:root {
  --bg: #0f1117;
  --panel: #181c25;
  --panel-2: #1f2430;
  --line: #2a3040;
  --text: #d7dce6;
  --dim: #8a93a6;
  --accent: #ffb454;
  --good: #6fd48c;
  --bad: #ff6b6b;
  --blue: #6ea8ff;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

#app { max-width: 720px; margin: 0 auto; min-height: 100vh; }
.screen { display: flex; flex-direction: column; min-height: 100vh; }
.screen[hidden] { display: none; }  /* [hidden] 被上面的 display 覆盖，必须显式补回 */

/* ---------- 开始界面 ---------- */
#start-screen {
  justify-content: center;
  align-items: center;
  padding: 24px;
}
.start-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  width: 100%;
  max-width: 520px;
}
.start-emoji { font-size: 64px; margin-bottom: 8px; }
.start-card h1 { font-size: 28px; letter-spacing: 2px; }
.tagline { color: var(--accent); margin: 8px 0 16px; font-size: 14px; }
.intro-text { color: var(--dim); font-size: 14px; margin-bottom: 24px; }
.start-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hint { margin-top: 16px; color: var(--dim); font-size: 12px; }

/* ---------- 按钮 ---------- */
.btn {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 14px;
  cursor: pointer;
  transition: transform .08s, border-color .15s, background .15s;
  font-family: inherit;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1408;
  font-weight: 700;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-mini { padding: 4px 10px; font-size: 14px; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }

/* ---------- 游戏界面 ---------- */
#game-screen {
  height: 100vh;
  height: 100dvh; /* 移动端地址栏 */
  overflow: hidden; /* 状态栏/场景图/选项栏钉死视口，仅日志内部滚动 */
  padding-bottom: 12px;
}
#status-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 17, 23, .92);
  backdrop-filter: blur(6px);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.pill {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 13px;
  white-space: nowrap;
}
.pill b { color: var(--accent); font-variant-numeric: tabular-nums; }
.pill.warn b { color: var(--bad); }
.pill.warn.danger { border-color: var(--bad); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .55; } }
#pill-stage { border-color: var(--blue); color: var(--blue); }
#pill-funds.negative b { color: var(--bad); }

/* ---------- 阶段场景图 ---------- */
.scene-img {
  width: 100%;
  display: block;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

/* ---------- 日志区 ---------- */
#log {
  flex: 1;
  min-height: 0; /* flex 子项溢出滚动的必要条件 */
  padding: 14px 14px 6px;
  overflow-y: auto;
  scroll-behavior: smooth;
}
.log-day {
  margin: 18px 0 8px;
  padding: 6px 12px;
  background: var(--panel-2);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  font-size: 14px;
  color: var(--dim);
}
.log-line { padding: 4px 4px 4px 2px; font-size: 14.5px; word-break: break-word; }
.log-line.event { color: var(--text); }
.log-line.event .ev-title { color: var(--accent); font-weight: 700; }
.log-line.effect { color: var(--dim); font-size: 13px; padding-left: 18px; font-variant-numeric: tabular-nums; }
.log-line.bad { color: var(--bad); }
.log-line.good { color: var(--good); }
.log-line.scene {
  margin: 12px 0;
  padding: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  text-align: center;
  color: var(--blue);
}
.log-line .current { color: var(--accent); }

/* ---------- 选择区 ---------- */
#choices {
  position: sticky;
  bottom: 0;
  z-index: 10;
  background: rgba(15, 17, 23, .95);
  backdrop-filter: blur(6px);
  border-top: 1px solid var(--line);
  padding: 10px 12px 14px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}
#choices .choice-title {
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 2px;
}
.act-btn { text-align: left; padding: 8px 12px; }
.act-btn .act-name { font-weight: 700; font-size: 14px; }
.act-btn .act-desc { color: var(--dim); font-size: 12px; margin-top: 2px; }
.ev-choice { border-color: var(--accent); }

/* ---------- 结局界面 ---------- */
#end-screen { justify-content: center; align-items: center; padding: 24px; }
.end-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
  width: 100%;
  max-width: 520px;
}
.end-img {
  width: 100%;
  max-width: 360px;
  border-radius: 10px;
  border: 1px solid var(--line);
  margin-bottom: 16px;
}
.end-card h1 { font-size: 26px; letter-spacing: 1px; }
#end-emoji { font-size: 40px; margin: 8px 0; }
.end-desc { color: var(--dim); font-size: 14px; margin-bottom: 20px; text-align: left; }
.end-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 24px;
}
.end-stats .stat {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
}
.end-stats .stat b { color: var(--accent); font-variant-numeric: tabular-nums; }

@media (max-width: 480px) {
  #choices { grid-template-columns: 1fr 1fr; }
  .pill { font-size: 12px; padding: 2px 8px; }
}