/* ===== 小小故事屋 · 移动端优先 ===== */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, #fff5dc 0%, #ffd6e8 50%, #d9f2ff 100%);
  color: #3a2a1a;
  min-height: 100vh;
  line-height: 1.7;
  transition: background 0.4s, color 0.4s;
}
body.dark {
  background: linear-gradient(180deg, #2a1b4a 0%, #1a2a4a 50%, #0f1a2e 100%);
  color: #f0e6d2;
}

.hidden { display: none !important; }

.app {
  max-width: 520px;
  margin: 0 auto;
  padding: 14px 14px 28px;
}

/* --- 顶部 --- */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 4px 16px;
}
.title { display: flex; align-items: center; gap: 8px; }
.title h1 {
  margin: 0; font-size: 22px; letter-spacing: 1px;
  background: linear-gradient(90deg, #ff8a3d, #e654a8);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.title .emoji { font-size: 28px; animation: wobble 3s ease-in-out infinite; }

.icon-btn {
  border: none; background: rgba(255,255,255,0.6);
  width: 40px; height: 40px; border-radius: 50%;
  font-size: 18px; cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}
body.dark .icon-btn { background: rgba(255,255,255,0.1); color: #fff; }

/* --- 搜索 & 分类 --- */
.search-bar { margin-bottom: 12px; }
.search-bar input {
  width: 100%; padding: 12px 16px;
  border: none; border-radius: 20px;
  background: rgba(255,255,255,0.8);
  font-size: 15px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
body.dark .search-bar input { background: rgba(255,255,255,0.1); color: #fff; }

.tabs {
  display: flex; gap: 8px; margin-bottom: 14px;
}
.tab {
  flex: 1; padding: 10px;
  border: 2px solid rgba(255,138,61,0.25);
  background: rgba(255,255,255,0.6);
  border-radius: 16px;
  font-size: 14px; cursor: pointer; font-weight: 600;
  transition: all 0.25s;
  color: #3a2a1a;
}
.tab.active {
  background: linear-gradient(135deg, #ffb347, #ff8a3d);
  color: #fff; border-color: transparent;
  box-shadow: 0 6px 14px rgba(255,138,61,0.35);
}
body.dark .tab { background: rgba(255,255,255,0.08); color: #f0e6d2; border-color: rgba(255,255,255,0.15); }

/* --- 卡片网格 --- */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.card {
  background: #fff;
  border: none; border-radius: 20px;
  padding: 18px 12px;
  cursor: pointer; text-align: center;
  box-shadow: 0 6px 16px rgba(0,0,0,0.07);
  transition: transform 0.2s, box-shadow 0.2s;
  font-family: inherit;
}
.card:active { transform: scale(0.96); }
.card-emoji { font-size: 44px; line-height: 1; margin-bottom: 8px; }
.card-title {
  font-size: 14px; font-weight: 700;
  color: #3a2a1a; margin-bottom: 8px;
  line-height: 1.3;
  min-height: 36px;
}
.card-meta { display: flex; justify-content: center; }
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 11px; font-weight: 600;
}
.badge.habit { background: #fff3e0; color: #e67e22; }
.badge.character { background: #f3e5f5; color: #9c27b0; }

body.dark .card { background: rgba(255,255,255,0.08); }
body.dark .card-title { color: #f0e6d2; }

.empty {
  grid-column: 1 / -1;
  text-align: center; padding: 40px; opacity: 0.7;
}

/* --- 故事详情 --- */
.back-btn {
  background: rgba(255,255,255,0.7);
  border: none; padding: 8px 14px;
  border-radius: 14px; cursor: pointer;
  font-size: 14px; font-weight: 600;
  margin-bottom: 12px; color: #3a2a1a;
  box-shadow: 0 4px 10px rgba(0,0,0,0.06);
}
body.dark .back-btn { background: rgba(255,255,255,0.1); color: #fff; }

.story-card {
  background: #fff;
  border-radius: 24px;
  padding: 22px 18px 18px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.08);
  text-align: center;
}
body.dark .story-card { background: rgba(255,255,255,0.08); }

