px); }
.video-feature__position {
  position: absolute;
  z-index: 2;
  left: 20px;
  bottom: 20px;
  color: white;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
  letter-spacing: .08em;
  text-shadow: 0 1px 8px rgba(0,0,0,.35);
}
.video-feature__position span { opacity: .62; }
.video-feature__caption { padding: 20px 24px 22px; }
.video-feature__label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--tau-rose);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.video-feature__label span { color: #fff; font-size: 17px; font-weight: 500; }
.video-feature__caption h2 {
  margin: 10px 0 0;
  color: #fff;
  font-size: clamp(21px, 2.25vw, 29px);
  font-weight: 620;
  letter-spacing: -.045em;
  line-height: 1.16;
  overflow-wrap: anywhere;
}
.video-feature__caption p { margin: 7px 0 0; color: rgba(255,255,255,.74); font-size: 13px; }

.video-results { border-top: 1px solid var(--line-strong); padding-top: 34px; }
.video-results__heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}
.video-results__heading h2 {
  margin: 8px 0 0;
  font-size: clamp(1.8rem, 3.2vw, 2.65rem);
  font-weight: 610;
  letter-spacing: -.06em;
  line-height: 1.08;
}
.video-results__heading h2:focus { outline: none; }
.video-results__count {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}
.video-results__count strong { color: var(--tau-wine); font-size: 23px; font-weight: 700; letter-spacing: -.04em; }
.video-results__range { padding-left: 12px; border-left: 1px solid var(--line-strong); font-variant-numeric: tabular-nums; }
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.video-grid > li { min-width: 0; animation: video-card-enter 420ms cubic-bezier(.2,.7,.2,1) both; animation-delay: calc(var(--card-order, 0) * 28ms); }
@keyframes video-card-enter { from { opacity: 0; transform: translateY(9px); } to { opacity: 1; transform: translateY(0); } }
.video-card {
  display: block;
  height: 100%;
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(55, 26, 40, .025);
  transition: transform 220ms cubic-bezier(.2,.7,.2,1), box-shadow 220ms ease, border-color 180ms ease;
}
.video-card:hover { color: var(--ink); border-color: var(--line-strong); box-shadow: 0 12px 30px rgba(55, 26, 40, .09); transform: translateY(-3px); }
.video-card:focus-visible,
.video-feature:focus-visible,
.video-catalog__clear:focus-visible,
.video-pagination a:focus-visible,
.video-empty a:focus-visible,
.video-catalog__submit:focus-visible,
.video-catalog__retry:focus-visible {
  outline: 3px solid #a84569;
  outline-offset: 3px;
}
.video-card__poster { aspect-ratio: 1.58; background: #4c1732; }
.video-card__play { right: 14px; bottom: 14px; width: 42px; height: 42px; }
.video-card__play svg { width: 15px; height: 15px; }
.video-card__index {
  position: absolute;
  z-index: 2;
  left: 14px;
  bottom: 14px;
  color: #fff;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: .1em;
  text-shadow: 0 1px 8px rgba(0,0,0,.5);
}
.video-card__body { padding: 16px 17px 17px; }
.video-card__teacher {
  margin: 0;
  overflow: hidden;
  color: var(--tau-wine);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .075em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}
.video-card h3 {
  display: -webkit-box;
  min-height: 2.55em;
  margin: 7px 0 0;
  overflow: hidden;
  color: var(--ink);
  font-size: clamp(17px, 1.55vw, 21px);
  font-weight: 630;
  letter-spacing: -.045em;
  line-height: 1.28;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.video-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 13px;
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.video-card__meta > * { display: inline-flex; align-items: center; gap: 6px; }
.video-card__meta svg,
.video-card__tags svg { width: 14px; height: 14px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.5; }
.video-card__tags {
  display: -webkit-box;
  margin: 10px 0 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.video-card__tags svg { margin-right: 5px; vertical-align: -3px; }

.video-empty {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  min-height: 220px;
  align-items: center;
  padding: clamp(24px, 4vw, 48px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.video-empty__index { color: var(--tau-wine); font-size: 40px; font-weight: 450; letter-spacing: -.08em; }
.video-empty h3 { max-width: 700px; margin: 0; font-size: clamp(20px, 3vw, 30px); font-weight: 620; letter-spacing: -.045em; line-height: 1.2; }
.video-empty p { margin: 10px 0 0; color: var(--ink-soft); font-size: 14px; }
.video-empty a { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; margin-top: 16px; color: var(--tau-wine); font-size: 13px; font-weight: 700; }
.video-empty a:hover { color: var(--tau-wine-dark); }

.video-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 34px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
}
.video-pagination__edge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-width: 104px;
  min-height: 44px;
  padding: 0 12px;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 650;
}
.video-pagination__edge:hover { color: var(--tau-wine); border-color: var(--tau-wine); }
.video-pagination__edge.is-disabled { color: #6f6268; border-color: var(--line); }
.video-pagination__pages { display: flex; align-items: center; justify-content: center; gap: 4px; }
.video-pagination__pages a,
.video-pagination__pages > span:not(.video-pagination__ellipsis) {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: var(--ink-soft);
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.video-pagination__pages a:hover { color: var(--tau-wine); border-color: var(--line-strong); }
.video-pagination__pages .is-current { color: #fff; background: var(--tau-wine); border-color: var(--tau-wine); }
.video-pagination__ellipsis { width: 18px; color: var(--muted); text-align: center; }

.video-catalog__feedback {
  position: fixed;
  z-index: 60;
  right: max(20px, calc((100vw - var(--container)) / 2));
  bottom: 22px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  max-width: min(520px, calc(100vw - 32px));
  min-height: 50px;
  padding: 9px 14px;
  color: #fff;
  background: var(--ink);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 5px;
  box-shadow: 0 10px 30px rgba(32, 14, 24, .2);
  font-size: 13px;
}
.video-catalog__feedback[hidden] { display: none; }
.video-catalog__feedback.is-error { background: #59192f; }
.video-catalog__spinner { width: 15px; height: 15px; flex: 0 0 auto; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: video-spin 700ms linear infinite; }
.video-catalog__retry {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 10px;
  color: var(--ink);
  background: #fff;
  border: 0;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}
@keyframes video-spin { to { transform: rotate(1turn); } }

