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

html, body, #app {
  height: 100%;
  overflow: hidden;
  font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  background: #10141c;
  color: #e8e6df;
  touch-action: none;
}

#app { display: flex; flex-direction: column; }

#topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  background: rgba(12, 15, 22, .92);
  border-bottom: 1px solid #2a3245;
  z-index: 5;
  flex-wrap: wrap;
}

#topbar h1 { font-size: 18px; letter-spacing: 2px; color: #d9b878; }

#status {
  flex: 1;
  font-size: 15px;
  min-width: 120px;
}

#controls { display: flex; gap: 8px; }

button {
  font: inherit;
  color: #e8e6df;
  background: #232b3d;
  border: 1px solid #3a4560;
  border-radius: 8px;
  padding: 6px 14px;
  cursor: pointer;
  transition: background .15s;
}
button:hover { background: #2e3a55; }
button:disabled { opacity: .4; cursor: default; }
button.primary { background: #b8873a; border-color: #d9b878; color: #16120a; font-weight: 700; }
button.primary:hover { background: #d9a44a; }
button.mini { padding: 2px 10px; font-size: 12px; align-self: flex-start; }

#stage { position: relative; flex: 1; }

#scene { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
#scene.dragging { cursor: grabbing; }

#hint {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: rgba(232, 230, 223, .55);
  background: rgba(12, 15, 22, .55);
  padding: 4px 12px;
  border-radius: 12px;
  pointer-events: none;
  white-space: nowrap;
}

/* modal */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(5, 7, 12, .6);
  backdrop-filter: blur(3px);
  z-index: 10;
  padding: 16px;
}
.modal.show { display: flex; }

.panel {
  width: min(92vw, 360px);
  max-height: 86vh;
  overflow-y: auto;
  background: #171d2b;
  border: 1px solid #3a4560;
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .55);
}
.panel.wide { width: min(94vw, 520px); }
.panel h2 { font-size: 20px; color: #d9b878; }
.panel p { font-size: 14px; color: #b9c0d0; }

.field { display: flex; flex-direction: column; gap: 8px; }
.field .label { font-size: 13px; color: #8f9ab3; }

.seg { display: flex; gap: 8px; }
.seg button { flex: 1; }
.seg button.on { background: #b8873a; border-color: #d9b878; color: #16120a; font-weight: 700; }

input[type=text] {
  font: inherit;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid #3a4560;
  background: #10141c;
  color: #e8e6df;
  outline: none;
}
input[type=text]:focus { border-color: #d9b878; }

#sig-pad {
  width: 100%;
  height: 100px;
  background: #f5f1e6;
  border-radius: 8px;
  touch-action: none;
  cursor: crosshair;
}

.row { display: flex; gap: 10px; justify-content: flex-end; }

/* 排行榜 */
#rank-list { display: flex; flex-direction: column; gap: 8px; max-height: 52vh; overflow-y: auto; }
.rank-item {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 4px 10px;
  align-items: center;
  background: #10141c;
  border: 1px solid #2a3245;
  border-radius: 10px;
  padding: 8px 12px;
}
.rank-item .no { font-size: 16px; font-weight: 700; color: #d9b878; }
.rank-item .who { font-size: 15px; }
.rank-item .meta { grid-column: 2 / 4; font-size: 12px; color: #8f9ab3; }
.rank-item svg { width: 96px; height: 32px; background: #f5f1e6; border-radius: 6px; }
.rank-empty { text-align: center; color: #8f9ab3; padding: 24px 0; }

/* 觀戰控制 */
#auto-ctrl { display: none; align-items: center; gap: 8px; }
#auto-ctrl.show { display: inline-flex; }
#rewind-badge {
  font-size: 12px;
  color: #ffd166;
  background: rgba(255, 209, 102, .12);
  border: 1px solid rgba(255, 209, 102, .4);
  border-radius: 10px;
  padding: 3px 10px;
  white-space: nowrap;
}

/* 時間倒轉閃光 */
#flash {
  position: fixed;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s;
  z-index: 20;
}
#flash.on { opacity: .9; }

/* 致敬字幕 */
#meme {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 15;
  background: rgba(5, 7, 12, .35);
}
#meme.show { display: flex; }
.meme-inner { text-align: center; display: flex; flex-direction: column; gap: 14px; padding: 16px; }
.meme-line1 {
  font-size: clamp(40px, 9vw, 84px);
  font-weight: 900;
  letter-spacing: 6px;
  color: #ffd166;
  text-shadow: 0 0 24px rgba(255, 140, 40, .9), 0 4px 10px rgba(0, 0, 0, .8);
  animation: meme-pop .5s cubic-bezier(.2, 1.6, .4, 1) both;
}
.meme-line2 {
  font-size: clamp(22px, 4.5vw, 40px);
  font-weight: 700;
  letter-spacing: 4px;
  color: #fff;
  text-shadow: 0 3px 8px rgba(0, 0, 0, .8);
  animation: meme-pop .5s .35s cubic-bezier(.2, 1.6, .4, 1) both;
}
.meme-sub { font-size: 14px; color: #e8e6df; opacity: .85; animation: meme-fade .6s .8s both; }
#meme .row { animation: meme-fade .6s 1.2s both; }
@keyframes meme-pop { from { opacity: 0; transform: scale(2.2); } to { opacity: 1; transform: scale(1); } }
@keyframes meme-fade { from { opacity: 0; } to { opacity: 1; } }

/* 開場動畫標題 */
#intro-title {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  pointer-events: none;
  text-align: center;
}
#intro-title.show { display: flex; }
#intro-title span {
  font-size: clamp(36px, 8vw, 72px);
  font-weight: 900;
  letter-spacing: 14px;
  color: #e8e6df;
  text-shadow: 0 0 30px rgba(255, 160, 60, .55), 0 4px 12px rgba(0, 0, 0, .9);
  animation: intro-in 2.2s .8s both;
}
#intro-title small { font-size: 13px; color: rgba(232, 230, 223, .6); animation: meme-fade 1s 1.6s both; }
@keyframes intro-in { from { opacity: 0; letter-spacing: 34px; } to { opacity: 1; letter-spacing: 14px; } }

@media (max-width: 480px) {
  #topbar h1 { font-size: 15px; letter-spacing: 1px; }
  #controls button { padding: 5px 10px; font-size: 13px; }
  #hint { font-size: 11px; }
}