/* EL ORIGEN FaceCount — 屋外イベント運用のための高コントラストUI
   palette:
     --ink:    #171310  深煎りの黒(背景)
     --paper:  #F5EFE6  生成りの白(主文字)
     --roast:  #E39B4B  焙煎アンバー(アクセント/立ち寄り)
     --ember:  #E4573D  計測中インジケータ
     --smoke:  #8C8378  補助文字
*/
:root {
  --ink: #171310;
  --paper: #F5EFE6;
  --roast: #E39B4B;
  --ember: #E4573D;
  --smoke: #8C8378;
}

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

html, body {
  height: 100%;
  background: var(--ink);
  color: var(--paper);
  font-family: -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

.stage {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
}

#preview, #overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
#overlay { pointer-events: none; }

/* ---- HUD(映像上の主表示) ---- */
.hud {
  position: relative;
  padding: max(12px, env(safe-area-inset-top)) 16px 12px;
  background: linear-gradient(to bottom, rgba(23,19,16,.85), rgba(23,19,16,0));
}

.hud-brand {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--roast);
  font-weight: 700;
}
.hud-brand span { color: var(--smoke); font-weight: 400; }

.hud-counts {
  display: flex;
  gap: 28px;
  margin-top: 6px;
}

.count-num {
  font-variant-numeric: tabular-nums;
  font-size: clamp(40px, 9vw, 72px);
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 1px 8px rgba(0,0,0,.6);
}
.count-num--accent { color: var(--roast); }
.count-num--dim { color: var(--smoke); font-size: clamp(28px, 6vw, 48px); align-self: flex-end; }

.count-label {
  font-size: 12px;
  color: var(--paper);
  opacity: .85;
  margin-top: 4px;
  letter-spacing: .06em;
}

.hud-status {
  margin-top: 8px;
  font-size: 13px;
  color: var(--smoke);
}
.hud-status.recording { color: var(--ember); font-weight: 700; }
.hud-status.recording::before {
  content: "●";
  margin-right: 6px;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .3; } }
@media (prefers-reduced-motion: reduce) {
  .hud-status.recording::before { animation: none; }
}

/* ---- 操作列 ---- */
.controls {
  position: relative;
  margin-top: auto;
  display: flex;
  gap: 10px;
  padding: 14px 16px max(14px, env(safe-area-inset-bottom));
  background: linear-gradient(to top, rgba(23,19,16,.9), rgba(23,19,16,0));
}

.controls input {
  flex: 1;
  min-width: 0;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(245,239,230,.25);
  background: rgba(23,19,16,.7);
  color: var(--paper);
  font-size: 16px; /* iOSのズーム防止 */
}

button {
  padding: 14px 20px;
  border-radius: 12px;
  border: none;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}
button:focus-visible, input:focus-visible {
  outline: 2px solid var(--roast);
  outline-offset: 2px;
}
button:disabled { opacity: .45; }

.btn-primary { background: var(--roast); color: var(--ink); }
.btn-primary.running { background: var(--ember); color: var(--paper); }
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(245,239,230,.35);
}

/* ---- 設定ダイアログ ---- */
dialog {
  border: none;
  border-radius: 16px;
  background: var(--ink);
  color: var(--paper);
  width: min(440px, calc(100vw - 32px));
  padding: 0;
}
dialog::backdrop { background: rgba(0,0,0,.6); }

.settings { padding: 20px; display: grid; gap: 14px; }
.settings h2 { font-size: 16px; letter-spacing: .06em; }
.settings label { display: grid; gap: 6px; font-size: 13px; color: var(--smoke); }
.settings input {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(245,239,230,.25);
  background: rgba(245,239,230,.06);
  color: var(--paper);
  font-size: 16px;
}
.settings-note { font-size: 12px; color: var(--smoke); line-height: 1.7; }
.settings-actions { display: flex; justify-content: flex-end; }