@media (max-width: 960px) {
  .video-catalog { width: min(calc(100% - 48px), var(--container)); }
  .video-catalog__hero { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 28px; }
  .video-catalog__hero h1 { font-size: clamp(3rem, 6.6vw, 4.6rem); }
  .video-feature__caption { padding: 17px 19px 19px; }
  .video-grid { gap: 22px 16px; }
}
@media (max-width: 800px) {
  .video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .video-catalog { width: min(calc(100% - 40px), var(--container)); padding-top: 34px; padding-bottom: 64px; }
  .video-catalog__hero,
  .video-catalog__hero.is-unfeatured { grid-template-columns: 1fr; gap: 30px; padding-bottom: 58px; }
  .video-catalog__hero-copy { max-width: 620px; }
  .video-catalog__hero h1 { max-width: 620px; margin-top: 17px; font-size: clamp(3rem, 9vw, 4.7rem); }
  .video-catalog__intro { margin-top: 14px; }
  .video-catalog__form { max-width: 620px; margin-top: 22px; }
  .video-feature { grid-template-columns: minmax(0, 1.04fr) minmax(180px, .96fr); align-items: stretch; }
  .video-feature__poster { height: 100%; min-height: 190px; aspect-ratio: auto; }
  .video-feature__caption { display: flex; flex-direction: column; justify-content: center; padding: 18px; }
  .video-feature__caption h2 { font-size: clamp(20px, 3.1vw, 27px); }
  .video-feature__play { right: 12px; bottom: 12px; width: 44px; height: 44px; }
  .video-feature__position { left: 13px; bottom: 16px; }
  .video-results { padding-top: 28px; }
  .video-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 14px; }
  .video-card__body { padding: 14px; }
}
@media (max-width: 520px) {
  .video-catalog { width: calc(100% - 36px); padding-top: 26px; }
  .video-catalog__eyebrow,.video-results__eyebrow { font-size: 9px; letter-spacing: .1em; }
  .video-catalog__hero h1 { margin-top: 15px; font-size: clamp(2.65rem, 12vw, 3.55rem); letter-spacing: -.075em; }
  .video-catalog__intro { max-width: 36rem; font-size: 15px; line-height: 1.55; }
  .video-catalog__form { min-height: 56px; gap: 5px; margin-top: 19px; padding: 4px; }
  .video-catalog__form input[type="search"] { min-height: 46px; padding-left: 39px; padding-right: 44px; font-size: 13px; }
  .video-catalog__search-icon { left: 14px; width: 16px; height: 16px; }
  .video-catalog__submit { min-width: 94px; min-height: 46px; gap: 7px; padding-inline: 10px; font-size: 12px; }
  .video-catalog__clear { right: 98px; width: 34px; height: 38px; }
  .video-catalog__hero,
  .video-catalog__hero.is-unfeatured { gap: 24px; padding-bottom: 42px; }
  .video-feature { display: block; }
  .video-feature__poster { min-height: 0; aspect-ratio: 1.48; }
  .video-feature__caption { padding: 15px 17px 17px; }
  .video-feature__caption h2 { margin-top: 8px; font-size: 21px; }
  .video-feature__caption p { font-size: 12px; }
  .video-feature__label { font-size: 9px; }
  .video-results__heading { align-items: start; flex-direction: column; gap: 12px; margin-bottom: 19px; }
  .video-results__heading h2 { margin-top: 6px; font-size: 27px; }
  .video-results__count { justify-content: flex-start; margin: 0; text-align: left; }
  .video-results__count strong { font-size: 20px; }
  .video-grid { grid-template-columns: minmax(0,1fr); gap: 15px; }
  .video-card { display: grid; grid-template-columns: minmax(0, .93fr) minmax(0, 1.07fr); align-items: stretch; }
  .video-card__poster { min-height: 100%; aspect-ratio: auto; }
  .video-card__play { right: 9px; bottom: 9px; width: 35px; height: 35px; }
  .video-card__play svg { width: 13px; height: 13px; }
  .video-card__index { left: 10px; bottom: 13px; font-size: 9px; }
  .video-card__body { display: flex; min-width: 0; flex-direction: column; justify-content: center; padding: 13px; }
  .video-card__teacher { font-size: 9px; letter-spacing: .035em; }
  .video-card h3 { min-height: 0; margin-top: 6px; font-size: 16px; line-height: 1.25; }
  .video-card__meta { gap: 9px; margin-top: 10px; font-size: 10px; }
  .video-card__tags { margin-top: 7px; font-size: 10px; }
  .video-empty { grid-template-columns: 42px minmax(0,1fr); gap: 11px; min-height: 190px; padding: 20px 16px; }
  .video-empty__index { font-size: 30px; }
  .video-empty h3 { font-size: 21px; }
  .video-empty p { font-size: 13px; }
  .video-pagination { gap: 4px; margin-top: 26px; }
  .video-pagination__edge { min-width: 42px; min-height: 42px; gap: 0; padding: 0 8px; }
  .video-pagination__edge > span:nth-child(2) { display: none; }
  .video-pagination__pages { gap: 0; }
  .video-pagination__pages a,
  .video-pagination__pages > span:not(.video-pagination__ellipsis) { width: 33px; height: 36px; font-size: 12px; }
  .video-pagination__ellipsis { width: 13px; }
  .video-catalog__feedback { right: 12px; bottom: 12px; max-width: calc(100vw - 24px); font-size: 12px; }
}
@media (max-width: 350px) {
  .video-catalog { width: calc(100% - 28px); }
  .video-catalog__submit { min-width: 80px; }
  .video-catalog__clear { right: 84px; }
  .video-card { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
  .video-card__body { padding: 10px; }
  .video-pagination__pages a,
  .video-pagination__pages > span:not(.video-pagination__ellipsis) { width: 29px; }
}
@media (prefers-reduced-motion: reduce) {
  .video-catalog { scroll-behavior: auto !important; }
}

/* Shared workspaces for students, teachers and administrators. */
.workspace-page { padding-block: clamp(38px, 5vw, 72px) 100px; min-height: calc(100vh - 265px); }
.workspace-hero { display: flex; justify-content: space-between; align-items: end; gap: 32px; padding-bottom: clamp(48px, 6vw, 82px); border-bottom: 1px solid var(--line-strong); }
.workspace-hero .section-kicker { margin: 0 0 21px; }
.workspace-hero h1 { max-width: 900px; margin: 0; font-size: clamp(3rem, 6.1vw, 6.5rem); font-weight: 550; line-height: .98; letter-spacing: -.067em; overflow-wrap: anywhere; }
.workspace-hero__lead { max-width: 560px; margin: 23px 0 0; color: var(--ink-soft); font-size: clamp(16px, 1.45vw, 20px); line-height: 1.5; }
.workspace-hero__identity { display: grid; gap: 5px; width: min(100%, 270px); padding: 18px 0 0 21px; border-left: 1px solid var(--line-strong); }
.workspace-hero__identity span { color: var(--tau-wine); font-size: 10px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.workspace-hero__identity strong { font-size: 17px; font-weight: 600; line-height: 1.3; overflow-wrap: anywhere; }
.workspace-hero__profile { display: inline-flex; justify-content: space-between; align-items: center; gap: 18px; min-height: 48px; min-width: 142px; padding-inline: 16px; border: 1px solid var(--line-strong); border-radius: 5px; font-size: 13px; font-weight: 700; }
.workspace-hero__profile:hover { background: var(--tau-wine-soft); }
.workspace-section { display: grid; grid-template-columns: minmax(195px, .33fr) minmax(0, 1fr); gap: clamp(24px, 6vw, 96px); padding-block: 43px; border-bottom: 1px solid var(--line); }
.workspace-section__heading > span { color: var(--tau-wine); font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.workspace-section__heading h2, .admin-dashboard__courses h2 { max-width: 360px; margin: 11px 0 0; font-size: clamp(1.9rem, 3vw, 2.9rem); font-weight: 560; line-height: 1.07; letter-spacing: -.05em; }
.workspace-links { border-top: 1px solid var(--line-strong); }
.workspace-links a { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 118px; padding: 19px 14px 19px 0; border-bottom: 1px solid var(--line-strong); color: var(--ink); }
.workspace-links a:hover { padding-left: 14px; background: var(--tau-wine-soft); color: var(--tau-wine); }
.workspace-links a > span:first-child { display: grid; gap: 6px; }
.workspace-links strong { font-size: clamp(20px, 2vw, 27px); font-weight: 580; letter-spacing: -.045em; line-height: 1.2; }
.workspace-links small { color: var(--ink-soft); font-size: 13px; line-height: 1.45; }
.workspace-links a > span:last-child { flex: 0 0 auto; font-size: 29px; font-weight: 400; line-height: 1; }
.workspace-empty { display: flex; align-items: end; justify-content: space-between; gap: 30px; min-height: 236px; padding: clamp(25px, 4vw, 46px); background: var(--surface-soft); border: 1px solid var(--line); }
.workspace-empty__index { color: var(--tau-wine); font-size: 10px; font-weight: 750; letter-spacing: .12em; }
.workspace-empty h3 { margin: 17px 0 0; font-size: clamp(26px, 3vw, 38px); font-weight: 560; letter-spacing: -.055em; line-height: 1.08; }
.workspace-empty p { max-width: 500px; margin: 11px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.6; }
.workspace-empty .tau-button { flex-shrink: 0; }
.workspace-progress { padding-block: 8px; }
.workspace-progress__heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; font-size: 14px; color: var(--ink-soft); }
.workspace-progress__heading strong { color: var(--ink); font-size: 44px; font-weight: 550; letter-spacing: -.06em; line-height: 1; font-variant-numeric: tabular-nums; }
.workspace-progress__bar { height: 7px; margin-top: 15px; overflow: hidden; background: var(--surface-soft); border-radius: 20px; }
.workspace-progress__bar span { display: block; height: 100%; background: var(--tau-wine); border-radius: inherit; }
.workspace-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 27px 0 0; }
.workspace-metrics > div { min-width: 0; padding-top: 17px; border-top: 1px solid var(--line-strong); }
.workspace-metrics dt { color: var(--ink-soft); font-size: 12px; }
.workspace-metrics dd { margin: 8px 0 0; color: var(--ink); font-size: clamp(27px, 3vw, 39px); font-weight: 550; line-height: 1; letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
.workspace-metrics--admin { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-block: 27px 56px; }
.admin-dashboard__courses { padding-top: 29px; border-top: 1px solid var(--line-strong); }
.admin-dashboard__courses .section-kicker { margin: 0; }
.admin-dashboard__courses h2 { max-width: none; }
.admin-dashboard__hint { margin: 10px 0 0; color: var(--ink-soft); font-size: 14px; }
.admin-dashboard__courses .workspace-empty { margin-top: 26px; }
.admin-dashboard__courses [data-course] { border-radius: 5px; }
.admin-dashboard__courses #filters button { min-height: 42px; border-radius: 5px; }
@media (max-width: 800px) {
  .workspace-hero { align-items: start; }
  .workspace-hero__identity { width: 210px; }
  .workspace-section { grid-template-columns: 1fr; gap: 23px; padding-block: 36px; }
  .workspace-section__heading h2 { max-width: none; }
}
@media (max-width: 600px) {
  .workspace-page { padding-block: 32px 70px; }
  .workspace-hero { display: block; padding-bottom: 40px; }
  .workspace-hero .section-kicker { margin-bottom: 17px; }
  .workspace-hero h1 { font-size: clamp(2.8rem, 12vw, 4.5rem); }
  .workspace-hero__lead { margin-top: 17px; font-size: 16px; }
  .workspace-hero__identity { width: 100%; margin-top: 25px; }
  .workspace-hero__profile { margin-top: 25px; }
  .workspace-links a { min-height: 98px; }
  .workspace-empty { display: block; min-height: 0; }
  .workspace-empty .tau-button { margin-top: 25px; }
  .workspace-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .workspace-metrics--admin { margin-bottom: 40px; }
}

