/* dpdpcourse.in. Layout: sticky brand bar, hero with the DPDP Rules countdown, featured programme, course grid,
   contact, footer. The learner area and admin reuse the same tokens. */
:root {
  --paper: #F5F7FB;
  --surface: #FFFFFF;
  --surface-2: #EDF1F7;
  --ink: #0D1B33;
  --ink-2: #3D4A63;
  --ink-3: #5F6B84;
  --line: #D8E0EB;
  --brand: #024595;
  --brand-hover: #01377A;
  --brand-ink: #024595;
  --brand-soft: #E4EDF9;
  --on-brand: #FFFFFF;
  --saffron: #F67714;
  --saffron-display: #E2630A;
  --saffron-ink: #A84A06;
  --saffron-soft: #FFEFE1;
  --leaf: #339F36;
  --leaf-ink: #1D7321;
  --leaf-soft: #E5F3E5;
  --danger: #B42318;
  --on-danger: #FFFFFF;
  --danger-soft: #FCEBE9;
  --cover-blue: #024595;
  --cover-navy: #13284D;
  --cover-orange: #D35A08;
  --cover-green: #23802A;
  --on-cover: #FFFFFF;
  --shadow: 0 1px 2px rgb(13 27 51 / 6%), 0 10px 30px rgb(13 27 51 / 7%);
  --logo-light: block;
  --logo-dark: none;
  --font-display: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Mukta", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #09111F; --surface: #101A2D; --surface-2: #16233A; --ink: #E8EEF7; --ink-2: #B5C0D3; --ink-3: #8C99B0; --line: #25334D;
    --brand: #2D66C4; --brand-hover: #3A75D6; --brand-ink: #8DB6FF; --brand-soft: #132647; --on-brand: #FFFFFF;
    --saffron: #FF8A33; --saffron-display: #FF8A33; --saffron-ink: #FFA864; --saffron-soft: #35210F;
    --leaf: #4CC255; --leaf-ink: #7AD881; --leaf-soft: #122D19;
    --danger: #F2837A; --on-danger: #2B0B08; --danger-soft: #3A1614;
    --cover-blue: #0E4BA3; --cover-navy: #1C3260; --cover-orange: #C2560B; --cover-green: #237A2A;
    --shadow: 0 1px 2px rgb(0 0 0 / 35%), 0 12px 32px rgb(0 0 0 / 30%);
    --logo-light: none; --logo-dark: block;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; padding-bottom: env(safe-area-inset-bottom, 0px); }
[hidden] { display: none !important; }
img { max-width: 100%; }
h1, h2, h3, h4, h5 { font-family: var(--font-display); color: var(--ink); margin: 0; text-wrap: balance; }
h1 { font-weight: 800; letter-spacing: -0.025em; }
h2 { font-weight: 700; font-size: clamp(1.4rem, 1.1rem + 1.1vw, 1.95rem); line-height: 1.2; letter-spacing: -0.015em; }
h3 { font-weight: 600; font-size: 1.12rem; line-height: 1.35; }
p { margin: 0; }
a { color: var(--brand-ink); text-underline-offset: 3px; }
code { font-family: var(--font-mono); font-size: .84em; background: var(--surface-2); padding: 1px 5px; border-radius: 5px; overflow-wrap: anywhere; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand-ink) 55%, transparent); outline-offset: 2px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: 100%; max-width: 1180px; margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
@media (min-width: 720px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }
.wrap.narrow { max-width: 860px; }
.page-pad { padding-block: 28px 64px; }
.eyebrow { font-weight: 700; font-size: .78rem; line-height: 1.4; letter-spacing: .11em; text-transform: uppercase; color: var(--ink-3); }
.muted { color: var(--ink-3); }
.strong { font-weight: 600; }
.fine { color: var(--ink-3); font-size: .9rem; }
.center { text-align: center; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 30; background: var(--surface); color: var(--brand-ink); padding: 8px 14px; border-radius: 10px; font-weight: 600; border: 1px solid var(--line); }
.skip:focus { top: calc(8px + env(safe-area-inset-top, 0px)); }
.page-title { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem); line-height: 1.12; }
.lede { font-size: 1.12rem; color: var(--ink-2); max-width: 62ch; }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.page-head .page-title { margin-top: 4px; }
.actions-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.stack { display: grid; gap: 12px; }
.inline-form { display: inline-flex; margin: 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent; font-family: var(--font-body); font-weight: 600; font-size: .98rem; line-height: 1.2; text-decoration: none; cursor: pointer; background: transparent; color: var(--ink); transition: background-color .15s ease, border-color .15s ease, color .15s ease; white-space: nowrap; }
.btn-primary { background: var(--brand); color: var(--on-brand); }
.btn-primary:hover { background: var(--brand-hover); }
.btn-secondary { color: var(--brand-ink); border-color: color-mix(in srgb, var(--brand-ink) 35%, transparent); background: var(--surface); }
.btn-secondary:hover { background: var(--brand-soft); }
