:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #f8fafc;
  --text-dark: #1e293b;
  --text-light: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--secondary-color);
  color: var(--text-dark);
  line-height: 1.6;
}

/* Glassmorphism utilities */
.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
  border-radius: 1rem;
}

/* Animations */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Gradients */
.text-gradient {
  background: linear-gradient(90deg, var(--primary-color), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary-color), #3b82f6);
}

/* Custom Buttons */
.btn-premium {
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50px;
  padding: 0.75rem 2rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}
.btn-premium:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
  color: white;
}

/* Feature Cards */
.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 15px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* Admin Dashboard Specifics */
.admin-sidebar {
  min-height: 100vh;
  background: white;
  box-shadow: 2px 0 10px rgba(0,0,0,0.05);
}
.stat-card {
  border: none;
  border-radius: 15px;
  padding: 1.5rem;
}
.stat-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}