.admin-course { padding-block: 24px 95px; }
.admin-course__breadcrumb { display: flex; align-items: center; gap: 13px; min-height: 52px; margin-bottom: clamp(28px, 4vw, 54px); color: var(--muted); font-size: 12px; }
.admin-course__breadcrumb a { display: inline-flex; align-items: center; min-height: 44px; color: var(--tau-wine); font-weight: 700; }
.admin-course__breadcrumb span:last-child { max-width: 350px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-course__hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .38fr); gap: clamp(35px, 6vw, 88px); padding-bottom: clamp(55px, 7vw, 100px); border-bottom: 1px solid var(--line-strong); }
.admin-course__intro .section-kicker { margin: 0 0 25px; }
.admin-course__status { display: inline-flex; align-items: center; min-height: 30px; padding: 4px 10px; border: 1px solid var(--line-strong); border-radius: 3px; color: var(--tau-wine); background: var(--tau-wine-soft); font-size: 11px; font-weight: 750; }
.admin-course__status--approved { color: var(--success); background: #e5f2ec; border-color: #c7e6d8; }
.admin-course__status--rejected { color: var(--danger); background: #fcf0f0; border-color: #eed1d5; }
.admin-course h1 { max-width: 850px; margin: 22px 0 0; font-size: clamp(3rem, 5.8vw, 6rem); font-weight: 550; line-height: 1; letter-spacing: -.065em; overflow-wrap: anywhere; }
.admin-course__description { max-width: 730px; margin: 28px 0 0; color: var(--ink-soft); font-size: clamp(16px, 1.4vw, 20px); line-height: 1.6; white-space: pre-line; overflow-wrap: anywhere; }
.admin-course__sidebar { padding-top: 88px; }
.admin-course__sidebar dl { margin: 0; border-top: 1px solid var(--line-strong); }
.admin-course__sidebar dl > div { display: flex; justify-content: space-between; gap: 18px; padding-block: 15px; border-bottom: 1px solid var(--line); }
.admin-course__sidebar dt { flex: 0 0 95px; color: var(--muted); font-size: 11px; }
.admin-course__sidebar dd { min-width: 0; margin: 0; text-align: right; font-size: 13px; font-weight: 650; overflow-wrap: anywhere; }
.admin-course__sidebar dd small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; font-weight: 400; }
.admin-course__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.admin-course__actions form { margin: 0; }
.admin-course__actions button { min-height: 46px; padding-inline: 17px; border-radius: 4px; font-size: 12px; font-weight: 700; }
.admin-course__delete { color: var(--danger); background: transparent; border: 1px solid var(--line-strong); }
.admin-course__delete:hover { background: #fcf0f0; border-color: #e4b5bd; }
.admin-course__curriculum { padding-top: clamp(48px, 6vw, 78px); }
.admin-course__section-heading { margin-bottom: 27px; }
.admin-course__section-heading .section-kicker { margin: 0; }
.admin-course__section-heading h2 { margin: 9px 0 0; font-size: clamp(2.1rem, 4vw, 3.8rem); font-weight: 550; line-height: 1.05; letter-spacing: -.058em; }
.admin-course__modules { display: grid; gap: 24px; }
.admin-course__module { display: grid; grid-template-columns: minmax(210px, .33fr) minmax(0, 1fr); gap: 30px; padding-block: 25px; border-top: 1px solid var(--line-strong); }
.admin-course__module-heading > span { color: var(--tau-wine); font-size: 11px; font-weight: 750; }
.admin-course__module-heading h3 { margin: 12px 0 0; font-size: clamp(23px, 2.5vw, 32px); font-weight: 560; letter-spacing: -.045em; line-height: 1.12; }
.admin-course__module-heading small { display: block; margin-top: 10px; color: var(--muted); font-size: 12px; }
.admin-course__module-empty { align-self: center; margin: 0; color: var(--muted); font-size: 14px; }
.admin-course__steps { grid-column: 2; display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.admin-course__steps li { display: flex; align-items: center; gap: 18px; min-height: 82px; padding-block: 12px; border-bottom: 1px solid var(--line); }
.admin-course__steps li > span { color: var(--tau-wine); font-size: 12px; font-weight: 700; }
.admin-course__steps li > div { display: grid; min-width: 0; gap: 4px; }
.admin-course__steps strong { font-size: 17px; font-weight: 620; overflow-wrap: anywhere; }
.admin-course__steps small { color: var(--muted); font-size: 12px; }
.admin-course__steps a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-left: auto; color: var(--tau-wine); font-size: 12px; font-weight: 700; white-space: nowrap; }
.admin-course__steps a:hover { text-decoration: underline; }
@media (max-width: 850px) {
  .admin-course__hero { grid-template-columns: 1fr; }
  .admin-course__sidebar { padding-top: 0; }
  .admin-course__sidebar dl { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px; }
  .admin-course__sidebar dl > div { display: block; }
  .admin-course__sidebar dd { margin-top: 7px; text-align: left; }
}
@media (max-width: 620px) {
  .admin-course { padding-bottom: 65px; }
  .admin-course__hero { gap: 35px; }
  .admin-course h1 { font-size: clamp(2.8rem, 11vw, 4.3rem); }
  .admin-course__description { margin-top: 20px; font-size: 16px; }
  .admin-course__sidebar dl { grid-template-columns: 1fr 1fr; }
  .admin-course__module { grid-template-columns: 1fr; gap: 19px; }
  .admin-course__steps { grid-column: auto; }
  .admin-course__steps li { gap: 12px; }
  .admin-course__steps a { font-size: 0; }
  .admin-course__steps a span { font-size: 23px; }
}

.teacher-courses { padding-top: 20px; }
.teacher-courses__hero { display: flex; align-items: end; justify-content: space-between; gap: 28px; padding-bottom: clamp(35px, 5vw, 65px); border-bottom: 1px solid var(--line-strong); }
.teacher-courses__hero .section-kicker { margin: 0 0 20px; }
.teacher-courses__hero h1 { margin: 0; font-size: clamp(3rem, 6vw, 6.4rem); font-weight: 550; line-height: 1; letter-spacing: -.065em; }
.teacher-courses__hero p:last-child { margin: 21px 0 0; color: var(--ink-soft); font-size: clamp(16px, 1.35vw, 19px); }
.teacher-courses__hero > a { flex: 0 0 auto; }
.teacher-courses > .workspace-empty { margin-top: 30px; }
.teacher-courses .workspace-empty h2 { margin: 17px 0 0; font-size: clamp(26px, 3vw, 38px); font-weight: 560; letter-spacing: -.055em; }
.teacher-courses__list { margin: 0; padding: 0; list-style: none; }
.teacher-courses__list li { display: grid; grid-template-columns: 55px minmax(0, 1fr) auto; align-items: center; gap: 20px; min-height: 154px; padding-block: 22px; border-bottom: 1px solid var(--line-strong); }
.teacher-courses__index { align-self: start; padding-top: 7px; color: var(--tau-wine); font-size: 11px; font-weight: 750; }
.teacher-courses__list h2 { margin: 0 0 10px; font-size: clamp(23px, 2.5vw, 35px); font-weight: 560; line-height: 1.1; letter-spacing: -.05em; overflow-wrap: anywhere; }
.teacher-courses__list a { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; padding: 8px 13px; border: 1px solid var(--line-strong); border-radius: 4px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.teacher-courses__list a:hover { background: var(--tau-wine-soft); }
@media (max-width: 650px) {
  .teacher-courses__hero { display: block; }
  .teacher-courses__hero > a { margin-top: 24px; }
  .teacher-courses__list li { grid-template-columns: 34px minmax(0, 1fr); gap: 10px; min-height: 0; }
  .teacher-courses__list a { grid-column: 2; justify-self: start; margin-top: 6px; }
}

