:root {
  --primary: #00ff88;
  --primary-glow: rgba(0, 255, 136, 0.4);
  --secondary: #00d4ff;
  --bg-dark: #0a0c10;
  --bg-card: rgba(25, 30, 40, 0.7);
  --text-main: #f0f2f5;
  --text-muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(15, 20, 30, 0.8);
  --glass-border: rgba(255, 255, 255, 0.08);
  --error: #ff4757;
  --success: #2ed573;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 50% -20%, #1a2a3a, transparent),
    radial-gradient(circle at 0% 100%, #0d1520, transparent);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Glassmorphism Utility */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes glow {
  0% { box-shadow: 0 0 5px var(--primary-glow); }
  50% { box-shadow: 0 0 20px var(--primary-glow); }
  100% { box-shadow: 0 0 5px var(--primary-glow); }
}

.animate-fade {
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Typography */
h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #fff, var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--primary);
  color: #000;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Cards */
.card {
  padding: 24px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px; /* Added for horizontal scrollbar */
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

.image-gallery::-webkit-scrollbar {
  display: none;
}
.image-gallery {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Layout Utilities */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 32px;
}

.main-nav {
  background: #12161f;
  padding: 16px 32px;
  border-bottom: 1px solid var(--glass-border);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
}

.nav-tabs {
  display: flex;
  gap: 12px;
  align-items: center;
}

.nav-btn {
  background: rgba(255,255,255,0.05);
  color: #fff;
  border: 1px solid transparent;
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}

.nav-btn.active {
  background: var(--primary);
  color: #000;
  border: 2px solid #fff;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-user-info {
  text-align: right;
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.admin-tabs-container {
  display: flex;
  background: rgba(255,255,255,0.05);
  padding: 6px;
  border-radius: 12px;
  gap: 6px;
  border: 1px solid var(--glass-border);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .main-nav {
    grid-template-columns: auto auto;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
  }
  
  .nav-tabs-wrapper {
    grid-column: 1 / -1;
    overflow-x: auto;
    padding-bottom: 8px; /* space for scroll bar */
    margin: 0 -16px;
    padding-left: 16px;
    padding-right: 16px;
  }
  
  .nav-user-info {
    display: none; /* hide on small screens to save space */
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .view-header {
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
    margin-bottom: 24px;
  }

  .admin-tabs-container {
    overflow-x: auto;
  }

  h1 { font-size: 2rem !important; }
  h2 { font-size: 1.8rem !important; }

  .modal-content {
    width: 95% !important;
    padding: 24px !important;
    max-height: 90vh;
    overflow-y: auto;
  }

  .btn {
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  .hide-on-mobile {
    display: none !important;
  }
  
  .responsive-flex-col {
    flex-direction: column !important;
    align-items: stretch !important;
  }
}