/* ============================================
   骗术通缉令 — 通用样式表
   ============================================ */

/* --- CSS 自定义属性（主题色） --- */
:root {
  --color-primary: #00f5ff;
  --color-secondary: #ff00e4;
  --color-accent: #ffcc00;
  --color-bg: #0a0a1a;
  --color-bg-card: #12122a;
  --color-bg-card-hover: #1a1a3a;
  --color-text: #e0e0f0;
  --color-text-dim: #9090b0;
  --color-border: #2a2a5a;
  --color-success: #00ff88;
  --color-danger: #ff4466;
  --shadow-card: 0 4px 20px rgba(0, 245, 255, 0.15);
  --shadow-card-hover: 0 8px 40px rgba(0, 245, 255, 0.3);
  --radius: 16px;
  --radius-sm: 10px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(135deg, #0a0a1a 0%, #0f0f2e 50%, #0a0a1a 100%);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
  padding: 0;
}

/* --- 渐变标题 --- */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* --- 导航栏 --- */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-nav .logo {
  font-size: 1.3rem;
  font-weight: 800;
  text-decoration: none;
}

.top-nav .nav-links {
  display: flex;
  gap: 12px;
}

.top-nav .nav-links a {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 6px 14px;
  border-radius: 20px;
  transition: all 0.25s;
}

.top-nav .nav-links a:hover,
.top-nav .nav-links a.active {
  color: var(--color-primary);
  background: rgba(0, 245, 255, 0.1);
}

/* --- 页面容器 --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px;
}

.page-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.page-subtitle {
  color: var(--color-text-dim);
  font-size: 1rem;
  margin-bottom: 32px;
}

/* --- 卡片网格 --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

/* --- 骗术卡片 --- */
.scam-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 20px 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text);
  display: block;
}

.scam-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0.6;
  transition: opacity 0.3s;
}

.scam-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
  background: var(--color-bg-card-hover);
}

.scam-card:hover::before {
  opacity: 1;
}

.scam-card:active {
  transform: translateY(-2px) scale(0.98);
}

.scam-card .card-emoji {
  font-size: 3rem;
  display: block;
  margin-bottom: 12px;
}

.scam-card .card-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.scam-card .card-desc {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.scam-card .card-badge {
  display: inline-block;
  margin-top: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(0, 245, 255, 0.12);
  color: var(--color-primary);
}

/* --- 收藏按钮 --- */
.fav-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.25s;
  color: var(--color-text-dim);
}

.fav-btn:hover {
  background: rgba(255, 204, 0, 0.15);
  border-color: var(--color-accent);
}

.fav-btn.faved {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(255, 204, 0, 0.1);
}

/* --- 详情页 --- */
.detail-header {
  text-align: center;
  padding: 40px 0 24px;
}

.detail-emoji {
  font-size: 5rem;
  display: block;
  margin-bottom: 12px;
}

.detail-name {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.detail-category {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(0, 245, 255, 0.12);
  color: var(--color-primary);
}

.detail-section {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.detail-section h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.detail-section .case-box {
  background: rgba(255, 68, 102, 0.08);
  border-left: 3px solid var(--color-danger);
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-top: 12px;
}

.detail-section .tip-box {
  background: rgba(0, 255, 136, 0.08);
  border-left: 3px solid var(--color-success);
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-top: 12px;
  font-size: 1.1rem;
  font-weight: 600;
}

/* --- 按钮 --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #0a0a1a;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 245, 255, 0.3);
}

.btn-primary:active {
  transform: translateY(0) scale(0.97);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(0, 245, 255, 0.05);
}

.btn-back {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  transition: color 0.2s;
}

.btn-back:hover {
  color: var(--color-primary);
}

/* --- 统计卡片 --- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-card .stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-card .stat-label {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-top: 4px;
}

/* --- 打卡日历 --- */
.checkin-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  max-width: 400px;
  margin: 20px auto;
}

.checkin-day {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  transition: all 0.2s;
}

.checkin-day.done {
  background: rgba(0, 255, 136, 0.12);
  border-color: var(--color-success);
  color: var(--color-success);
}

.checkin-day.today {
  border-color: var(--color-primary);
  box-shadow: 0 0 12px rgba(0, 245, 255, 0.3);
}

/* --- 徽章 --- */
.badge-display {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin: 20px 0;
}

.badge-item {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  transition: all 0.3s;
  position: relative;
}

.badge-item.unlocked {
  border-color: var(--color-accent);
  box-shadow: 0 0 20px rgba(255, 204, 0, 0.2);
}

.badge-item.locked {
  filter: grayscale(0.8);
  opacity: 0.4;
}

.badge-item .badge-label {
  position: absolute;
  bottom: -22px;
  font-size: 0.7rem;
  color: var(--color-text-dim);
  white-space: nowrap;
}

/* --- 空状态 --- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-dim);
}

.empty-state .empty-icon {
  font-size: 4rem;
  display: block;
  margin-bottom: 16px;
}

.empty-state p {
  font-size: 1rem;
  margin-bottom: 20px;
}

/* --- 响应式 --- */
@media (max-width: 600px) {
  .top-nav {
    flex-direction: column;
    gap: 10px;
    padding: 12px 16px;
  }

  .top-nav .nav-links {
    width: 100%;
    justify-content: center;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail-emoji {
    font-size: 3.5rem;
  }
}