/* =============================================================
   GOAT ACADEMY · Academy Modules — frosted glass (green) theme
   ============================================================= */

:root {
  --bg-0: #04120b;
  --bg-1: #071a10;
  --glass: rgba(255, 255, 255, 0.055);
  --glass-strong: rgba(255, 255, 255, 0.09);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hi: rgba(122, 255, 184, 0.35);
  --text-1: #eefff4;
  --text-2: #a9c4b3;
  --text-3: #6e8a7a;
  --accent: #34e28a;
  --accent-deep: #16a34a;
  --accent-soft: rgba(52, 226, 138, 0.14);
  --amber: #f5b942;
  --amber-soft: rgba(245, 185, 66, 0.14);
  --blue: #57c7ff;
  --blue-soft: rgba(87, 199, 255, 0.14);
  --lemon: #e6fb55;
  --lemon-soft: rgba(230, 251, 85, 0.13);
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-strong: rgba(255, 255, 255, 0.13);
  --danger: #ff6b6b;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 11px;
  --font: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-1);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.resizing { user-select: none; cursor: col-resize; }

/* ambient glows behind the glass */
body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
body::before {
  width: 55vw; height: 55vw;
  top: -20vw; left: -12vw;
  background: radial-gradient(circle, rgba(22, 163, 74, 0.34), transparent 65%);
}
body::after {
  width: 48vw; height: 48vw;
  bottom: -18vw; right: -10vw;
  background: radial-gradient(circle, rgba(52, 226, 138, 0.16), transparent 65%);
}

::selection { background: rgba(52, 226, 138, 0.35); }

a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ---------- scrollbars ---------- */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.12); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(52, 226, 138, 0.4); }

/* =============================================================
   Shell: black app bar + page
   ============================================================= */

/* distinct black zone, full width, square corners — structured like a
   course header; the right side stays free for future controls */
.appbar {
  background: #000;
  border-bottom: 1px solid var(--hairline);
  padding: 15px clamp(16px, 3vw, 40px);
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 76px;
}
.appbar-cover {
  width: 46px; height: 46px; flex: none;
  border-radius: 11px;
  display: grid; place-items: center;
  font-size: 22px;
  background:
    radial-gradient(120% 120% at 20% 0%, rgba(52, 226, 138, 0.55), transparent 60%),
    linear-gradient(135deg, #10502c, #06180e);
  box-shadow: inset 0 0 0 1px var(--hairline-strong);
  user-select: none;
}
.appbar-info { min-width: 0; }
.appbar-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.appbar-row h1 {
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
  white-space: nowrap;
}
.appbar-chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 99px;
  background: rgba(52, 226, 138, 0.1);
  border: 1px solid rgba(52, 226, 138, 0.35);
  color: var(--accent);
  white-space: nowrap;
}
.appbar-sub {
  margin-top: 3px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.main {
  margin: 0 auto;
  padding: 26px clamp(16px, 3vw, 40px) 60px;
  max-width: 1560px;
}

/* =============================================================
   Shared components
   ============================================================= */

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  border-radius: 11px;
  font-size: 13px; font-weight: 700;
  transition: all 0.14s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }
.btn-primary {
  background: linear-gradient(180deg, #33e388, #1fcc6f);
  color: #04220f;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 2px 8px rgba(0, 0, 0, 0.3);
}
.btn-primary:hover { filter: brightness(1.07); transform: translateY(-1px); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--hairline-strong);
  color: var(--text-1);
}
.btn-ghost:hover { border-color: rgba(122, 255, 184, 0.45); background: rgba(255, 255, 255, 0.07); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn[disabled] { opacity: 0.4; pointer-events: none; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.14em;
  padding: 4px 10px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--glass-border);
  color: var(--text-2);
  text-transform: uppercase;
}
.chip.video { color: var(--accent); background: var(--accent-soft); border-color: rgba(52, 226, 138, 0.25); }
.chip.text { color: var(--blue); background: var(--blue-soft); border-color: rgba(87, 199, 255, 0.25); }
.chip.tool { color: var(--amber); background: var(--amber-soft); border-color: rgba(245, 185, 66, 0.25); }