.learning-list { padding-top: 20px; }
.learning-list > .workspace-empty { margin-top: 30px; }
.learning-list .workspace-empty h2 { margin: 17px 0 0; font-size: clamp(26px, 3vw, 38px); font-weight: 560; letter-spacing: -.055em; }
.learning-list__toolbar { display: flex; align-items: center; gap: 13px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.learning-list__toolbar label { flex: 0 0 auto; color: var(--tau-wine); font-size: 11px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.learning-list__toolbar input { flex: 1; min-width: 0; min-height: 48px; padding: 10px 13px; background: #fff; border: 1px solid var(--line-strong); border-radius: 4px; }
.learning-list__toolbar button { min-height: 46px; padding-inline: 14px; color: var(--tau-wine); background: transparent; border: 1px solid var(--line-strong); border-radius: 4px; font-size: 12px; font-weight: 700; }
.learning-list__items { margin: 0; padding: 0; list-style: none; }
.learning-list__items li { display: grid; grid-template-columns: 40px minmax(0, 1fr) minmax(150px, .2fr); gap: 20px; padding-block: 29px; border-bottom: 1px solid var(--line-strong); }
.learning-list__index { padding-top: 6px; color: var(--tau-wine); font-size: 11px; font-weight: 750; }
.learning-list__main h2 { margin: 0; font-size: clamp(23px, 2.6vw, 34px); font-weight: 560; letter-spacing: -.05em; line-height: 1.1; overflow-wrap: anywhere; }
.learning-list__main p { margin: 10px 0 0; color: var(--ink-soft); font-size: 13px; }
.learning-list__bar { max-width: 450px; height: 6px; margin-top: 24px; background: var(--surface-soft); border-radius: 8px; overflow: hidden; }
.learning-list__bar span { display: block; height: 100%; background: var(--tau-wine); border-radius: inherit; }
.learning-list__main small { display: block; margin-top: 9px; color: var(--muted); font-size: 11px; }
.learning-list__action { display: grid; justify-items: end; align-content: start; gap: 9px; }
.learning-list__action strong { font-size: 37px; font-weight: 550; letter-spacing: -.06em; line-height: 1; }
.learning-list__action a { color: var(--tau-wine); font-size: 12px; font-weight: 700; }
.learning-list__action a:first-of-type { display: inline-flex; align-items: center; gap: 7px; min-height: 42px; padding-inline: 11px; border: 1px solid var(--line-strong); border-radius: 4px; }
.learning-list__action a:hover { text-decoration: underline; }
.learning-list__no-results { padding: 40px 0; color: var(--ink-soft); }
@media (max-width: 650px) {
  .learning-list__toolbar { flex-wrap: wrap; }
  .learning-list__toolbar label { width: 100%; }
  .learning-list__items li { grid-template-columns: 26px minmax(0, 1fr); gap: 12px; }
  .learning-list__action { grid-column: 2; justify-items: start; }
  .learning-list__action strong { font-size: 28px; }
}

.teacher-videos { padding-top: 20px; }
.teacher-videos > .workspace-empty { margin-top: 30px; }
.teacher-videos .workspace-empty h2 { margin: 17px 0 0; font-size: clamp(26px, 3vw, 38px); font-weight: 560; letter-spacing: -.055em; }
.teacher-videos__grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 42px 24px; margin: 36px 0 0; padding: 0; list-style: none; }
.teacher-videos__item { min-width: 0; }
.teacher-videos__poster { position: relative; display: block; overflow: hidden; aspect-ratio: 16/9; background: var(--tau-wine); }
.teacher-videos__poster img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 260ms ease; }
.teacher-videos__poster:hover img { transform: scale(1.03); }
.teacher-videos__poster.is-image-failed img { display: none; }
.teacher-videos__fallback { display: flex; flex-direction: column; justify-content: space-between; height: 100%; padding: 20px; color: #fff; }
.teacher-videos__fallback small { font-size: 11px; font-weight: 700; letter-spacing: .13em; }
.teacher-videos__fallback strong { font-size: clamp(70px, 11vw, 160px); font-weight: 570; letter-spacing: -.09em; line-height: .8; }
.teacher-videos__info { padding-top: 17px; }
.teacher-videos__index { color: var(--tau-wine); font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.teacher-videos__info h2 { margin: 12px 0 0; font-size: clamp(23px, 2.6vw, 34px); font-weight: 560; letter-spacing: -.05em; line-height: 1.1; overflow-wrap: anywhere; }
.teacher-videos__info h2 a { color: var(--ink); }
.teacher-videos__info h2 a:hover { color: var(--tau-wine); }
.teacher-videos__info p, .teacher-videos__info small { display: block; margin: 8px 0 0; color: var(--muted); font-size: 12px; }
.teacher-videos__actions { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 23px; padding-top: 13px; border-top: 1px solid var(--line-strong); }
.teacher-videos__actions a { display: inline-flex; align-items: center; gap: 9px; min-height: 43px; font-size: 13px; font-weight: 700; }
.teacher-videos__actions button { min-height: 42px; padding-inline: 12px; color: var(--danger); background: transparent; border: 1px solid var(--line-strong); border-radius: 4px; font-size: 12px; font-weight: 700; }
.teacher-videos__actions button:hover { background: #fcf0f0; }
@media (max-width: 700px) { .teacher-videos__grid { grid-template-columns: 1fr; gap: 32px; } }

.teacher-course-form { padding-block: 30px 85px !important; }
.teacher-course-form__heading { padding-block: 30px 35px; border-bottom: 1px solid var(--line-strong); }
.teacher-course-form__heading .section-kicker { margin: 0 0 18px; }
.teacher-course-form__heading h1 { margin: 0; font-size: clamp(3rem, 5.3vw, 5.5rem); font-weight: 550; line-height: 1; letter-spacing: -.063em; }
.teacher-course-form__heading p:last-child { margin: 17px 0 0; color: var(--ink-soft); font-size: 17px; }
.teacher-course-form > form { padding: clamp(20px, 3vw, 38px) !important; border-radius: 4px !important; box-shadow: none !important; }
.teacher-course-form label { display: inline-block; color: var(--ink) !important; font-size: 13px; font-weight: 650; }
.teacher-course-form input:not([type="file"]):not([type="checkbox"]), .teacher-course-form textarea { color: var(--ink); background: var(--page); border-color: var(--line-strong); border-radius: 4px; }
.teacher-course-form input:focus, .teacher-course-form textarea:focus { outline: 3px solid rgba(116,22,61,.2); border-color: var(--tau-wine); }
.teacher-course-form #coverFallback { color: #fff !important; }
.teacher-course-form #coverPreview { aspect-ratio: 16/9; height: auto; }
.teacher-course-form #generateCoverMsg:empty { display: none; }
.teacher-course-form button { min-height: 45px; border-radius: 4px; }
.tau-text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--tau-wine); font-weight: 650; text-decoration: none; }
.tau-text-link:hover { text-decoration: underline; }
.workspace-alert { margin: 24px 0; padding: 15px 18px; border: 1px solid var(--line-strong); border-radius: 4px; }
.workspace-alert--error { color: #852144; background: #fff4f6; border-color: #d9aab9; }
.teacher-course-form form { margin-top: 24px; }
.teacher-course-form input[type="file"] { padding: 12px 14px; background: var(--page); border: 1px solid var(--line-strong); border-radius: 4px; }
@media (max-width: 650px) { .teacher-course-form { padding: 22px 18px 65px !important; } .teacher-course-form__heading h1 { font-size: clamp(2.8rem, 11vw, 4.2rem); } }