.story-emoji {
  font-size: 60px; margin-bottom: 10px;
  animation: bounce 2.5s ease-in-out infinite;
}
.story-card h2 {
  margin: 0 0 8px;
  font-size: 20px;
  color: #d35400;
}
body.dark .story-card h2 { color: #ffcc80; }

.story-meta {
  font-size: 12px; color: #888;
  margin-bottom: 14px;
  display: flex; justify-content: center; align-items: center; gap: 6px;
}
.dot { opacity: 0.6; }

.scroll-box {
  background: #fff8e7;
  border-radius: 16px;
  padding: 14px 14px;
  text-align: left;
  max-height: 260px;
  overflow-y: auto;
  margin-bottom: 14px;
}
body.dark .scroll-box { background: rgba(255,255,255,0.06); }

.story-text {
  margin: 0;
  font-size: 17px;
  line-height: 1.9;
  color: #4a3222;
}
body.dark .story-text { color: #f0e6d2; }

.summary-box {
  background: linear-gradient(135deg, #fff3e0, #ffd6e8);
  border-radius: 16px;
  padding: 12px 14px;
  text-align: left;
}
body.dark .summary-box { background: linear-gradient(135deg, #3d2a5a, #2a3d5a); }
.summary-title {
  font-size: 14px; font-weight: 700;
  color: #c0392b; margin-bottom: 4px;
}
body.dark .summary-title { color: #ffcc80; }
.summary-text {
  margin: 0;
  font-size: 15px; font-weight: 600;
  color: #5d3c1e;
}
body.dark .summary-text { color: #ffe0b2; }

/* --- 控制面板 --- */
.controls {
  margin-top: 18px;
  background: #fff;
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.07);
}
body.dark .controls { background: rgba(255,255,255,0.08); }

.slider-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
}
.slider-row label {
  flex: 0 0 38px;
  font-size: 13px; font-weight: 600; color: #666;
}
body.dark .slider-row label { color: #ccc; }
.slider-row input[type="range"] {
  flex: 1;
  -webkit-appearance: none; appearance: none;
  height: 6px; border-radius: 3px;
  background: linear-gradient(90deg, #ffb347, #ff8a3d);
  outline: none;
}
.slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff;
  border: 3px solid #ff8a3d;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.slider-row input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: #fff;
  border: 3px solid #ff8a3d;
  cursor: pointer;
}
.slider-row span {
  flex: 0 0 36px; text-align: right;
  font-size: 13px; font-weight: 700; color: #e67e22;
}
body.dark .slider-row span { color: #ffcc80; }

.btn-row {
  display: flex; gap: 10px; margin-top: 12px;
}
.ctrl-btn {
  flex: 1; padding: 14px 8px;
  border: none; border-radius: 16px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  background: #f5f5f5; color: #3a2a1a;
  box-shadow: 0 4px 10px rgba(0,0,0,0.06);
  transition: transform 0.15s;
}
.ctrl-btn.primary {
  background: linear-gradient(135deg, #ffb347, #ff6b9d);
  color: #fff; flex: 2;
  box-shadow: 0 6px 16px rgba(255,107,157,0.4);
}
.ctrl-btn:active { transform: scale(0.96); }
body.dark .ctrl-btn { background: rgba(255,255,255,0.1); color: #fff; }

.auto-btn {
  width: 100%; margin-top: 10px;
  padding: 12px; border: none; border-radius: 14px;
  background: #e8f5e9; color: #2e7d32;
  font-size: 14px; font-weight: 700; cursor: pointer;
}
body.dark .auto-btn { background: rgba(46,125,50,0.25); color: #a5d6a7; }

.foot {
  text-align: center; margin-top: 24px; opacity: 0.6;
  font-size: 12px;
}

/* --- 动画 --- */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes wobble {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-8deg); }
  75% { transform: rotate(8deg); }
}

/* 小屏优化 */
@media (max-width: 340px) {
  .grid { grid-template-columns: 1fr; }
  .card-title { min-height: auto; }
}