:root {
  --orange: #FF6B00;
  --orange-light: #FF8C38;
  --dark: #0d0d0d;
  --dark2: #1a1a1a;
  --dark3: #242424;
  --card-bg: #1e1e1e;
  --border: #333;
  --text: #e0e0e0;
  --muted: #888;
  --red: #e74c3c;
}

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

body {
  font-family: 'Segoe UI', sans-serif;
  background: var(--dark);
  color: var(--text);
  min-height: 100vh;
}

/* Header */
header {
  background: linear-gradient(135deg, #0d0d0d 0%, #1a0a00 100%);
  border-bottom: 2px solid var(--orange);
  padding: 20px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(255,107,0,0.2);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  font-size: 40px;
  filter: drop-shadow(0 0 12px var(--orange));
}

.logo h1 {
  font-size: 24px;
  font-weight: 800;
  color: var(--orange);
  letter-spacing: 1px;
  text-shadow: 0 0 20px rgba(255,107,0,0.5);
}

.logo p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.search-box input {
  background: var(--dark3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 24px;
  font-size: 14px;
  width: 260px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,107,0,0.15);
}

/* Main */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.filter-btn {
  background: var(--dark3);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.filter-btn.active {
  background: var(--orange);
  border-color: var(--orange);
  color: #000;
  font-weight: 700;
}

/* Stats */
.stats {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

.stats span {
  color: var(--orange);
  font-weight: 700;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

/* Card */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--orange);
  opacity: 0;
  transition: opacity 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--orange);
  box-shadow: 0 8px 24px rgba(255,107,0,0.2);
}

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

.card-cat {
  display: inline-block;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(255,107,0,0.15);
  color: var(--orange);
  border: 1px solid rgba(255,107,0,0.3);
  margin-bottom: 10px;
  font-weight: 600;
}

.card-name {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.card-note {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-link {
  margin-top: 12px;
  font-size: 12px;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 5px;
  opacity: 0.8;
}

.card-link::after {
  content: '→';
  transition: transform 0.2s;
}

.card:hover .card-link::after {
  transform: translateX(4px);
}

/* Empty */
.empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px;
  color: var(--muted);
}

.empty-icon { font-size: 48px; margin-bottom: 12px; }

/* Footer */
footer {
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

/* Responsive */
@media (max-width: 600px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .search-box input { width: 100%; }
  .grid { grid-template-columns: 1fr; }
}