:root {
  --ink: #f4e7cd;
  --ink-dim: #cdb894;
  --gold: #d9a441;
  --gold-hi: #f2c76b;
  --panel: rgba(22, 13, 7, 0.74);
  --line: rgba(217, 164, 65, 0.28);
  --serif: 'Cormorant Garamond', 'Iowan Old Style', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #0b0604;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
}

#stage {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  cursor: crosshair;
}

#video { display: none; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.intro {
  position: fixed;
  left: max(16px, 4vw);
  top: 50%;
  transform: translateY(-50%);
  width: min(420px, calc(100vw - 32px));
  padding: 28px 28px 22px;
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.intro.gone {
  opacity: 0;
  transform: translate(-24px, -50%);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
}

h1 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 38px;
  line-height: 1.02;
  color: #fbeed3;
}

.lede {
  margin: 0 0 18px;
  color: var(--ink-dim);
  line-height: 1.5;
}

.howto {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 9px;
}
.howto li {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 10px;
  line-height: 1.4;
  color: var(--ink);
}
.howto .k {
  color: var(--gold-hi);
  font-weight: 600;
  font-size: 12px;
  padding-top: 1px;
}

.actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 235, 200, 0.05);
  color: var(--ink);
  font: 600 14px/1 var(--sans);
  padding: 12px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.1s;
}
.btn:hover { background: rgba(255, 235, 200, 0.1); border-color: rgba(217, 164, 65, 0.55); }
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: linear-gradient(180deg, #e7b556, #b9822c);
  border-color: #f0c979;
  color: #2a1606;
}
.btn.primary:hover { background: linear-gradient(180deg, #f0c266, #c48d34); }
.btn:disabled { opacity: 0.6; cursor: progress; }

.status-line {
  min-height: 1.2em;
  margin: 14px 0 0;
  color: var(--ink-dim);
  font-size: 13px;
}
.status-line.err { color: #ffb39a; }

.hud {
  position: fixed;
  left: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  pointer-events: none;
  transition: opacity 0.3s;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 500;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8a7a60;
}
.pill.live .dot { background: #8fdc7a; box-shadow: 0 0 8px #8fdc7a; }
.pill.warn .dot { background: #f0b24a; box-shadow: 0 0 8px #f0b24a; }

.keys {
  margin: 0;
  color: rgba(244, 231, 205, 0.7);
  font-size: 12px;
  text-shadow: 0 1px 3px #000;
}
kbd {
  display: inline-block;
  min-width: 18px;
  padding: 1px 5px;
  margin: 0 3px 0 8px;
  border: 1px solid rgba(244, 231, 205, 0.35);
  border-radius: 4px;
  font: 600 11px/1.4 var(--sans);
  text-align: center;
}
kbd:first-child { margin-left: 0; }

.icon-btn {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  transition: opacity 0.3s;
}
.icon-btn:hover { border-color: rgba(217, 164, 65, 0.6); }
.sound-btn { right: 62px; }
.sound-btn .off,
.sound-btn[aria-pressed='true'] .on { display: none; }
.sound-btn[aria-pressed='true'] .off { display: block; }

.settings {
  position: fixed;
  top: 62px;
  right: 16px;
  width: min(290px, calc(100vw - 32px));
  padding: 16px 18px;
  display: grid;
  gap: 12px;
}
.settings h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
}
.settings label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-dim);
}
.settings label.row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
}
.settings select,
.settings input[type='range'] {
  width: 100%;
  accent-color: var(--gold);
}
.settings select {
  background: rgba(255, 235, 200, 0.06);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 8px;
  font: 13px var(--sans);
}
.settings select option { background: #1e120a; }
.settings input[type='checkbox'] { accent-color: var(--gold); }

#preview-box {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: min(240px, 38vw);
  transition: opacity 0.3s;
}
#preview {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  background: #000;
}
.popout-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s, border-color 0.2s;
}
#preview-box:hover .popout-btn,
.popout-btn:focus-visible { opacity: 1; }
.popout-btn:hover { border-color: rgba(217, 164, 65, 0.6); }

.btn.small { padding: 9px 14px; font-size: 13px; }

.toast {
  position: fixed;
  top: 22px;
  left: 50%;
  transform: translate(-50%, -8px);
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line);
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  font-weight: 600;
  color: var(--gold-hi);
  letter-spacing: 0.02em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
body.ui-hidden .toast { opacity: 0; }

.error {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 20px 24px;
  max-width: min(480px, calc(100vw - 32px));
  line-height: 1.5;
}

body.ui-hidden .hud,
body.ui-hidden .icon-btn,
body.ui-hidden #preview-box,
body.ui-hidden .settings { opacity: 0; pointer-events: none; }

@media (max-width: 640px) {
  .intro { top: auto; bottom: 16px; transform: none; padding: 20px; }
  .intro.gone { transform: translateY(24px); }
  h1 { font-size: 30px; }
  .howto li { grid-template-columns: 96px 1fr; }
  .keys { display: none; }
}