:root {
  --bg: #f6efe5;
  --bg-deep: #e3d1bd;
  --panel: #fff7ec;
  --ink: #1b1612;
  --muted: #5b4f45;
  --accent: #e8572a;
  --accent-dark: #c5441f;
  --glow: rgba(232, 87, 42, 0.35);
  --shadow: rgba(22, 16, 12, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  min-height: 100vh;
  background: radial-gradient(circle at top left, #fff3df 0%, var(--bg) 55%, var(--bg-deep) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem 3.5rem;
  position: relative;
  overflow-x: hidden;
}

.glow {
  position: absolute;
  inset: -40vh -20vw auto auto;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow) 0%, rgba(232, 87, 42, 0) 70%);
  filter: blur(10px);
  animation: drift 12s ease-in-out infinite;
  pointer-events: none;
}

.grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 300 300' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23grain)' opacity='0.08'/%3E%3C/svg%3E");
  opacity: 0.25;
  pointer-events: none;
}

.shell {
  width: min(1100px, 100%);
  display: grid;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  animation: rise 0.8s ease forwards;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.7rem;
  margin: 0 0 0.4rem;
  color: var(--accent-dark);
}

h1 {
  font-family: "Bodoni MT", "Times New Roman", serif;
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  margin: 0 0 0.4rem;
}

.lead {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.scoreboard {
  display: grid;
  grid-auto-flow: column;
  gap: 1.2rem;
  padding: 1rem 1.4rem;
  background: var(--panel);
  border-radius: 999px;
  box-shadow: 0 12px 30px var(--shadow);
  text-align: center;
}

.score-label {
  display: block;
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.score {
  font-size: 1.7rem;
  font-weight: 700;
}

.arena {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.panel {
  background: var(--panel);
  border-radius: 18px;
  padding: 1.6rem;
  box-shadow: 0 20px 40px var(--shadow);
  border: 1px solid rgba(27, 22, 18, 0.08);
  display: grid;
  gap: 1.2rem;
  animation: rise 0.8s ease forwards;
}

.panel:nth-child(2) {
  animation-delay: 0.1s;
}

.panel:nth-child(3) {
  animation-delay: 0.2s;
}

.panel-head h2 {
  margin: 0 0 0.3rem;
  font-size: 1.2rem;
}

.panel-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.choice-grid {
  display: grid;
  gap: 0.75rem;
}

.choice {
  border: none;
  padding: 0.9rem 1.2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 14px;
  background: linear-gradient(120deg, #fdf5eb 0%, #f7dac4 100%);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 12px 20px rgba(232, 87, 42, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.choice:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 24px rgba(232, 87, 42, 0.25);
}

.choice.selected {
  outline: 2px solid var(--accent);
}

.ai-card {
  background: #fff3e3;
  border-radius: 16px;
  padding: 1rem 1.2rem;
  display: grid;
  gap: 0.9rem;
  border: 1px dashed rgba(232, 87, 42, 0.4);
}

.ai-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ai-row h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.ai-row p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.pill {
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: rgba(232, 87, 42, 0.15);
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.webcam-block {
  display: grid;
  gap: 0.7rem;
}

.webcam-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.webcam-frame {
  min-height: 180px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(27, 22, 18, 0.1);
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.9rem;
}

.webcam-frame canvas {
  width: 100%;
  height: auto;
  display: block;
}

.labels {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

button {
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.2rem;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 20px rgba(232, 87, 42, 0.3);
}

button.secondary {
  background: #fff;
  color: var(--accent-dark);
  border: 1px solid rgba(232, 87, 42, 0.4);
  box-shadow: none;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

button:hover:not(:disabled) {
  transform: translateY(-2px);
}

.center {
  text-align: center;
}

.versus {
  display: grid;
  gap: 1.2rem;
  align-items: center;
}

.choice-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.8rem;
}

.choice-card {
  background: #fff;
  border-radius: 12px;
  border: 1px solid rgba(27, 22, 18, 0.1);
  padding: 0.75rem;
  display: grid;
  gap: 0.45rem;
  justify-items: center;
}

.choice-card img {
  width: 110px;
  height: 110px;
  object-fit: contain;
  border-radius: 10px;
  background: #f6efe5;
}

.choice-caption {
  font-weight: 600;
  color: var(--accent-dark);
}

.label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.choice-display {
  font-size: 1.4rem;
  font-weight: 700;
}

.vs {
  font-weight: 700;
  color: var(--accent-dark);
  letter-spacing: 0.2em;
}

.result {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-dark);
}

.rounds {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  font-weight: 700;
  color: var(--accent-dark);
}

.round-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.round-value {
  font-size: 1.4rem;
}

.round-total {
  color: var(--muted);
}

.timer {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.history {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.history li {
  background: #fff;
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  border: 1px solid rgba(27, 22, 18, 0.1);
  font-size: 0.9rem;
}

.note {
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(-40px, 30px, 0) scale(1.05);
  }
}

@media (max-width: 768px) {
  body {
    padding: 2rem 1rem 3rem;
  }

  .scoreboard {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    flex-direction: column;
    align-items: flex-start;
  }
}