.video-watch-page { padding-block: 48px 100px; }
.video-watch-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, 340px); gap: clamp(28px, 4vw, 64px); margin-top: 26px; align-items: start; }
.video-watch-main, .video-watch-playlist { min-width: 0; }
.video-watch-player { overflow: hidden; background: #180e16; border-radius: 5px; aspect-ratio: 16 / 9; animation: video-player-arrive 500ms cubic-bezier(.2,.7,.25,1) both; }
.video-watch-player video { display: block; width: 100%; height: 100%; object-fit: contain; }
.video-watch-heading { padding: 35px 0 26px; border-bottom: 1px solid var(--line-strong); }
.video-watch-heading .section-kicker { margin: 0 0 15px; }
.video-watch-heading h1 { margin: 0; font-size: clamp(2.15rem, 4.4vw, 4.75rem); font-weight: 560; line-height: 1.02; letter-spacing: -.055em; overflow-wrap: anywhere; }
.video-watch-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 22px; color: var(--ink-soft); font-size: 14px; }
.video-watch-meta > * + *::before { content: '·'; margin-right: 22px; color: var(--tau-wine); }
.video-watch-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 22px 0; border-bottom: 1px solid var(--line-strong); }
.video-watch-actions .video-reaction { min-height: 45px; padding: 10px 15px; border: 1px solid var(--line-strong); border-radius: 4px; background: #fff; color: var(--ink); font-weight: 600; }
.video-watch-actions .video-reaction:hover, .video-watch-actions .video-reaction:focus-visible { border-color: var(--tau-wine); }
.video-watch-actions .video-reaction.is-selected { color: var(--tau-wine) !important; background: var(--tau-wine-soft) !important; }
.video-watch-actions__message { color: #852144; font-size: 13px; }
.video-watch-description { padding: 35px 0; border-bottom: 1px solid var(--line-strong); }
.video-watch-description h2, .video-watch-comments h2, .video-watch-playlist h2 { margin: 0 0 16px; font-size: clamp(1.55rem, 2.4vw, 2.4rem); font-weight: 570; letter-spacing: -.045em; }
.video-watch-description p { white-space: pre-line; line-height: 1.7; max-width: 66ch; }
.video-watch-comments { padding-top: 35px; }
.video-watch-comments h2 span { color: var(--tau-wine); font-size: .6em; vertical-align: top; }
.video-watch-comment-form { display: grid; gap: 12px; margin: 26px 0 34px; }
.video-watch-comment-form label, .video-watch-reply-form label { font-weight: 600; font-size: 13px; }
.video-watch-comment-form textarea, .video-watch-reply-form input { display: block; width: 100%; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: 4px; background: #fff; color: var(--ink); }
.video-watch-comment-form .tau-button { justify-self: start; }
.video-watch-empty { padding: 26px; color: var(--ink-soft); background: #fff; border: 1px solid var(--line-strong); border-radius: 4px; }
.video-watch-comment-list, .video-watch-replies, .video-watch-playlist ol { padding: 0; margin: 0; list-style: none; }
.video-watch-comment { padding: 20px 0; border-top: 1px solid var(--line-strong); }
.video-watch-comment__header { display: flex; flex-wrap: wrap; gap: 8px 15px; align-items: baseline; }
.video-watch-comment__header time { color: var(--ink-soft); font-size: 12px; }
.video-watch-comment p { margin: 9px 0; white-space: pre-line; overflow-wrap: anywhere; }
.video-watch-replies { margin: 12px 0 15px 20px; padding-left: 20px; border-left: 2px solid var(--line-strong); }
.video-watch-reply-form { margin-top: 14px; }
.video-watch-reply-form > div { display: flex; gap: 8px; margin-top: 6px; }
.video-watch-reply-form button { min-height: 44px; padding: 0 15px; color: #fff; background: var(--tau-wine); border-radius: 4px; white-space: nowrap; }
.video-watch-playlist { position: sticky; top: 30px; }
.video-watch-playlist .section-kicker { margin: 0 0 12px; }
.video-watch-playlist li { border-top: 1px solid var(--line-strong); }
.video-watch-playlist li a { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 15px; padding: 15px 0; color: var(--ink); }
.video-watch-playlist li a:hover strong { color: var(--tau-wine); }
.video-watch-playlist__image { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--tau-wine-dark); color: #fff; }
.video-watch-playlist__image img { width: 100%; height: 100%; object-fit: cover; }
.video-watch-playlist__image > span { display: grid; place-items: center; width: 100%; height: 100%; font-size: 11px; }
.video-watch-playlist__copy { display: grid; align-content: center; gap: 5px; min-width: 0; }
.video-watch-playlist__copy small { color: var(--tau-wine); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.video-watch-playlist__copy strong { font-size: 14px; line-height: 1.25; overflow-wrap: anywhere; transition: color .18s ease; }
.video-watch-playlist__copy > span { color: var(--ink-soft); font-size: 12px; }
.video-watch-playlist > .tau-text-link { margin-top: 15px; }
@media (max-width: 900px) { .video-watch-layout { grid-template-columns: 1fr; } .video-watch-playlist { position: static; } }
@media (max-width: 560px) { .video-watch-page { padding-block: 23px 70px; } .video-watch-layout { margin-top: 14px; } .video-watch-heading { padding-top: 25px; } .video-watch-meta > * + *::before { margin-right: 10px; } .video-watch-reply-form > div { flex-wrap: wrap; } }

.profile-page { padding-top: 20px; }
.profile-page__hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(270px, .36fr); align-items: end; gap: 45px; padding: 30px 0 clamp(48px, 6vw, 78px); border-bottom: 1px solid var(--line-strong); }
.profile-page__hero .section-kicker { margin: 0 0 19px; }
.profile-page__hero h1 { margin: 0; font-size: clamp(3.3rem, 6vw, 6.4rem); font-weight: 550; line-height: 1; letter-spacing: -.065em; }
.profile-page__hero p:last-child { margin: 19px 0 0; color: var(--ink-soft); font-size: clamp(16px, 1.4vw, 20px); }
.profile-page__identity { display: flex; align-items: center; gap: 17px; min-width: 0; padding-top: 20px; border-top: 1px solid var(--line-strong); }
.profile-page__identity img, .profile-page__identity > span { flex: 0 0 76px; width: 76px; height: 76px; object-fit: cover; border-radius: 5px; }
.profile-page__identity > span { display: grid; place-items: center; color: #fff; background: var(--tau-wine); font-size: 35px; font-weight: 550; }
.profile-page__identity div { display: grid; min-width: 0; gap: 3px; }
.profile-page__identity strong { font-size: 17px; font-weight: 650; line-height: 1.2; overflow-wrap: anywhere; }
.profile-page__identity small { color: var(--muted); font-size: 11px; overflow-wrap: anywhere; }
.profile-page__notice { margin-top: 25px; padding: 14px 16px; border: 1px solid var(--line-strong); border-radius: 4px; font-size: 14px; }
.profile-page__notice--error { color: var(--danger); background: #fcf0f0; }
.profile-page__notice--success { color: var(--success); background: #e5f2ec; }
.profile-page__forms { display: grid; gap: 34px; }
.profile-page__form { display: grid; align-content: start; gap: 15px; }
.profile-page__form > p, .profile-page__avatar-form p { margin: 0 0 5px; color: var(--ink-soft); font-size: 14px; }
.profile-page__form label { display: block; margin-bottom: 7px; color: var(--ink); font-size: 13px; font-weight: 650; }
.profile-page__form input:not([type="file"]) { width: 100%; min-height: 52px; padding: 11px 14px; color: var(--ink); background: #fff; border: 1px solid var(--line-strong); border-radius: 4px; }
.profile-page__form input[type="file"] { width: 100%; min-height: 53px; padding: 10px; background: #fff; border: 1px solid var(--line-strong); border-radius: 4px; font-size: 12px; }
.profile-page__name-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.profile-page__form .tau-button { justify-self: start; min-height: 48px; }
.profile-page__avatar-form { padding-top: 22px; border-top: 1px solid var(--line); }
@media (max-width: 800px) { .profile-page__hero { grid-template-columns: 1fr; gap: 29px; } .profile-page__identity { max-width: 430px; } }
@media (max-width: 550px) { .profile-page__hero h1 { font-size: clamp(3rem, 12vw, 4.5rem); } .profile-page__name-grid { grid-template-columns: 1fr; } }

