/**
 * Admin Dashboard Styles
 */

.admin-page {
    min-height: 100vh;
    background: var(--bg-base);
}

.admin-header {
    background: var(--bg-elevated);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-default);
}

.admin-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-header-left h1 {
    font-size: 1.3rem;
    color: var(--fg-default);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-header-left h1 i {
    color: var(--accent);
}

.back-link {
    color: var(--fg-muted);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s;
}

.back-link:hover {
    background: var(--bg-subtle);
    color: var(--fg-default);
}

.admin-content {
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-elevated);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-default);
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.stat-card-header i {
    font-size: 1.5rem;
    color: var(--accent);
}

.stat-card-title {
    font-size: 0.85rem;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--fg-default);
}

.stat-card-change {
    font-size: 0.85rem;
    margin-top: 8px;
}

.stat-card-change.positive { color: var(--success); }
.stat-card-change.negative { color: var(--danger); }

/* Tabs */
.admin-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-default);
    padding-bottom: 12px;
}

.admin-tab {
    padding: 10px 20px;
    background: transparent;
    border: none;
    color: var(--fg-muted);
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-tab:hover {
    background: var(--bg-subtle);
    color: var(--fg-default);
}

.admin-tab.active {
    background: var(--accent);
    color: white;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Table */
.admin-table-container {
    background: var(--bg-elevated);
    border-radius: 12px;
    border: 1px solid var(--border-default);
    overflow: hidden;
}

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

.table-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--fg-default);
}

.table-search {
    display: flex;
    align-items: center;
    gap: 12px;
}

.table-search input {
    padding: 8px 14px;
    background: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--fg-default);
    width: 250px;
    font-size: 0.9rem;
}

.table-search input:focus {
    outline: none;
    border-color: var(--accent);
}

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

.admin-table th,
.admin-table td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-default);
}

.admin-table th {
    background: var(--bg-subtle);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--fg-muted);
    font-weight: 600;
}

.admin-table td {
    color: var(--fg-default);
    font-size: 0.9rem;
}

.admin-table tr:hover {
    background: var(--bg-subtle);
}

/* User Status Badge */
.status-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.active {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.status-badge.inactive {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.role-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.role-badge.admin {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}

.role-badge.user {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
}

/* Actions */
.action-btn {
    padding: 6px 12px;
    background: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: 6px;
    color: var(--fg-muted);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
    margin-right: 4px;
}

.action-btn:hover {
    background: var(--bg-subtle);
    color: var(--fg-default);
}

.action-btn.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

/* Activity Feed */
.activity-feed {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.activity-item {
    padding: 16px 20px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    border-bottom: 1px solid var(--border-default);
    transition: background 0.2s;
}

.activity-item:hover {
    background: var(--bg-subtle);
}

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon.login {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.activity-icon.register {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
}

.activity-icon.trade {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.activity-icon.settings {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}

.activity-content {
    flex: 1;
}

.activity-text {
    color: var(--fg-default);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.activity-text strong {
    color: var(--accent);
}

.activity-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--fg-subtle);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    border-top: 1px solid var(--border-default);
}

.pagination-btn {
    padding: 8px 14px;
    background: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: 6px;
    color: var(--fg-muted);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--bg-subtle);
    color: var(--fg-default);
}

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

.pagination-info {
    color: var(--fg-muted);
    font-size: 0.85rem;
    margin: 0 12px;
}

/* Filter dropdown */
.filter-dropdown {
    padding: 8px 14px;
    background: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--fg-default);
    font-size: 0.9rem;
    cursor: pointer;
}

.filter-dropdown:focus {
    outline: none;
    border-color: var(--accent);
}

/* Loading */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--fg-muted);
}

.loading-spinner i {
    font-size: 2rem;
    animation: adminSpin 1s linear infinite;
}

@keyframes adminSpin {
    to { transform: rotate(360deg); }
}

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

.admin-page .empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.admin-page .empty-state p {
    margin: 0;
    font-size: 1rem;
}

/* Admin Modal Overrides */
.admin-page .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.admin-page .modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.admin-page .modal {
    background: var(--bg-elevated);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s;
}

.admin-page .modal-overlay.show .modal {
    transform: scale(1);
}

.admin-page .modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-default);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 16px 16px 0 0;
}

.admin-page .modal-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--fg-default);
}

.admin-page .modal-close {
    background: none;
    border: none;
    color: var(--fg-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
}

.admin-page .modal-close:hover {
    color: var(--fg-default);
}

.admin-page .modal-body {
    padding: 20px;
}

.admin-page .modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-default);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    border-radius: 0 0 16px 16px;
}

.modal-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-btn.secondary {
    background: var(--bg-base);
    border: 1px solid var(--border-default);
    color: var(--fg-default);
}

.modal-btn.secondary:hover {
    background: var(--bg-subtle);
}

.modal-btn.primary {
    background: var(--accent);
    border: 1px solid var(--accent);
    color: white;
}

.modal-btn.primary:hover {
    filter: brightness(1.1);
}

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

.modal-btn.danger:hover {
    filter: brightness(1.1);
}

/* Form in modal */
.modal-form-group {
    margin-bottom: 16px;
}

.modal-form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    color: var(--fg-muted);
}

.modal-form-group select,
.modal-form-group input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--fg-default);
    font-size: 0.95rem;
}

.modal-form-group select:focus,
.modal-form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .table-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .table-search input {
        width: 100%;
    }

    .admin-table {
        display: block;
        overflow-x: auto;
    }
}