/* ===== AI体态与状态恢复系统 - 全新设计 ===== */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #eef2ff;
  --secondary: #10b981;
  --secondary-dark: #059669;
  --accent: #f59e0b;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #f59e0b;
  --bg: #f5f5f7;
  --card-bg: #ffffff;
  --text: #111827;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --border: #e5e7eb;
  --border-light: #f3f4f6;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --nav-height: 56px;
  --bottom-nav-height: 72px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html, body {
  font-family: -apple-system, 'PingFang SC', 'SF Pro Display', 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== 顶部导航 ===== */
.navbar {
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: none;
  padding: 0 20px;
  height: var(--nav-height);
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar h1 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.navbar .back-btn {
  background: none; border: none; font-size: 18px; cursor: pointer;
  color: var(--primary); padding: 4px; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.2s;
}
.navbar .back-btn:active { background: var(--primary-light); }

/* ===== 底部导航 ===== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 0.5px solid rgba(0,0,0,0.08);
  display: flex;
  justify-content: space-around;
  padding: 6px 0 calc(6px + var(--safe-bottom));
  z-index: 100;
  height: calc(var(--bottom-nav-height) + var(--safe-bottom));
}
.bottom-nav a {
  text-align: center;
  text-decoration: none;
  color: var(--text-tertiary);
  font-size: 10px;
  font-weight: 500;
  padding: 4px 0;
  transition: color 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 64px;
}
.bottom-nav a.active { color: var(--primary); }
.bottom-nav a .icon { font-size: 24px; display: block; line-height: 1; }

/* ===== 布局 ===== */
.container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 16px;
  padding-bottom: calc(var(--bottom-nav-height) + var(--safe-bottom) + 24px);
}
.page { display: none; }
.page.active { display: block; }

/* ===== 上传区域（首页英雄） ===== */
.upload-hero {
  text-align: center;
  padding: 32px 0 24px;
}
.upload-hero .hero-illustration {
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--primary-light), #e0e7ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  animation: heroFloat 3s ease-in-out infinite;
}
.upload-hero h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin-bottom: 8px;
}
.upload-hero .subtitle {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.5;
  max-width: 280px;
  margin: 0 auto;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ===== 上传框 ===== */
.upload-zone {
  background: var(--card-bg);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.upload-zone:active {
  transform: scale(0.98);
  border-color: var(--primary);
}
.upload-zone.has-image {
  border-style: solid;
  border-color: var(--success);
  padding: 12px;
  background: #f0fdf4;
}
.upload-zone.has-image img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  display: block;
}
.upload-zone .upload-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}
.upload-zone .upload-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.upload-zone .upload-hint {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ===== 拍照提示 ===== */
.tips-box {
  background: #fffbeb;
  border-radius: var(--radius-sm);
  padding: 16px;
  margin: 16px 0;
  font-size: 13px;
  color: #92400e;
  line-height: 1.8;
}
.tips-box strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
}

/* ===== 步骤指示器 ===== */
.steps-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 0;
}
.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: all 0.3s;
}
.step-dot.active {
  width: 24px;
  border-radius: 4px;
  background: var(--primary);
}
.step-dot.done {
  background: var(--success);
}

/* ===== 卡片 ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
}

/* ===== 按钮 ===== */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 24px;
  border-radius: 14px;
  border: none;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  width: 100%;
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--secondary); color: white; }
.btn-accent { background: var(--accent); color: white; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-outline:active { background: var(--border-light); }
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}
.btn:disabled:active { transform: none; }
.btn-sm {
  padding: 10px 16px;
  font-size: 14px;
  border-radius: var(--radius-sm);
}

/* ===== 问卷 ===== */
.question-block {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
}
.question-block:last-child { border-bottom: none; }
.question-label {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}
.radio-group, .checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.radio-item, .checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  font-size: 14px;
  transition: all 0.2s;
  user-select: none;
}
.radio-item:active, .checkbox-item:active {
  background: var(--primary-light);
  border-color: var(--primary);
}
.radio-item input, .checkbox-item input {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
}

/* ===== 测评结果 ===== */
.score-ring {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: conic-gradient(var(--primary) 0% var(--score), #f3f4f6 var(--score) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  position: relative;
  animation: scoreReveal 0.8s ease-out;
}
.score-ring::before {
  content: '';
  width: 116px;
  height: 116px;
  background: var(--card-bg);
  border-radius: 50%;
  position: absolute;
}
.score-ring .score-value {
  position: relative;
  z-index: 1;
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
}

