:root {
  --course-orange: #ff6b35;
  --course-orange-dark: #dc4f20;
  --course-gold: #f4b942;
  --course-ink: #202124;
  --course-muted: #6f716f;
  --course-soft: #f5f1e9;
  --course-line: #e8e2d8;
  --course-white: #ffffff;
  --course-green: #238653;
  --course-navy: #10233f;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--course-ink);
  background: #faf9f6;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
button, select { font: inherit; }
button:disabled { opacity: .68; cursor: wait; }
.course-shell { max-width: 1180px; margin: 0 auto; padding: 36px 24px 72px; }
.course-kicker {
  margin: 0 0 9px; color: var(--course-orange); font-size: 13px;
  font-weight: 800; letter-spacing: 2px; text-transform: uppercase;
}
.course-page-title { margin: 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.2; }
.course-page-lead { max-width: 720px; margin: 12px 0 0; color: var(--course-muted); font-size: 16px; line-height: 1.8; }
.course-section-title { margin: 0 0 18px; font-size: 22px; }
.course-section-copy { margin: -8px 0 20px; color: var(--course-muted); line-height: 1.7; }

.course-overview {
  position: relative; overflow: hidden; margin-bottom: 30px; padding: 36px;
  border: 1px solid #eadfce; border-radius: 24px;
  background:
    radial-gradient(circle at 88% 15%, rgba(244,185,66,.25), transparent 25%),
    linear-gradient(135deg, #fff 0%, #fbf3e5 100%);
}
.course-overview::after {
  content: ""; position: absolute; right: -70px; bottom: -100px;
  width: 250px; height: 250px; border-radius: 50%;
  border: 44px solid rgba(255,107,53,.07); pointer-events: none;
}

.course-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 22px; }
.course-card {
  display: grid; grid-template-columns: 168px minmax(0, 1fr); min-height: 300px;
  overflow: hidden; border: 1px solid var(--course-line); border-radius: 18px;
  background: var(--course-white); box-shadow: 0 12px 36px rgba(47,38,24,.07);
  transition: transform .18s ease, box-shadow .18s ease;
}
.course-card:hover { transform: translateY(-3px); box-shadow: 0 18px 44px rgba(47,38,24,.11); }
.course-card-cover { position: relative; min-height: 100%; background: var(--course-navy); }
.course-card-cover img { width: 100%; height: 100%; display: block; object-fit: cover; }
.course-card-badge {
  position: absolute; top: 12px; left: 12px; padding: 5px 9px;
  border-radius: 999px; background: rgba(16,35,63,.86); color: #fff;
  font-size: 11px; font-weight: 800; backdrop-filter: blur(8px);
}
.course-card-body { display: flex; flex-direction: column; min-width: 0; padding: 24px; }
.course-card h2 { margin: 0; font-size: 22px; line-height: 1.35; }
.course-card-subtitle { margin: 8px 0 0; color: var(--course-muted); font-size: 14px; line-height: 1.65; }
.course-card-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 18px 0; color: #777; font-size: 12px; }
.course-progress-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 7px; font-size: 12px; color: var(--course-muted); }
.course-progress-track { height: 7px; overflow: hidden; border-radius: 999px; background: #ece8e0; }
.course-progress-bar { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--course-orange), var(--course-gold)); }
.course-card-actions { display: flex; gap: 10px; margin-top: auto; padding-top: 20px; }

.course-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
  padding: 0 18px; border: 0; border-radius: 10px; text-decoration: none;
  font-size: 14px; font-weight: 800; cursor: pointer; transition: .18s ease;
}
.course-btn-primary { background: var(--course-orange); color: #fff; }
.course-btn-primary:hover { background: var(--course-orange-dark); transform: translateY(-1px); }
.course-btn-secondary { border: 1px solid var(--course-line); background: #fff; color: var(--course-ink); }
.course-btn-secondary:hover { border-color: var(--course-orange); color: var(--course-orange); }
.course-btn-muted { background: #ece9e3; color: #7c7a76; cursor: default; }

