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

:root {
  /* Primary Colors */
  --primary: #6B8EFF;
  --primary-light: #A3BFFF;
  --primary-dark: #4A6FDB;

  /* Dark Theme Colors */
  --bg-black: #000000;
  --bg-dark-1: #050505;
  --bg-dark-2: #080808;
  --bg-dark-3: #0A0A0A;
  --bg-card: rgba(15, 15, 15, 0.9);

  /* Text Colors */
  --text-white: #FFFFFF;
  --text-light: #B8BCC8;
  --text-muted: #6B7280;
  --text-dim: #4B5563;

  /* Status Colors */
  --success: #10B981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #F59E0B;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #EF4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --info: #3B82F6;
  --info-bg: rgba(59, 130, 246, 0.1);

  /* Borders & Shadows */
  --border-subtle: rgba(107, 142, 255, 0.1);
  --border-light: rgba(107, 142, 255, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: all 0.2s ease;
  --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-black);
  color: var(--text-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 300;
  line-height: 1.2;
  color: var(--text-white);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  color: var(--text-light);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary);
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Header */
.admin-header {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-header .header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.admin-header h1 {
  font-size: 1.25rem;
  font-weight: 500;
  margin: 0;
  color: var(--text-white);
}

.admin-header .header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.admin-header .user-info {
  color: var(--text-light);
  font-size: 0.875rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-light);
  box-shadow: 0 10px 30px rgba(107, 142, 255, 0.1);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(107, 142, 255, 0.15);
}

.stat-value {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: var(--space-sm);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Buttons */
.btn {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border: 1px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(107, 142, 255, 0.3);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--text-light);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(107, 142, 255, 0.1);
  border-color: var(--border-light);
  color: var(--text-white);
}

.btn-success {
  background: var(--success);
  color: white;
  border: 1px solid transparent;
}

.btn-success:hover {
  background: #059669;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
  color: white;
}

.btn-warning {
  background: var(--warning);
  color: white;
  border: 1px solid transparent;
}

.btn-warning:hover {
  background: #D97706;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
  color: white;
}

.btn-danger {
  background: var(--danger);
  color: white;
  border: 1px solid transparent;
}

.btn-danger:hover {
  background: #DC2626;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
  color: white;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light);
}

.form-input,
.form-select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: rgba(20, 20, 20, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-white);
  font-size: 0.875rem;
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(20, 20, 25, 0.8);
  box-shadow: 0 0 0 3px rgba(107, 142, 255, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

/* Tables */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

thead {
  background: rgba(10, 10, 10, 0.5);
}

th {
  padding: var(--space-md);
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

td {
  padding: var(--space-md);
  border-bottom: 1px solid rgba(107, 142, 255, 0.05);
  color: var(--text-light);
  font-size: 0.875rem;
}

tbody tr:hover {
  background: rgba(107, 142, 255, 0.05);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(107, 142, 255, 0.1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-light);
}

.badge-success {
  background: var(--success-bg);
  border-color: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-bg);
  border-color: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.badge-danger {
  background: var(--danger-bg);
  border-color: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

/* Status */
.status-active {
  color: var(--success);
  font-weight: 500;
}

.status-inactive {
  color: var(--text-muted);
}

/* Alerts */
.alert {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
}

.alert-success {
  background: var(--success-bg);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.alert-warning {
  background: var(--warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--warning);
}

.alert-danger {
  background: var(--danger-bg);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

.alert-info {
  background: var(--info-bg);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--info);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.modal-content {
  background: var(--bg-card);
  margin: 3% auto;
  padding: var(--space-2xl);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 800px;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-white);
}

.close {
  color: var(--text-muted);
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition);
}

.close:hover {
  color: var(--text-white);
}

/* Loading */
.spinner {
  border: 3px solid var(--border-subtle);
  border-top: 3px solid var(--primary);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

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

/* Tier Badges */
.tier-badge {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 600;
}

.tier-explorer { background: rgba(30, 58, 138, 0.2); color: #93C5FD; border: 1px solid rgba(147, 197, 253, 0.3); }
.tier-navigator { background: rgba(20, 83, 45, 0.2); color: #86EFAC; border: 1px solid rgba(134, 239, 172, 0.3); }
.tier-strategist { background: rgba(146, 64, 14, 0.2); color: #FCD34D; border: 1px solid rgba(252, 211, 77, 0.3); }
.tier-operator { background: rgba(88, 28, 135, 0.2); color: #E9D5FF; border: 1px solid rgba(233, 213, 255, 0.3); }
.tier-architect { background: rgba(136, 19, 55, 0.2); color: #FBCFE8; border: 1px solid rgba(251, 207, 232, 0.3); }
.tier-master { background: rgba(133, 77, 14, 0.2); color: #FDE68A; border: 1px solid rgba(253, 230, 138, 0.3); }
.tier-oracle { background: linear-gradient(135deg, rgba(79, 70, 229, 0.3), rgba(167, 139, 250, 0.3)); color: #C4B5FD; border: 1px solid rgba(196, 181, 253, 0.3); }

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }
.gap-3 { gap: var(--space-lg); }

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.p-1 { padding: var(--space-sm); }
.p-2 { padding: var(--space-md); }
.p-3 { padding: var(--space-lg); }
.p-4 { padding: var(--space-xl); }

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }

  .admin-header .header-content {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1.125rem; }
}