:root {
  color-scheme: dark;
  --chalk: #201b0a;
  --ink: #f8fafc;
  --muted: rgba(248, 250, 252, 0.72);
  --panel: #131719;
  --panel-soft: rgba(19, 23, 25, 0.72);
  --line: rgba(248, 250, 252, 0.12);
  --turf: #14532d;
  --turf-strong: #166534;
  --ember: #f97316;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--chalk);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.page {
  width: min(1500px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 42px 0 56px;
}

.intro {
  width: min(768px, 100%);
  margin: 0 auto 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--ember);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 64px);
  line-height: 1;
}

.intro p:last-child {
  max-width: 680px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.setup-panel,
.seed-panel {
  width: min(768px, 100%);
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel-soft);
  padding: 16px;
}

.setup-panel {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
}

label span {
  font-size: 14px;
  font-weight: 800;
}

textarea,
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #111517;
  color: var(--ink);
  padding: 12px;
}

textarea {
  min-height: 218px;
  line-height: 1.55;
  resize: vertical;
}

input {
  min-height: 44px;
}

.primary-button {
  background: var(--turf);
  color: white;
}

.primary-button:hover {
  background: var(--turf-strong);
}

.primary-button.small {
  min-height: 40px;
  padding: 0 24px;
}

.error {
  margin: 0;
  border: 1px solid #fca5a5;
  border-radius: 5px;
  background: #7f1d1d;
  color: white;
  padding: 12px;
}

.replay-shell {
  display: grid;
  gap: 18px;
}

.seed-panel {
  display: grid;
  gap: 10px;
}

.seed-panel code {
  display: block;
  overflow-x: auto;
  border-radius: 5px;
  background: #080a0b;
  padding: 11px;
}

.player {
  width: min(1280px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: white;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.controls button {
  min-width: 128px;
  padding: 0 14px;
}

.controls .active {
  border-color: #22c55e;
  background: var(--turf);
}

.sound-on {
  border-color: #fb923c;
  background: #b45309;
}

.timeline {
  display: grid;
  gap: 8px;
}

.timeline input {
  padding: 0;
}

.timeline div {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 14px;
}

.skip-button {
  width: min(560px, 100%);
  margin: 0 auto;
}

.priority {
  display: grid;
  gap: 8px;
}

.priority h2 {
  margin: 0;
  font-size: 22px;
}

#priorityList {
  display: grid;
  gap: 8px;
}

.priority-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: white;
  color: #111827;
  padding: 10px 12px;
  font-size: 14px;
}

.priority-row.hidden {
  background: rgba(255, 255, 255, 0.45);
  color: rgba(248, 250, 252, 0.45);
}

.moment-card {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  margin: 0 auto;
  max-width: 560px;
  border: 2px solid #171717;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.96);
  color: #171717;
  padding: 16px;
  text-align: center;
  box-shadow: 0 18px 48px rgba(23, 23, 23, 0.22);
}

.moment-card.victory {
  bottom: 32px;
  border-color: #facc15;
  padding: 24px;
  animation: winner-pop 700ms cubic-bezier(0.18, 0.85, 0.25, 1.2) both, winner-glow 1600ms ease-in-out infinite alternate;
}

.moment-label {
  margin: 0;
  color: #d97706;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.moment-name {
  margin: 6px 0 0;
  font-size: 28px;
  font-weight: 900;
}

.moment-card.victory .moment-name {
  font-size: clamp(42px, 6vw, 72px);
  text-shadow: 0 3px 0 rgba(234, 179, 8, 0.28);
}

.moment-detail {
  margin: 8px 0 0;
  color: rgba(23, 23, 23, 0.72);
  font-weight: 800;
}

.moment-card button {
  margin-top: 14px;
}

.confetti-layer {
  pointer-events: none;
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 5px;
}

.confetti-layer.active::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0) 52%);
}

.confetti {
  position: absolute;
  top: -28px;
  display: block;
  border-radius: 2px;
  opacity: 0;
  animation-name: confetti-fall;
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(0.2, 0.7, 0.2, 1);
}

@keyframes confetti-fall {
  0% {
    opacity: 0;
    transform: translate3d(0, -12px, 0) rotate(0deg);
  }
  12% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--drift), 890px, 0) rotate(calc(var(--spin) + 720deg));
  }
}

@keyframes winner-pop {
  0% {
    opacity: 0;
    transform: translateY(22px) scale(0.86);
  }
  72% {
    opacity: 1;
    transform: translateY(-2px) scale(1.03);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes winner-glow {
  from {
    box-shadow: 0 18px 48px rgba(23, 23, 23, 0.22), 0 0 0 rgba(234, 179, 8, 0);
  }
  to {
    box-shadow: 0 18px 48px rgba(23, 23, 23, 0.22), 0 0 34px rgba(234, 179, 8, 0.42);
  }
}

@media (max-width: 760px) {
  .page {
    width: min(100vw - 24px, 1500px);
    padding-top: 24px;
  }

  h1 {
    font-size: 40px;
  }

  .controls button {
    min-width: calc(50% - 4px);
  }

  .moment-name,
  .moment-card.victory .moment-name {
    font-size: 32px;
  }
}