/* Brand presentation only; player layout and reading behaviour stay in player.css/site.js. */
body { background: var(--paper); color: var(--ink); border-top: 3px solid var(--gold); }
body > header { padding-top: 15px; padding-bottom: 30px; }
.lesson-masthead { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 28px; }
.lesson-brand { display: flex; align-items: center; gap: 20px; text-decoration: none; color: var(--green); }
.lesson-brand .brand-logo { width: 100px; height: 100px; }
.lesson-brand > span { font: 23px/1.8 Amiri, serif; padding-inline-start: 20px; border-inline-start: 1px solid var(--line); }
.lesson-brand .site-version { display: block; color: var(--muted); opacity: .75; font: 10px/1.4 Arial, sans-serif; direction: ltr; unicode-bidi: isolate; text-align: start; }
.back-home { display: inline-flex; align-items: center; gap: 20px; padding: 8px 0; color: var(--green); font-size: 12px; text-decoration: none; }
.lesson-eyebrow { font-size: 12px; color: var(--gold-ink); }
header h1 { font: 400 clamp(33px, 4vw, 51px)/1.65 Amiri, serif; margin-block: 8px; }
header p { color: var(--muted); font-size: 15px; }
header > a { color: var(--green); font-size: 13px; text-decoration-color: var(--gold); text-underline-offset: 5px; }
.player { background: var(--green); border-radius: 6px; box-shadow: 0 8px 25px #123f3714; }
.player video { background: var(--green-dark); }
.player-tools { background: var(--green); border-top: 1px solid #bd8c3666; }
.player-tools button, .player-tools select { background: #164e43; border-color: #6d8c72; border-radius: 4px; color: var(--paper); }
.player-tools button:hover { background: #255f50; }
.reader-nav { background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: none; }
.reader-nav button { background: #fffaf1; color: var(--green); border-color: var(--line); border-radius: 4px; }
.reader-nav button:hover:not(:disabled) { background: var(--paper-deep); }
#reading-status, .meta { color: var(--muted); }
.reader article { border: 1px solid var(--line); border-top: 2px solid var(--gold); border-radius: 5px; background: #fffcf5; }
.reader article h2 { font-family: Amiri, serif; font-size: 32px; font-weight: 400; color: var(--green); }
.reader article p { color: var(--ink); }
.meta button { background: var(--paper-deep); color: var(--green); }
#video-index, #text-index { background: var(--paper); color: var(--ink); border-color: var(--line); border-radius: 8px; }
dialog::backdrop { background: #032f2ab8; }
.index-header { border-color: var(--line); }
.index-header p { color: var(--muted); }
.index-header button { background: var(--paper-deep); color: var(--green); }
#player-chapters, #text-chapters, .player:fullscreen #player-chapters { background: var(--paper); }
#player-chapters button, #text-chapters button { color: var(--ink); border-color: var(--line); }
#player-chapters button[aria-current="true"], #text-chapters button[aria-current="true"] { background: #e6ddc9; color: var(--green); border-radius: 3px; }
.lesson-footer { display: flex; align-items: center; gap: 24px; border-top: 1px solid var(--line); padding-top: 22px; color: var(--muted); font-size: 12px; }
.lesson-footer img { display: block; object-fit: contain; }
.lesson-footer > a:last-child { margin-inline-start: auto; color: var(--green); text-decoration-color: var(--gold); text-underline-offset: 5px; }
@media (max-width: 650px) {
  body > header { padding-inline: 20px; padding-top: 8px; padding-bottom: 24px; }
  .lesson-masthead { gap: 14px; margin-bottom: 23px; padding-bottom: 9px; }
  .lesson-brand .brand-logo { width: 82px; height: 82px; }
  .lesson-brand > span { display: none; }
  .back-home { font-size: 11px; gap: 13px; }
  .lesson-eyebrow { font-size: 11px; }
  header h1 { font-size: 34px; line-height: 1.5; }
  header p { font-size: 13px; }
  header > a { font-size: 12px; }
  .player { border-radius: 0; }
  .lesson-layout { padding-inline: 16px; }
  .lesson-footer { flex-wrap: wrap; gap: 16px; padding-inline: 20px; font-size: 11px; }
  .lesson-footer img { width: 70px; height: 70px; }
  .lesson-footer > a:last-child { flex-basis: 100%; margin-inline-start: 0; }
}