/* ==================== 全局重置 ==================== */
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  color: #2d2d2d;
  background: #f5f5f7;
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* ==================== App 容器 ==================== */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 480px;
  margin: 0 auto;
  background: #fff;
  box-shadow: 0 0 24px rgba(0,0,0,0.06);
  position: relative;
}

/* ==================== Header ==================== */
.header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(255,107,107,0.25);
  z-index: 10;
}
.title { font-size: 18px; font-weight: 700; }
.subtitle { font-size: 12px; opacity: 0.9; margin-top: 2px; }
.header-left { flex: 1; min-width: 0; }
.btn-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  font-size: 18px;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.btn-icon:active { background: rgba(255,255,255,0.35); }

/* ==================== 主内容区 ==================== */
.main {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px;
}
.loading { text-align: center; color: #999; padding: 40px 0; }

/* ==================== Tab 栏 ==================== */
.tabbar {
  flex-shrink: 0;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  background: #fff;
  border-top: 1px solid #eee;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.04);
  z-index: 10;
}
.tab {
  padding: 10px 0;
  font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.15s;
  position: relative;
}
.tab.active::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 3px;
  border-radius: 2px;
  background: #ff6b6b;
}
.tab:active { transform: scale(0.92); }

/* ==================== 通用组件 ==================== */
.section-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #2d2d2d;
  display: flex; align-items: center; gap: 6px;
}
.section-title .badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  background: #fff0f0;
  color: #ff6b6b;
}
.card {
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.card-title {
  font-size: 14px; font-weight: 600; margin-bottom: 8px;
  display: flex; align-items: center; justify-content: space-between;
}
.muted { color: #999; font-size: 12px; }
.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: #f0f0f5;
  color: #666;
  margin-right: 4px;
}
.tag.area { background: #e6f4ff; color: #1677ff; }
.tag.theme { background: #fff0f0; color: #ff6b6b; }
.tag.material { background: #f0f9eb; color: #52c41a; }

/* ==================== 首页：数据卡 ==================== */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.stat-card {
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  text-align: center;
}
.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: #ff6b6b;
  line-height: 1.2;
}
.stat-value.small { font-size: 18px; }
.stat-label {
  font-size: 12px;
  color: #999;
  margin-top: 4px;
}

/* ==================== 趋势图 ==================== */
.trend-wrap {
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.trend-svg { width: 100%; height: 140px; display: block; }
.trend-axis { font-size: 10px; fill: #999; }

/* ==================== 任务列表 ==================== */
.task-item {
  background: #fff;
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  display: flex;
  gap: 10px;
}
.task-check {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border: 2px solid #ddd;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  color: transparent;
  transition: all 0.15s;
}
.task-item.done .task-check {
  background: #52c41a;
  border-color: #52c41a;
  color: #fff;
}
.task-item.done .task-name { text-decoration: line-through; color: #999; }
.task-content { flex: 1; min-width: 0; }
.task-name { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.task-meta { font-size: 12px; color: #666; line-height: 1.5; }
.task-meta b { color: #333; font-weight: 600; }

/* ==================== 主题展示 ==================== */
.theme-hero {
  background: linear-gradient(135deg, #ff6b6b 0%, #ffb84d 100%);
  color: #fff;
  border-radius: 16px;
  padding: 24px 16px;
  text-align: center;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(255,107,107,0.25);
}
.theme-hero .week { font-size: 12px; opacity: 0.9; }
.theme-hero .theme-name { font-size: 28px; font-weight: 700; margin: 8px 0 4px; }
.theme-hero .theme-desc { font-size: 12px; opacity: 0.9; }

.theme-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.theme-pill {
  background: #f5f5f7;
  border-radius: 8px;
  padding: 8px 4px;
  text-align: center;
  font-size: 12px;
  color: #666;
}
.theme-pill.current {
  background: #ff6b6b;
  color: #fff;
  font-weight: 600;
}
.theme-pill .num { display: block; font-size: 10px; opacity: 0.7; margin-bottom: 2px; }

/* ==================== 活动库 ==================== */
.filter-row {
  display: flex; gap: 8px;
  margin-bottom: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.filter-row::-webkit-scrollbar { display: none; }
.chip {
  flex-shrink: 0;
  padding: 6px 12px;
  border-radius: 16px;
  background: #f0f0f5;
  color: #666;
  font-size: 12px;
  white-space: nowrap;
}
.chip.active { background: #ff6b6b; color: #fff; }

.activity-item {
  background: #fff;
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.activity-name { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.activity-meta { font-size: 12px; color: #666; line-height: 1.6; }
.activity-meta .row { margin-top: 4px; }

/* ==================== 里程碑 checklist ==================== */
.milestone-group {
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.milestone-group-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #f0f0f0;
}
.milestone-group-title { font-size: 14px; font-weight: 600; }
.milestone-progress {
  font-size: 11px;
  color: #ff6b6b;
  background: #fff0f0;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}
.milestone-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  align-items: flex-start;
}
.milestone-check {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border: 1.5px solid #ddd;
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  color: transparent;
  transition: all 0.15s;
  margin-top: 1px;
}
.milestone-item.done .milestone-check {
  background: #ff6b6b;
  border-color: #ff6b6b;
  color: #fff;
}
.milestone-item.done .milestone-text { color: #999; }
.milestone-text { font-size: 13px; line-height: 1.5; flex: 1; }

/* ==================== 养育原则 ==================== */
.principle-card {
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 10px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  border-left: 4px solid #52c41a;
}
.principle-card.deny { border-left-color: #ff4d4f; }
.principle-title {
  font-size: 14px; font-weight: 700; margin-bottom: 6px;
  display: flex; align-items: center; gap: 6px;
}
.principle-desc { font-size: 13px; color: #666; line-height: 1.5; }

/* ==================== 教具清单 ==================== */
.toy-group {
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.toy-group-title {
  font-size: 14px; font-weight: 600; margin-bottom: 10px;
  display: flex; align-items: center; justify-content: space-between;
}
.toy-item {
  padding: 8px 0;
  font-size: 13px;
  border-bottom: 1px solid #f5f5f7;
  display: flex; justify-content: space-between; align-items: center;
}
.toy-item:last-child { border-bottom: none; }
.toy-name { color: #333; }
.toy-cost { font-size: 11px; color: #999; }

/* ==================== 英文启蒙 ==================== */
.eng-group {
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.eng-group-title { font-size: 14px; font-weight: 600; margin-bottom: 10px; }
.eng-item {
  padding: 10px;
  border-radius: 8px;
  background: #f9f9fc;
  margin-bottom: 8px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px;
}
.eng-item:last-child { margin-bottom: 0; }
.eng-text { flex: 1; min-width: 0; }
.eng-en { font-size: 14px; font-weight: 600; color: #2d2d2d; }
.eng-zh { font-size: 12px; color: #999; margin-top: 2px; }
.eng-play {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: #ff6b6b;
  color: #fff;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.15s;
}
.eng-play:active { transform: scale(0.9); }
.eng-play.playing { background: #52c41a; }

/* ==================== Toast ==================== */
.toast {
  position: fixed;
  left: 50%; bottom: 80px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s;
  z-index: 1000;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ==================== 空状态 ==================== */
.empty {
  text-align: center;
  padding: 40px 16px;
  color: #999;
  font-size: 13px;
}
.empty .emoji { font-size: 40px; margin-bottom: 8px; }

/* ==================== 兼容 PC ==================== */
@media (min-width: 481px) {
  body { background: #f0f0f5; }
  .app { margin-top: 20px; margin-bottom: 20px; height: calc(100vh - 40px); border-radius: 16px; overflow: hidden; }
}