/* ========================================
   收藏夹导航页 — 专属样式
   依赖: tokens.css, global.css, components.css
   复用: particles.js, card-tilt.js
   ======================================== */

#particleCanvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

/* ── 背景光晕 ── */
body::before {
  content: ''; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 30% 15%, rgba(139, 92, 246, 0.06), transparent 60%),
    radial-gradient(ellipse 60% 40% at 70% 30%, rgba(0, 229, 255, 0.06), transparent 60%),
    radial-gradient(ellipse 50% 45% at 50% 75%, rgba(91, 138, 247, 0.05), transparent 55%);
  animation: favBgShift 18s ease-in-out infinite alternate;
}
@keyframes favBgShift {
  0% { background: radial-gradient(ellipse 70% 50% at 30% 15%, rgba(139,92,246,0.06), transparent 60%), radial-gradient(ellipse 60% 40% at 70% 30%, rgba(0,229,255,0.06), transparent 60%), radial-gradient(ellipse 50% 45% at 50% 75%, rgba(91,138,247,0.05), transparent 55%); }
  33% { background: radial-gradient(ellipse 70% 50% at 70% 20%, rgba(0,229,255,0.07), transparent 60%), radial-gradient(ellipse 60% 40% at 30% 55%, rgba(91,138,247,0.06), transparent 60%), radial-gradient(ellipse 50% 45% at 60% 30%, rgba(139,92,246,0.05), transparent 55%); }
  66% { background: radial-gradient(ellipse 70% 50% at 45% 70%, rgba(91,138,247,0.07), transparent 60%), radial-gradient(ellipse 60% 40% at 60% 25%, rgba(139,92,246,0.06), transparent 60%), radial-gradient(ellipse 50% 45% at 25% 50%, rgba(0,229,255,0.06), transparent 55%); }
  100% { background: radial-gradient(ellipse 70% 50% at 30% 15%, rgba(139,92,246,0.06), transparent 60%), radial-gradient(ellipse 60% 40% at 70% 30%, rgba(0,229,255,0.06), transparent 60%), radial-gradient(ellipse 50% 45% at 50% 75%, rgba(91,138,247,0.05), transparent 55%); }
}

/* ── 极光网格 ── */
.grid-overlay {
  content: ''; position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.03;
  background-image: linear-gradient(rgba(0,229,255,0.35) 1px, transparent 1px), linear-gradient(90deg, rgba(0,229,255,0.35) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 75%);
}

/* ── 页面容器 ── */
.fav-container { position: relative; z-index: 10; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-lg); }

/* ── 导航栏 ── */
.fav-nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  background: rgba(5, 10, 18, 0.75);
  border-bottom: 1px solid var(--border-subtle);
  animation: slideDown 0.5s var(--ease-out);
}
.fav-nav-inner {
  display: flex; align-items: center; gap: var(--space-lg);
  height: 56px; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-lg);
}
.fav-nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-primary); flex-shrink: 0; }
.fav-nav-brand:hover { color: var(--text-primary); }
.fav-nav-logo {
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 15px; font-weight: 700; color: #050a12;
  box-shadow: 0 0 14px rgba(0,229,255,0.25);
}
.fav-nav-title { font-size: 16px; font-weight: 600; letter-spacing: -0.02em; }
.fav-nav-back {
  color: var(--text-tertiary); text-decoration: none; font-size: 13px;
  display: flex; align-items: center; gap: 4px; transition: color 0.2s; white-space: nowrap;
}
.fav-nav-back:hover { color: var(--accent-cyan); }
.fav-nav-spacer { flex: 1; }

.fav-search {
  position: relative; max-width: 360px; width: 100%;
}
.fav-search-input {
  width: 100%; height: 36px; padding: 0 var(--space-md) 0 36px;
  background: var(--bg-glass); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); color: var(--text-primary);
  font-family: var(--font-sans); font-size: 14px; outline: none;
  transition: all var(--duration-normal) var(--ease-out);
}
.fav-search-input::placeholder { color: var(--text-tertiary); }
.fav-search-input:focus {
  border-color: var(--border-glow);
  box-shadow: 0 0 0 3px var(--accent-cyan-dim);
  background: rgba(255,255,255,0.05);
}
.fav-search-icon {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  color: var(--text-tertiary); font-size: 14px; pointer-events: none;
}
.fav-search-clear {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--text-tertiary);
  cursor: pointer; font-size: 14px; padding: 2px 4px;
  border-radius: var(--radius-sm); display: none;
}
.fav-search-clear.visible { display: block; }
.fav-search-clear:hover { color: var(--text-primary); }