.status-dot {
  width: 21px; height: 21px;
  border-radius: 50%;
  display: grid; place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.35);
  flex: none;
}
.status-dot svg { width: 11px; height: 11px; }
.status-dot.watching { border-color: var(--amber); }
.status-dot.watching::after { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--amber); }
.status-dot.done { border-color: var(--accent); background: var(--accent); color: #04120b; }

.status-lock {
  width: 21px; height: 21px;
  border-radius: 50%;
  display: grid; place-items: center;
  border: 2px dashed rgba(255, 255, 255, 0.28);
  background: rgba(0, 0, 0, 0.45);
  color: var(--text-2);
  flex: none;
}
.status-lock svg { width: 10px; height: 10px; }

.section-kicker {
  font-size: 11px; font-weight: 800; letter-spacing: 0.24em;
  color: var(--accent);
  text-transform: uppercase;
}

/* =============================================================
   Dashboard
   ============================================================= */

.dash-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 22px;
  align-items: start;
}

.hero {
  padding: 22px 26px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(600px 220px at 8% -30%, rgba(52, 226, 138, 0.16), transparent 70%),
    radial-gradient(400px 200px at 100% 120%, rgba(22, 163, 74, 0.14), transparent 70%);
  pointer-events: none;
}
.hero > * { position: relative; }
.hero .hero-text { flex: 1; min-width: 240px; }
.hero .section-kicker { margin-bottom: 8px; display: inline-block; }
.hero h2 {
  font-size: clamp(20px, 2.4vw, 27px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 6px;
}
.hero h2 em { font-style: normal; color: var(--accent); }
.hero .tagline { color: var(--text-2); font-size: 13.5px; max-width: 560px; }

/* side column cards */
.side-col { display: flex; flex-direction: column; gap: 18px; }

.side-card { padding: 20px 22px; }
.side-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 14px; }

.nextup-lesson {
  display: flex; gap: 13px; align-items: center;
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: border-color 0.15s;
}
.nextup-lesson:hover { border-color: var(--glass-border-hi); }
.nextup-lesson img, .nextup-lesson .thumb-fallback {
  width: 86px; height: 52px;
  object-fit: cover;
  border-radius: 9px;
  flex: none;
}
.nextup-lesson .t { min-width: 0; }
.nextup-lesson .t .part { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; color: var(--text-3); text-transform: uppercase; margin-bottom: 3px; }
.nextup-lesson .t .name {
  font-size: 13.5px; font-weight: 700; line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.nextup-lesson .resume {
  margin-left: auto; flex: none;
  font-size: 11px; font-weight: 800; letter-spacing: 0.1em;
  color: var(--accent);
}

.progress-big { display: flex; align-items: center; gap: 20px; }
.ring { position: relative; width: 96px; height: 96px; flex: none; }
.ring svg { transform: rotate(-90deg); }
.ring .track { stroke: rgba(255, 255, 255, 0.09); }
.ring .fill { stroke: url(#ringGrad); stroke-linecap: round; transition: stroke-dashoffset 0.6s ease; }
.ring .pct {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-size: 21px; font-weight: 800;
  color: var(--accent);
}
.progress-meta .big { font-size: 15px; font-weight: 700; }
.progress-meta .sub { font-size: 12.5px; color: var(--text-2); margin-top: 3px; }
.progress-meta .mini-stats { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.mini-stat {
  font-size: 11px; font-weight: 700;
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid var(--glass-border);
  color: var(--text-2);
}
.mini-stat b { color: var(--text-1); }
.mini-stat.done b { color: var(--accent); }
.mini-stat.watching b { color: var(--amber); }