.course-detail-hero {
  display: grid; grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: 42px; align-items: center; margin-bottom: 28px; padding: 34px;
  border-radius: 24px; color: #fff;
  background:
    radial-gradient(circle at 85% 18%, rgba(244,185,66,.28), transparent 28%),
    linear-gradient(135deg, #0d1f39 0%, #17365e 100%);
  box-shadow: 0 18px 55px rgba(16,35,63,.18);
}
.course-detail-cover { width: 100%; aspect-ratio: 9 / 16; overflow: hidden; border-radius: 16px; background: #071323; box-shadow: 0 18px 44px rgba(0,0,0,.28); }
.course-detail-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.course-detail-copy .course-kicker { color: #f5c567; }
.course-detail-copy h1 { margin: 0; font-size: clamp(30px, 4.4vw, 52px); line-height: 1.16; }
.course-detail-copy .subtitle { margin: 14px 0 0; color: #dce6f3; font-size: 18px; line-height: 1.7; }
.course-detail-meta { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.course-detail-meta span { padding: 7px 11px; border-radius: 8px; background: rgba(255,255,255,.09); color: #edf3fa; font-size: 13px; }
.course-detail-price { margin: 18px 0 5px; font-size: 14px; color: #c8d5e4; }
.course-detail-price strong { margin-right: 7px; color: #f5c567; font-size: 30px; }
.course-detail-note { margin: 10px 0 0; color: #b9c7d7; font-size: 12px; line-height: 1.65; }
.course-detail-note a { color: #f5c567; }
.course-detail-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.course-resources {
  display: grid; grid-template-columns: minmax(190px, .65fr) minmax(0, 1.35fr);
  gap: 24px; align-items: center; margin-bottom: 24px; padding: 24px 26px;
  border: 1px solid #f0d6b8; border-radius: 18px;
  background: linear-gradient(135deg, #fff8ed, #fff);
  box-shadow: 0 8px 30px rgba(47,38,24,.05);
}
.course-resources h2 { margin: 0; font-size: 23px; }
.course-resources > div > p:last-child { margin: 8px 0 0; color: var(--course-muted); line-height: 1.65; }
.course-resource-list { display: grid; gap: 10px; }
.course-resource-card {
  display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 14px;
  align-items: center; padding: 14px; border: 1px solid var(--course-line);
  border-radius: 14px; background: #fff;
}
.course-resource-icon {
  display: flex; align-items: center; justify-content: center; width: 48px; height: 54px;
  border-radius: 9px; color: #fff; background: #d64b3c; font-size: 12px; font-weight: 900;
}
.course-resource-copy strong, .course-resource-copy small { display: block; }
.course-resource-copy p { margin: 5px 0; color: var(--course-muted); font-size: 12px; line-height: 1.55; }
.course-resource-copy small { color: #8c8983; }
.course-resource-actions { display: flex; gap: 8px; }
.course-resource-actions .course-btn { min-height: 38px; padding: 0 13px; font-size: 12px; white-space: nowrap; }

.course-content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 350px; gap: 24px; align-items: start; }
.course-panel { border: 1px solid var(--course-line); border-radius: 18px; background: #fff; padding: 26px; box-shadow: 0 8px 30px rgba(47,38,24,.04); }
.course-panel + .course-panel { margin-top: 20px; }
.course-check-list, .course-audience-list { list-style: none; margin: 0; padding: 0; }
.course-check-list li, .course-audience-list li { position: relative; padding: 10px 0 10px 31px; border-bottom: 1px solid #f0ece5; line-height: 1.55; }
.course-check-list li:last-child, .course-audience-list li:last-child { border-bottom: 0; }
.course-check-list li::before { content: "✓"; position: absolute; left: 1px; top: 10px; color: var(--course-green); font-weight: 900; }
.course-audience-list li::before { content: "•"; position: absolute; left: 8px; top: 8px; color: var(--course-orange); font-size: 22px; }
.course-not-for { margin-top: 20px; padding: 16px 18px; border-radius: 12px; background: #faf4ed; }
.course-not-for h3 { margin: 0 0 8px; font-size: 14px; }
.course-not-for p { margin: 4px 0; color: var(--course-muted); font-size: 13px; line-height: 1.6; }

