/* 小红书小工具专用样式表 - 100% 离线自包含，零外部网络依赖 */
:root {
  --primary: #dc2626;
  --primary-light: #fef2f2;
  --primary-border: #fecaca;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --blue: #2563eb;
  --blue-light: #eff6ff;
  --emerald: #059669;
  --emerald-light: #ecfdf5;
  --amber: #d97706;
  --amber-light: #fffbeb;
  --purple: #7c3aed;
  --purple-light: #f5f3ff;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  padding-bottom: 75px;
}

/* 顶部吸顶导航 */
.header-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding-top: max(10px, env(safe-area-inset-top));
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
}

.header-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--primary);
  display: inline-block;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.header-title {
  font-size: 16px;
  font-weight: 900;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.tag-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 6px;
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
}

/* 滚动药丸导航栏 */
.nav-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  overflow-x: auto;
  border-top: 1px solid #f1f5f9;
  background: #f8fafc;
  scrollbar-width: none;
}
.nav-scroll::-webkit-scrollbar {
  display: none;
}

.nav-pill {
  flex-shrink: 0;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-pill.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 2px 6px rgba(220, 38, 38, 0.25);
}

/* 主内容流容器 */
.main-container {
  max-width: 540px;
  margin: 0 auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* 卡片 */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  scroll-margin-top: 110px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid #f1f5f9;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bar-indicator {
  width: 4px;
  height: 18px;
  background: var(--primary);
  border-radius: 4px;
}

.card-title {
  font-size: 15px;
  font-weight: 900;
  color: var(--text-main);
}

/* 顶部宣传 Banner */
.hero-banner {
  background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.2);
}

.hero-tag {
  font-size: 10px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 6px;
}

.hero-title {
  font-size: 17px;
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 6px;
}

.hero-desc {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

/* 数据四宫格 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

.stat-item {
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
  border: 1px solid;
}

.stat-red { background: var(--primary-light); border-color: var(--primary-border); }
.stat-blue { background: var(--blue-light); border-color: #bfdbfe; }
.stat-green { background: var(--emerald-light); border-color: #a7f3d0; }
.stat-amber { background: var(--amber-light); border-color: #fde68a; }

.stat-label { font-size: 11px; font-weight: 700; color: var(--text-muted); }
.stat-value { font-size: 22px; font-weight: 900; margin: 2px 0; }
.stat-red .stat-value { color: var(--primary); }
.stat-blue .stat-value { color: var(--blue); }
.stat-green .stat-value { color: var(--emerald); }
.stat-amber .stat-value { color: var(--amber); }
.stat-sub { font-size: 11px; font-weight: 700; opacity: 0.85; }

/* 剖析小列表 */
.analysis-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.analysis-item {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 12px;
}

.analysis-title {
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.analysis-desc {
  color: #334155;
  line-height: 1.5;
}

/* 时间轴 */
.timeline {
  position: relative;
  padding-left: 20px;
  border-left: 2px solid #fecaca;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 10px 0;
}

.timeline-step {
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: -27px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 2px #fecaca;
}

.timeline-content {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
}

.timeline-active .timeline-content {
  background: #fef2f2;
  border-color: #ef4444;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 4px;
}

.timeline-date {
  font-size: 11px;
  background: #ffffff;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--primary);
}

.timeline-detail {
  font-size: 11px;
  color: #475569;
  line-height: 1.5;
}

/* 比例条形图 */
.bar-chart-row {
  margin-bottom: 10px;
}

.bar-chart-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 4px;
}

.bar-track {
  width: 100%;
  height: 14px;
  background: #f1f5f9;
  border-radius: 20px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: #94a3b8;
  border-radius: 20px;
  transition: width 0.5s ease;
}

.bar-highlight .bar-fill {
  background: var(--primary);
}

/* 资格自检器表单 */
.form-group {
  margin-bottom: 12px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 6px;
}

.degree-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.degree-btn {
  padding: 10px 4px;
  font-size: 12px;
  font-weight: 800;
  border-radius: var(--radius-md);
  border: 2px solid var(--border);
  background: #ffffff;
  color: #334155;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.degree-btn.active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

.form-input, .form-select {
  width: 100%;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  background: #f8fafc;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.2s;
}

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

.checkbox-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  font-size: 12px;
  color: #1e293b;
  cursor: pointer;
}

.checkbox-card input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

/* 自检结果卡片 */
.result-box {
  padding: 14px;
  border-radius: var(--radius-md);
  border: 2px solid var(--emerald);
  background: var(--emerald-light);
  margin-top: 10px;
  transition: all 0.3s ease;
}

.result-box.fail {
  border-color: #ef4444;
  background: #fef2f2;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.result-title {
  font-size: 13px;
  font-weight: 900;
  color: #065f46;
}

.result-box.fail .result-title {
  color: #991b1b;
}

.result-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--emerald);
  color: #ffffff;
}

.result-box.fail .result-badge {
  background: #dc2626;
}

.result-desc {
  font-size: 11px;
  color: #334155;
  line-height: 1.5;
}

/* 提示卡片 */
.tip-box {
  background: #fef2f2;
  border-left: 4px solid var(--primary);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: #450a0a;
  line-height: 1.5;
}

/* 底部常驻栏 */
.footer-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  padding-bottom: max(8px, env(safe-area-inset-bottom));
}

.footer-nav {
  max-width: 540px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  padding: 6px 0;
}

.footer-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
}

.footer-btn.active, .footer-btn:hover {
  color: var(--primary);
}

.footer-icon-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
}

/* ============================================================
   宽屏适配（≥768px 平板/电脑）：内容区放开、多列排布、字略上调
   手机（<768px）观感保持原样，全部规则都在媒体查询内
   ============================================================ */

/* 平板（768px–1023px）：内容区放开、保持单列 */
@media (min-width: 768px) {
  body {
    font-size: 15px;
  }

  .main-container {
    max-width: 1080px;
    padding: 16px 24px;
  }

  .footer-nav {
    max-width: 1080px;
  }

  .header-top {
    max-width: 1080px;
    margin: 0 auto;
  }

  /* 药丸导航一行铺开、必要时换行、不横向滚动 */
  .nav-scroll {
    flex-wrap: wrap;
    justify-content: center;
    overflow-x: visible;
    max-width: 1080px;
    margin: 0 auto;
    width: 100%;
  }

  .card-title {
    font-size: 17px;
  }

  .header-title {
    font-size: 18px;
  }

  .stat-value {
    font-size: 26px;
  }

  .stat-label,
  .stat-sub {
    font-size: 12px;
  }

  /* 统计卡 2 列 → 4 列 */
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* 资格自检表单：电脑上输入区不过分拉宽 */
  #sec-checker .form-group {
    max-width: 720px;
  }
}

/* 电脑（≥1024px）：内容卡两列并排 */
@media (min-width: 1024px) {
  .main-container {
    display: grid;
    grid-template-columns: repeat(2, minmax(380px, 1fr));
    gap: 18px;
    align-items: start;
  }

  /* 横幅、大盘、自检、速查总表通栏，其余内容卡两列并排 */
  .main-container > .hero-banner,
  #sec-overview,
  #sec-checker,
  #sec-summary {
    grid-column: 1 / -1;
  }

  .main-container > .card {
    min-width: 0;
    overflow-wrap: break-word;
  }
}

/* App 图标 */
.header-app-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  object-fit: cover;
  flex-shrink: 0;
}