:root {
  --primary-dark: #2C1B3D;
  --primary: #4A2C5A;
  --primary-light: #E8C48A;
  --accent: #E07A1A;
  --accent2: #8B2E2E;
  --success: #3BB273;
  --bg-light: #F7F1E8;
  --bg-white: #FFFFFF;
  --text-dark: #1A1A2E;
  --text-medium: #4A4A4A;
  --room1: #2C1B3D;
  --room2: #E07A1A;
  --room3: #3BB273;
  --room4: #8B2E2E;
}

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background: linear-gradient(160deg, var(--bg-light), #e8eef3 50%, var(--primary-light));
  color: var(--text-dark);
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: var(--primary); }
.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}
.hero {
  background: var(--primary-dark);
  color: var(--bg-white);
  border-radius: 0 0 1.25rem 1.25rem;
  padding: 1.75rem 1.25rem 1.5rem;
  text-align: center;
  margin: -1.25rem -1rem 1.25rem;
}
.hero h1 { margin: 0.35rem 0; font-size: 1.55rem; }
.hero .tagline { color: var(--primary-light); white-space: pre-line; }
.badge {
  display: inline-block;
  background: var(--accent);
  color: var(--bg-white);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}
.card {
  background: var(--bg-white);
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: 0 8px 24px rgba(26, 26, 46, 0.08);
  margin-bottom: 1rem;
}
.card.enter {
  animation: enter 0.28s ease-out;
}
@keyframes enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.room-banner {
  color: var(--bg-white);
  border-radius: 1rem;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.room-banner h2 { margin: 0.2rem 0; }
.room-scene, .celebrate-scene, .final-scene {
  margin: 0 0 1rem;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(26, 26, 46, 0.1);
  max-width: 100%;
  width: 100%;
}
.challenge-clip {
  margin: 0 0 1rem;
  border-radius: 1rem;
  overflow: hidden;
  max-width: 100%;
}
.challenge-clip video, .challenge-clip img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 280px;
  object-fit: cover;
  background: #111;
}
.room-scene img, .celebrate-scene img, .final-scene img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 220px;
  object-fit: cover;
  object-position: center;
}
.celebrate-scene {
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}
.celebrate-scene img { max-height: 200px; }
.final-scene {
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.final-scene img { max-height: 200px; }
/* Force a square playback box — some Grok exports ship a bad tkhd matrix */
.celebrate-scene video, .final-scene video {
  display: block;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  max-height: 280px;
  object-fit: cover;
  object-position: center;
  background: #0f172a;
}
[data-final-win] {
  text-align: center;
  overflow: hidden;
}
.celebrate-scene[hidden] { display: none !important; }
.lock-panel.success .celebrate-scene:not([hidden]),
.final-beat.success .final-scene {
  animation: enter 0.35s ease-out;
}
@media (prefers-reduced-motion: reduce) {
  .lock-panel.success .celebrate-scene:not([hidden]),
  .final-beat.success .final-scene { animation: none; }
}
.progress {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin: 0.75rem 0 0;
}
.progress .dot {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: 2px solid rgba(255,255,255,0.7);
  transition: background 0.2s, transform 0.2s;
}
.progress .dot.filled { background: var(--accent); transform: scale(1.1); }
.progress .dot.current { box-shadow: 0 0 0 3px rgba(241, 143, 1, 0.45); }
.choices { display: grid; gap: 0.65rem; margin-top: 1rem; }
.choice {
  appearance: none;
  border: 2px solid transparent;
  border-radius: 0.75rem;
  padding: 0.85rem 1rem;
  text-align: left;
  font: inherit;
  color: var(--bg-white);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s;
}
.choice:nth-child(1) { background: var(--room1); }
.choice:nth-child(2) { background: var(--room2); }
.choice:nth-child(3) { background: var(--room3); }
.choice:nth-child(4) { background: var(--accent2); }
.choice:hover { filter: brightness(1.05); }
.choice.selected {
  transform: scale(1.03);
  box-shadow: 0 0 0 3px var(--accent);
  border-color: var(--bg-white);
}
.nav {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  background: var(--primary);
  color: var(--bg-white);
  text-decoration: none;
  border: none;
  border-radius: 0.65rem;
  padding: 0.7rem 1.1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.btn.accent { background: var(--accent); }
.btn.success { background: var(--success); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.muted { color: var(--text-medium); }
.lock-panel {
  text-align: center;
  padding: 1.5rem 1rem;
}
.lock-icon {
  font-size: 3rem;
  line-height: 1;
  display: inline-block;
  transition: transform 0.4s ease;
}
.lock-panel.success .lock-icon { transform: rotate(-20deg) scale(1.1); }
.lock-panel.fail {
  animation: shake 0.4s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}
.msg { min-height: 1.5rem; margin: 0.75rem 0; font-weight: 700; }
.msg.ok { color: var(--success); }
.msg.bad { color: var(--accent2); }
.room-code {
  font-size: 2rem;
  letter-spacing: 0.2em;
  font-weight: 800;
  color: var(--accent);
  margin: 0.5rem 0 1rem;
  opacity: 0;
}
.lock-panel.success .room-code {
  animation: countin 0.6s ease forwards;
}
@keyframes countin {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}
.confetti {
  pointer-events: none;
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 20;
}
.confetti i {
  position: absolute;
  top: -10px;
  width: 8px;
  height: 12px;
  opacity: 0;
  animation: fall 1s ease-out forwards;
}
@keyframes fall {
  0% { opacity: 1; transform: translateY(0) rotate(0); }
  100% { opacity: 0; transform: translateY(100vh) rotate(540deg); }
}
.continue-wrap { display: none; margin-top: 1rem; }
.lock-panel.success .continue-wrap { display: block; }
.final-beat.success .card { animation: enter 0.5s ease; }
.how-to li { margin: 0.45rem 0; }
.meta { font-size: 0.85rem; color: var(--text-medium); margin-bottom: 0.5rem; }
@media (prefers-reduced-motion: reduce) {
  .card.enter, .lock-panel.fail, .lock-panel.success .room-code,
  .final-beat.success .card, .confetti i { animation: none !important; }
  .choice.selected { transform: none; }
  .lock-panel.success .room-code { opacity: 1; }
}

body.scene-overlay {
  background: #111;
  min-height: 100vh;
}
body.scene-overlay .scene-bg {
  position: fixed;
  inset: 0;
  background-size: cover;
  background-position: left center;
  background-repeat: no-repeat;
  z-index: 0;
}
body.scene-overlay .scene-pane {
  position: relative;
  z-index: 1;
  margin: 1.25rem 1.5rem 1.25rem auto;
  width: min(26rem, 34vw);
  max-height: calc(100vh - 2.5rem);
  overflow: auto;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 1rem;
  padding: 1.1rem 1.15rem 1.2rem;
  box-shadow: 0 12px 36px rgba(26, 26, 46, 0.28);
}
body.scene-overlay .scene-pane .room-banner { margin-bottom: 0.75rem; }
body.scene-overlay .scene-pane .nav { margin-top: 1rem; }
@media (max-width: 899px) {
  body.scene-overlay .scene-bg { background-position: center top; }
  body.scene-overlay .scene-pane {
    width: auto;
    margin: 42vh 1rem 1.25rem;
    max-height: none;
  }
}