/* Active global visual source. Chapter CSS retains only its specialised layouts. */
:root {
  --ui-ink:#14332f; --ui-ink-deep:#102724; --ui-ivory:#f3ead5;
  --ui-muted:#c9cdbf; --ui-gold:#c8b583; --ui-blue-gray:#9bb6b4;
  --ui-warm-dark:#292722; --ui-paper:#eee7d5; --ui-paper-text:#243e37;
  --ui-accent:#b89a75; --ui-accent-soft:#b89a7526; --ui-stamp:#aa6c59;
  --ui-panel:linear-gradient(125deg,#203c34f5,#142d2af5); --ui-surface:#14332fee;
  --ui-backdrop:#102b27a8; --ui-line:#c8b5838f; --ui-focus:#b6d8d3;
  --ui-shadow:0 10px 32px #10221b66; --ui-glow:0 0 16px #c8b58330;
  --ui-inset:inset 0 0 0 4px #c8b58312;
  --ui-radius:3px; --ui-border:1px; --ui-space-1:4px; --ui-space-2:8px;
  --ui-space-3:12px; --ui-space-4:20px; --ui-space-5:32px;
  --ui-font-title:'Noto Serif TC','Source Han Serif TC','PMingLiU',serif;
  --ui-font-body:'Noto Sans TC','Microsoft JhengHei','PingFang TC',sans-serif;
  --ui-h1:clamp(28px,3.5cqw,50px); --ui-h2:clamp(23px,2.7cqw,38px);
  --ui-h3:clamp(19px,1.8cqw,27px); --ui-body-large:clamp(20px,2cqw,28px);
  --ui-body:clamp(17px,1.65cqw,23px); --ui-small:clamp(14px,1.25cqw,18px);
  --ui-micro:12px; --ui-leading:1.7; --ui-button-height:48px;
  --ui-modal-width:1080px; --ui-modal-pad:clamp(16px,3cqw,40px);
  --ui-fast:180ms; --ui-enter:250ms; --ui-completion:550ms;
  --ui-z-hud:18; --ui-z-modal:46; --ui-z-story:60; --ui-z-menu:65; --ui-z-confirm:70;
  --prompt-ink:var(--ui-surface); --prompt-paper:var(--ui-ivory);
  --prompt-gold:var(--ui-gold); --prompt-glow:var(--ui-accent-soft);
}
body:has(.lushan-active) {
  --ui-accent:#91b6a5; --ui-accent-soft:#91b6a526; --ui-stamp:#527e72;
  --ui-panel:linear-gradient(125deg,#203e3cf5,#142e32f5);
}