/* ===== 基础重置与变量 ===== */
:root {
  /* 主色调：深靛蓝 + 暖金色 + 米白 */
  --color-primary: #1e3a5f;
  --color-primary-dark: #152a45;
  --color-primary-light: #2c5282;
  --color-accent: #d4a259;
  --color-accent-light: #e9c47a;
  --color-accent-dark: #b8863d;
  --color-bg: #f8f5f0;
  --color-bg-card: #ffffff;
  --color-text: #2d3748;
  --color-text-secondary: #718096;
  --color-text-light: #a0aec0;
  --color-border: #e2e8f0;
  --color-shadow: rgba(30, 58, 95, 0.08);
  
  /* 健康等级颜色 */
  --color-green: #48bb78;
  --color-green-light: #c6f6d5;
  --color-yellow: #ecc94b;
  --color-yellow-light: #fefcbf;
  --color-orange: #ed8936;
  --color-orange-light: #feebc8;
  --color-red: #f56565;
  --color-red-light: #fed7d7;
  
  /* 尺寸 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  /* 字体 */
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
  font-family: var(--font-main);
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

#app {
  min-height: 100vh;
  max-width: 480px;
  margin: 0 auto;
  background: var(--color-bg);
  position: relative;
  padding-bottom: 60px;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 底部署名 ===== */
.app-footer {
  text-align: center;
  padding: 20px;
  color: var(--color-text-light);
  font-size: 12px;
  letter-spacing: 1px;
  margin-top: auto;
}

/* ===== 首页 ===== */
.hero {
  position: relative;
  padding: 60px 24px 40px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(212, 162, 89, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(212, 162, 89, 0.1) 0%, transparent 35%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.brand-icon {
  font-size: 24px;
  color: var(--color-accent);
}

.brand-name {
  font-size: 14px;
  color: var(--color-accent-light);
  letter-spacing: 2px;
  font-weight: 500;
}

.hero-title {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.hero-slogan {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
  margin-bottom: 20px;
}

.hero-tip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
}

.tip-dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.privacy-tip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}

.privacy-icon {
  font-size: 14px;
}

/* 主内容区 */
.main-content {
  padding: 0 16px;
  margin-top: -16px;
  position: relative;
  z-index: 2;
}

.section {
  margin-bottom: 24px;
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  padding-left: 4px;
}

/* 问卷卡片列表 */
.quiz-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: 0 4px 20px var(--color-shadow);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.quiz-card:active {
  transform: scale(0.98);
  box-shadow: 0 2px 10px var(--color-shadow);
}

.quiz-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-dark));
}

.quiz-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.quiz-card-info {
  flex: 1;
  min-width: 0;
}

.quiz-card-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.quiz-card-sub {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.quiz-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-light);
}

.quiz-card-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.quiz-card-arrow {
  font-size: 20px;
  color: var(--color-text-light);
  flex-shrink: 0;
}

.last-test {
  font-size: 12px;
  color: var(--color-accent-dark);
  font-weight: 500;
}

/* 底部入口卡片 */
.entry-section {
  margin-bottom: 12px;
}

.entry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.entry-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: 0 2px 12px var(--color-shadow);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: transform 0.2s;
}

.entry-card:active {
  transform: scale(0.96);
}

.entry-icon {
  font-size: 24px;
}

.entry-text {
  flex: 1;
  min-width: 0;
}

.entry-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 2px;
}

.entry-sub {
  font-size: 11px;
  color: var(--color-text-secondary);
}

.entry-arrow {
  font-size: 18px;
  color: var(--color-text-light);
}

/* ===== 答题页 ===== */
.page-quiz {
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.quiz-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  padding-top: calc(16px + env(safe-area-inset-top));
  background: var(--color-bg-card);
  box-shadow: 0 2px 8px var(--color-shadow);
  gap: 12px;
}

.back-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-primary);
  background: rgba(30, 58, 95, 0.06);
  transition: background 0.2s;
}