.btn-ghost { color: var(--ink-2); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-danger { background: var(--danger); color: var(--on-danger); }
.btn-sm { min-height: 36px; padding: 0 13px; font-size: .9rem; }
.btn-lg { min-height: 50px; padding: 0 24px; font-size: 1.02rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.icon-btn { width: 36px; height: 36px; display: inline-grid; place-items: center; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); cursor: pointer; padding: 0; }
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
.bars { display: inline-grid; gap: 3px; flex: none; }
.bars i { display: block; width: 24px; height: 6px; border-radius: 4px; background: var(--saffron); }
.bars i + i { background: var(--leaf); }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; font-weight: 600; font-size: .8rem; line-height: 1.5; white-space: nowrap; vertical-align: middle; }
.pill-open, .pill-live { background: var(--leaf-soft); color: var(--leaf-ink); }
.pill-soon { background: var(--saffron-soft); color: var(--saffron-ink); }
.pill-closed, .pill-draft { background: var(--surface-2); color: var(--ink-2); }
.pill-featured { background: var(--brand-soft); color: var(--brand-ink); }
.pill-sample { border: 1px dashed var(--ink-3); color: var(--ink-2); padding: 1px 9px; }
.recog { display: inline-flex; align-items: flex-start; gap: 8px; padding: 8px 12px; border-radius: 12px; background: var(--brand-soft); color: var(--brand-ink); font-weight: 600; font-size: .92rem; line-height: 1.4; max-width: 100%; justify-self: start; }
.recog svg { flex: none; margin-top: 2px; }
.recog.approved { background: var(--leaf-soft); color: var(--leaf-ink); }
.recog.small { font-size: .84rem; padding: 6px 10px; }
.recog-note { color: var(--ink-3); font-size: .93rem; max-width: 62ch; }
.flash { border-radius: 12px; padding: 12px 16px; margin: 16px 0 0; font-weight: 500; line-height: 1.45; }
.flash-ok { background: var(--leaf-soft); color: var(--ink); }
.flash-error { background: var(--danger-soft); color: var(--ink); }
.state-note { display: flex; gap: 8px; align-items: flex-start; background: var(--surface-2); border-radius: 12px; padding: 10px 12px; font-weight: 600; color: var(--ink-2); }
.state-note svg { flex: none; margin-top: 3px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 9; background: var(--surface); border-bottom: 1px solid var(--line); padding-top: env(safe-area-inset-top, 0px); }
@supports (backdrop-filter: blur(8px)) { .site-header { background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: saturate(1.4) blur(12px); } }
.header-inner { display: flex; align-items: center; gap: 10px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; margin-right: auto; border-radius: 8px; }
.brand img { height: 24px; width: auto; }
@media (min-width: 420px) { .brand img { height: 28px; } }
@media (min-width: 720px) { .brand img { height: 34px; } }
.logo-light { display: var(--logo-light); }
.logo-dark { display: var(--logo-dark); }
.nav { display: flex; align-items: center; gap: 2px; }
.nav-link { color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: .95rem; padding: 8px 10px; border-radius: 999px; white-space: nowrap; }
.nav-link:hover, .nav-link.active { color: var(--brand-ink); background: var(--brand-soft); }
.nav-avatar { display: inline-flex; margin-left: 4px; border-radius: 50%; }
@media (max-width: 479px) { .nav-link.narrow-hide { display: none; } .nav-link { padding: 8px; font-size: .9rem; } }
.avatar { width: var(--size, 32px); height: var(--size, 32px); border-radius: 50%; object-fit: cover; flex: none; background: var(--surface-2); }
.avatar-initial { display: inline-grid; place-items: center; background: var(--brand); color: var(--on-brand); font-weight: 700; font-family: var(--font-display); font-size: calc(var(--size, 32px) * .45); }
img.avatar { width: auto; height: auto; }
.who { display: flex; align-items: center; gap: 14px; }
.who img.avatar, .who .avatar { width: 52px; height: 52px; --size: 52px; }
.who-name { font-weight: 600; }

/* Hero */
.hero { padding-block: clamp(32px, 6vw, 72px) clamp(24px, 4vw, 44px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .9fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } }
.tagline { display: inline-flex; align-items: center; gap: 12px; color: var(--brand-ink); font-weight: 700; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.hero-title { font-size: clamp(2.15rem, 1.25rem + 3.5vw, 3.7rem); line-height: 1.05; margin-top: 18px; max-width: 16ch; }