@keyframes scoreReveal {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.issue-tag {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  margin: 4px;
  background: #fef2f2;
  color: #991b1b;
}
.analysis-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 15px;
}
.analysis-row:last-child { border-bottom: none; }
.analysis-row .label { color: var(--text-secondary); }
.analysis-row .status { font-weight: 600; }
.analysis-row .status.good { color: var(--success); }
.analysis-row .status.warn { color: var(--warning); }
.analysis-row .status.bad { color: var(--danger); }

.advice-box {
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}
.advice-box strong {
  color: var(--primary-dark);
}

/* ===== AI 3D posture assessment ===== */
.ai-process-panel,
.posture-report {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 18px;
  margin-bottom: 16px;
}
.ai-process-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.ai-process-kicker {
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}
.ai-process-head h2 {
  font-size: 20px;
  margin-top: 4px;
}
.ai-process-percent {
  min-width: 64px;
  text-align: right;
  color: var(--primary);
  font-size: 24px;
  font-weight: 800;
}
.ai-progress-track {
  height: 10px;
  border-radius: 999px;
  background: var(--border-light);
  overflow: hidden;
}
.ai-progress-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.35s ease;
}
.ai-process-steps {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}
.ai-process-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  color: var(--text-secondary);
}
.ai-process-step.active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 700;
}
.ai-process-step.done {
  border-color: #bbf7d0;
  background: #f0fdf4;
  color: #166534;
}
.ai-process-step .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
}
.ai-process-note,
.report-disclaimer {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.7;
}
.report-top {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 16px;
}
.model-panel {
  position: relative;
  min-height: 500px;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: #f8fafc;
}
#body-model-viewer {
  width: 100%;
  height: 440px;
}
.model-tools {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--border);
}
.model-layer-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 0 10px 10px;
}
.model-layer-controls label {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
}
.body-region-hover-card {
  position: absolute;
  z-index: 6;
  width: 220px;
  display: none;
  padding: 10px 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 12px;
  background: rgba(255,255,255,0.94);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.16);
  backdrop-filter: blur(10px);
  pointer-events: none;
}
.body-region-hover-card.show { display: block; }
.body-region-hover-card.pinned { pointer-events: auto; }
.body-region-hover-card strong {
  display: block;
  color: var(--text);
  font-size: 13px;
  margin-bottom: 4px;
}
.body-region-hover-card span {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 800;
}
.body-region-hover-card p {
  margin: 0 0 5px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.45;
}
.body-region-detail-card {
  margin: 0 10px 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.55;
}
.body-region-detail-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 14px;
}
.body-region-detail-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 8px;
  padding: 6px 0;
  border-top: 1px solid var(--border-light);
}
.body-region-detail-row b {
  color: var(--text);
}
.model-note {
  padding: 0 12px 12px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.6;
}
.model-tools button,
.report-actions button {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: white;
  padding: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.score-summary {
  display: grid;
  gap: 12px;
}
.summary-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: white;
}
.summary-card h3,
.report-section h3 {
  font-size: 16px;
  margin-bottom: 10px;
}
.risk-level {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fef3c7;
  color: #92400e;
  font-size: 12px;
  font-weight: 800;
}
.findings-list,
.focus-grid,
.suggestion-list {
  display: grid;
  gap: 8px;
}
.finding-item,
.focus-item,
.suggestion-item {
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--border-light);
  font-size: 13px;
  line-height: 1.5;
}
.correction-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.correction-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  background: #fff;
}
.correction-card h4 {
  margin-bottom: 8px;
  font-size: 15px;
}
.correction-card p,
.correction-card li {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.55;
}
.correction-card ul {
  margin: 8px 0;
  padding-left: 18px;
}
.correction-action {
  margin: 10px 0;
  padding: 10px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: #f8fafc;
}
.correction-action strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text-primary);
  font-size: 13px;
}
.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.quality-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
}
.quality-item strong {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
}
.quality-item span,
.evidence-pill {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}
.quality-pass span,
.evidence-pill {
  background: #dcfce7;
  color: #166534;
}
.quality-fail span {
  background: #fee2e2;
  color: #991b1b;
}
.quality-item p,
.metric-evidence {
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.45;
}
.quality-requirements {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}
.quality-requirements li {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  font-size: 11px;
  line-height: 1.35;
  color: var(--text-secondary);
}
.quality-requirements b {
  flex: 0 0 auto;
  font-size: 10px;
  font-weight: 800;
}
.quality-requirements .requirement-pass b { color: #15803d; }
.quality-requirements .requirement-fail b { color: #b91c1c; }
.projection-evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
.projection-fit-table {
  min-width: 720px;
}
.report-section {
  margin-top: 16px;
  overflow-x: auto;
}
.metric-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 12px;
  font-size: 13px;
}
.metric-table th,
.metric-table td {
  border-bottom: 1px solid var(--border-light);
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
}
.metric-table th {
  background: #f8fafc;
  color: var(--text-secondary);
  font-weight: 800;
}
.risk-normal { color: #15803d; font-weight: 800; }
.risk-mild { color: #a16207; font-weight: 800; }
.risk-medium { color: #c2410c; font-weight: 800; }
.risk-high { color: #b91c1c; font-weight: 800; }
.analysis-images {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.analysis-figure {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #f8fafc;
  overflow: hidden;
}
.analysis-figure h4 {
  padding: 10px 12px;
  font-size: 14px;
}
.analysis-figure svg,
.analysis-figure img {
  width: 100%;
  display: block;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: #eef2ff;
}
.report-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.plan-back-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 16px;
}
.plan-back-actions .btn {
  padding: 12px 10px;
  font-size: 14px;
}
@media (max-width: 860px) {
  .report-top,
  .analysis-images,
  .quality-grid,
  .projection-evidence-grid,
  .correction-grid {
    grid-template-columns: 1fr;
  }
  #body-model-viewer {
    height: 360px;
  }
  .model-tools,
  .model-layer-controls {
    grid-template-columns: 1fr 1fr;
  }
  .plan-back-actions {
    grid-template-columns: 1fr;
  }
}