.lesson-list { display: grid; gap: 10px; }
.lesson-row {
  display: grid; grid-template-columns: 48px minmax(0, 1fr) auto; gap: 14px;
  align-items: center; min-height: 70px; padding: 11px 14px;
  border: 1px solid var(--course-line); border-radius: 12px; color: inherit;
  background: #fff; text-decoration: none; transition: .16s ease;
}
.lesson-row.is-open:hover { border-color: rgba(255,107,53,.55); background: #fffaf6; transform: translateX(2px); }
.lesson-row-number { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 10px; color: var(--course-orange); background: #fff0e9; font-size: 13px; font-weight: 900; }
.lesson-row-copy { display: flex; min-width: 0; flex-direction: column; }
.lesson-row-title { min-width: 0; font-size: 14px; font-weight: 750; line-height: 1.55; }
.lesson-row-summary { margin-top: 3px; color: var(--course-muted); font-size: 12px; line-height: 1.55; }
.lesson-row-meta { margin-top: 3px; color: var(--course-muted); font-size: 11px; }
.course-curriculum-section { margin: 24px 0 10px; color: var(--course-ink); font-size: 16px; }
.lesson-preview-badge {
  display: inline-flex; width: max-content; margin-top: 6px; padding: 2px 8px;
  border-radius: 999px; background: #fff1e8; color: #d45516;
  font-size: 12px; font-weight: 800;
}
.course-included-card {
  display: grid; grid-template-columns: 86px minmax(0, 1fr); gap: 12px;
  align-items: center; padding: 10px; border: 1px solid var(--course-line);
  border-radius: 14px; color: inherit; text-decoration: none; background: #fff;
}
.course-included-card img { width: 86px; height: 64px; border-radius: 10px; object-fit: cover; }
.course-included-card span,
.course-included-card strong,
.course-included-card small,
.course-included-card em { display: block; }
.course-included-card small { margin-top: 4px; color: var(--course-muted); line-height: 1.45; }
.course-included-card em {
  margin-top: 6px; color: #14804a; font-size: 12px;
  font-style: normal; font-weight: 800;
}
.lesson-row-status { color: #8b8b87; font-size: 12px; white-space: nowrap; }
.lesson-row-status.done { color: var(--course-green); font-weight: 800; }

.course-pay-modal {
  position: fixed; z-index: 1000; inset: 0; display: flex; align-items: center;
  justify-content: center; padding: 20px; background: rgba(6, 17, 31, .72);
  backdrop-filter: blur(5px);
}
.course-pay-modal[hidden] { display: none; }
.course-pay-dialog {
  position: relative; width: min(100%, 410px); padding: 30px;
  border-radius: 20px; background: #fff; text-align: center;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .32);
}
.course-pay-dialog h2 { margin: 0; font-size: 22px; line-height: 1.4; }
.course-pay-dialog .course-kicker { margin-bottom: 6px; }
.course-pay-close {
  position: absolute; top: 11px; right: 13px; width: 36px; height: 36px;
  border: 0; border-radius: 50%; background: #f1eee8; color: #56534f;
  font-size: 24px; line-height: 1; cursor: pointer;
}
.course-pay-amount { margin: 8px 0 14px; color: var(--course-orange-dark); font-size: 21px; font-weight: 900; }
.course-pay-qr { width: 240px; height: 240px; max-width: 100%; margin: 0 auto; border: 1px solid var(--course-line); border-radius: 12px; background: #fff; }
.course-pay-status { min-height: 44px; margin: 14px 0; color: var(--course-muted); font-size: 13px; line-height: 1.65; }
.course-pay-status.paid { color: var(--course-green); font-weight: 800; }
.course-pay-rule { margin: 14px 0 0; color: #96938e; font-size: 11px; line-height: 1.55; }
.course-pay-rule a { color: var(--course-orange-dark); }
.course-toast {
  position: fixed; z-index: 1100; left: 50%; bottom: 28px; max-width: min(88vw, 520px);
  padding: 11px 17px; border-radius: 999px; color: #fff; background: rgba(16, 35, 63, .94);
  box-shadow: 0 12px 36px rgba(0, 0, 0, .22); font-size: 13px; line-height: 1.5;
  opacity: 0; pointer-events: none; transform: translate(-50%, 12px); transition: .2s ease;
}
.course-toast.show { opacity: 1; transform: translate(-50%, 0); }

.course-loading, .course-error, .course-empty {
  padding: 48px 24px; border: 1px dashed #d9d2c6; border-radius: 16px;
  background: rgba(255,255,255,.72); color: var(--course-muted); text-align: center;
}
.course-error h2, .course-empty h2 { margin: 0 0 9px; color: var(--course-ink); }
.course-loading-dot { display: inline-block; width: 8px; height: 8px; margin: 0 3px; border-radius: 50%; background: var(--course-orange); animation: coursePulse 1s infinite alternate; }
.course-loading-dot:nth-child(2) { animation-delay: .2s; }
.course-loading-dot:nth-child(3) { animation-delay: .4s; }
@keyframes coursePulse { to { opacity: .25; transform: translateY(-4px); } }

