:root {
  --background: #060b19;
  --on-background: #e2e8f0;
  --surface: #0a1329;
  --on-surface: #f1f5f9;
  --surface-variant: #1e293b;
  --on-surface-variant: #94a3b8;
  --primary: #3b82f6;
  --on-primary: #ffffff;
  --primary-container: #1e3a8a;
  --on-primary-container: #60a5fa;
  --secondary: #64748b;
  --tertiary: #f59e0b;
  --outline: #475569;
  --outline-variant: #1e293b;
  --navy-900: #051024;
  --navy-800: #0b1a38;
  --on-navy: #ffffff;
  --surface-container-high: #1e293b;
  --surface-container-highest: #334155;
}

/* Ensure html.dark follows variables */
html.dark {
  --background: #060b19;
  --on-background: #e2e8f0;
  --surface: #0a1329;
  --on-surface: #f1f5f9;
  --navy-900: #051024;
  --navy-800: #0b1a38;
  --on-navy: #ffffff;
}

body.light-mode, html:not(.dark) body {
  --background: #f8fafc;
  --on-background: #0f172a;
  --surface: #ffffff;
  --on-surface: #0f172a;
  --surface-variant: #eeeff3;
  --on-surface-variant: #475569;
  --primary: #1d4ed8;
  --on-primary: #ffffff;
  --primary-container: #dbeafe;
  --on-primary-container: #1e40af;
  --secondary: #64748b;
  --tertiary: #d97706;
  --outline: #cbd5e1;
  --outline-variant: #f1f5f9;
  --navy-900: #ffffff;
  --navy-800: #f1f5f9;
  --on-navy: #0f172a;
  --surface-container-high: #f1f5f9;
  --surface-container-highest: #e2e8f0;
}

body {
  background: var(--background);
  color: var(--on-background);
  transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
  animation: mesh 20s linear infinite;
  z-index: -1;
  pointer-events: none;
}

body.light-mode::before {
  background: radial-gradient(circle at center, rgba(30, 64, 175, 0.03) 0%, transparent 50%);
}

@keyframes mesh {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hero-card {
  background:
    linear-gradient(90deg, var(--background), transparent),
    url("https://images.unsplash.com/photo-1465447142348-e9952c393450?auto=format&fit=crop&w=1800&q=80")
      center / cover no-repeat;
}

.glass-card {
  background: rgba(10, 19, 41, 0.65);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  transform: translateY(-8px);
  border: 1px solid rgba(59, 130, 246, 0.3);
  box-shadow: 0 12px 48px 0 rgba(0, 0, 0, 0.5), 0 0 20px rgba(59, 130, 246, 0.1);
}

body.light-mode .glass-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: 0 10px 40px -10px rgba(31, 38, 135, 0.1);
}

body.light-mode .glass-card:hover {
  border: 1px solid rgba(29, 78, 216, 0.25);
  box-shadow: 0 15px 50px -12px rgba(31, 38, 135, 0.15);
}

.modal-bg {
  background: rgba(6, 12, 26, 0.75);
  backdrop-filter: blur(6px);
}

.admin-wrap {
  min-height: 100vh;
  background: radial-gradient(circle at 20% 0%, #17233d 0%, #0b1326 55%);
}

body.light-mode .admin-wrap {
  background: radial-gradient(circle at 20% 0%, #eef4f9 0%, #f4f8fc 55%);
}

.text-gradient {
  background: linear-gradient(to right, #93ccff, #66bbfe);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.light-mode .text-gradient {
  background: linear-gradient(to right, #1e5ab1, #2f7aa5);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Custom Input Styles */
input, textarea, select {
  background-color: var(--surface) !important;
  color: var(--on-surface) !important;
  border: 1px solid var(--outline-variant) !important;
  transition: all 0.2s ease;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 2px var(--primary-container) !important;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--on-primary);
  font-weight: bold;
  padding: 0.5rem 1.5rem;
  border-radius: 0.75rem;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: scale(0.98);
  filter: brightness(1.1);
}

/* Nav Visibility Fixes */
.nav-desktop-only {
  display: none !important;
}

.nav-mobile-only {
  display: flex !important;
}

@media (min-width: 1024px) {
  .nav-desktop-only {
    display: flex !important;
  }
  .nav-mobile-only {
    display: none !important;
  }
}

.line-clamp-custom {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  line-clamp: 3;
  overflow: hidden;
}