.hero-title em { font-style: normal; color: var(--saffron-display); }
.hero-intro { margin-top: 18px; font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); color: var(--ink-2); max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.parent-note { margin-top: 22px; font-size: .95rem; color: var(--ink-3); }
.parent-note a { font-weight: 600; }

/* DPDP countdown */
.clock { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: clamp(20px, 3vw, 28px); box-shadow: var(--shadow); display: grid; gap: 10px; }
.clock-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 4px; }
.clock-num { font-family: var(--font-display); font-weight: 800; font-size: clamp(3.1rem, 2.4rem + 2.6vw, 4.4rem); line-height: .9; color: var(--brand-ink); font-variant-numeric: tabular-nums; letter-spacing: -0.035em; }
.clock-unit { font-weight: 600; color: var(--ink-2); line-height: 1.3; font-size: 1.02rem; }
.clock-unit b { display: block; margin-top: 3px; font-family: var(--font-mono); font-weight: 600; font-size: .8rem; letter-spacing: .05em; color: var(--ink); text-transform: uppercase; }
.clock-label { color: var(--ink-2); font-size: .98rem; line-height: 1.45; }
.milestones { list-style: none; margin: 8px 0 0; padding: 18px 0 0; border-top: 1px solid var(--line); display: grid; }
.ms { position: relative; display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 12px; padding-bottom: 16px; }
.ms:last-child { padding-bottom: 0; }
.ms::before { content: ""; position: absolute; left: 9px; top: 24px; bottom: 2px; width: 2px; background: var(--line); }
.ms:last-child::before { display: none; }
.ms-dot { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--line); background: var(--surface); margin-top: 2px; display: grid; place-items: center; }
.ms.done .ms-dot { background: var(--leaf); border-color: var(--leaf); }
.ms.done .ms-dot::after { content: ""; width: 8px; height: 4px; border: 2px solid var(--on-brand); border-top: 0; border-right: 0; transform: translate(0, -1px) rotate(-45deg); }
.ms.next .ms-dot { border-color: var(--saffron); }
.ms.next .ms-dot::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--saffron); animation: pulse 2.4s ease-in-out infinite; }
.ms-date { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; font-family: var(--font-mono); font-size: .76rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); line-height: 1.6; }
.ms-when { font-family: var(--font-body); font-size: .8rem; letter-spacing: 0; text-transform: none; font-weight: 700; color: var(--saffron-ink); }
.ms-text { color: var(--ink); line-height: 1.4; margin-top: 2px; font-size: .97rem; }
.ms.done .ms-text { color: var(--ink-2); }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(.55); opacity: .55; } }

/* Sections and cards */
.section { padding-block: clamp(32px, 5vw, 60px); }
.section-head { display: grid; gap: 6px; margin-bottom: 24px; }
.section-head p:last-child { color: var(--ink-2); max-width: 60ch; }
.subhead { font-size: 1.2rem; margin: 40px 0 16px; }
.cover { position: relative; container-type: inline-size; aspect-ratio: 16 / 9; background: var(--cv, var(--cover-blue)); color: var(--on-cover); overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; gap: 8px; padding: 16px 18px; isolation: isolate; }
.cover::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(90% 75% at 100% 0%, rgb(255 255 255 / 16%), transparent 62%), radial-gradient(70% 60% at 0% 100%, rgb(0 0 0 / 20%), transparent 70%); }
.tone-blue { --cv: var(--cover-blue); --bar1: var(--saffron); --bar2: var(--leaf); }
.tone-navy { --cv: var(--cover-navy); --bar1: var(--saffron); --bar2: var(--leaf); }
.tone-orange { --cv: var(--cover-orange); --bar1: var(--on-cover); --bar2: var(--leaf); }
.tone-green { --cv: var(--cover-green); --bar1: var(--saffron); --bar2: var(--on-cover); }
.cover-cat { font-weight: 700; font-size: .72rem; font-size: max(.68rem, 3.4cqi); letter-spacing: .12em; text-transform: uppercase; opacity: .92; line-height: 1.3; }
.cover-code { font-family: var(--font-display); font-weight: 800; line-height: .92; letter-spacing: -0.03em; font-size: 2.6rem; font-size: min(25cqi, calc(108cqi / var(--len, 4))); overflow-wrap: anywhere; margin-top: auto; }
.cover-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.cover .bars { gap: max(3px, .9cqi); }
.cover .bars i { width: max(18px, 8cqi); height: max(5px, 1.9cqi); background: var(--bar1); }
.cover .bars i + i { background: var(--bar2); }