.lesson-page { min-height: calc(100vh - 64px); background: #f2f0eb; }
.lesson-layout { display: grid; grid-template-columns: 320px minmax(0, 1fr); min-height: calc(100vh - 64px); }
.lesson-sidebar { border-right: 1px solid #ded9cf; background: #fff; }
.lesson-sidebar-head { padding: 22px 20px 16px; border-bottom: 1px solid #ece8e1; }
.lesson-sidebar-head a { color: var(--course-orange); font-size: 12px; font-weight: 800; text-decoration: none; }
.lesson-sidebar-head h1 { margin: 9px 0 4px; font-size: 17px; line-height: 1.4; }
.lesson-sidebar-head p { margin: 0; color: var(--course-muted); font-size: 11px; }
.lesson-nav-list { max-height: calc(100vh - 174px); overflow-y: auto; padding: 10px; }
.lesson-nav-item {
  display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 10px;
  align-items: center; padding: 11px; border-radius: 10px; color: #4c4c49;
  text-decoration: none; font-size: 12px; line-height: 1.45;
}
.lesson-nav-item:hover { background: #f7f3ed; }
.lesson-nav-item.active { color: #a83b16; background: #fff0e8; font-weight: 800; }
.lesson-nav-num { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 8px; background: #efede8; font-weight: 900; }
.lesson-nav-item.active .lesson-nav-num { color: #fff; background: var(--course-orange); }
.lesson-nav-copy { display: flex; min-width: 0; flex-direction: column; gap: 3px; }
.lesson-nav-state { color: var(--course-muted); font-size: 10px; font-weight: 600; }
.lesson-nav-state.done { color: #31824d; }
.lesson-main { min-width: 0; padding: 28px 32px 56px; }
.lesson-main-inner { max-width: 1050px; margin: 0 auto; }
.lesson-breadcrumb { margin-bottom: 14px; color: var(--course-muted); font-size: 12px; }
.lesson-breadcrumb a { color: var(--course-orange); text-decoration: none; }
.lesson-title { margin: 0 0 18px; font-size: clamp(23px, 3vw, 34px); line-height: 1.35; }
.video-frame { display: flex; align-items: center; justify-content: center; min-height: 420px; overflow: hidden; border-radius: 16px; background: #080808; box-shadow: 0 18px 50px rgba(0,0,0,.16); }
.video-frame video { display: block; width: 100%; height: min(72vh, 720px); object-fit: contain; background: #080808; }
.video-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 12px 0 0; padding: 11px 14px; border: 1px solid var(--course-line); border-radius: 11px; background: #fff; color: var(--course-muted); font-size: 12px; }
.video-toolbar > div { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; }
.video-progress-status { color: #a83b16; font-weight: 800; }
.video-progress-status.done { color: #31824d; }
.video-speed { display: flex; align-items: center; gap: 8px; }
.video-speed select { padding: 6px 28px 6px 9px; border: 1px solid #ddd7cd; border-radius: 7px; background: #fff; color: var(--course-ink); }
.lesson-info { margin-top: 22px; padding: 24px; border: 1px solid var(--course-line); border-radius: 16px; background: #fff; }
.lesson-info h2 { margin: 0 0 10px; font-size: 18px; }
.lesson-info p { margin: 0; color: var(--course-muted); line-height: 1.8; }
.lesson-pager { display: flex; justify-content: space-between; gap: 14px; margin-top: 20px; }
.lesson-pager .course-btn { max-width: 48%; }
.lesson-locked { max-width: 620px; margin: 70px auto; padding: 42px 30px; border: 1px solid var(--course-line); border-radius: 20px; background: #fff; text-align: center; box-shadow: 0 18px 55px rgba(47,38,24,.08); }
.lesson-locked .lock-icon { font-size: 40px; }
.lesson-locked h1 { margin: 14px 0 8px; }
.lesson-locked p { color: var(--course-muted); line-height: 1.7; }