.back-btn:active {
  background: rgba(30, 58, 95, 0.12);
}

.quiz-header-info {
  flex: 1;
}

.quiz-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 2px;
}

.quiz-progress-text {
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* 进度条 */
.progress-bar {
  height: 3px;
  background: var(--color-border);
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(to right, var(--color-accent), var(--color-accent-light));
  border-radius: 0 2px 2px 0;
  transition: width 0.3s ease;
}

/* 题目区 */
.quiz-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 30px 24px;
  position: relative;
}

.question-wrap {
  text-align: center;
  max-width: 320px;
  position: relative;
}

.question-category {
  display: inline-block;
  font-size: 13px;
  color: var(--color-accent-dark);
  background: rgba(212, 162, 89, 0.12);
  padding: 4px 12px;
  border-radius: 12px;
  margin-bottom: 20px;
  font-weight: 500;
}

.question-text {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-primary-dark);
  line-height: 1.7;
  margin-bottom: 24px;
}

.question-number {
  font-size: 60px;
  font-weight: 700;
  color: rgba(30, 58, 95, 0.06);
  position: absolute;
  bottom: -30px;
  right: 50%;
  transform: translateX(50%);
  letter-spacing: -2px;
  pointer-events: none;
}

.swipe-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0.6;
}

.swipe-arrow {
  font-size: 14px;
}

/* 答题按钮 */
.answer-buttons {
  display: flex;
  gap: 16px;
  padding: 20px 24px 30px;
}

.answer-btn {
  flex: 1;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-weight: 600;
  transition: transform 0.15s, box-shadow 0.2s;
  font-size: 16px;
}

.answer-btn:active {
  transform: scale(0.95);
}

.btn-yes {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  box-shadow: 0 4px 16px rgba(30, 58, 95, 0.3);
}

.btn-no {
  background: #fff;
  color: var(--color-text-secondary);
  border: 2px solid var(--color-border);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.btn-icon {
  font-size: 18px;
}

/* ===== 结果页 ===== */
.page-result {
  background: var(--color-bg);
  min-height: 100vh;
}

.result-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  padding-top: calc(16px + env(safe-area-inset-top));
  background: var(--color-bg-card);
  box-shadow: 0 2px 8px var(--color-shadow);
  gap: 12px;
}

.result-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary-dark);
  flex: 1;
  text-align: center;
  margin-right: 36px;
}

.result-main {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 核心结果区 */
.result-hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(30, 58, 95, 0.2);
}

.result-hero::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(212, 162, 89, 0.2), transparent 70%);
  top: -50px;
  right: -50px;
}

.result-score-wrap {
  position: relative;
  z-index: 1;
}

.result-score-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.result-score {
  font-size: 64px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  font-feature-settings: "tnum";
}

.result-total {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
  margin-bottom: 20px;
}

.result-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  padding: 10px 20px;
  border-radius: 24px;
  backdrop-filter: blur(10px);
}

.badge-icon {
  font-size: 20px;
}

.badge-text {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

/* 等级颜色变体 */
.level-green { background: linear-gradient(135deg, #2f855a, #48bb78) !important; }
.level-yellow { background: linear-gradient(135deg, #d69e2e, #ecc94b) !important; }
.level-orange { background: linear-gradient(135deg, #c05621, #ed8936) !important; }
.level-red { background: linear-gradient(135deg, #c53030, #f56565) !important; }

/* 睡眠高亮 */
.sleep-highlight {
  background: linear-gradient(135deg, #e0e7ff, #f0ebff);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  gap: 16px;
  align-items: center;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.sleep-icon {
  font-size: 36px;
  flex-shrink: 0;
}

.sleep-info { flex: 1; }

.sleep-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.sleep-detail {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.sleep-detail span {
  font-weight: 600;
  color: var(--color-primary);
}

.sleep-tip {
  font-size: 12px;
  color: var(--color-accent-dark);
  font-style: italic;
}