.cover-site { font-weight: 600; font-size: .72rem; font-size: max(.66rem, 3cqi); opacity: .85; }
.cover-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 2; }
.cover.thumb { width: 80px; flex: none; padding: 6px 8px; border-radius: 10px; }
.cover.thumb-lg { width: 168px; flex: none; border-radius: 14px; padding: 10px 12px; }
.thumb .cover-cat, .thumb .cover-foot, .thumb-lg .cover-site { display: none; }
.thumb .cover-code { font-size: min(30cqi, calc(118cqi / var(--len, 4))); margin: auto 0; }
.feature { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.3fr); background: var(--surface); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); }
.feature > .cover { aspect-ratio: auto; min-height: 300px; padding: clamp(18px, 3vw, 30px); }
@media (max-width: 860px) { .feature { grid-template-columns: minmax(0, 1fr); } .feature > .cover { aspect-ratio: 16 / 9; min-height: 0; } }
.feature-body { padding: clamp(22px, 3.2vw, 40px); display: grid; gap: 16px; align-content: start; min-width: 0; }
.feature-title { font-size: clamp(1.4rem, 1.05rem + 1.3vw, 2rem); line-height: 1.18; letter-spacing: -0.015em; font-weight: 700; }
.feature-summary { color: var(--ink-2); font-size: 1.05rem; max-width: 62ch; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.chip { font-size: .88rem; font-weight: 600; color: var(--ink-2); background: var(--surface-2); border-radius: 999px; padding: 4px 12px; }
.volumes { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.volumes li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.vol-name { font-weight: 600; line-height: 1.35; min-width: 0; }
.vol-units { font-family: var(--font-mono); font-size: .78rem; font-weight: 600; color: var(--ink-3); white-space: nowrap; }
.feature-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 4px; }
.feature-status { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); gap: 20px; }
.card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; text-decoration: none; color: inherit; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; min-width: 0; }
a.card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--brand-ink) 40%, var(--line)); box-shadow: var(--shadow); }
.card-body { padding: 16px 18px 4px; display: grid; gap: 8px; flex: 1; align-content: start; }
.card-title { font-size: 1.1rem; line-height: 1.3; }
.card-summary { color: var(--ink-2); font-size: .97rem; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; flex-wrap: wrap; gap: 2px 10px; color: var(--ink-3); font-size: .9rem; list-style: none; margin: 0; padding: 0; }
.card-meta li + li::before { content: "·"; margin-right: 10px; }
.card-foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 12px; padding: 12px 18px 16px; border-top: 1px solid var(--line); margin-top: 12px; }
.price { font-family: var(--font-display); font-weight: 700; font-size: 1.12rem; color: var(--ink); font-variant-numeric: tabular-nums; }
.price s { font-family: var(--font-body); font-weight: 500; font-size: .9rem; color: var(--ink-3); margin-left: 6px; }
.price-note { font-weight: 600; color: var(--ink-2); font-size: .95rem; }
.soon { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; border: 1.5px dashed var(--line); border-radius: 18px; padding: 20px 22px; margin-top: 24px; color: var(--ink-2); }
.soon strong { color: var(--ink); }

/* Contact and footer */
.contact { background: var(--brand-soft); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; align-items: center; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }
.contact-note { color: var(--ink-2); margin-top: 10px; max-width: 48ch; font-size: 1.05rem; }
.contact-list, .aside-contact { display: grid; gap: 10px; }
.contact-item { display: flex; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 8px 8px 8px 14px; min-width: 0; }
.ci-icon { color: var(--brand-ink); display: inline-flex; flex: none; }
.ci-text { display: grid; min-width: 0; flex: 1; }
.ci-label { font-size: .74rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.ci-value { font-weight: 600; color: var(--ink); overflow-wrap: anywhere; user-select: all; }
.site-footer { border-top: 1px solid var(--line); background: var(--surface); padding-block: 36px; }
.footer-grid { display: flex; flex-wrap: wrap; gap: 24px 48px; justify-content: space-between; align-items: flex-end; }
.footer-brand img { width: 240px; max-width: 100%; height: auto; }
.footer-meta { color: var(--ink-3); font-size: .93rem; display: grid; gap: 6px; max-width: 56ch; }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 16px; }