.learning-task-root { margin-top: 22px; }
.learning-task-card {
  overflow: hidden; padding: 26px; border: 1px solid #e7d6c3; border-radius: 18px;
  background: #fff; box-shadow: 0 12px 34px rgba(47,38,24,.06);
}
.learning-task-head { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 24px; }
.learning-task-head h2 { margin: 4px 0 7px; font-size: 22px; }
.learning-task-head p { margin: 0; color: var(--course-muted); line-height: 1.7; }
.learning-task-head > a { flex: 0 0 auto; color: var(--course-orange-dark); font-size: 13px; font-weight: 800; text-decoration: none; }
.learning-task-kicker { color: var(--course-orange-dark); font-size: 12px; font-weight: 900; letter-spacing: 1px; }
.learning-task-locked { background: linear-gradient(135deg, #fff 0%, #fbf4e9 100%); }
.learning-task-locked h2 { margin: 6px 0; }
.learning-task-locked p { color: var(--course-muted); line-height: 1.7; }
.learning-open-track { height: 8px; overflow: hidden; border-radius: 999px; background: #e9e3da; }
.learning-open-track span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--course-orange), var(--course-gold)); }
.learning-field { margin-top: 18px; padding: 19px; border: 1px solid #eee7dc; border-radius: 13px; background: #fdfcf9; }
.learning-field-head { margin-bottom: 10px; }
.learning-field-head label, .learning-card-field > label { display: block; font-size: 14px; font-weight: 800; line-height: 1.5; }
.learning-field-head em, .learning-card-field em { margin-left: 4px; color: #d64325; font-style: normal; }
.learning-field-head small { display: block; margin-top: 3px; color: var(--course-muted); line-height: 1.55; }
.learning-field-example { margin-top: 9px; color: #625b52; }
.learning-field-example summary { width: fit-content; color: #d9532b; font-size: 13px; font-weight: 800; cursor: pointer; }
.learning-field-example p { margin: 8px 0 5px; color: var(--course-muted); font-size: 12px; }
.learning-field-example div { padding: 10px 12px; border-radius: 9px; background: #f5f0e8; line-height: 1.65; white-space: pre-line; }
.learning-field input[type="text"], .learning-field input[type="number"], .learning-field input[type="date"],
.learning-field textarea, .learning-field select, .learning-source-add select,
.learning-report-editor-field textarea {
  width: 100%; min-width: 0; padding: 11px 12px; border: 1px solid #dcd5ca;
  border-radius: 9px; color: var(--course-ink); background: #fff; font: inherit;
}
.learning-field textarea { resize: vertical; line-height: 1.65; }
.learning-field input:focus, .learning-field textarea:focus, .learning-field select:focus,
.learning-report-editor-field textarea:focus { outline: 2px solid rgba(255,107,53,.18); border-color: var(--course-orange); }
.learning-check-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.learning-check-grid label, .learning-confirm { padding: 8px 11px; border: 1px solid #e2dbd1; border-radius: 9px; background: #fff; font-size: 13px; }
.learning-repeat-list { display: grid; gap: 12px; }
.learning-repeat-card { overflow: hidden; padding: 16px; border: 1px solid #ddd5ca; border-radius: 12px; background: #fff; }
.learning-repeat-card > header { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.learning-repeat-card > header strong { min-width: 0; overflow-wrap: anywhere; }
.learning-repeat-card > header span { display: flex; flex: 0 0 auto; gap: 4px; }
.learning-repeat-card > header button { border: 0; border-radius: 7px; padding: 5px 8px; color: #746e66; background: #f0ece5; cursor: pointer; }
.learning-card-field + .learning-card-field { margin-top: 11px; }
.learning-card-field > label { margin-bottom: 5px; font-size: 12px; }
.learning-repeat-actions, .learning-source-add { display: flex; gap: 9px; margin-top: 12px; }
.learning-source-add select { flex: 1 1 auto; }
.learning-classification, .learning-calendar { display: grid; gap: 8px; }
.learning-classification-summary { margin-bottom: 12px; padding: 14px; border: 1px solid #f0c5af; border-radius: 11px; background: #fff5ee; }
.learning-classification-summary > strong { display: block; margin-bottom: 9px; font-size: 14px; }
.learning-classification-counts, .learning-classification-quotas { display: flex; flex-wrap: wrap; gap: 7px; }
.learning-classification-quotas { margin-top: 8px; }
.learning-classification-counts span, .learning-classification-quotas span { padding: 5px 8px; border-radius: 999px; background: #fff; color: #625b53; font-size: 12px; }
.learning-classification-quotas span.done { color: #20734a; background: #e7f7ee; }
.learning-classification-quotas span.pending { color: #a44713; background: #fff0d8; }
.learning-classification-summary.ready { border-color: #a9d8bd; background: #f0faf4; }
.learning-classification-summary [data-classification-error] { margin: 9px 0 0; color: #b93222; font-size: 12px; font-weight: 800; line-height: 1.55; }
.learning-classification-summary [data-classification-error]:empty { display: none; }
.learning-classify-row { display: grid; grid-template-columns: minmax(180px, 1fr) 150px minmax(190px, .8fr); gap: 9px; align-items: center; padding: 10px; border-radius: 10px; background: #fff; }
.learning-classify-row strong { min-width: 0; overflow-wrap: anywhere; font-size: 13px; }
.learning-calendar-row { display: grid; grid-template-columns: minmax(0, 1fr) 120px; gap: 12px; align-items: center; padding: 9px 11px; border: 1px solid #eee8df; border-radius: 10px; background: #fff; }
.learning-calendar-row span { min-width: 0; overflow-wrap: anywhere; font-size: 13px; }
.learning-upload { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.learning-file-link, .learning-upload a { color: var(--course-orange-dark); font-weight: 800; }
.learning-ai-box { padding: 11px; border-radius: 10px; background: #f7f2e9; }
.learning-ai-suggestions { display: grid; gap: 7px; margin-top: 9px; }
.learning-ai-suggestions button { padding: 9px 11px; border: 1px solid #e0d6c9; border-radius: 8px; background: #fff; text-align: left; cursor: pointer; }
.learning-field-ai { margin-top: 12px; }
.learning-ai-reference { margin-top: 10px; padding: 13px; border: 1px solid #ead9bf; border-radius: 10px; background: #fff9ee; }
.learning-ai-reference > strong { display: block; margin-bottom: 7px; }
.learning-ai-reference > p, .learning-ai-reference ol { margin: 0 0 10px; line-height: 1.7; white-space: pre-line; }
.learning-ai-reference ol { padding-left: 22px; }
.learning-ai-reference > div { display: flex; flex-wrap: wrap; gap: 8px; }
.learning-task-actions { display: flex; justify-content: flex-end; align-items: center; gap: 10px; margin-top: 22px; }
.learning-task-status { margin-right: auto; color: var(--course-muted); font-size: 12px; }
.learning-task-status.done { color: var(--course-green); font-weight: 800; }
.learning-task-status.error, .learning-task-error { color: #b93222; }