/* 卡片通用 */
.result-desc-card,
.category-analysis,
.change-info,
.retest-schedule,
.trend-records,
.chart-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: 0 2px 12px var(--color-shadow);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.result-description {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.8;
}

/* 分类分析 */
.analysis-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  background: rgba(30, 58, 95, 0.06);
  transition: background 0.2s;
}

.analysis-toggle:active {
  background: rgba(30, 58, 95, 0.1);
}

.toggle-arrow {
  font-size: 10px;
  transition: transform 0.3s;
}

.analysis-toggle.open .toggle-arrow {
  transform: rotate(180deg);
}

.category-list {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.category-name {
  width: 80px;
  font-size: 13px;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.category-bar {
  flex: 1;
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.category-fill {
  height: 100%;
  background: linear-gradient(to right, var(--color-accent), var(--color-accent-light));
  border-radius: 4px;
  transition: width 0.6s ease;
}

.category-score {
  width: 50px;
  text-align: right;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  font-feature-settings: "tnum";
}

/* 行动按钮 */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.action-btn {
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.15s;
}

.action-btn:active {
  transform: scale(0.98);
}

.action-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  box-shadow: 0 4px 12px rgba(30, 58, 95, 0.25);
}

.action-secondary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(212, 162, 89, 0.3);
}

.action-outline {
  background: #fff;
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}

/* ===== 测评记录页 ===== */
.page-history {
  background: var(--color-bg);
  min-height: 100vh;
}

.page-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  padding-top: calc(16px + env(safe-area-inset-top));
  background: var(--color-bg-card);
  box-shadow: 0 2px 8px var(--color-shadow);
  gap: 12px;
}

.page-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary-dark);
  flex: 1;
  text-align: center;
  margin-right: 36px;
}

/* 筛选器 */
.filter-bar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  overflow-x: auto;
  background: var(--color-bg);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  flex-shrink: 0;
  padding: 6px 16px;
  border-radius: 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  background: #fff;
  border: 1px solid var(--color-border);
  transition: all 0.2s;
  white-space: nowrap;
}

.filter-chip.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* 记录列表 */
.history-main {
  flex: 1;
  padding: 0 16px 20px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history-item {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 2px 8px var(--color-shadow);
  cursor: pointer;
  transition: transform 0.15s;
}

.history-item:active {
  transform: scale(0.98);
}

.history-quiz-name {
  flex: 1;
}

.history-quiz-name .name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.history-quiz-name .date {
  font-size: 12px;
  color: var(--color-text-light);
}

.history-score {
  text-align: right;
}

.history-score .score-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  font-feature-settings: "tnum";
}

.history-level {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 8px;
  font-weight: 500;
  margin-top: 4px;
  display: inline-block;
}

.level-tag-green { background: var(--color-green-light); color: #276749; }
.level-tag-yellow { background: var(--color-yellow-light); color: #975a16; }
.level-tag-orange { background: var(--color-orange-light); color: #9c4221; }
.level-tag-red { background: var(--color-red-light); color: #c53030; }

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-text {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.empty-sub {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ===== 趋势对比页 ===== */
.trend-main {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.trend-selector {
  margin-bottom: 4px;
}

.trend-select {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #fff;
  font-size: 15px;
  color: var(--color-text);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23718096' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 36px;
}

.chart-card {
  display: flex;
  flex-direction: column;
}

.chart-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.chart-wrap {
  width: 100%;
  position: relative;
}

#trend-chart {
  width: 100%;
  height: auto;
  max-height: 250px;
}

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-green { background: var(--color-green); }
.dot-yellow { background: var(--color-yellow); }
.dot-orange { background: var(--color-orange); }
.dot-red { background: var(--color-red); }

/* 变化说明 */
.change-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.change-icon {
  font-size: 28px;
}

.change-text {
  flex: 1;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.6;
}

.change-text strong {
  color: var(--color-primary);
  font-size: 18px;
}

/* 复测时间表 */
.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.schedule-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text);
  padding: 8px 0;
}