/* ── 英雄区域 ── */
.fav-hero {
  padding: 64px 0 32px; text-align: center;
  animation: fadeUp 0.8s var(--ease-out) 0.1s both;
}
.fav-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: var(--radius-full);
  border: 1px solid var(--border-glow);
  background: var(--bg-glass);
  font-family: var(--font-mono); font-size: 12px;
  color: var(--accent-cyan); margin-bottom: 20px;
}
.fav-hero-badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--status-green);
  box-shadow: 0 0 8px var(--status-green);
}
.fav-hero-title {
  font-size: clamp(32px, 6vw, 56px); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 12px;
}
.fav-hero-title .gradient-text {
  background: linear-gradient(135deg, #fff 0%, var(--accent-purple) 35%, var(--accent-cyan) 65%, #fff 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 5s ease-in-out infinite;
}
.fav-hero-subtitle {
  font-size: 16px; color: var(--text-secondary);
  max-width: 480px; margin: 0 auto;
}

/* ── 分类胶囊 ── */
.fav-category-bar {
  padding: var(--space-lg) 0;
  animation: fadeUp 0.6s var(--ease-out) 0.2s both;
}
.fav-category-inner {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  padding: 4px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
}
.fav-category-btn {
  padding: 6px 16px; border: none; background: transparent;
  color: var(--text-secondary); font-family: var(--font-sans);
  font-size: 13px; font-weight: 500; border-radius: var(--radius-sm);
  cursor: pointer; transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
}
.fav-category-btn:hover { color: var(--text-primary); background: var(--bg-glass); }
.fav-category-btn.active { color: var(--accent-cyan); background: var(--accent-cyan-dim); }
.fav-count {
  font-size: 12px; color: var(--text-muted);
  font-family: var(--font-mono); margin-left: var(--space-md);
}

/* ── 卡片网格 ── */
.fav-section { padding-bottom: var(--space-3xl); }
.fav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.fav-card {
  position: relative;
  padding: var(--space-lg);
  background: linear-gradient(135deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: all var(--spring-duration) var(--spring-enter);
  overflow: hidden;
  opacity: 0;
  animation: cardSlideIn 0.5s var(--ease-out) forwards;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.fav-card:nth-child(1) { animation-delay: 0.05s; }
.fav-card:nth-child(2) { animation-delay: 0.10s; }
.fav-card:nth-child(3) { animation-delay: 0.15s; }
.fav-card:nth-child(4) { animation-delay: 0.20s; }
.fav-card:nth-child(5) { animation-delay: 0.25s; }
.fav-card:nth-child(6) { animation-delay: 0.30s; }
.fav-card:nth-child(7) { animation-delay: 0.35s; }
.fav-card:nth-child(8) { animation-delay: 0.40s; }
.fav-card:nth-child(9) { animation-delay: 0.45s; }

@keyframes cardSlideIn {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── 卡片顶部光条 ── */
.fav-card::before {
  content: ''; position: absolute; top: 0; left: 15%; right: 15%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-accent, var(--accent-cyan)), transparent);
  opacity: 0; transition: opacity 0.4s; z-index: 2;
}
.fav-card:hover::before { opacity: 0.7; }

/* ── 卡片鼠标跟踪光晕 ── */
.fav-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(circle 260px at var(--glow-x, 50%) var(--glow-y, 50%),
    color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 10%, transparent),
    transparent 70%);
  opacity: 0;
  transition: opacity 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  z-index: 0;
}
.fav-card.has-glow::after { opacity: 1; }

/* ── 卡片 hover ── */
.fav-card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 35%, transparent);
  box-shadow:
    0 0 30px color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 8%, transparent),
    0 0 60px color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 3%, transparent),
    0 10px 30px rgba(0,0,0,0.4);
  background: rgba(255,255,255,0.04);
}
.fav-card:active { transform: translateY(-2px); transition: transform 0.05s; }

