:root {
  --bg-color: #0d1117;
  --bg-card: rgba(22, 27, 34, 0.75);
  --bg-card-hover: rgba(33, 38, 45, 0.9);
  --border-color: rgba(48, 54, 61, 0.8);
  --border-hover: rgba(99, 102, 241, 0.6);
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --success: #238636;
  --success-glow: rgba(35, 134, 54, 0.4);
  --warning: #d29922;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', var(--font-main);
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background Ambient Glow */
.glow-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 400px;
  background: radial-gradient(circle at 50% -20%, rgba(99, 102, 241, 0.18), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Header */
.header {
  border-bottom: 1px solid var(--border-color);
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.2rem;
  padding-bottom: 1.2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #4f46e5, #9333ea);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #ffffff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.stats-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  background: rgba(35, 134, 54, 0.15);
  border: 1px solid rgba(35, 134, 54, 0.3);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: #4ade80;
}

.stat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
}

.stat-dot.pulse {
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.header-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.header-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

/* Controls Section */
.controls-section {
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
  pointer-events: none;
}

#search-input {
  width: 100%;
  padding: 1rem 3.5rem 1rem 3.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  outline: none;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

#search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(22, 27, 34, 0.95);
}

.search-kbd {
  position: absolute;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: inherit;
  pointer-events: none;
}

.clear-btn {
  position: absolute;
  right: 3.2rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.4rem;
  font-size: 0.9rem;
}

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

/* Category Filter Chips */
.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.filter-chip:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

.filter-chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 2px 10px var(--accent-glow);
}

/* Category Section */
.category-group {
  margin-bottom: 2.5rem;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(48, 54, 61, 0.4);
}

.category-icon-wrapper {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.category-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.category-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

/* Service Grid */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

/* Service Card */
.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-light), transparent);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 0 15px var(--accent-glow);
}

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

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.9rem;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #cbd5e1;
  transition: var(--transition);
}

.service-card:hover .card-icon {
  background: rgba(99, 102, 241, 0.2);
  color: #fff;
  border-color: var(--accent-light);
  transform: scale(1.05);
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
}

.external-arrow {
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: var(--transition);
}

.service-card:hover .external-arrow {
  color: var(--accent-light);
  transform: translate(2px, -2px);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.card-domain {
  font-size: 0.8rem;
  font-family: monospace;
  color: var(--accent-light);
  margin-bottom: 0.5rem;
  display: inline-block;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: auto;
}

/* Loading & Empty States */
.loading-state,
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-secondary);
}

.loading-state i,
.empty-state i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.empty-state h3 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.btn-reset {
  margin-top: 1.2rem;
  padding: 0.6rem 1.2rem;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-reset:hover {
  background: var(--accent-light);
}

/* Footer */
.footer {
  margin-top: 4rem;
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .stats-bar {
    width: 100%;
    justify-content: space-between;
  }
  .search-kbd {
    display: none;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
}