/* Video watch: dark media stage and light learning details */
.video-watch.site-container { width:min(calc(100% - 64px),1500px); max-width:1500px; margin-inline:auto; padding:clamp(24px,3vw,42px) 0 88px; }
.video-watch.site-container .video-watch__breadcrumb { display:inline-flex; align-items:center; gap:10px; min-height:40px; margin:0 0 19px; color:var(--ink-soft); font-size:13px; font-weight:600; }
.video-watch__breadcrumb span { color:var(--tau-wine); font-size:19px; transition:transform var(--motion-fast); }
.video-watch__breadcrumb:hover { color:var(--tau-wine); }.video-watch__breadcrumb:hover span { transform:translateX(-3px); }
.video-watch__grid { display:grid; grid-template-columns:minmax(0,2.25fr) minmax(330px,.92fr); grid-template-areas:"primary playlist" "lower playlist"; align-items:start; gap:30px clamp(24px,2.2vw,36px); }
.video-watch__primary { grid-area:primary; min-width:0; }.video-watch__lower { grid-area:lower; min-width:0; }
.video-watch__player { position:relative; overflow:hidden; width:100%; aspect-ratio:16 / 9; background:#100d10; border:1px solid rgba(61,35,49,.18); border-radius:10px; box-shadow:0 16px 44px rgba(43,23,34,.13); animation:video-player-arrive 500ms cubic-bezier(.2,.7,.25,1) both; }
.video-watch__player video { display:block; width:100%; height:100%; object-fit:contain; background:#100d10; }
.video-watch__player-status { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; flex-direction:column; gap:10px; color:#f7f0f3; background:linear-gradient(145deg,rgba(20,13,18,.12),rgba(20,13,18,.58)); font-size:13px; font-weight:550; text-align:center; pointer-events:none; transition:opacity 220ms,visibility 220ms; }
.video-watch__player[data-player-state="ready"] .video-watch__player-status { visibility:hidden; opacity:0; }.video-watch__spinner { width:24px; height:24px; border:2px solid rgba(255,255,255,.35); border-top-color:#f1bbcc; border-radius:50%; animation:video-spinner 850ms linear infinite; }.video-watch__player[data-player-state="error"] .video-watch__spinner { display:none; }
.video-watch__retry { pointer-events:auto; padding:8px 13px; color:#fff; background:rgba(255,255,255,.13); border:1px solid rgba(255,255,255,.36); border-radius:6px; }.video-watch__retry:hover { background:rgba(255,255,255,.22); }
.video-watch__details { padding:24px 2px 0; animation:video-copy-arrive 450ms 80ms ease both; }.video-watch__eyebrow { display:flex; align-items:center; gap:8px; margin:0 0 8px; color:var(--tau-wine); font-size:10px; font-weight:750; letter-spacing:.12em; line-height:1.4; text-transform:uppercase; }.video-watch__eyebrow span { color:#ae8295; font-size:14px; }
.video-watch__heading { max-width:1050px; margin:0; color:var(--ink); font-size:clamp(1.8rem,3.1vw,3.3rem); font-weight:570; letter-spacing:-.052em; line-height:1.08; overflow-wrap:anywhere; }
.video-watch__byline { display:flex; align-items:center; gap:12px; margin-top:22px; }.video-watch__author-icon { display:grid; width:40px; height:40px; flex:0 0 40px; place-items:center; color:var(--tau-wine); background:var(--tau-wine-soft); border:1px solid #ead6e0; border-radius:50%; }.video-watch__author-icon .tau-icon { width:19px; height:19px; }.video-watch__author-copy { display:grid; gap:1px; }.video-watch__author-label { color:var(--muted); font-size:11px; line-height:1.25; }.video-watch__author-name { color:var(--ink); font-size:15px; font-weight:660; line-height:1.35; }
.video-watch__meta { display:flex; flex-wrap:wrap; gap:8px 22px; margin:15px 0 0 52px; color:var(--ink-soft); font-size:12px; }.video-watch__meta > * + *::before { content:none; }.video-watch__meta-item { display:inline-flex; align-items:center; gap:7px; min-height:24px; }.video-watch__meta-item .tau-icon,.video-watch__tags .tau-icon { width:15px; height:15px; color:#94727f; }
.video-watch__actions-row { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:14px 20px; margin-top:19px; padding:16px 0 0; border-top:1px solid var(--line); }.video-watch__reactions { display:inline-flex; align-items:center; gap:8px; min-height:42px; }.video-watch .video-reaction { display:inline-flex; min-width:76px; min-height:42px; align-items:center; justify-content:center; gap:9px; padding:8px 13px; color:var(--ink-soft); background:#fff; border:1px solid var(--line-strong); border-radius:7px; font-size:13px; font-variant-numeric:tabular-nums; font-weight:650; transition:color var(--motion-fast),background var(--motion-fast),border-color var(--motion-fast),transform var(--motion-fast); }.video-watch .video-reaction:hover:not(:disabled) { color:var(--tau-wine); background:#fbf6f8; border-color:#cba8b8; transform:translateY(-1px); }.video-watch .video-reaction:active:not(:disabled) { transform:scale(.97); }.video-watch .video-reaction .tau-icon { width:17px; height:17px; }.video-watch .video-reaction.is-selected { color:#fff !important; background:var(--tau-wine) !important; border-color:var(--tau-wine) !important; }.video-watch__tags { display:inline-flex; align-items:center; gap:7px; max-width:100%; color:var(--muted); font-size:12px; }.video-watch__tags span { overflow-wrap:anywhere; }.video-watch__reaction-status,.video-watch__login-hint { color:#873749; font-size:12px; }.video-watch__login-hint { margin:8px 0 0; }.video-watch__login-hint a,.video-watch__comment-login a { color:var(--tau-wine); font-weight:700; text-decoration:underline; text-underline-offset:3px; }
.video-watch__playlist { grid-area:playlist; position:sticky; top:96px; min-width:0; max-height:calc(100vh - 116px); overflow:hidden; padding:20px 17px 17px; color:#fbf5f8; background:radial-gradient(ellipse at 100% 0%,rgba(130,69,98,.2),transparent 38%),#2b1722; border:1px solid rgba(116,22,61,.2); border-radius:11px; box-shadow:0 12px 35px rgba(43,23,34,.1); animation:video-copy-arrive 500ms 110ms ease both; }.video-watch__playlist-head { display:flex; align-items:end; justify-content:space-between; gap:12px; margin:0 1px 15px; }.video-watch__playlist-head .video-watch__eyebrow { margin:0 0 5px; color:#d7a4ba; font-size:9px; letter-spacing:.105em; }.video-watch__playlist-head h2 { margin:0; color:#fff; font-size:20px; font-weight:570; letter-spacing:-.035em; line-height:1.15; }.video-watch__playlist-count { flex:0 0 auto; padding:5px 8px; color:#e6d6dd; background:rgba(255,255,255,.075); border:1px solid rgba(255,255,255,.11); border-radius:5px; font-size:10px; font-variant-numeric:tabular-nums; line-height:1.25; }
.video-watch__playlist-list { display:grid; max-height:min(680px,calc(100vh - 230px)); gap:4px; overflow:auto; margin:0; padding:2px 5px 3px 0; list-style:none; scrollbar-color:#846674 rgba(255,255,255,.07); scrollbar-width:thin; }.video-watch__playlist-list::-webkit-scrollbar { width:7px; }.video-watch__playlist-list::-webkit-scrollbar-track { background:rgba(255,255,255,.07); border-radius:7px; }.video-watch__playlist-list::-webkit-scrollbar-thumb { background:#806572; border:2px solid #2b1722; border-radius:7px; }.video-watch__playlist-item { min-width:0; margin:0; border-left:3px solid transparent; border-radius:5px; transition:background-color var(--motion-fast),border-color var(--motion-fast); }.video-watch__playlist-item:hover { background:rgba(255,255,255,.075); }.video-watch__playlist-item.is-current { background:rgba(255,255,255,.09); border-left-color:#dda9bf; }.video-watch__playlist-card { display:grid; grid-template-columns:minmax(96px,38%) minmax(0,1fr); min-height:83px; align-items:center; gap:11px; padding:7px 7px 7px 8px; color:#fbf5f8; text-decoration:none; }.video-watch__playlist-card:hover { color:#fff; }.video-watch__playlist-card:focus-visible { outline-color:#e7b8ca; outline-offset:-2px; }.video-watch__thumb { position:relative; display:grid; overflow:hidden; width:100%; aspect-ratio:16 / 9; place-items:center; background:linear-gradient(145deg,#44303d,#181116); border:1px solid rgba(255,255,255,.11); border-radius:5px; }.video-watch__thumb img { display:block; width:100%; height:100%; object-fit:cover; transition:transform 280ms cubic-bezier(.2,.7,.25,1); }.video-watch__playlist-item:hover .video-watch__thumb img { transform:scale(1.045); }.video-watch__thumb-empty { display:grid; width:100%; height:100%; place-items:center; color:#d6a7ba; background:radial-gradient(circle at 65% 25%,rgba(233,183,202,.2),transparent 55%); }.video-watch__thumb-empty .tau-icon { width:25px; height:25px; }.video-watch__playlist-copy { display:grid; min-width:0; gap:3px; align-content:center; }.video-watch__playlist-title { display:-webkit-box; overflow:hidden; color:#fcf9fa; font-size:12px; font-weight:650; letter-spacing:-.01em; line-height:1.35; overflow-wrap:anywhere; -webkit-box-orient:vertical; -webkit-line-clamp:2; transition:color var(--motion-fast); }.video-watch__playlist-item:hover .video-watch__playlist-title { color:#f0c8d7; }.video-watch__playlist-subtitle { overflow:hidden; color:#c6b6bd; font-size:10px; line-height:1.35; text-overflow:ellipsis; white-space:nowrap; }.video-watch__playlist-status { color:#bcabb2; font-size:9px; line-height:1.25; }.video-watch__playlist-item.is-current .video-watch__playlist-status { color:#f0bbcf; font-weight:680; }.video-watch__playlist-empty { color:#ded0d6; font-size:13px; }