.learning-results-hero, .learning-final-hero {
  display: flex; justify-content: space-between; gap: 28px; align-items: center;
  margin-bottom: 26px; padding: 30px; border-radius: 22px; color: #fff;
  background: linear-gradient(135deg, #10233f, #23476f);
}
.learning-results-hero h1, .learning-final-hero h1 { margin: 0; font-size: clamp(28px, 4vw, 43px); }
.learning-results-hero p:not(.course-kicker), .learning-final-hero p:not(.course-kicker) { margin: 9px 0 0; color: #dce5ef; line-height: 1.7; }
.learning-results-hero > div:last-child, .learning-final-hero > div:last-child { display: flex; flex-wrap: wrap; gap: 9px; }
.learning-stage-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 19px; }
.learning-stage-card { display: flex; min-width: 0; flex-direction: column; padding: 23px; border: 1px solid var(--course-line); border-radius: 17px; background: #fff; box-shadow: 0 10px 30px rgba(47,38,24,.05); }
.learning-stage-card header > span, .learning-final-section header > span { color: var(--course-orange-dark); font-size: 12px; font-weight: 900; }
.learning-stage-card h2 { margin: 5px 0; font-size: 21px; }
.learning-stage-card header p { margin: 0; color: var(--course-muted); line-height: 1.6; }
.learning-stage-progress { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 18px 0; }
.learning-progress > div:first-child { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 5px; color: var(--course-muted); font-size: 11px; }
.learning-progress-track { height: 7px; overflow: hidden; border-radius: 99px; background: #ece8e1; }
.learning-progress-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--course-orange), var(--course-gold)); }
.learning-result-task-list { display: grid; gap: 7px; }
.learning-result-task { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; gap: 9px; align-items: center; padding: 9px 10px; border-radius: 9px; color: inherit; background: #f8f5ef; text-decoration: none; font-size: 12px; }
.learning-result-task.open:hover { background: #fff0e8; }
.learning-result-task span { color: var(--course-muted); }
.learning-result-task strong { min-width: 0; overflow-wrap: anywhere; }
.learning-result-task em { color: var(--course-muted); font-style: normal; white-space: nowrap; }
.learning-stage-card footer { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: auto; padding-top: 18px; }
.learning-stage-card footer strong, .learning-stage-card footer small { display: block; }
.learning-stage-card footer small { margin-top: 4px; color: var(--course-muted); }
.learning-stage-card.future { opacity: .72; border-style: dashed; background: #f7f5f0; }
.learning-coming { margin-top: 24px; padding: 18px; border-radius: 10px; color: var(--course-muted); background: #ece9e2; text-align: center; }