.schedule-index {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(30, 58, 95, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

/* 趋势记录列表 */
.trend-record-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.trend-record-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
}

.trend-record-item:last-child {
  border-bottom: none;
}

.trend-record-date {
  color: var(--color-text-secondary);
}

.trend-record-score {
  font-weight: 600;
  color: var(--color-primary);
}

/* ===== 干预记录页 ===== */
.intervention-main {
  padding: 20px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.intervention-tip {
  background: linear-gradient(135deg, #fef5e7, #fef3c7);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: #92400e;
  line-height: 1.6;
}

.tip-icon {
  font-size: 18px;
  flex-shrink: 0;
  line-height: 1.4;
}

/* 添加按钮 */
.add-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(212, 162, 89, 0.3);
  transition: transform 0.15s;
}

.add-btn:active {
  transform: scale(0.98);
}

.add-icon {
  font-size: 18px;
  font-weight: 300;
}

/* 干预分类 */
.intervention-categories {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.int-category {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 12px var(--color-shadow);
  overflow: hidden;
}

.int-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  cursor: pointer;
  transition: background 0.2s;
}

.int-category-header:active {
  background: rgba(0,0,0,0.02);
}

.int-category-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(30, 58, 95, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.int-category-info {
  flex: 1;
  min-width: 0;
}

.int-category-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 2px;
}

.int-category-count {
  font-size: 12px;
  color: var(--color-text-light);
}

.int-category-arrow {
  font-size: 14px;
  color: var(--color-text-light);
  transition: transform 0.3s;
}

.int-category.expanded .int-category-arrow {
  transform: rotate(180deg);
}

.int-category-body {
  display: none;
  padding: 0 16px 16px;
  border-top: 1px solid var(--color-border);
}

.int-category.expanded .int-category-body {
  display: block;
}

.int-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.int-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.int-item:first-child {
  padding-top: 14px;
}

.int-item-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.int-item-status {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 8px;
  font-weight: 500;
}

.status-active {
  background: var(--color-green-light);
  color: #276749;
}

.status-stopped {
  background: var(--color-border);
  color: var(--color-text-secondary);
}

.int-item-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--color-text-light);
}

.int-item-note {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.int-item-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.int-item-action {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 8px;
  background: rgba(30, 58, 95, 0.06);
  color: var(--color-primary);
  flex: 1;
  text-align: center;
}

.int-item-action:active {
  background: rgba(30, 58, 95, 0.12);
}

.int-empty {
  padding: 14px 0;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-light);
}

/* ===== 弹窗 ===== */
.modal-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  padding: 20px;
}

.modal-mask.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #fff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 360px;
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.2s;
}

.modal-mask.show .modal-content {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.modal-close {
  font-size: 18px;
  color: var(--color-text-light);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text);
  background: #fff;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
}

.form-textarea {
  resize: none;
  min-height: 80px;
  line-height: 1.6;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23718096' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.modal-footer {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
}

.modal-btn {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: opacity 0.2s;
}

.modal-btn:active {
  opacity: 0.8;
}

.modal-cancel {
  background: var(--color-border);
  color: var(--color-text-secondary);
}

.modal-confirm {
  background: var(--color-primary);
  color: #fff;
}

/* ===== Toast 提示 ===== */
.toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s;
  max-width: 80%;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* ===== 滑动动画 ===== */
.slide-left-enter {
  animation: slideLeftIn 0.3s ease;
}

.slide-right-enter {
  animation: slideRightIn 0.3s ease;
}

@keyframes slideLeftIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideRightIn {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ===== 响应式微调 ===== */
@media (max-width: 360px) {
  .hero-title { font-size: 24px; }
  .question-text { font-size: 18px; }
  .result-score { font-size: 52px; }
}

@media (min-width: 480px) {
  #app {
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    box-shadow: 0 0 40px rgba(0,0,0,0.05);
  }
}