/* ===== 挑战卡片 ===== */
.challenge-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s;
}
.challenge-card:active { transform: scale(0.98); }
.challenge-card.locked {
  opacity: 0.5;
  background: var(--border-light);
}
.challenge-card .badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-available { background: #dcfce7; color: #166534; }
.badge-locked { background: #f3f4f6; color: var(--text-tertiary); }
.challenge-card h3 { font-size: 20px; margin-bottom: 6px; font-weight: 700; letter-spacing: -0.02em; }
.challenge-card .days { color: var(--text-secondary); font-size: 13px; margin-bottom: 12px; }
.challenge-card .price { font-size: 28px; font-weight: 700; color: var(--primary); }
.challenge-card .price small { font-size: 14px; color: var(--text-tertiary); font-weight: 400; }
.challenge-card .features {
  list-style: none;
  margin: 16px 0;
  padding: 0;
}
.challenge-card .features li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.challenge-card .features li::before {
  content: "✓";
  color: var(--success);
  font-weight: bold;
  font-size: 13px;
}

/* ===== 档位选择 ===== */
.plan-options { display: flex; flex-direction: column; gap: 10px; margin: 16px 0; }
.plan-option {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.plan-option:active { transform: scale(0.98); }
.plan-option.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}
.plan-option .name { font-weight: 600; font-size: 15px; }
.plan-option .desc { font-size: 12px; color: var(--text-tertiary); margin-top: 2px; }
.plan-option .amount { font-size: 20px; font-weight: 700; color: var(--primary); }

/* ===== 进度条 ===== */
.progress-bar {
  background: var(--border-light);
  border-radius: 6px;
  height: 8px;
  overflow: hidden;
  margin: 12px 0;
}
.progress-bar .fill {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  height: 100%;
  border-radius: 6px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 统计卡片 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 16px 0;
}
.stat-item {
  background: var(--border-light);
  border-radius: var(--radius-sm);
  padding: 14px 8px;
  text-align: center;
}
.stat-item .value {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}
.stat-item .label {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ===== 日历 ===== */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin: 16px 0;
}
.calendar-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--card-bg);
  box-shadow: var(--shadow);
}
.calendar-day:active { transform: scale(0.95); }
.calendar-day .status { font-size: 9px; margin-top: 1px; }
.calendar-day.checked { background: var(--success); color: white; }
.calendar-day.leave { background: var(--primary); color: white; }
.calendar-day.missed { background: var(--danger); color: white; }
.calendar-day.future { background: var(--border-light); color: var(--text-tertiary); }
.calendar-day.today { border: 2px solid var(--primary); }