.notes-stat { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.notes-stat .n { font-size: 30px; font-weight: 800; color: var(--accent); }
.notes-stat .lbl { font-size: 12.5px; color: var(--text-2); }

/* continue row */
.row-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: 26px 0 14px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
}
.row-head h3 { font-size: 17px; font-weight: 800; letter-spacing: -0.01em; }

.hscroll {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 250px;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x proximity;
}
.hscroll > * { scroll-snap-align: start; }

/* section overview cards — 3 × 2, flat rectangles */
.sections-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.section-card {
  padding: 15px 18px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
  position: relative;
  overflow: hidden;
}
.section-card:hover { transform: translateY(-2px); border-color: var(--glass-border-hi); }
.section-card .tag { font-size: 10px; font-weight: 800; letter-spacing: 0.2em; color: var(--accent); margin-bottom: 6px; }
.section-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.section-card .blurb { font-size: 12px; color: var(--text-2); line-height: 1.5; }
.section-card .meter {
  margin-top: 12px;
  height: 6px; border-radius: 99px;
  background: rgba(255, 255, 255, 0.09);
  overflow: hidden;
}
.section-card .meter i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent-deep), var(--accent)); border-radius: 99px; }
.section-card .count { margin-top: 9px; font-size: 13px; font-weight: 700; color: var(--text-2); }
.section-card .count b { color: var(--text-1); }
.section-card.locked-section .count { color: var(--text-3); font-size: 11.5px; }

/* the section currently in progress — lit up fresh lemon */
.section-card.active-section {
  border-color: rgba(230, 251, 85, 0.5);
  background: linear-gradient(135deg, rgba(230, 251, 85, 0.09), var(--glass) 55%);
  box-shadow: 0 0 26px rgba(230, 251, 85, 0.14), inset 0 0 0 1px rgba(230, 251, 85, 0.22);
}
.section-card.active-section .tag { color: var(--lemon); }
.section-card.active-section .meter i { background: linear-gradient(90deg, #b8d92e, var(--lemon)); }
.section-card.active-section .count { color: var(--text-1); }

/* completed sections — clear check mark */
.section-card.done-section { border-color: rgba(52, 226, 138, 0.35); }
.section-card .sec-check {
  position: absolute;
  top: 13px; right: 14px;
  width: 26px; height: 26px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent);
  color: #04120b;
  box-shadow: 0 4px 14px rgba(52, 226, 138, 0.4);
}
.section-card .sec-check svg { width: 13px; height: 13px; }

/* =============================================================
   Section view: header + list + resizable player pane
   ============================================================= */

.section-head-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 0;
}
.section-head-bar .sh-title { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.section-head-bar .sh-title h2 { font-size: 20px; font-weight: 800; letter-spacing: -0.01em; }
.section-head-bar .sh-progress {
  font-size: 12px; font-weight: 700; color: var(--text-3);
  white-space: nowrap;
}
.section-switch { margin-left: auto; display: flex; gap: 8px; }

/* lesson list 1/3 left, hairline divider, sticky player 2/3 right.
   The divider runs the full height — no open gap between the zones. */
.course-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0;
}

.list-pane { min-width: 0; padding: 18px 22px 0 0; }

.player-col {
  min-width: 0;
  border-left: 1px solid var(--hairline);
  padding: 18px 0 0 22px;
}

.filter-bar {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
/* section stat indicators (not filters) */
.stat-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 13px;
  border-radius: 99px;
  font-size: 12.5px; font-weight: 700;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--hairline-strong);
}
.stat-pill b { color: var(--text-1); font-size: 13.5px; }
.stat-pill.done b { color: var(--accent); }
.stat-pill.open b { color: var(--blue); }