/* Course page */
.detail { padding-block: 24px 64px; }
.back { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; text-decoration: none; color: var(--ink-2); margin-bottom: 16px; padding: 4px 0; }
.back:hover { color: var(--brand-ink); }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; grid-template-areas: "head aside" "body aside"; gap: 0 52px; align-items: start; }
.detail-head { grid-area: head; display: grid; gap: 14px; padding-bottom: 32px; }
.detail-aside { grid-area: aside; position: sticky; top: 84px; }
.detail-body { grid-area: body; display: grid; gap: 40px; min-width: 0; }
@media (max-width: 960px) {
  .detail-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "aside" "body"; }
  .detail-aside { position: static; margin-bottom: 40px; max-width: 560px; }
}
.detail-title { font-size: clamp(1.75rem, 1.2rem + 2.3vw, 2.75rem); line-height: 1.1; }
.detail-body h2 { font-size: clamp(1.25rem, 1.1rem + .6vw, 1.5rem); }
.detail-body section > h2 { margin-bottom: 14px; }
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.sec-meta { font-family: var(--font-mono); font-size: .8rem; font-weight: 600; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; }
.prose { max-width: 68ch; display: grid; gap: 12px; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; max-width: 70ch; }
.checks li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; line-height: 1.5; }
.checks li::before { content: ""; width: 22px; height: 22px; margin-top: 1px; background: var(--leaf-ink); -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 20px no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 20px no-repeat; }
.syllabus { display: grid; gap: 20px; }
.vol { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); overflow: hidden; }
.vol-head { display: flex; justify-content: space-between; align-items: baseline; gap: 6px 14px; flex-wrap: wrap; padding: 14px 18px; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.vol-head h3 { font-size: 1rem; }
.units { list-style: none; margin: 0; padding: 0; }
.unit { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.unit:last-child { border-bottom: 0; }
.unit-n { font-family: var(--font-mono); font-weight: 600; font-size: .8rem; color: var(--brand-ink); background: var(--brand-soft); border-radius: 8px; height: 30px; min-width: 40px; display: inline-grid; place-items: center; font-variant-numeric: tabular-nums; }
.unit-title { font-weight: 600; line-height: 1.35; }
.unit-detail { color: var(--ink-2); font-size: .95rem; line-height: 1.5; margin-top: 4px; }
.buy { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); }
.buy-body { padding: 20px; display: grid; gap: 14px; }
.buy-price { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.buy .price { font-size: 1.55rem; }
.start-note { font-size: .93rem; color: var(--ink-2); background: var(--surface-2); border-radius: 12px; padding: 10px 12px; }
.facts { margin: 0; display: grid; border-top: 1px solid var(--line); }
.facts div { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .95rem; line-height: 1.45; }
.facts div:last-child { border-bottom: 0; }
.facts dt { color: var(--ink-3); font-weight: 600; }
.facts dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.ask summary { cursor: pointer; font-weight: 600; color: var(--brand-ink); padding: 4px 0; }
.ask[open] summary { margin-bottom: 10px; }
.disclaimer { color: var(--ink-3); font-size: .9rem; border-top: 1px solid var(--line); padding-top: 18px; }

/* Sign-in and consent */
.auth-wrap { padding-block: clamp(32px, 6vw, 72px); display: grid; justify-items: center; }
.auth-card { width: 100%; max-width: 480px; background: var(--surface); border: 1px solid var(--line); border-radius: 22px; padding: clamp(22px, 4vw, 36px); box-shadow: var(--shadow); display: grid; gap: 16px; }
.auth-card.wide { max-width: 640px; }
.auth-title { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); line-height: 1.15; }
.provider-list { display: grid; gap: 10px; }
.provider-btn { justify-content: flex-start; border-color: var(--line); background: var(--surface); color: var(--ink); min-height: 50px; padding-left: 10px; }
.provider-btn:hover { background: var(--surface-2); }
.provider-mark { width: 32px; height: 32px; border-radius: 50%; display: inline-grid; place-items: center; font-family: var(--font-display); font-weight: 800; font-size: .95rem; color: #FFFFFF; background: var(--ink-3); flex: none; }
