/* GAN Admin Panel - Styles */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #1e1e2d;
    --sidebar-bg: #151521;
    --card-bg: #1e1e2d;
    --dark-bg: #0d0d14;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --border-color: #374151;
    --input-bg: #252535;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Login Screen */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary) 100%);
    padding: 20px;
}

.login-container {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.admin-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
}

.admin-logo.small {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    font-size: 18px;
}

.login-header h1 {
    font-size: 24px;
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 10px;
    color: var(--primary-light);
}

.setup-note {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

.btn-primary {
    width: 100%;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    padding: 12px 24px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background: var(--border-color);
}

.forgot-link {
    display: block;
    text-align: center;
    margin-top: 16px;
    color: var(--primary-light);
    text-decoration: none;
    font-size: 14px;
}

.forgot-link:hover {
    text-decoration: underline;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 12px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo-text {
    font-weight: 700;
    font-size: 18px;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
    border-left-color: var(--primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.admin-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
}

.logout-btn {
    background: rgba(239, 68, 68, 0.1);
    border: none;
    padding: 10px;
    border-radius: 8px;
    color: var(--danger);
    cursor: pointer;
    transition: background 0.2s;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
    min-height: 100vh;
}

.tab-content {
    animation: fadeIn 0.3s ease;
}

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

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
}

.page-header p {
    color: var(--text-secondary);
    margin-top: 4px;
}

.header-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    padding: 10px 12px 10px 38px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    width: 250px;
}

.filter-select {
    padding: 10px 16px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-card.users .stat-icon { background: rgba(99, 102, 241, 0.15); color: var(--primary-light); }
.stat-card.tournaments .stat-icon { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.stat-card.tokens .stat-icon { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.stat-card.revenue .stat-icon { background: rgba(59, 130, 246, 0.15); color: var(--info); }

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.dashboard-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
}

.dashboard-card h3 {
    font-size: 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.dashboard-card h3 i {
    color: var(--primary-light);
}

/* Mini Stats */
.user-stats, .wallet-stats, .payment-stats, .rewards-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.mini-stat {
    background: var(--card-bg);
    padding: 16px 24px;
    border-radius: 10px;
    text-align: center;
}

.mini-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-light);
}

.mini-stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.stat-card-sm {
    background: var(--card-bg);
    padding: 20px 24px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    min-width: 200px;
}

.stat-card-sm i {
    font-size: 24px;
    color: var(--primary-light);
}

.stat-card-sm h3 {
    font-size: 20px;
    font-weight: 700;
}

.stat-card-sm p {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Data Tables */
.data-table-container {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: rgba(99, 102, 241, 0.1);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.data-table tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

.data-table td {
    font-size: 14px;
}

.mini-table {
    font-size: 14px;
}

.mini-table-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.mini-table-row:last-child {
    border-bottom: none;
}

/* Status Badges */
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-active, .badge-completed { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-pending, .badge-upcoming { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-blocked, .badge-failed, .badge-cancelled { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-verified, .badge-registration_open { background: rgba(59, 130, 246, 0.15); color: var(--info); }

/* Action Buttons */
.action-btn {
    padding: 6px 10px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 12px;
    margin-right: 6px;
    transition: transform 0.2s;
}

.action-btn:hover {
    transform: scale(1.05);
}

.action-btn.view { background: rgba(59, 130, 246, 0.15); color: var(--info); }
.action-btn.edit { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.action-btn.block { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.action-btn.unblock { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.action-btn.add { background: rgba(99, 102, 241, 0.15); color: var(--primary-light); }
.action-btn.delete { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

/* Tournaments Grid */
.tournament-filters {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tournaments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.tournament-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.tournament-banner {
    height: 140px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tournament-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tournament-banner i {
    font-size: 48px;
    opacity: 0.3;
}

.tournament-info {
    padding: 20px;
}

.tournament-info h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.tournament-meta {
    display: flex;
    gap: 16px;
    margin: 12px 0;
    flex-wrap: wrap;
}

.tournament-meta span {
    font-size: 12px;
    color: var(--text-secondary);
}

.tournament-meta span i {
    color: var(--primary-light);
    margin-right: 4px;
}

.tournament-prizes {
    display: flex;
    gap: 10px;
    margin: 12px 0;
}

.prize-badge {
    padding: 4px 8px;
    background: rgba(245, 158, 11, 0.15);
    border-radius: 4px;
    font-size: 11px;
    color: var(--warning);
}

.tournament-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content.large {
    max-width: 700px;
}

.modal-content.small {
    max-width: 400px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 18px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    padding: 8px;
}

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

.modal-body {
    padding: 24px;
}

.modal form {
    padding: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.modal-actions .btn-primary {
    width: auto;
}

/* Leaderboard Section */
.leaderboard-section h2 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.leaderboard-section h2 i {
    color: var(--warning);
}

/* User Detail Modal Content */
.user-detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.user-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.user-detail-info h3 {
    font-size: 18px;
}

.user-detail-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

.user-detail-section {
    margin-bottom: 20px;
}

.user-detail-section h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
}

.user-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.user-detail-item {
    background: var(--input-bg);
    padding: 12px;
    border-radius: 8px;
}

.user-detail-item label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.user-detail-item span {
    font-size: 14px;
    font-weight: 500;
}

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

.pagination button {
    padding: 8px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
}

.pagination button.active {
    background: var(--primary);
    border-color: var(--primary);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 2000;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); }
.toast.info { background: var(--info); }

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        width: 70px;
    }
    
    .sidebar-header .logo-text,
    .nav-item span,
    .admin-info span {
        display: none;
    }
    
    .sidebar-header {
        justify-content: center;
    }
    
    .main-content {
        margin-left: 70px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        padding: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}