@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-highlight: rgba(255, 255, 255, 0.15);
  --primary: #60a5fa;
  --primary-glow: rgba(96, 165, 250, 0.3);
  --danger: #f87171;
  --success: #34d399;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --bg: #0a0a0f;
  --bg-elevated: rgba(15, 15, 25, 0.6);
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Animated mesh gradient background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(96,165,250,0.12) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139,92,246,0.1) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 100%, rgba(236,72,153,0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Liquid Glass Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  background: linear-gradient(180deg, rgba(15,15,25,0.7) 0%, rgba(15,15,25,0.4) 100%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.navbar .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo svg {
  filter: drop-shadow(0 0 12px var(--primary-glow));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.nav-links a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02));
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s;
}

.nav-links a:hover::before { opacity: 1; }

.nav-links a:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.nav-links a.active {
  color: var(--primary);
  background: rgba(96,165,250,0.1);
  box-shadow: 0 0 20px rgba(96,165,250,0.15);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Page Header */
.page-header {
  text-align: center;
  padding: 80px 24px 60px;
  position: relative;
}

.page-header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.page-header p {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
}

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

/* Resource Grid */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  padding: 20px 0 80px;
}

/* Liquid Glass Card */
.resource-card {
  position: relative;
  padding: 28px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--glass-border);
  box-shadow:
    0 8px 32px rgba(0,0,0,0.3),
    inset 0 1px 0 rgba(255,255,255,0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.resource-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
}

.resource-card:hover {
  transform: translateY(-4px) scale(1.01);
  border-color: rgba(255,255,255,0.15);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.4),
    0 0 40px rgba(96,165,250,0.1),
    inset 0 1px 0 rgba(255,255,255,0.15);
}

.resource-card h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.resource-card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 14px;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(59,130,246,0.3), 0 0 0 1px rgba(255,255,255,0.1) inset;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59,130,246,0.4), 0 0 0 1px rgba(255,255,255,0.15) inset;
}

.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(16,185,129,0.3), 0 0 0 1px rgba(255,255,255,0.1) inset;
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(16,185,129,0.4);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-outline {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--glass-border);
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-outline:hover {
  border-color: var(--glass-highlight);
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

/* Turnstile container */
.turnstile-wrap {
  margin-top: 16px;
  min-height: 65px;
  display: flex;
  justify-content: center;
}

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

.loading-card {
  background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 24px;
  height: 180px;
}

/* Form styles */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dim);
}

.form-group input {
  width: 100%;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(10px);
  color: var(--text);
  font-size: 1rem;
  transition: all 0.3s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(96,165,250,0.15), 0 0 20px rgba(96,165,250,0.1);
  background: rgba(255,255,255,0.05);
}

.form-group input::placeholder {
  color: rgba(148,163,184,0.4);
}

/* Admin panel */
.admin-panel {
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.02) 100%);
  backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 32px;
  margin: 24px 0;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.admin-panel h3 {
  margin-bottom: 20px;
  font-size: 1.2rem;
  color: #fff;
}

/* Resource list item in admin */
.admin-resource-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  margin-bottom: 12px;
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s;
}

.admin-resource-item:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--glass-border);
  transform: translateX(4px);
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  padding: 16px 24px;
  border-radius: 16px;
  backdrop-filter: blur(20px);
  background: linear-gradient(135deg, rgba(16,185,129,0.9), rgba(5,150,105,0.9));
  color: white;
  font-weight: 500;
  box-shadow: 0 10px 40px rgba(16,185,129,0.3);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.error {
  background: linear-gradient(135deg, rgba(239,68,68,0.9), rgba(220,38,38,0.9));
  box-shadow: 0 10px 40px rgba(239,68,68,0.3);
}

/* Utility */
.hidden { display: none !important; }

/* Spinner */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Responsive */
@media (max-width: 640px) {
  .resource-grid { grid-template-columns: 1fr; }
  .page-header { padding: 60px 20px 40px; }
  .navbar .container { padding: 0 16px; }
  .nav-links a { padding: 6px 12px; font-size: 0.85rem; }
}