.learning-report-page { max-width: 920px; }
.learning-report-head { margin-bottom: 22px; }
.learning-report-head a { color: var(--course-orange-dark); font-size: 13px; font-weight: 800; text-decoration: none; }
.learning-report-head p { margin: 20px 0 4px; color: var(--course-orange-dark); font-weight: 900; }
.learning-report-head h1 { margin: 0; font-size: clamp(28px, 4vw, 42px); }
.learning-report-wait { padding: 50px 24px; border: 1px solid var(--course-line); border-radius: 18px; background: #fff; text-align: center; }
.learning-report-document { padding: 30px; border: 1px solid var(--course-line); border-radius: 18px; background: #fff; box-shadow: 0 12px 34px rgba(47,38,24,.06); }
.learning-report-status { margin-bottom: 15px; color: var(--course-green); font-size: 12px; font-weight: 800; }
.learning-report-content { display: grid; gap: 13px; }
.learning-report-content article { padding: 16px 18px; border-radius: 11px; background: #f8f5ef; }
.learning-report-content h3 { margin: 0 0 8px; font-size: 15px; text-transform: capitalize; }
.learning-report-content p, .learning-report-content ul { margin: 0; line-height: 1.75; }
.learning-report-content pre, .learning-report-evidence pre, .learning-final-section pre { max-width: 100%; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; }
.learning-report-stale { margin-bottom: 14px; padding: 12px 15px; border-radius: 10px; color: #a44713; background: #fff0d8; font-weight: 800; }
.learning-report-edit, .learning-report-evidence { margin-top: 17px; padding: 16px 18px; border: 1px solid var(--course-line); border-radius: 13px; background: #fff; }
.learning-report-edit summary, .learning-report-evidence summary { cursor: pointer; font-weight: 800; }
.learning-report-editor-field { display: block; margin-top: 14px; }
.learning-report-editor-field span { display: block; margin-bottom: 5px; font-weight: 800; text-transform: capitalize; }
.learning-report-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 17px; }
.learning-report-evidence article { margin-top: 12px; padding: 12px; border-radius: 9px; background: #f7f4ee; }
.learning-report-evidence h4 { margin: 0 0 7px; }

.learning-final-sections { display: grid; gap: 18px; }
.learning-final-section { padding: 25px; border: 1px solid var(--course-line); border-left: 5px solid #c9c5bd; border-radius: 16px; background: #fff; }
.learning-final-section.confirmed { border-left-color: var(--course-green); }
.learning-final-section header { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 3px 12px; align-items: center; margin-bottom: 17px; }
.learning-final-section header span { grid-column: 1 / -1; }
.learning-final-section h2 { margin: 0; }
.learning-final-section header em { color: var(--course-muted); font-style: normal; }
.learning-final-section > div { padding: 13px 0; border-top: 1px solid #eee9e1; }
.learning-final-section h3 { margin: 0 0 7px; font-size: 14px; text-transform: capitalize; }
.learning-final-section p, .learning-final-section ul { margin: 0; line-height: 1.75; }
.learning-final-empty { color: var(--course-muted); }

.learning-graduation-summary,
.learning-profit-box {
  margin: 18px 0;
  padding: 18px;
  border: 1px solid #eadfce;
  border-radius: 16px;
  background: #fffaf3;
}
.learning-graduation-summary h3 { margin: 0 0 6px; }
.learning-graduation-summary > p,
.learning-profit-box > p { margin: 0 0 12px; color: #7a6b5a; }
.learning-graduation-summary > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.learning-graduation-summary article {
  display: grid;
  gap: 5px;
  padding: 12px;
  border-radius: 12px;
  background: #fff;
}
.learning-graduation-summary article span { color: #5e554b; line-height: 1.6; }
.learning-profit-box > div { display: flex; flex-wrap: wrap; gap: 12px; margin: 10px 0; }
.learning-profit-box > div span { flex: 1; min-width: 180px; padding: 12px; border-radius: 12px; background: #fff; }
.learning-profit-box b { display: block; margin-top: 5px; color: #e65328; font-size: 22px; }