.video-watch__description { margin:8px 0 26px; padding:18px 20px 20px; background:#f3eef1; border:1px solid #e7dce2; border-radius:8px; }.video-watch__description h2 { margin:0 0 8px; color:var(--ink); font-size:16px; font-weight:700; letter-spacing:-.02em; }.video-watch__description p { margin:0; color:#493740; font-size:14px; line-height:1.75; white-space:pre-wrap; overflow-wrap:anywhere; }.video-watch__description-details summary { width:fit-content; color:var(--tau-wine); cursor:pointer; font-size:13px; font-weight:680; }.video-watch__description-details p { margin-top:12px; }
.video-watch__comments { padding:23px 22px 22px; background:#fff; border:1px solid var(--line); border-radius:9px; box-shadow:0 8px 26px rgba(55,26,40,.045); }.video-watch__comments-head { display:flex; align-items:end; justify-content:space-between; gap:14px; padding:0 0 16px; border-bottom:1px solid var(--line); }.video-watch__comments-head .video-watch__eyebrow { margin-bottom:5px; }.video-watch__comments-head h2 { display:flex; align-items:baseline; gap:8px; margin:0; color:var(--ink); font-size:24px; font-weight:590; letter-spacing:-.045em; line-height:1.2; }.video-watch__comments-count { color:var(--muted); font-size:12px; font-weight:500; letter-spacing:0; font-variant-numeric:tabular-nums; }.video-watch__comment-form { display:grid; gap:8px; margin:18px 0 0; }.video-watch__comment-form textarea { display:block; width:100%; min-height:82px; resize:vertical; padding:12px 13px; color:var(--ink); background:#fcfafb; border:1px solid #dfd2d9; border-radius:6px; outline:none; font-size:14px; line-height:1.55; transition:border-color var(--motion-fast),box-shadow var(--motion-fast),background var(--motion-fast); }.video-watch__comment-form textarea:focus-visible { background:#fff; border-color:var(--tau-wine); box-shadow:var(--shadow-focus); }.video-watch__comment-form textarea::placeholder { color:#8c7a83; opacity:1; }.video-watch__comment-form-foot { display:flex; align-items:center; justify-content:flex-end; flex-wrap:wrap; gap:8px 12px; }.video-watch__comment-feedback { flex:1 1 180px; margin:0; color:#873749; font-size:12px; }.video-watch__submit { display:inline-flex; min-height:42px; align-items:center; justify-content:center; gap:12px; padding:9px 15px; color:#fff; background:var(--tau-wine); border:1px solid var(--tau-wine); border-radius:5px; font-size:13px; font-weight:650; transition:background var(--motion-fast),transform var(--motion-fast); }.video-watch__submit:hover:not(:disabled) { background:var(--tau-wine-dark); transform:translateY(-1px); }.video-watch__submit span[aria-hidden] { font-size:17px; line-height:1; }.video-watch__comment-login { margin:17px 0 5px; padding:13px 15px; color:#51424a; background:#f7f2f4; border:1px solid #ebdfe5; border-radius:6px; font-size:13px; }.video-watch__comment-list { display:grid; }.video-watch__empty-comments { display:flex; align-items:center; gap:11px; margin:0; padding:24px 0 7px; color:#70616a; font-size:13px; }.video-watch__empty-comments span { display:grid; width:32px; height:32px; flex:0 0 32px; place-items:center; color:var(--tau-wine); background:var(--tau-wine-soft); border-radius:50%; font-size:17px; }.video-watch__comment { padding:18px 0 16px; border-bottom:1px solid #f0e8ec; animation:video-copy-arrive 260ms ease both; }.video-watch__comment:last-child { border-bottom:0; }.video-watch__comment-author { color:var(--ink); font-size:13px; font-weight:700; line-height:1.35; }.video-watch__comment-content p,.video-watch__reply p { margin:5px 0; color:#443640; font-size:13px; line-height:1.65; white-space:pre-wrap; overflow-wrap:anywhere; }.video-watch__comment time,.video-watch__reply time { color:#85747d; font-size:10px; }.video-watch__reply-toggle { display:inline-flex; min-height:36px; align-items:center; margin:5px 0 0 -9px; padding:5px 9px; color:var(--tau-wine); background:transparent; border:0; border-radius:4px; font-size:12px; font-weight:650; }.video-watch__reply-toggle:hover { background:var(--tau-wine-soft); }.video-watch__reply-form { display:grid; gap:8px; margin:9px 0 12px; }.video-watch__reply-cancel { min-height:42px; padding:8px 12px; color:var(--ink-soft); background:transparent; border:1px solid var(--line-strong); border-radius:5px; font-size:12px; font-weight:600; }.video-watch__replies { display:grid; gap:12px; margin:13px 0 0 13px; padding-left:15px; border-left:2px solid #eadce3; }.video-watch__reply { padding:1px 0; animation:video-copy-arrive 260ms ease both; }
@keyframes video-spinner { to { transform:rotate(360deg); } }@keyframes video-player-arrive { from { opacity:.65; transform:translateY(8px) scale(.992); } to { opacity:1; transform:translateY(0) scale(1); } }@keyframes video-copy-arrive { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }
@media (max-width:900px) { .video-watch.site-container { width:min(calc(100% - 40px),760px); padding-top:22px; }.video-watch__grid { grid-template-columns:minmax(0,1fr); grid-template-areas:"primary" "playlist" "lower"; gap:24px; }.video-watch__playlist { position:static; max-height:none; overflow:visible; padding:18px; }.video-watch__playlist-list { grid-template-columns:repeat(auto-fit,minmax(min(100%,310px),1fr)); max-height:none; overflow:visible; padding-right:0; }.video-watch__playlist-card { grid-template-columns:minmax(100px,34%) minmax(0,1fr); }.video-watch__lower { display:grid; gap:22px; }.video-watch__description { margin:0; } }
@media (max-width:520px) { .video-watch.site-container { width:calc(100% - 32px); padding-top:13px; padding-bottom:54px; }.video-watch__breadcrumb { margin-bottom:12px; }.video-watch__grid { gap:19px; }.video-watch__player { border-radius:6px; }.video-watch__details { padding-top:17px; }.video-watch__heading { font-size:clamp(1.7rem,8vw,2.45rem); }.video-watch__byline { margin-top:17px; }.video-watch__meta { gap:5px 15px; margin-top:12px; margin-left:0; }.video-watch__actions-row { align-items:flex-start; flex-direction:column; gap:8px; margin-top:13px; padding-top:13px; }.video-watch__reactions { width:100%; }.video-watch .video-reaction { min-height:44px; }.video-watch__playlist { padding:15px 12px 12px; border-radius:8px; }.video-watch__playlist-head { align-items:center; margin-inline:2px; }.video-watch__playlist-head h2 { font-size:18px; }.video-watch__playlist-list { grid-template-columns:minmax(0,1fr); gap:3px; }.video-watch__playlist-card { grid-template-columns:116px minmax(0,1fr); min-height:78px; gap:10px; padding:6px 5px 6px 7px; }.video-watch__lower { gap:17px; }.video-watch__description { padding:15px; }.video-watch__comments { padding:18px 15px 16px; }.video-watch__comments-head h2 { font-size:21px; }.video-watch__comment-form-foot { justify-content:stretch; }.video-watch__comment-feedback { flex-basis:100%; }.video-watch__submit { min-width:100%; } }
@media (max-width:350px) { .video-watch.site-container { width:calc(100% - 24px); }.video-watch__playlist-card { grid-template-columns:100px minmax(0,1fr); }.video-watch__comments { padding-inline:12px; }.video-watch__meta { font-size:11px; } }
@media (prefers-reduced-motion:reduce) { .video-watch { scroll-behavior:auto !important; } }