.view-toggle {
  margin-left: auto;
  display: inline-flex;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 3px;
  gap: 2px;
}
.view-toggle button {
  width: 34px; height: 30px;
  border-radius: 9px;
  display: grid; place-items: center;
  color: var(--text-3);
}
.view-toggle button svg { width: 15px; height: 15px; }
.view-toggle button.active { background: var(--accent-soft); color: var(--accent); }

.list-scroller { display: flex; flex-direction: column; gap: 26px; }

.course-part { margin-top: 14px; }
.course-part:first-child { margin-top: 0; }
.course-part .part-head {
  display: flex; align-items: baseline; gap: 8px;
  margin-bottom: 10px;
  padding-left: 2px;
  flex-wrap: wrap;
}
.course-part .part-head .ptag { font-size: 10px; font-weight: 800; letter-spacing: 0.16em; color: var(--text-3); text-transform: uppercase; }
.course-part .part-head .ptitle { font-size: 12.5px; font-weight: 700; color: var(--text-2); }
.course-part .part-head .pnote { font-size: 11px; color: var(--amber); font-style: italic; }

/* lesson cards — grid mode: always two per row, flush to the divider */
.lesson-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.lesson-card {
  border-radius: var(--radius-md);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  position: relative;
}
/* neon backlight on hover */
.lesson-card:not(.locked):hover {
  transform: translateY(-2px);
  border-color: rgba(52, 226, 138, 0.65);
  box-shadow:
    0 0 18px rgba(52, 226, 138, 0.4),
    0 0 60px rgba(52, 226, 138, 0.18),
    0 8px 30px rgba(0, 0, 0, 0.35);
}
.lesson-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 10px 30px rgba(52, 226, 138, 0.18);
}
.lesson-card .thumb-wrap { position: relative; aspect-ratio: 16/9; overflow: hidden; background: #0a2415; }
.lesson-card .thumb-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.lesson-card:hover .thumb-wrap img { transform: scale(1.04); }
.lesson-card .status-wrap { position: absolute; bottom: 8px; left: 8px; }
.lesson-card .note-flag {
  position: absolute; bottom: 8px; right: 8px;
  width: 22px; height: 22px;
  border-radius: 7px;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(8px);
  display: grid; place-items: center;
  color: var(--amber);
}
.lesson-card .note-flag svg { width: 12px; height: 12px; }

/* locked lessons (dripped course) — gently dimmed, not grayed out */
.lesson-card.locked, .lesson-row.locked { cursor: not-allowed; }
.lesson-card.locked:hover { transform: none; border-color: var(--glass-border); }
.lesson-row.locked:hover { border-color: var(--glass-border); }
.lesson-card.locked .thumb-wrap .tile,
.lesson-row.locked .tile { filter: brightness(0.78); }
.lesson-card.locked .body .name,
.lesson-row.locked .name { color: var(--text-2); }

/* branded lesson tiles — calm gradient + subtle market-chart motif */
.tile {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}
.tile .tile-chart {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.tile .tile-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.lesson-row .tile { width: 76px; height: 46px; border-radius: 8px; flex: none; }
.nextup-lesson .tile { width: 86px; height: 52px; border-radius: 9px; flex: none; }
.hscroll .tile { aspect-ratio: 16/9; }

/* list mode */
.lesson-list { display: flex; flex-direction: column; gap: 8px; }
.lesson-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: border-color 0.15s;
}
.lesson-row:hover { border-color: var(--glass-border-hi); }
.lesson-row.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.lesson-row img, .lesson-row .thumb-fallback { width: 76px; height: 46px; object-fit: cover; border-radius: 8px; flex: none; }
.lesson-row .name { font-size: 13px; font-weight: 700; min-width: 0; line-height: 1.35; }
.lesson-row .meta { display: flex; gap: 6px; margin-top: 3px; }
.lesson-row .right { margin-left: auto; display: flex; align-items: center; gap: 9px; flex: none; }
.lesson-row .note-ico { color: var(--amber); width: 14px; height: 14px; }