.provider-google .provider-mark, .provider-mark.provider-google { background: #DB4437; }
.provider-linkedin .provider-mark, .provider-mark.provider-linkedin { background: #0A66C2; }
.provider-facebook .provider-mark, .provider-mark.provider-facebook { background: #1877F2; }
.provider-microsoft .provider-mark, .provider-mark.provider-microsoft { background: #5E5E5E; }
.notice-list { margin: 0; padding-left: 1.2em; display: grid; gap: 8px; color: var(--ink-2); font-size: .97rem; }
.notice-list strong { color: var(--ink); }

/* Learner area */
.learn-list { display: grid; gap: 16px; }
.learn-card { display: flex; align-items: center; gap: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 16px; flex-wrap: wrap; }
.learn-main { flex: 1 1 260px; display: grid; gap: 8px; min-width: 0; }
.learn-title { font-size: 1.15rem; line-height: 1.3; }
.learn-title a { color: var(--ink); text-decoration: none; }
.learn-title a:hover { color: var(--brand-ink); }
.progress { height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; max-width: 420px; }
.progress span { display: block; height: 100%; background: linear-gradient(90deg, var(--saffron), var(--leaf)); border-radius: inherit; }
.empty-state { border: 1.5px dashed var(--line); border-radius: 18px; padding: 28px 22px; display: grid; gap: 10px; justify-items: start; color: var(--ink-2); }
.empty-state h2 { font-size: 1.2rem; }
.status-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.status-list li { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 12px 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.status-list li a { font-weight: 600; margin-right: auto; }
.player-head { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-bottom: 28px; }
.player-head > div { flex: 1 1 300px; display: grid; gap: 8px; min-width: 0; }
.outline { display: grid; gap: 18px; }
.outline-head { font-weight: 700; font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 6px; }
.outline ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.outline a { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 10px; align-items: start; padding: 8px 10px; border-radius: 10px; text-decoration: none; color: var(--ink); line-height: 1.35; }
.outline a:hover { background: var(--surface-2); }
.outline li.current a { background: var(--brand-soft); color: var(--brand-ink); font-weight: 600; }
.outline-mark { width: 26px; height: 26px; border-radius: 50%; display: inline-grid; place-items: center; font-family: var(--font-mono); font-size: .74rem; font-weight: 600; border: 1.5px solid var(--line); color: var(--ink-3); background: var(--surface); }
.outline li.done .outline-mark { background: var(--leaf); border-color: var(--leaf); color: var(--on-brand); }
.lesson-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 40px; padding-block: 24px 64px; align-items: start; }
.lesson-side { position: sticky; top: 84px; max-height: calc(100vh - 100px); overflow: auto; }
@media (max-width: 960px) { .lesson-layout { grid-template-columns: minmax(0, 1fr); gap: 16px; } .lesson-side { position: static; max-height: none; } }
.outline-toggle summary { cursor: pointer; font-weight: 700; margin-bottom: 10px; line-height: 1.35; }
@media (min-width: 961px) { .outline-toggle summary { pointer-events: none; list-style: none; } .outline-toggle summary::-webkit-details-marker { display: none; } }
.lesson-main { min-width: 0; display: grid; gap: 18px; }
.lesson-title { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem); line-height: 1.15; }
.video { position: relative; aspect-ratio: 16 / 9; border-radius: 16px; overflow: hidden; background: #000000; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.lesson-body { max-width: 72ch; display: grid; gap: 14px; line-height: 1.7; }
.lesson-body h2 { font-size: 1.4rem; margin-top: 12px; }
.lesson-body h3 { font-size: 1.15rem; margin-top: 8px; }
.lesson-body ul, .lesson-body ol { margin: 0; padding-left: 1.3em; display: grid; gap: 6px; }
.lesson-body blockquote { margin: 0; padding: 12px 16px; border-left: 4px solid var(--saffron); background: var(--saffron-soft); border-radius: 0 12px 12px 0; }
.lesson-body pre { margin: 0; padding: 14px; background: var(--surface-2); border-radius: 12px; overflow-x: auto; font-size: .88rem; }
.lesson-body pre code { background: none; padding: 0; }
.lesson-body hr { border: 0; border-top: 1px solid var(--line); margin: 8px 0; }
.lesson-body img { border-radius: 12px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
