@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  :root {
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f3f4f6;
    --surface-container: #e5e7eb;
    --surface-container-high: #d1d5db;
    --surface-container-highest: #9ca3af;
    
    --on-surface: #111827;
    --on-surface-variant: #4b5563;
    
    --outline-variant: #e5e7eb;
    --outline: #9ca3af;
    
    --primary: #3b82f6;
    --secondary: #8b5cf6;
    --tertiary: #ec4899;
    
    --surface: #ffffff;
  }

  .dark {
    --surface-container-lowest: #000000;
    --surface-container-low: rgba(255, 255, 255, 0.03);
    --surface-container: rgba(255, 255, 255, 0.05);
    --surface-container-high: rgba(255, 255, 255, 0.1);
    --surface-container-highest: rgba(255, 255, 255, 0.15);
    
    --on-surface: #ffffff;
    --on-surface-variant: #9ca3af;
    
    --outline-variant: rgba(255, 255, 255, 0.1);
    --outline: rgba(255, 255, 255, 0.2);
    
    --primary: #60a5fa;
    --secondary: #a78bfa;
    --tertiary: #f472b6;
    
    --surface: #030712;
  }
}

body {
  background-color: var(--surface);
  color: var(--on-surface);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Glassmorphism Classes */
.glass-nav {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.dark .glass-nav {
  background: rgba(3, 7, 18, 0.7);
}

.glass-card {
  background: var(--surface-container-low);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--outline-variant);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.dark .glass-card {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.glass-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--outline);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}
.dark .glass-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

/* Animated Primary Button */
.primary-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--tertiary), var(--primary));
  background-size: 300% 300%;
  animation: gradientMove 5s ease infinite;
}
@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Glowing Orbs */
.glowing-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  z-index: 0;
  opacity: 0.15;
  pointer-events: none;
  animation: float 15s infinite ease-in-out alternate;
}
.dark .glowing-orb {
  opacity: 0.25;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: var(--primary);
  top: -100px;
  left: -100px;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: var(--secondary);
  bottom: -200px;
  right: -100px;
  animation-delay: -5s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: var(--tertiary);
  top: 40%;
  left: 30%;
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -50px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
  100% { transform: translate(0, 0) scale(1); }
}

/* Utility for icons */
.icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--surface-container);
  color: var(--primary);
  margin-bottom: 16px;
  transition: all 0.3s ease;
}
.glass-card:hover .icon-container {
  background: var(--primary);
  color: white;
  transform: scale(1.1) rotate(5deg);
}

/* Material Symbols Adjustments */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* Hide light icon in light mode, dark icon in dark mode */
.dark .light-icon { display: none; }
.dark .dark-icon { display: block; }
:not(.dark) .light-icon { display: block; }
:not(.dark) .dark-icon { display: none; }