/* ── 卡片内部元素 ── */
.fav-card-header {
  display: flex; align-items: center; gap: var(--space-sm);
  position: relative; z-index: 2;
}
.fav-card-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-default);
  transition: all var(--spring-duration) var(--spring-enter);
}
.fav-card:hover .fav-card-icon {
  border-color: var(--border-glow);
  box-shadow: 0 0 14px color-mix(in srgb, var(--card-accent, var(--accent-cyan)) 12%, transparent);
}

.fav-card-info { flex: 1; min-width: 0; }
.fav-card-name {
  font-size: 15px; font-weight: 600; color: var(--text-primary);
  letter-spacing: -0.01em; margin-bottom: 2px;
  position: relative; z-index: 2;
}
.fav-card-url {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-muted); opacity: 0.5; position: relative; z-index: 2;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.fav-card-desc {
  font-size: 13px; color: var(--text-tertiary);
  line-height: 1.5; position: relative; z-index: 2;
}

.fav-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; position: relative; z-index: 2;
}
.fav-card-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.fav-tag {
  padding: 2px 8px; font-size: 11px; font-family: var(--font-mono);
  border-radius: var(--radius-full); border: 1px solid var(--border-subtle);
  color: var(--text-tertiary); background: rgba(255,255,255,0.02);
}
.fav-tag.accent { border-color: rgba(0,229,255,0.15); color: var(--accent-cyan); }
.fav-tag.blue   { border-color: rgba(91,138,247,0.15); color: var(--accent-blue); }
.fav-tag.purple { border-color: rgba(139,92,246,0.15); color: var(--accent-purple); }

.fav-card-date {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-muted); white-space: nowrap;
}

/* ── 空状态 ── */
.fav-empty {
  display: none; flex-direction: column; align-items: center; justify-content: center;
  padding: var(--space-3xl) var(--space-lg); text-align: center;
  animation: fadeUp 0.4s var(--ease-out);
}
.fav-empty.visible { display: flex; }
.fav-empty-icon { font-size: 48px; margin-bottom: var(--space-md); opacity: 0.3; }
.fav-empty-title { font-size: 16px; font-weight: 600; color: var(--text-secondary); margin-bottom: var(--space-sm); }
.fav-empty-desc { font-size: 13px; color: var(--text-muted); max-width: 320px; }

/* ── 加载骨架 ── */
.fav-skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%);
  background-size: 200% 100%; animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-lg); height: 180px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── 页脚 ── */
.fav-footer {
  position: relative; z-index: 10;
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  animation: fadeUp 0.6s var(--ease-out) 0.4s both;
}
.fav-footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: var(--space-md);
}
.fav-footer-copyright { font-size: 12px; color: var(--text-muted); }
.fav-footer-status { display: flex; align-items: center; gap: var(--space-sm); font-size: 12px; color: var(--text-muted); }
.fav-footer-status .status-dot-f { width: 6px; height: 6px; border-radius: 50%; background: var(--status-green); box-shadow: 0 0 6px var(--status-green); animation: pulse 2s ease-in-out infinite; }
.fav-footer-clock { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.fav-footer-sep { font-size: 12px; color: var(--text-tertiary); }
.fav-footer a { color: var(--text-secondary); text-decoration: none; transition: color var(--duration-normal); font-size: 12px; }
.fav-footer a:hover { color: var(--accent-cyan); }
.fav-footer .sep { color: var(--border-default); }

/* ── 响应式 ── */
@media (max-width: 900px) {
  .fav-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .fav-hero { padding: 48px 0 24px; }
  .fav-nav-inner { gap: var(--space-sm); }
}
@media (max-width: 600px) {
  .fav-grid { grid-template-columns: 1fr; }
  .fav-hero-title { font-size: 28px; }
  .fav-search { max-width: 200px; }
  .fav-nav-title { display: none; }
}
@media (max-width: 480px) {
  .fav-container { padding: 0 var(--space-md); }
  .fav-nav-inner { padding: 0 var(--space-md); }
  .fav-search { max-width: 150px; }
}