.thumb-fallback {
  background: linear-gradient(135deg, #0f3d24, #071a10);
  display: grid; place-items: center;
  color: var(--accent);
  font-size: 17px; font-weight: 800;
}

/* empty state */
.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-3);
  font-size: 13.5px;
  line-height: 1.6;
}
.empty .big { font-size: 34px; margin-bottom: 10px; }

/* ---------- player pane ---------- */
.player-pane {
  position: sticky;
  top: 14px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
  max-height: calc(100vh - 28px);
  overflow-y: auto;
  padding-bottom: 6px;
}

.player-card { overflow: hidden; flex: none; }
.player-media { position: relative; aspect-ratio: 16/9; background: #050f09; }
.player-media img.poster { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; }
.player-media iframe, .player-media video { width: 100%; height: 100%; border: 0; display: block; }
.player-media wistia-player { width: 100%; height: 100%; display: block; }
.player-media .play-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 14px;
  background: linear-gradient(180deg, rgba(4, 18, 11, 0.15), rgba(4, 18, 11, 0.65));
  cursor: pointer;
  transition: background 0.2s;
}
.player-media .play-overlay:hover { background: linear-gradient(180deg, rgba(4, 18, 11, 0.05), rgba(4, 18, 11, 0.55)); }
.play-btn {
  width: 74px; height: 74px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(52, 226, 138, 0.92);
  color: #032213;
  box-shadow: 0 10px 40px rgba(52, 226, 138, 0.45);
  transition: transform 0.15s;
}
.play-overlay:hover .play-btn { transform: scale(1.07); }
.play-btn svg { width: 27px; height: 27px; margin-left: 4px; }
.play-overlay .hint {
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em;
  color: #d9ffe9;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 99px;
  text-transform: uppercase;
}

/* document-lesson hero: show the lesson image whole, no crop */
.player-media.doc-hero {
  aspect-ratio: auto;
  max-height: 380px;
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--hairline);
}
.player-media.doc-hero img.poster {
  width: 100%;
  height: 100%;
  max-height: 380px;
  object-fit: contain;
  opacity: 1;
}

.player-body { padding: 20px 24px 24px; }
.player-body .lesson-kicker {
  font-size: 10.5px; font-weight: 800; letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 7px;
}
.player-body h2 { font-size: 21px; font-weight: 800; letter-spacing: -0.01em; line-height: 1.25; }
.player-body .desc { margin-top: 8px; color: var(--text-2); font-size: 13.5px; line-height: 1.6; }

/* watched confirmation under the title */
.watched-tag {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 12px;
  padding: 6px 12px;
  border-radius: 99px;
  background: var(--accent-soft);
  border: 1px solid rgba(52, 226, 138, 0.35);
  color: var(--accent);
  font-size: 11.5px; font-weight: 700;
}
.watched-tag svg { width: 12px; height: 12px; }

/* extra video items (multi-video lessons) */
.extra-media { margin-top: 16px; display: flex; flex-direction: column; gap: 14px; }
.extra-media .player-media { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--glass-border); }

/* content blocks */
.content-card { padding: 22px 24px; flex: none; }
.content-card h3 {
  font-size: 12px; font-weight: 800; letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 9px;
}
.content-card h3 svg { width: 15px; height: 15px; }

.rich {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
}
.rich h4 { color: var(--text-1); font-size: 14px; margin: 14px 0 6px; }
.rich h4:first-child { margin-top: 0; }
.rich p + p { margin-top: 10px; }
.rich ul, .rich ol { padding-left: 20px; margin: 8px 0; }
.rich li { margin: 4px 0; }
.rich strong { color: var(--text-1); }
.rich img { border-radius: var(--radius-sm); border: 1px solid var(--glass-border); margin: 12px 0 4px; }
.rich figure { margin: 14px 0; }
.rich figcaption { font-size: 12px; color: var(--text-3); margin-top: 6px; }

