:root {
  --brand-50: #eef2ff;
  --brand-100: #e0e7ff;
  --brand-200: #c7d2fe;
  --brand-300: #a5b4fc;
  --brand-400: #818cf8;
  --brand-500: #6366f1;
  --brand-600: #4f46e5;
  --brand-700: #4338ca;
  --brand-800: #3730a3;
  --brand-900: #312e81;
  --brand-950: #1e1b4b;
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: #f8fafc;
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animated gradient background */
.animated-gradient {
  background: linear-gradient(-45deg, #eef2ff, #faf5ff, #fdf2f8, #f0f9ff);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Mesh gradient hero */
.mesh-bg {
  background-color: #f8fafc;
  background-image:
    radial-gradient(at 20% 20%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 80% 0%, rgba(168, 85, 247, 0.12) 0px, transparent 50%),
    radial-gradient(at 0% 80%, rgba(236, 72, 153, 0.08) 0px, transparent 50%),
    radial-gradient(at 80% 80%, rgba(14, 165, 233, 0.08) 0px, transparent 50%);
}

/* Card hover */
.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.1);
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Fade in animation */
.fade-in {
  animation: fadeIn 0.6s ease forwards;
  opacity: 0;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Slide in */
.slide-in {
  animation: slideIn 0.4s ease forwards;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Pulse dot */
.pulse-dot {
  position: relative;
}
.pulse-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: inherit;
  animation: pulse 2s ease-in-out infinite;
  opacity: 0.5;
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(2); opacity: 0; }
}

/* Number counter */
.counter {
  font-variant-numeric: tabular-nums;
}

/* Toggle switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #cbd5e1;
  border-radius: 24px;
  transition: 0.3s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: 0.3s;
}
input:checked + .toggle-slider {
  background: var(--brand-600);
}
input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* Sidebar active link */
.nav-link.active {
  background: var(--brand-50);
  color: var(--brand-700);
  font-weight: 600;
}
.nav-link.active .nav-icon {
  color: var(--brand-600);
}

/* Table row hover */
tbody tr {
  transition: background 0.15s ease;
}
tbody tr:hover {
  background: #f8fafc;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
}

/* Loading shimmer */
.shimmer {
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Mobile sidebar overlay */
.sidebar-overlay {
  display: none;
}
.sidebar-overlay.active {
  display: block;
}

@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    left: -280px;
    z-index: 50;
    transition: left 0.3s ease;
  }
  .sidebar.open {
    left: 0;
  }
  .main-content {
    margin-left: 0 !important;
  }
}