*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0e0d0b;
  --surface: #161410;
  --card: #1c1916;
  --border: #2e2a24;
  --amber: #d4a853;
  --amber-dim: #8a6930;
  --cream: #e8dfc8;
  --muted: #6b6050;
  --danger: #c45c3a;
  --success: #5a8f6a;
  --white: #f5efe0;
}

html,
body {
  height: 100%;
  background: var(--bg);
  color: var(--cream);
  font-family: "DM Mono", monospace;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 180px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.6;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.site-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.site-header .label {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 0.5rem;
}
.site-header h1 {
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
}
.site-header h1 em {
  font-style: italic;
  color: var(--amber);
}

.progress-wrap {
  width: 100%;
  max-width: 640px;
  margin-bottom: 2rem;
}
.progress-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.progress-bar-bg {
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber-dim), var(--amber));
  border-radius: 2px;
  transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0%;
  position: relative;
}
.progress-bar-fill::after {
  content: "";
  position: absolute;
  right: 0;
  top: -2px;
  width: 6px;
  height: 6px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--amber);
}

.chapter-dots {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 0.75rem;
}
.chapter-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  transition:
    background 0.4s,
    transform 0.4s;
}
.chapter-dot.done {
  background: var(--amber-dim);
}
.chapter-dot.active {
  background: var(--amber);
  transform: scale(1.5);
  box-shadow: 0 0 6px var(--amber);
}

.card {
  width: 100%;
  max-width: 640px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--amber-dim),
    transparent
  );
}

#scene {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}
#scene.exit {
  opacity: 0;
  transform: translateY(-12px);
}
#scene.enter {
  opacity: 0;
  transform: translateY(14px);
}

.chapter-tag {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.chapter-tag::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.age-badge {
  display: inline-block;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.2em 0.6em;
  border-radius: 2px;
  margin-bottom: 1rem;
}

#scene-title {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.3rem, 4vw, 1.9rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

#scene-text {
  font-size: 0.82rem;
  line-height: 1.9;
  color: var(--cream);
  opacity: 0.85;
  margin-bottom: 2rem;
  min-height: 80px;
}

.choices {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.choice-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--cream);
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  padding: 1rem 1.25rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition:
    border-color 0.2s,
    background 0.2s,
    transform 0.15s;
  position: relative;
  overflow: hidden;
}
.choice-btn::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(90deg, rgba(212, 168, 83, 0.08), transparent);
  transition: width 0.3s ease;
}
.choice-btn:hover::before {
  width: 100%;
}
.choice-btn:hover {
  border-color: var(--amber-dim);
  transform: translateX(3px);
}
.choice-btn:active {
  transform: translateX(1px) scale(0.99);
}

.choice-letter {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  padding: 0.15em 0.45em;
  border-radius: 2px;
  flex-shrink: 0;
  margin-top: 0.05em;
  letter-spacing: 0.05em;
}
.choice-text {
  line-height: 1.5;
}
.choice-sub {
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.outcome-tag {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.3em 0.8em;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 1.2rem;
}
.outcome-tag.success {
  background: rgba(90, 143, 106, 0.15);
  color: var(--success);
  border: 1px solid rgba(90, 143, 106, 0.3);
}
.outcome-tag.mixed {
  background: rgba(212, 168, 83, 0.1);
  color: var(--amber);
  border: 1px solid rgba(212, 168, 83, 0.2);
}
.outcome-tag.regret {
  background: rgba(196, 92, 58, 0.1);
  color: var(--danger);
  border: 1px solid rgba(196, 92, 58, 0.2);
}

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.stat-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.9rem 0.75rem;
  text-align: center;
}
.stat-box .stat-val {
  font-family: "Playfair Display", serif;
  font-size: 1.6rem;
  color: var(--amber);
  display: block;
}
.stat-box .stat-label {
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.2rem;
}

.path-trail {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
}
.path-trail-label {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.path-trail-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}
.trail-item {
  font-size: 0.65rem;
  color: var(--cream);
  opacity: 0.6;
}
.trail-arrow {
  color: var(--amber-dim);
  font-size: 0.6rem;
}

.restart-btn {
  width: 100%;
  margin-top: 1.5rem;
  padding: 0.9rem;
  background: transparent;
  border: 1px solid var(--amber-dim);
  border-radius: 3px;
  color: var(--amber);
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition:
    background 0.2s,
    border-color 0.2s;
}
.restart-btn:hover {
  background: rgba(212, 168, 83, 0.07);
  border-color: var(--amber);
}

.history-toggle {
  margin-top: 1rem;
  width: 100%;
  max-width: 640px;
  text-align: center;
}
.history-toggle button {
  background: none;
  border: none;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 0.2s;
}
.history-toggle button:hover {
  color: var(--cream);
}

#history-panel {
  width: 100%;
  max-width: 640px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
  margin-top: 0.5rem;
  display: none;
}
#history-panel.open {
  display: block;
  animation: slideDown 0.25s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.history-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.history-item:last-child {
  border-bottom: none;
}
.history-item .h-num {
  font-size: 0.6rem;
  color: var(--amber-dim);
  width: 1.2rem;
  flex-shrink: 0;
  padding-top: 0.1rem;
}
.history-item .h-text {
  font-size: 0.7rem;
  color: var(--muted);
  line-height: 1.5;
}
.history-item .h-choice {
  font-size: 0.7rem;
  color: var(--cream);
  opacity: 0.7;
}

.typed::after {
  content: "|";
  animation: blink 1s step-end infinite;
  color: var(--amber);
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes cardPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(212, 168, 83, 0.15);
  }
  50% {
    box-shadow: 0 0 30px 6px rgba(212, 168, 83, 0.08);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(212, 168, 83, 0);
  }
}
.card.pulse {
  animation: cardPulse 0.8s ease;
}

@media (max-width: 480px) {
  .card {
    padding: 1.75rem 1.25rem;
  }
  .stat-row {
    grid-template-columns: 1fr 1fr;
  }
}