:root {
  --bg: #0f0f1a;
  --bg-card: #1a1a2e;
  --bg-input: #16213e;
  --text: #e0e0e0;
  --text-secondary: #a0a0b0;
  --accent: #e94560;
  --accent-hover: #ff6b81;
  --border: #2a2a4a;
  --badge-pan: #3b82f6;
  --badge-magnet: #a855f7;
  --badge-direct: #22c55e;
  --status-alive: #22c55e;
  --status-unknown: #6b7280;
  --status-dead: #ef4444;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

#app {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 16px 60px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#app-header {
  text-align: center;
  padding: 20px 0 16px;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}

.logo-icon { font-size: 2rem; }
.logo-text {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.search-bar {
  display: flex;
  gap: 8px;
  max-width: 600px;
  margin: 0 auto;
}

.search-bar input {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-input);
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-bar input:focus {
  border-color: var(--accent);
}

.search-bar button {
  padding: 14px 28px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.search-bar button:hover { background: var(--accent-hover); }

#app-main {
  flex: 1;
  margin-top: 24px;
}

#app-footer {
  text-align: center;
  padding: 20px 0 0;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, #252545 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 120px;
  margin-bottom: 12px;
}

/* Type Tabs */
.type-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.type-tab {
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.type-tab:hover { border-color: var(--accent); color: var(--text); }
.type-tab.active { background: var(--accent); border-color: var(--accent); color: white; }

/* Result Card */
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.result-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.card-type-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.card-title {
  flex: 1;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-all;
}

.card-copy-btn {
  flex-shrink: 0;
  padding: 6px 14px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
}

.card-copy-btn:hover { background: var(--accent-hover); }

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.source-badge {
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.source-badge.baidu_pan { background: rgba(59,130,246,0.2); color: var(--badge-pan); }
.source-badge.ali_pan { background: rgba(251,146,60,0.2); color: #fb923c; }
.source-badge.magnet { background: rgba(168,85,247,0.2); color: var(--badge-magnet); }
.source-badge.direct { background: rgba(34,197,94,0.2); color: var(--badge-direct); }
.source-badge.resource_site { background: rgba(148,163,184,0.2); color: #94a3b8; }
.source-badge.default { background: rgba(148,163,184,0.15); color: var(--text-secondary); }

.file-meta {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
}

.status-dot::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.alive { color: var(--status-alive); }
.status-dot.alive::before { background: var(--status-alive); }
.status-dot.unknown { color: var(--status-unknown); }
.status-dot.unknown::before { background: var(--status-unknown); }
.status-dot.dead { color: var(--status-dead); }
.status-dot.dead::before { background: var(--status-dead); }

/* Result stats */
.result-stats {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

/* Error state */
.error-state {
  text-align: center;
  padding: 60px 20px;
}

.error-state .error-icon { font-size: 3rem; margin-bottom: 16px; }
.error-state .error-title { font-size: 1.2rem; margin-bottom: 8px; }
.error-state .error-desc { color: var(--text-secondary); margin-bottom: 20px; }
.error-state button {
  padding: 10px 24px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state .empty-icon { font-size: 3rem; margin-bottom: 16px; }
.empty-state .empty-title { font-size: 1.2rem; margin-bottom: 8px; }
.empty-state .empty-desc { color: var(--text-secondary); }

/* Hot searches */
.hot-searches {
  margin-top: 40px;
}

.hot-searches h3 {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.hot-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.hot-tag {
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.hot-tag:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* Toast */
#toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
}

.toast {
  padding: 10px 24px;
  background: #333;
  color: white;
  border-radius: var(--radius);
  font-size: 0.85rem;
  animation: toast-in 0.3s ease, toast-out 0.3s ease 1.7s forwards;
}

@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toast-out { from { opacity: 1; } to { opacity: 0; } }

.toast-success { background: #166534; }
.toast-error { background: #991b1b; }
.toast-info { background: #1e3a5f; }

/* Load more */
.load-more-container {
  text-align: center;
  padding: 20px 0;
}

.load-more-btn {
  padding: 10px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s;
}

.load-more-btn:hover { border-color: var(--accent); }

/* Responsive */
@media (max-width: 600px) {
  #app { padding: 12px; }
  .search-bar { flex-direction: column; }
  .search-bar button { padding: 12px; }
  .card-header { flex-wrap: wrap; }
}