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

:root {
  --ink: #2b2118;
  --paper: #f5ecd7;
  --paper-dark: #e8dab8;
  --gold: #b98a2f;
  --gold-light: #d4af37;
  --red: #8c2f2f;
  --green: #3d6b4f;
  --shadow: rgba(43, 33, 24, 0.35);
}

body {
  font-family: "STKaiti", "KaiTi", "KaiTi_GB2312", "Noto Serif SC",
    "Songti SC", serif;
  background: radial-gradient(circle at 50% 20%, #3a4a3f 0%, #1f2822 60%, #141a16 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 24px 12px;
  color: var(--ink);
}

#app {
  width: 100%;
  max-width: 820px;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-dark) 100%);
  border-radius: 12px;
  box-shadow: 0 12px 40px var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(185, 138, 47, 0.4);
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 48px);
}

#topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: linear-gradient(90deg, var(--ink) 0%, #4a3623 100%);
  border-bottom: 2px solid var(--gold);
}

#topbar h1 {
  color: var(--gold-light);
  font-size: 1.6rem;
  letter-spacing: 6px;
  text-shadow: 0 0 12px rgba(212, 175, 55, 0.5);
}

#status {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.stat {
  background: rgba(245, 236, 215, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.4);
  color: var(--paper);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

#stage {
  padding: 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

#scene-title {
  font-size: 1.25rem;
  color: var(--red);
  letter-spacing: 3px;
  border-bottom: 1px solid rgba(140, 47, 47, 0.3);
  padding-bottom: 10px;
}

#narrative {
  line-height: 2.1;
  font-size: 1.05rem;
  text-indent: 2em;
  white-space: pre-line;
}

#choices {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.choice-btn {
  text-align: left;
  padding: 14px 20px;
  background: linear-gradient(135deg, rgba(245, 236, 215, 0.6), rgba(232, 218, 184, 0.9));
  border: 1px solid var(--gold);
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.choice-btn:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--paper);
  transform: translateX(6px);
  box-shadow: 0 4px 12px rgba(185, 138, 47, 0.5);
}

.choice-btn.locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.choice-btn.locked:hover {
  transform: none;
  background: linear-gradient(135deg, rgba(245, 236, 215, 0.6), rgba(232, 218, 184, 0.9));
  color: var(--ink);
  box-shadow: none;
}

.flash-msg {
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  border-left: 4px solid;
  animation: fadeIn 0.4s ease;
}

.flash-msg.gain {
  background: rgba(61, 107, 79, 0.12);
  border-left-color: var(--green);
  color: var(--green);
}

.flash-msg.loss {
  background: rgba(140, 47, 47, 0.12);
  border-left-color: var(--red);
  color: var(--red);
}

.flash-msg.info {
  background: rgba(185, 138, 47, 0.12);
  border-left-color: var(--gold);
  color: #7a5a1e;
}

#restart {
  margin-top: 12px;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--red), #b04848);
  color: var(--paper);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 1.1rem;
  letter-spacing: 4px;
  transition: opacity 0.2s;
}

#restart:hover {
  opacity: 0.85;
}

#footer {
  text-align: center;
  padding: 12px;
  font-size: 0.85rem;
  color: rgba(43, 33, 24, 0.6);
  border-top: 1px solid rgba(185, 138, 47, 0.25);
  letter-spacing: 2px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.end-title {
  font-size: 1.5rem;
  color: var(--gold);
  text-align: center;
  letter-spacing: 6px;
  text-shadow: 0 0 8px rgba(212, 175, 55, 0.4);
  padding: 8px 0;
}

@media (max-width: 600px) {
  #stage {
    padding: 18px;
  }
  #topbar {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
}