.tool-list { display: flex; flex-direction: column; gap: 10px; }
.tool-item {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--glass-border);
  color: var(--text-1);
  transition: border-color 0.15s, transform 0.15s;
}
.tool-item:hover { border-color: rgba(245, 185, 66, 0.45); transform: translateX(2px); }
.tool-item .ico {
  width: 38px; height: 38px; flex: none;
  border-radius: 11px;
  display: grid; place-items: center;
  background: var(--amber-soft);
  color: var(--amber);
}
.tool-item .ico svg { width: 17px; height: 17px; }
.tool-item .t { min-width: 0; }
.tool-item .t .lbl { font-size: 13.5px; font-weight: 700; }
.tool-item .t .kind { font-size: 11px; color: var(--text-3); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; margin-top: 2px; }
.tool-item .open { margin-left: auto; color: var(--amber); flex: none; }
.tool-item .open svg { width: 15px; height: 15px; }

/* =============================================================
   Notes
   ============================================================= */

.notes-card { padding: 22px 24px; flex: none; }
.notes-card .head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.notes-card .head h3 {
  font-size: 12px; font-weight: 800; letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  display: flex; align-items: center; gap: 9px;
}
.notes-card .head h3 svg { width: 15px; height: 15px; }
.notes-card .head .save-state {
  margin-left: auto;
  font-size: 11px; font-weight: 700;
  color: var(--text-3);
  transition: color 0.2s;
}
.notes-card .head .save-state.saved { color: var(--accent); }

.note-toolbar {
  display: flex; gap: 4px; flex-wrap: wrap;
  padding: 6px;
  border-radius: 12px 12px 0 0;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  border-bottom: none;
}
.note-toolbar button {
  min-width: 30px; height: 30px;
  padding: 0 8px;
  border-radius: 8px;
  color: var(--text-2);
  font-size: 13px; font-weight: 700;
  display: grid; place-items: center;
  transition: all 0.12s;
}
.note-toolbar button:hover { background: var(--glass-strong); color: var(--text-1); }
.note-toolbar button svg { width: 14px; height: 14px; }
.note-toolbar .sep { width: 1px; background: var(--glass-border); margin: 4px 3px; }

/* journal of time-stamped entries */
.note-entries {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}
.note-entry-item {
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.22);
  overflow: hidden;
  transition: border-color 0.15s;
}
.note-entry-item:focus-within { border-color: var(--glass-border-hi); }
.note-entry-item .ne-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--hairline);
}
.note-entry-item .ne-stamp {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent);
}
.note-entry-item .ne-del {
  margin-left: auto;
  width: 26px; height: 26px;
  border-radius: 8px;
  display: grid; place-items: center;
  color: var(--text-3);
  transition: all 0.12s;
}
.note-entry-item .ne-del:hover { color: var(--danger); background: rgba(255, 107, 107, 0.12); }
.note-entry-item .ne-del svg { width: 13px; height: 13px; }

.note-editor {
  min-height: 76px;
  max-height: 300px;
  overflow-y: auto;
  padding: 12px 14px;
  outline: none;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-1);
}
.note-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--text-3);
  pointer-events: none;
}
.note-editor ul, .note-editor ol { padding-left: 22px; }
.note-editor mark { background: rgba(52, 226, 138, 0.35); color: inherit; border-radius: 3px; padding: 0 2px; }
.note-editor a { text-decoration: underline; }

.notes-empty {
  margin-top: 12px;
  padding: 18px;
  border: 1px dashed var(--hairline-strong);
  border-radius: 12px;
  text-align: center;
  font-size: 12.5px;
  color: var(--text-3);
}

.notes-card .foot {
  display: flex; align-items: center; gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* Notes page */
.notes-page-head {
  display: flex; align-items: center; gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.notes-page-head h2 { font-size: 24px; font-weight: 800; letter-spacing: -0.01em; }
.notes-page-head .sub { color: var(--text-2); font-size: 13px; }
.notes-page-head .actions { margin-left: auto; display: flex; gap: 10px; }

