/* Premium Admin Panel - Modern Dark Theme */

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

:root {
  /* Colors */
  --bg-dark: #0a0e1a;
  --bg-darker: #060914;
  --bg-card: #12172e;
  --bg-elevated: #1a2038;
  --bg-hover: #222944;
  
  /* Primary Colors */
  --primary: #6366f1;
  --primary-hover: #7c3aed;
  --primary-light: #818cf8;
  
  /* Accent Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  /* Text Colors */
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  /* Border */
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.3);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6);
  
  /* Transitions */
  --transition: all 0.2s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Layout */
.admin-wrapper {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: var(--bg-darker);
  border-right: 1px solid var(--border);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 700;
  transition: var(--transition);
}

.sidebar-brand:hover {
  color: var(--primary);
}

.brand-icon {
  font-size: 32px;
}

.sidebar-nav {
  padding: 16px;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 8px 16px;
  margin-bottom: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}

.nav-link:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  transform: translateX(4px);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.nav-icon {
  font-size: 18px;
  width: 20px;
  text-align: center;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: white;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 280px;
  min-height: 100vh;
  background: var(--bg-dark);
}

.top-bar {
  background: var(--bg-darker);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.top-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.content-wrapper {
  padding: 32px;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-elevated));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--primary), transparent);
  opacity: 0.1;
  border-radius: 50%;
  transform: translate(30%, -30%);
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.stat-change {
  font-size: 13px;
  color: var(--success);
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  background: var(--bg-elevated);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  border: none;
  color: white;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.btn-success {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* Tables */
.table-container {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
}

thead th {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 14px;
}

tbody tr {
  transition: var(--transition);
}

tbody tr:hover {
  background: var(--bg-elevated);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid var(--danger);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--info);
  border: 1px solid var(--info);
}

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

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Search Box */
.search-box {
  position: relative;
  max-width: 400px;
}

.search-box input {
  padding-left: 44px;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 18px;
  pointer-events: none;
}

/* Filters */
.filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

/* Pagination */
.pagination {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 24px;
}

/* Login Page */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: var(--bg-dark);
}

.login-box {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px;
  box-shadow: var(--shadow-xl);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-icon {
  font-size: 64px;
  margin-bottom: 16px;
}

.login-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.login-subtitle {
  color: var(--text-muted);
  font-size: 14px;
}

/* Alert */
.alert {
  padding: 14px 16px;
  border-radius: 8px;
  margin-bottom: 24px;
  font-size: 14px;
  font-weight: 500;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid var(--danger);
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid var(--success);
}

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .main-content {
    margin-left: 0;
  }
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}