/* ===== 打卡按钮 ===== */
.checkin-btn {
  width: 100%;
  padding: 20px;
  font-size: 18px;
  border-radius: var(--radius);
  margin: 16px 0;
}
.checkin-btn.completed {
  background: var(--success);
}

/* ===== 任务列表 ===== */
.task-list { list-style: none; }
.task-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--border-light);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  transition: all 0.2s;
}
.task-item.completed {
  background: #dcfce7;
}
.task-item .checkbox {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  transition: all 0.2s;
}
.task-item.completed .checkbox {
  background: var(--success);
  border-color: var(--success);
  color: white;
}
.task-item .task-info { flex: 1; }
.task-item .task-title { font-weight: 600; font-size: 14px; }
.task-item .task-desc { font-size: 12px; color: var(--text-tertiary); margin-top: 2px; }

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
}
.tag-success { background: #dcfce7; color: #166534; }
.tag-warning { background: #fef3c7; color: #92400e; }
.tag-danger { background: #fee2e2; color: #991b1b; }

/* ===== 提示框 ===== */
.alert {
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.alert-info { background: var(--primary-light); color: #3730a3; }
.alert-warning { background: #fffbeb; color: #92400e; }
.alert-success { background: #dcfce7; color: #166534; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  transition: border-color 0.2s;
  background: var(--card-bg);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* ===== 结果页 ===== */
.result-icon {
  font-size: 72px;
  text-align: center;
  margin: 24px 0;
  animation: heroFloat 2s ease-in-out infinite;
}
.result-title {
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.result-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 15px;
}

/* ===== 排行榜 ===== */
.leaderboard-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--border-light);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.leaderboard-item .rank {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}
.leaderboard-item .rank.gold { background: #fef3c7; color: #92400e; }
.leaderboard-item .rank.silver { background: #f3f4f6; color: #475569; }
.leaderboard-item .rank.bronze { background: #ffedd5; color: #9a3412; }
.leaderboard-item .info { flex: 1; }
.leaderboard-item .info .name { font-weight: 600; font-size: 14px; }
.leaderboard-item .info .desc { font-size: 12px; color: var(--text-tertiary); }
.leaderboard-item .score { font-weight: 700; color: var(--primary); font-size: 14px; }

/* ===== 倒计时 ===== */
.countdown {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  color: white;
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  margin-bottom: 16px;
}
.countdown .time { font-size: 36px; font-weight: 700; letter-spacing: 0.05em; }

/* ===== 结算信息 ===== */
.settle-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
}
.settle-row .value { font-weight: 600; }

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.animate-in {
  animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  opacity: 0;
}
.animate-in-delay-1 { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}
.animate-pulse { animation: pulse 2s infinite; }

/* ===== 模态框 ===== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 200;
  padding: 0;
}
.modal-content {
  background: var(--card-bg);
  border-radius: 20px 20px 0 0;
  padding: 24px 20px calc(24px + var(--safe-bottom));
  max-width: 430px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}
@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* ===== 分隔标题 ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 28px 0 16px;
}
.section-header h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.section-header .more {
  font-size: 13px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

/* ===== 分隔线 ===== */
.divider {
  height: 1px;
  background: var(--border-light);
  margin: 20px 0;
}

/* ===== 时间线 ===== */
.timeline-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  margin-top: 6px;
  flex-shrink: 0;
}
.timeline-dot.done { background: var(--success); }
.timeline-dot.missed { background: var(--danger); }
.timeline-dot.leave { background: var(--primary); }

/* ===== 列表菜单 ===== */
.menu-list {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  text-decoration: none;
  color: var(--text);
  border-bottom: 0.5px solid var(--border-light);
  transition: background 0.2s;
}
.menu-item:last-child { border-bottom: none; }
.menu-item:active { background: var(--border-light); }
.menu-item .menu-label { font-size: 15px; font-weight: 500; }
.menu-item .menu-arrow { color: var(--text-tertiary); font-size: 16px; }

/* ===== 切换开关 ===== */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 28px;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-switch .slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--border);
  border-radius: 28px;
  transition: 0.3s;
}
.toggle-switch .slider::before {
  content: '';
  position: absolute;
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: 0.3s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.toggle-switch input:checked + .slider {
  background: var(--primary);
}
.toggle-switch input:checked + .slider::before {
  transform: translateX(20px);
}

/* ===== 隐藏滚动条 ===== */
body::-webkit-scrollbar { display: none; }
body { -ms-overflow-style: none; scrollbar-width: none; }