.notes-list { display: flex; flex-direction: column; gap: 14px; }
.note-entry { padding: 18px 22px; }
.note-entry .top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.note-entry .top .where { font-size: 10px; font-weight: 800; letter-spacing: 0.16em; color: var(--accent); text-transform: uppercase; }
.note-entry .top .when { font-size: 11px; color: var(--text-3); font-weight: 600; margin-left: auto; }
.note-entry h4 { font-size: 15.5px; font-weight: 700; margin-top: 6px; }
.note-entry .excerpt {
  margin-top: 9px;
  font-size: 13.5px; color: var(--text-2); line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.note-entry .actions { display: flex; gap: 8px; margin-top: 13px; }

/* =============================================================
   Footer note for the tech team (subtle)
   ============================================================= */
.embed-note {
  margin-top: 40px;
  font-size: 11px;
  color: var(--text-3);
  text-align: center;
  line-height: 1.6;
}
.embed-note a { color: var(--text-3); text-decoration: underline; }

/* =============================================================
   Print — clean white sheet with only the notes
   ============================================================= */
#print-sheet { display: none; }

@media print {
  body { background: #fff; }
  body::before, body::after { display: none; }
  .main, .appbar { display: none !important; }

  #print-sheet {
    display: block;
    color: #111;
    font-family: Georgia, "Times New Roman", serif;
    padding: 0;
  }
  #print-sheet .ph {
    display: flex; align-items: baseline; justify-content: space-between;
    border-bottom: 3px solid #16a34a;
    padding-bottom: 12px;
    margin-bottom: 8px;
  }
  #print-sheet .ph .brand {
    font-family: var(--font);
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 0.02em;
    color: #0b3d22;
  }
  #print-sheet .ph .brand span { color: #16a34a; }
  #print-sheet .ph .meta { font-family: var(--font); font-size: 11px; color: #667; }
  #print-sheet .intro { font-family: var(--font); font-size: 12px; color: #556; margin-bottom: 24px; }

  #print-sheet .pnote { page-break-inside: avoid; margin-bottom: 30px; }
  #print-sheet .pnote .where {
    font-family: var(--font);
    font-size: 10px; font-weight: 700; letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #16a34a;
  }
  #print-sheet .pnote h3 {
    font-family: var(--font);
    font-size: 17px;
    margin: 4px 0 2px;
    color: #111;
  }
  #print-sheet .pnote .when { font-family: var(--font); font-size: 10.5px; color: #889; margin-bottom: 6px; }
  #print-sheet .pnote .body { font-size: 13px; line-height: 1.75; color: #222; }
  #print-sheet .pentry { margin-top: 12px; }
  #print-sheet .pentry + .pentry { border-top: 1px dashed #dde5df; padding-top: 12px; }
  #print-sheet .pnote .body ul, #print-sheet .pnote .body ol { padding-left: 22px; }
  #print-sheet .pnote .body mark { background: #d7f5e4; }
  #print-sheet .pnote + .pnote { border-top: 1px solid #dde5df; padding-top: 24px; }
}

/* =============================================================
   Responsive
   ============================================================= */

@media (max-width: 1020px) {
  .dash-grid { grid-template-columns: 1fr; }
  .side-col { flex-direction: row; flex-wrap: wrap; }
  .side-col > * { flex: 1 1 260px; }

  .sections-grid { grid-template-columns: repeat(2, 1fr); }

  .course-layout { grid-template-columns: 1fr; }
  .list-pane { padding-right: 0; }
  .player-col {
    border-left: none;
    padding-left: 0;
    order: -1;
  }
  .player-pane {
    position: static;
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 640px) {
  .sections-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main { padding-bottom: 40px; }
  .hero { padding: 20px; }
  .section-switch { margin-left: 0; }
}