:root {
  /* Premium Dark Scifi Theme */
  --bg-dark: #07090f;
  --bg-card: rgba(18, 22, 33, 0.7);
  --primary-color: #00f0ff;
  --secondary-color: #ff003c;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --glass-border: rgba(255, 255, 255, 0.08);
  --accent-glow: 0 0 15px rgba(0, 240, 255, 0.4);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(0, 240, 255, 0.05), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(255, 0, 60, 0.05), transparent 25%);
  background-attachment: fixed;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: color 0.3s ease;
}

a:hover {
  text-shadow: var(--accent-glow);
}

/* Header & Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 0;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo .highlight {
  color: var(--primary-color);
  text-shadow: var(--accent-glow);
}

/* Filtering Bar */
.filters {
  display: flex;
  gap: 1rem;
  padding: 1.5rem 0;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
}
.filters::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary-color);
  color: #000;
  box-shadow: var(--accent-glow);
  border-color: var(--primary-color);
}

/* Main Grid */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

/* Model Card (Glassmorphism) */
.model-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
  will-change: transform;
}

.model-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.5), 0 0 15px rgba(0, 240, 255, 0.2);
  border-color: rgba(0, 240, 255, 0.3);
}

.thumbnail-wrapper {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.model-card:hover .thumbnail {
  transform: scale(1.05);
}

.status-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(255,255,255,0.1);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.favorite-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.1);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.favorite-btn svg {
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  transition: all 0.3s ease;
}

.favorite-btn.saved svg {
  fill: var(--secondary-color);
  stroke: var(--secondary-color);
  filter: drop-shadow(0 0 5px var(--secondary-color));
}

.favorite-btn:hover {
  background: rgba(0,0,0,0.8);
  transform: scale(1.1);
}

.card-content {
  padding: 1.25rem;
}

.model-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.model-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-age {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
  height: 38px;
  overflow: hidden;
}

.tag {
  background: rgba(255,255,255,0.05);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-primary {
  display: block;
  width: 100%;
  padding: 0.8rem;
  background: linear-gradient(90deg, #00f0ff, #0080ff);
  color: #000;
  text-align: center;
  font-weight: 700;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: linear-gradient(90deg, #0ce6f2, #1a8cff);
  color: #fff;
  box-shadow: 0 5px 15px rgba(0, 128, 255, 0.4);
}

/* Banners */
.banner-container {
  margin: 2rem 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
}
.banner-container img {
  width: 100%;
  height: auto;
  display: block;
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid var(--glass-border);
  margin-top: 4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .models-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
  }
  .card-content {
    padding: 0.8rem;
  }
  .model-name {
    font-size: 1rem;
  }
  .btn-primary {
    font-size: 0.8rem;
    padding: 0.6rem;
  }
}