.table-wrap table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.table-wrap th, .table-wrap td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table-wrap th { background: var(--surface-2); font-weight: 700; }
.table-wrap tr:last-child td { border-bottom: 0; }
.attachments h2 { font-size: 1.15rem; margin-bottom: 10px; }
.attachments ul, .file-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.attachments li, .file-list li { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 10px 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.attachments li a, .file-list li a { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; margin-right: auto; min-width: 0; overflow-wrap: anywhere; }
.lesson-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.done-note { display: inline-flex; align-items: center; gap: 6px; color: var(--leaf-ink); font-weight: 700; }
.lesson-nav { display: flex; justify-content: space-between; gap: 12px; }

/* Panels, forms and tables */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; margin-bottom: 22px; }
.panel.pad { padding: clamp(18px, 3vw, 24px); display: grid; gap: 14px; overflow: visible; }
.panel.pad > h2, .panel-head h2 { font-size: 1.12rem; }
.panel h3 { font-size: 1rem; margin-top: 6px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 10px 14px; padding: 14px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.panel-head h2 { display: inline-flex; align-items: center; gap: 10px; }
.count { font-family: var(--font-mono); font-size: .78rem; font-weight: 600; color: var(--ink-3); background: var(--surface-2); border-radius: 999px; padding: 2px 9px; }
.danger-zone { border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); }
.form { display: grid; gap: 28px; min-width: 0; }
.form-grid { display: grid; gap: 14px; max-width: 560px; }
fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: 16px; min-width: 0; }
fieldset + fieldset { border-top: 1px solid var(--line); padding-top: 26px; }
legend { font-family: var(--font-display); font-weight: 700; font-size: 1.08rem; color: var(--ink); padding: 0; margin: 0; float: left; width: 100%; }
legend + * { clear: both; }
.field { display: grid; gap: 6px; min-width: 0; align-content: start; }
.field > label { font-weight: 600; font-size: .95rem; color: var(--ink); }
.req { color: var(--saffron-ink); }
.help { color: var(--ink-3); font-size: .87rem; line-height: 1.45; }
.field-error { color: var(--danger); font-size: .87rem; font-weight: 600; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 16px; }
input[type="text"], input[type="email"], input[type="tel"], input[type="url"], input[type="search"], input:not([type]), select, textarea { width: 100%; font-family: var(--font-body); font-size: 1rem; line-height: 1.4; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; min-height: 44px; }
input[type="file"] { font-family: var(--font-body); font-size: .95rem; max-width: 100%; }
textarea { min-height: 88px; resize: vertical; line-height: 1.5; }
textarea.mono { font-family: var(--font-mono); font-size: .86rem; line-height: 1.6; }
input:hover, select:hover, textarea:hover { border-color: color-mix(in srgb, var(--ink-3) 55%, var(--line)); }
[aria-invalid="true"] { border-color: var(--danger) !important; box-shadow: 0 0 0 1px var(--danger); }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 600; cursor: pointer; line-height: 1.45; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--brand); flex: none; }
.check small { display: block; font-weight: 400; color: var(--ink-3); font-size: .87rem; }
.actionbar { position: sticky; bottom: 0; z-index: 5; display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; align-items: center; padding-top: 14px; padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px)); background: var(--paper); border-top: 1px solid var(--line); }
.inline-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) auto; gap: 12px; align-items: end; }
@media (max-width: 720px) { .inline-grid { grid-template-columns: minmax(0, 1fr); } }
.cover-field { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 16px; align-items: center; }
.cover-field .cover { border-radius: 12px; }
@media (max-width: 560px) { .cover-field { grid-template-columns: minmax(0, 1fr); } .cover-field .cover { max-width: 260px; } }
.identity-list, .simple-list, .checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.identity-list li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.identity-list li > div { flex: 1 1 200px; min-width: 0; }
