/* WorthDegree 核心样式 — 冷静青绿主色 + 紧凑布局 + 毛玻璃弹窗 */

:root {
  --primary: #0891B2;
  --primary-dark: #0e6b57;
  --accent: #059669;
  --accent-light: #d1fae5;
  --bg: #f5fcfa;
  --card: #ffffff;
  --text: #134e4a;
  --text-secondary: #5b8a85;
  --border: #cdeee7;
  --warning: #d97706;
  --warning-bg: #fff3e0;
  --danger: #dc2626;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { min-height: 100%; }

body {
  font-family: -apple-system, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: linear-gradient(160deg, var(--bg) 0%, #fff 45%, #c3e8db 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ===== 导航 ===== */
.navbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.navbar .logo { font-weight: 800; font-size: 18px; color: var(--primary-dark); text-decoration: none; }
.navbar .logo .accent { color: var(--primary); }
.navbar nav { display: flex; gap: 20px; flex-wrap: wrap; }
.navbar nav a { color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.15s; }
.navbar nav a:hover { color: var(--primary); }
.navbar .intl-toggle { font-size: 13px; padding: 4px 12px; border-radius: 20px; border: 1px solid var(--border); background: var(--accent-light); color: var(--primary-dark); cursor: pointer; }

/* ===== 容器 ===== */
.container { max-width: 960px; margin: 0 auto; padding: 32px 24px; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #2dd4bf 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
  margin-bottom: 32px;
  box-shadow: var(--shadow-lg);
}
.hero h1 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.hero p { font-size: 16px; opacity: 0.9; max-width: 600px; margin: 0 auto; }
.hero .cta-row { margin-top: 24px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #047857; }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255, 255, 255, 0.5); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 36px; font-size: 17px; }

/* ===== 卡片 ===== */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.card h3 { color: var(--primary-dark); font-size: 18px; margin-bottom: 12px; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-bottom: 24px; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--primary-dark); font-size: 14px; }
.form-group select, .form-group input, .form-group input[type="range"] { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 15px; font-family: inherit; background: #fff; color: var(--text); }
.form-group select:focus, .form-group input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1); }
.form-group .hint { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.form-group input[type="range"] { padding: 0; accent-color: var(--primary); }
.range-value { font-weight: 700; color: var(--primary); }

/* ===== 数据表 ===== */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th { background: var(--accent-light); color: var(--primary-dark); padding: 10px 14px; text-align: left; font-weight: 700; border-bottom: 2px solid var(--border); }
.data-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.data-table tr:hover td { background: #f0fdfa; }
.data-table .win { background: #e6faf6; font-weight: 700; color: var(--primary-dark); }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.badge-reported { background: #d1fae5; color: #047857; }
.badge-estimated { background: #fef3c7; color: #b45309; }
.badge-missing { background: #fee2e2; color: #dc2626; }

/* ===== 路线报告卡 ===== */
.route-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  border-top: 4px solid var(--primary);
}
.route-card.route-a { border-top-color: var(--primary); }
.route-card.route-b { border-top-color: var(--accent); }
.route-card.route-c { border-top-color: #8b5cf6; }
.route-card h3 { font-size: 20px; margin-bottom: 4px; }
.route-card .verdict { font-size: 15px; color: var(--text); margin: 12px 0; padding: 12px 16px; background: #f0fdfa; border-left: 3px solid var(--primary); border-radius: 4px; line-height: 1.8; }
.route-card .worst-case { font-size: 14px; color: var(--text-secondary); margin: 8px 0; padding: 8px 16px; background: var(--warning-bg); border-left: 3px solid var(--warning); border-radius: 4px; }

.stat-row { display: flex; gap: 16px; flex-wrap: wrap; margin: 16px 0; }
.stat-item { flex: 1; min-width: 120px; }
.stat-item .stat-num { font-size: 24px; font-weight: 800; color: var(--primary); }
.stat-item .stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ===== 付费门控 ===== */
.paywall-overlay {
  position: relative;
  margin-top: 32px;
  padding: 32px;
  text-align: center;
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.05), rgba(5, 150, 105, 0.05));
  border: 2px dashed var(--border);
  border-radius: var(--radius);
}
.paywall-overlay h3 { font-size: 22px; color: var(--primary-dark); margin-bottom: 8px; }
.paywall-overlay p { color: var(--text-secondary); margin-bottom: 16px; }
.paywall-lock { filter: blur(4px); opacity: 0.6; pointer-events: none; user-select: none; }

/* ===== 毛玻璃弹窗 ===== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  padding: 32px;
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}
.modal h3 { font-size: 22px; color: var(--primary-dark); margin-bottom: 16px; }
.modal .price { font-size: 36px; font-weight: 800; color: var(--primary); margin: 16px 0; }
.modal .price small { font-size: 16px; font-weight: 400; color: var(--text-secondary); }
.modal .features { margin: 16px 0 24px; }
.modal .features li { padding: 6px 0; list-style: none; display: flex; gap: 8px; align-items: center; }
.modal .features li::before { content: "✓"; color: var(--accent); font-weight: 700; }
.modal-close { float: right; cursor: pointer; font-size: 24px; color: var(--text-secondary); background: none; border: none; }

/* ===== callout ===== */
.callout { padding: 16px 24px; border-radius: var(--radius-sm); margin: 16px 0; background: #e0f7f3; border-left: 4px solid var(--primary); }
.callout-warning { background: var(--warning-bg); border-left-color: var(--warning); }
.callout p { margin: 0; }

/* ===== 来源标注 ===== */
.source-tag { font-size: 11px; color: var(--text-secondary); font-style: italic; }
.disclaimer { font-size: 12px; color: var(--text-secondary); margin-top: 32px; padding: 16px; background: #f8fafc; border-radius: 8px; line-height: 1.8; }

/* ===== 分享组件 ===== */
.share-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.04), rgba(5, 150, 105, 0.04));
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  flex-wrap: wrap;
}
.share-bar .share-label { font-size: 14px; font-weight: 600; color: var(--primary-dark); margin-right: 4px; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  font-family: inherit;
}
.share-btn:hover { background: var(--accent-light); border-color: var(--primary); transform: translateY(-1px); }
.share-btn .icon { font-size: 16px; }
.share-btn.copied { background: var(--accent); color: #fff; border-color: var(--accent); }
.share-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-dark);
  color: #fff;
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 300;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.share-toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .container { padding: 16px; }
  .hero { padding: 32px 20px; }
  .hero h1 { font-size: 24px; }
  .navbar { padding: 10px 16px; }
  .navbar nav { gap: 12px; }
  .card-grid { grid-template-columns: 1fr; }
  .stat-row { flex-direction: column; }
}