/* Current video page composition */
.video-watch-page.site-container { width:min(calc(100% - 64px),1500px); max-width:1500px; padding:30px 0 88px; }
.video-watch-back { margin-bottom:16px; }.video-watch-layout { grid-template-columns:minmax(0,2.35fr) minmax(330px,.9fr); gap:clamp(26px,3vw,42px); margin-top:0; }.video-watch-player { position:relative; border:1px solid rgba(61,35,49,.2); border-radius:10px; box-shadow:0 16px 44px rgba(43,23,34,.13); }.video-watch-player__status { position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px; color:#f6edf1; background:linear-gradient(145deg,rgba(20,13,18,.1),rgba(20,13,18,.55)); font-size:13px; font-weight:650; pointer-events:none; transition:opacity .2s,visibility .2s; }.video-watch-player[data-player-state="ready"] .video-watch-player__status { visibility:hidden; opacity:0; }.video-watch-player__spinner { width:24px; height:24px; border:2px solid rgba(255,255,255,.35); border-top-color:#f1bbcc; border-radius:50%; animation:video-spinner 850ms linear infinite; }.video-watch-player[data-player-state="error"] .video-watch-player__spinner { display:none; }.video-watch-player__status button { pointer-events:auto; padding:8px 13px; color:#fff; background:rgba(255,255,255,.13); border:1px solid rgba(255,255,255,.36); border-radius:6px; font-size:12px; }
.video-watch-heading { padding:25px 0 18px; }.video-watch-heading h1 { font-size:clamp(2rem,3.35vw,3.55rem); }.video-watch-author { display:flex; align-items:center; gap:11px; margin-top:20px; }.video-watch-author > span { display:grid; width:40px; height:40px; place-items:center; color:var(--tau-wine); background:var(--tau-wine-soft); border:1px solid #ead6e0; border-radius:50%; }.video-watch-author .tau-icon { width:19px; height:19px; }.video-watch-author div { display:grid; gap:1px; }.video-watch-author small { color:var(--muted); font-size:11px; }.video-watch-author strong { font-size:15px; font-weight:660; line-height:1.25; }.video-watch-meta { margin:14px 0 0 51px; gap:8px 21px; font-size:12px; }.video-watch-meta span,.video-watch-meta time { display:inline-flex; align-items:center; gap:7px; }.video-watch-meta .tau-icon { width:15px; height:15px; color:#94727f; }.video-watch-actions { align-items:center; gap:9px; padding:15px 0; }.video-watch-reaction-group { display:flex; gap:8px; }.video-watch-actions .video-reaction { min-width:72px; min-height:42px; padding:8px 12px; border-radius:7px; }.video-watch-actions .video-reaction .tau-icon { width:17px; height:17px; }.video-watch-actions .video-reaction.is-selected { color:#fff !important; background:var(--tau-wine) !important; border-color:var(--tau-wine) !important; }.video-watch-signin-hint { margin:0 0 13px; padding:10px 13px; color:#604b55; background:#f7f2f4; border:1px solid var(--line); border-radius:6px; font-size:13px; }.video-watch-signin-hint a { color:var(--tau-wine); font-weight:700; text-decoration:underline; text-underline-offset:3px; }
.video-watch-playlist { top:96px; max-height:calc(100vh - 116px); overflow:hidden; padding:19px 16px 14px; color:#fbf5f8; background:radial-gradient(ellipse at 100% 0%,rgba(130,69,98,.2),transparent 38%),#2b1722; border:1px solid rgba(116,22,61,.2); border-radius:11px; box-shadow:0 12px 35px rgba(43,23,34,.1); }.video-watch-playlist .section-kicker { color:#d7a4ba; }.video-watch-playlist__head { display:flex; align-items:end; justify-content:space-between; gap:12px; margin:0 1px 14px; }.video-watch-playlist__head h2 { color:#fff; font-size:21px; }.video-watch-playlist__head > span { flex:0 0 auto; padding:5px 8px; color:#e6d6dd; background:rgba(255,255,255,.075); border:1px solid rgba(255,255,255,.11); border-radius:5px; font-size:10px; }.video-watch-playlist ol { display:grid; max-height:min(680px,calc(100vh - 236px)); gap:4px; overflow:auto; padding:2px 5px 2px 0; scrollbar-color:#846674 rgba(255,255,255,.07); scrollbar-width:thin; }.video-watch-playlist ol::-webkit-scrollbar { width:7px; }.video-watch-playlist ol::-webkit-scrollbar-thumb { background:#806572; border:2px solid #2b1722; border-radius:7px; }.video-watch-playlist li { border-top:0; border-left:3px solid transparent; border-radius:5px; transition:background .18s,border-color .18s; }.video-watch-playlist li:hover { background:rgba(255,255,255,.075); }.video-watch-playlist li.is-current { background:rgba(255,255,255,.1); border-left-color:#dda9bf; }.video-watch-playlist .video-watch-playlist__card { display:grid; grid-template-columns:minmax(98px,38%) minmax(0,1fr); gap:11px; min-height:82px; padding:7px 7px 7px 8px; color:#fbf5f8; }.video-watch-playlist__image { border:1px solid rgba(255,255,255,.11); border-radius:5px; }.video-watch-playlist__image img { transition:transform .28s ease; }.video-watch-playlist li:hover img { transform:scale(1.045); }.video-watch-playlist__copy strong { color:#fcf9fa; font-size:12px; font-weight:650; }.video-watch-playlist__copy > span { color:#c6b6bd; font-size:10px; }.video-watch-playlist__copy small { color:#f0bbcf; font-size:9px; letter-spacing:0; }.video-watch-playlist li:not(.is-current) small { color:#bcabb2; }
.video-watch-description { padding:18px 20px 20px; background:#f3eef1; border:1px solid #e7dce2; border-radius:8px; }.video-watch-comments { margin-top:25px; padding:23px 22px 22px; background:#fff; border:1px solid var(--line); border-radius:9px; box-shadow:0 8px 26px rgba(55,26,40,.045); }.video-watch-comments h2 { padding-bottom:16px; border-bottom:1px solid var(--line); }.video-watch-comment-form { margin:18px 0 24px; }.video-watch-comment-form textarea { min-height:82px; background:#fcfafb; }.video-watch-empty { border:0; border-radius:0; background:transparent; padding:18px 0; }.video-watch-comment-list { display:grid; }.video-watch-comment { padding:18px 0 16px; border-bottom:1px solid #f0e8ec; }.video-watch-comment__header { align-items:baseline; }.video-watch-comment__header time { font-size:10px; }.video-watch-replies { border-left-color:#eadce3; }
@media (max-width:900px) { .video-watch-page.site-container { width:min(calc(100% - 40px),760px); }.video-watch-playlist { position:static; max-height:none; }.video-watch-playlist ol { grid-template-columns:repeat(auto-fit,minmax(min(100%,310px),1fr)); max-height:none; overflow:visible; padding-right:0; } }
@media (max-width:520px) { .video-watch-page.site-container { width:calc(100% - 32px); padding-top:14px; padding-bottom:54px; }.video-watch-heading { padding-top:18px; }.video-watch-heading h1 { font-size:clamp(1.75rem,8vw,2.5rem); }.video-watch-meta { margin-left:0; gap:5px 15px; }.video-watch-actions { padding-block:13px; }.video-watch-playlist { padding:15px 12px 12px; }.video-watch-playlist ol { grid-template-columns:1fr; }.video-watch-playlist .video-watch-playlist__card { grid-template-columns:116px minmax(0,1fr); min-height:78px; }.video-watch-comments { margin-top:18px; padding:18px 15px; }.video-watch-comment-form .tau-button { width:100%; justify-content:center; } }
@media (max-width:900px) { .video-watch-page.site-container .video-watch-layout { grid-template-columns:minmax(0,1fr); } }
/* Let the lecture's sections participate in the layout so the mobile order can place the library before discussion. */
.video-watch-layout > .video-watch-main { display:contents; }.video-watch-layout > .video-watch-player { grid-column:1; grid-row:1; }.video-watch-layout > .video-watch-heading { grid-column:1; grid-row:2; }.video-watch-layout > .video-watch-actions { grid-column:1; grid-row:3; }.video-watch-layout > .video-watch-signin-hint { grid-column:1; grid-row:4; }.video-watch-layout > .video-watch-description { grid-column:1; grid-row:5; }.video-watch-layout > .video-watch-comments { grid-column:1; grid-row:6; }.video-watch-layout > .video-watch-playlist { grid-column:2; grid-row:1 / span 6; }
@media (max-width:900px) { .video-watch-layout > .video-watch-player { grid-column:1; grid-row:1; }.video-watch-layout > .video-watch-heading { grid-column:1; grid-row:2; }.video-watch-layout > .video-watch-actions { grid-column:1; grid-row:3; }.video-watch-layout > .video-watch-signin-hint { grid-column:1; grid-row:4; }.video-watch-layout > .video-watch-playlist { grid-column:1; grid-row:5; }.video-watch-layout > .video-watch-description { grid-column:1; grid-row:6; }.video-watch-layout > .video-watch-comments { grid-column:1; grid-row:7; } }
.video-watch-layout > .video-watch-main > .video-watch-player { grid-column:1; grid-row:1; }.video-watch-layout > .video-watch-main > .video-watch-heading { grid-column:1; grid-row:2; }.video-watch-layout > .video-watch-main > .video-watch-actions { grid-column:1; grid-row:3; }.video-watch-layout > .video-watch-main > .video-watch-signin-hint { grid-column:1; grid-row:4; }.video-watch-layout > .video-watch-main > .video-watch-description { grid-column:1; grid-row:5; }.video-watch-layout > .video-watch-main > .video-watch-comments { grid-column:1; grid-row:6; }
@media (max-width:900px) { .video-watch-layout > .video-watch-main > .video-watch-player { grid-row:1; }.video-watch-layout > .video-watch-main > .video-watch-heading { grid-row:2; }.video-watch-layout > .video-watch-main > .video-watch-actions { grid-row:3; }.video-watch-layout > .video-watch-main > .video-watch-signin-hint { grid-row:4; }.video-watch-layout > .video-watch-playlist { grid-column:1; grid-row:5; }.video-watch-layout > .video-watch-main > .video-watch-description { grid-row:6; }.video-watch-layout > .video-watch-main > .video-watch-comments { grid-row:7; } }