:root { font-family: system-ui, "Noto Sans TC", sans-serif; color: #f7f0e1; background: #151b1f; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
#app { height: 100dvh; min-height: 520px; position: relative; overflow: hidden; }
#viewport { position: absolute; inset: 0; touch-action: none; }
#viewport canvas { display: block; width: 100%; height: 100%; }
#poster { position: absolute; z-index: 20; inset: 0; display: grid; place-items: end start; background: #27343a; }
#poster img { position: absolute; width: 100%; height: 100%; object-fit: cover; object-position: center; }
#poster::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #0b131bd9 0%, #0b131b92 40%, #0000 80%), linear-gradient(0deg, #111a24bb, #0000 45%); }
.poster-home { position: absolute; z-index: 2; top: 18px; right: 22px; padding: 9px 13px; border: 1px solid #e7cd9a; background: #15232bdc; color: #fff4de; font-size: .85rem; text-decoration: none; }
.poster-home:focus-visible, .toolbar-home:focus-visible { outline: 3px solid #f0ce83; outline-offset: 2px; }
.poster-content { position: relative; z-index: 1; max-width: 680px; padding: clamp(20px, 5vw, 66px); }
.poster-content h1 { font-size: clamp(2rem, 5vw, 3.8rem); margin: 0 0 10px; letter-spacing: .08em; }
.poster-content p { max-width: 34em; line-height: 1.7; }
#enter { font-size: 1.05rem; min-height: 46px; padding: 8px 18px; background: #8b563d; border-color: #dfb184; }
#loading-status { min-height: 1.5em; font-size: .9rem; color: #e8dec8; }
.toolbar { position: absolute; z-index: 10; top: 12px; left: 12px; right: 12px; display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 10px 12px; border: 1px solid #a08f72; border-radius: 8px; background: #172126e8; box-shadow: 0 4px 18px #0006; }
.toolbar h1 { margin: 0 16px 0 0; font-size: 1.15rem; white-space: nowrap; }
.toolbar h1 small { display: block; font-size: 0.7rem; font-weight: 400; color: #ddd0b7; }
.toolbar label { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; }
.toolbar-home { color: #ffe0a4; font-size: .8rem; text-underline-offset: 3px; }
button, select { min-height: 36px; border: 1px solid #af9871; border-radius: 5px; background: #2a3838; color: #fff6e7; font: inherit; padding: 5px 9px; }
button { cursor: pointer; }
button:disabled { opacity: 0.45; cursor: default; }
button:focus-visible, select:focus-visible { outline: 3px solid #f0ce83; outline-offset: 2px; }
#info { position: absolute; z-index: 11; right: 16px; bottom: 60px; max-width: min(360px, calc(100vw - 32px)); max-height: 42vh; overflow: auto; padding: 16px; background: #172126f2; border: 1px solid #ac9166; border-radius: 8px; line-height: 1.6; }
#info h2 { margin: 0; font-size: 1.15rem; }
#info h2:focus { outline: 2px solid #f0ce83; outline-offset: 3px; }
#info p { margin: 8px 0; }
#info small { display: block; color: #c9bea8; margin-bottom: 12px; }
#info nav { display: flex; flex-direction: column; gap: 5px; margin: 0 0 12px; }
#info a, #error a { color: #ffe0a4; text-underline-offset: 3px; }
#info a:focus-visible, #error a:focus-visible { outline: 3px solid #f0ce83; outline-offset: 2px; }
.caption { position: absolute; z-index: 10; left: 12px; bottom: 8px; max-width: min(900px, calc(100vw - 24px)); margin: 0; padding: 5px 8px; font-size: 0.73rem; line-height: 1.4; background: #182122d9; border-radius: 4px; }
#error { position: absolute; z-index: 30; inset: auto 15px 70px; background: #332522; border: 1px solid #d2a17d; padding: 18px; border-radius: 7px; }
#error a { color: #ffe0a4; }
@media (max-width: 700px) {
  .poster-home { top: 10px; right: 10px; font-size: .75rem; }
  .poster-content { padding: 20px 16px 65px; }
  .toolbar { top: 6px; left: 6px; right: 6px; gap: 5px; padding: 6px; }
  .toolbar h1 { width: 100%; margin: 0; font-size: 1rem; }
  .toolbar h1 small { display: inline; margin-left: 6px; }
  .toolbar label { font-size: 0.75rem; }
  button, select { min-height: 34px; padding: 4px 6px; font-size: 0.8rem; }
  #info { left: 8px; right: 8px; bottom: 47px; max-width: none; max-height: 31vh; }
  .caption { left: 6px; bottom: 5px; font-size: 0.65rem; }
}