.learning-profile-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 26px;
}
.learning-profile-grid article { padding: 16px; border: 1px solid #eadfce; border-radius: 14px; background: #fff; }
.learning-profile-grid span { display: block; color: #8a7b69; font-size: 13px; }
.learning-profile-grid strong { display: block; margin-top: 7px; line-height: 1.55; }

@media (max-width: 720px) {
  .learning-graduation-summary > div,
  .learning-profile-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .course-detail-hero { grid-template-columns: 190px minmax(0, 1fr); gap: 26px; padding: 26px; }
  .course-resources { grid-template-columns: 1fr; }
  .course-content-grid { grid-template-columns: 1fr; }
  .lesson-layout { grid-template-columns: minmax(0, 1fr); }
  .lesson-sidebar { border-right: 0; border-bottom: 1px solid #ded9cf; }
  .lesson-sidebar-head { padding: 16px; }
  .lesson-nav-list { display: flex; max-height: none; overflow-x: auto; padding: 8px 12px 12px; }
  .lesson-nav-item { flex: 0 0 210px; }
  .lesson-main { padding: 22px 18px 48px; }
  .learning-stage-grid { grid-template-columns: 1fr; }
  .learning-classify-row { grid-template-columns: minmax(0, 1fr) 150px; }
  .learning-classify-row input { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .course-shell { padding: 24px 14px 54px; }
  .course-overview { padding: 25px 21px; border-radius: 18px; }
  .course-grid { grid-template-columns: 1fr; }
  .course-card { grid-template-columns: 116px minmax(0, 1fr); min-height: 252px; }
  .course-card-body { padding: 17px; }
  .course-card h2 { font-size: 18px; }
  .course-card-actions { flex-direction: column; }
  .course-btn { min-height: 42px; }
  .course-detail-hero { grid-template-columns: 105px minmax(0, 1fr); gap: 16px; padding: 18px; border-radius: 18px; align-items: start; }
  .course-detail-copy h1 { font-size: 25px; }
  .course-detail-copy .subtitle { font-size: 14px; }
  .course-detail-meta { gap: 6px; margin: 14px 0; }
  .course-detail-meta span { padding: 5px 7px; font-size: 11px; }
  .course-detail-price strong { font-size: 24px; }
  .course-detail-actions { grid-column: 1 / -1; }
  .course-resources { gap: 16px; padding: 20px 16px; }
  .course-resource-card { grid-template-columns: 42px minmax(0, 1fr); }
  .course-resource-icon { width: 42px; height: 48px; }
  .course-resource-actions { grid-column: 1 / -1; }
  .course-resource-actions .course-btn { flex: 1; }
  .course-panel { padding: 20px 16px; border-radius: 14px; }
  .lesson-row { grid-template-columns: 42px minmax(0, 1fr); gap: 10px; }
  .lesson-row-status { grid-column: 2; }
  .video-frame { min-height: 320px; border-radius: 12px; }
  .video-frame video { height: 64vh; max-height: 620px; }
  .video-toolbar { align-items: flex-start; flex-direction: column; }
  .lesson-pager { flex-direction: column; }
  .lesson-pager .course-btn { max-width: none; width: 100%; }
  .learning-task-card { padding: 18px 14px; }
  .learning-task-head, .learning-results-hero, .learning-final-hero { align-items: stretch; flex-direction: column; }
  .learning-task-actions { align-items: stretch; flex-direction: column; }
  .learning-task-actions .learning-task-status { margin-right: 0; }
  .learning-repeat-actions, .learning-source-add, .learning-report-actions { align-items: stretch; flex-direction: column; }
  .learning-classify-row { grid-template-columns: 1fr; }
  .learning-classify-row input { grid-column: auto; }
  .learning-calendar-row { grid-template-columns: 1fr; }
  .learning-result-task { grid-template-columns: 68px minmax(0, 1fr); }
  .learning-result-task em { grid-column: 2; white-space: normal; }
  .learning-stage-card footer { align-items: stretch; flex-direction: column; }
  .learning-report-document { padding: 19px 15px; }
}