.simple-list li { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.panel.pad .simple-list li { padding-inline: 0; }
.simple-list li:last-child, .identity-list li:last-child { border-bottom: 0; }
.simple-list li > a { font-weight: 600; margin-right: auto; }
.simple-list .actions, td.actions { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; }
.check-mark { width: 22px; height: 22px; border-radius: 50%; display: inline-grid; place-items: center; flex: none; border: 2px solid var(--line); margin-top: 1px; }
.checklist li.ok .check-mark { background: var(--leaf); border-color: var(--leaf); color: var(--on-brand); }
.checklist li.todo .check-mark { border-color: var(--saffron); }

/* Admin */
.admin { padding-block: 20px 72px; }
.admin-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 24px; overflow-x: auto; scrollbar-width: thin; }
.admin-tabs a { padding: 10px 14px; margin-bottom: -1px; border-bottom: 3px solid transparent; font-weight: 600; color: var(--ink-3); text-decoration: none; white-space: nowrap; }
.admin-tabs a:hover { color: var(--ink); }
.admin-tabs a.active { color: var(--brand-ink); border-bottom-color: var(--saffron); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 14px; margin-bottom: 22px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; display: grid; gap: 2px; text-decoration: none; color: inherit; }
a.stat:hover { border-color: color-mix(in srgb, var(--brand-ink) 40%, var(--line)); }
.stat.attention { border-color: var(--saffron); background: var(--saffron-soft); }
.stat-num { font-family: var(--font-display); font-weight: 800; font-size: 2rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat-label { font-weight: 600; }
.stat-sub { color: var(--ink-3); font-size: .88rem; }
.row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px 16px; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.row:last-child { border-bottom: 0; }
.row.compact { padding-block: 10px; }
.row-main { min-width: 0; }
.row-title { font-weight: 600; line-height: 1.35; overflow-wrap: anywhere; text-decoration: none; color: var(--ink); }
a.row-title:hover { color: var(--brand-ink); }
.row-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; margin-top: 6px; align-items: center; font-size: .86rem; color: var(--ink-3); }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; align-items: center; }
@media (max-width: 760px) { .row { grid-template-columns: auto minmax(0, 1fr); } .row-actions { grid-column: 1 / -1; justify-content: flex-start; } }
.rename { display: flex; gap: 8px; align-items: center; flex: 1 1 320px; }
.rename input { font-weight: 700; }
.data { border-collapse: collapse; width: 100%; font-size: .94rem; }
.data th, .data td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.data th { font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); background: var(--surface-2); }
.data tr:last-child td { border-bottom: 0; }
.data .sub { display: block; color: var(--ink-3); font-size: .86rem; overflow-wrap: anywhere; }
.data.compact td, .data.compact th { padding: 7px 10px; }
.data td.num { text-align: right; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.panel .table-wrap { border: 0; border-radius: 0; }
.user-cell { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.user-cell img.avatar, .user-cell .avatar { width: 28px; height: 28px; --size: 28px; }
.search-row, .filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 16px; }
.search-row input { flex: 1 1 260px; }
.filters .field { flex: 1 1 200px; }
.pager { display: flex; justify-content: space-between; gap: 10px; }
.detail-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 0 22px; align-items: start; }
.editor-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
@media (max-width: 1020px) { .editor-grid { grid-template-columns: minmax(0, 1fr); } }
.preview-box { border: 1px dashed var(--line); border-radius: 12px; padding: 16px; background: var(--surface); }
.prose-page h2 { font-size: 1.3rem; margin: 28px 0 8px; }
.prose-page ul, .prose-page ol { padding-left: 1.3em; display: grid; gap: 6px; }
.prose-page p + p { margin-top: 10px; }

/* Toast from app.js */
.toast { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); z-index: 60; width: max-content; max-width: calc(100% - 32px); background: var(--ink); color: var(--paper); padding: 12px 18px; border-radius: 14px; box-shadow: var(--shadow); font-weight: 600; font-size: .95rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}