.gradient-text {
 background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
 -webkit-background-clip: text;
 -webkit-text-fill-color: transparent;
 background-clip: text;
}
.dark .gradient-text {
 background: linear-gradient(135deg, #00ffff 0%, #ff00ff 100%);
 -webkit-background-clip: text;
 -webkit-text-fill-color: transparent;
 background-clip: text;
}
.glass {
 background: rgba(255, 255, 255, 0.7);
 backdrop-filter: blur(10px);
}
.dark .glass {
 background: rgba(15, 23, 42, 0.7);
}
.glow {
 box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}
.dark .glow {
 box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}
.model-card {
 transition: all 0.3s ease;
}
.model-card:hover {
 transform: translateY(-4px);
}
.dark .model-card:hover {
 box-shadow: 0 0 40px rgba(0, 255, 255, 0.15);
}
#llm-page-nav { display: block; }
.layer-card {
 transition: all 0.3s ease;
}
.layer-card:hover {
 transform: translateY(-4px);
}
.dark .layer-card:hover {
 box-shadow: 0 0 40px rgba(0, 255, 255, 0.15);
}
.spec-item {
 animation: specFade 0.6s ease-out;
}
@keyframes specFade {
 from { opacity: 0; transform: translateY(10px); }
 to { opacity: 1; transform: translateY(0); }
}