/* Admin CSS */
:root {
    --admin-sidebar-width: 260px;
    --admin-topbar-height: 70px;
    --primary-color: #0066cc;
    --secondary-color: #00a8e8;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --dark-color: #2c3e50;
    --border-color: #dee2e6;
    --sidebar-bg: #2c3e50;
    --sidebar-active: #34495e;
}

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

.admin-body {
    font-family: 'Roboto', sans-serif;
    background-color: #f8f9fa;
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: var(--admin-sidebar-width);
    background-color: var(--sidebar-bg);
    color: white;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 1000;
    transition: 0.3s;
}

.sidebar-header {
    padding: 25px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.sidebar-header h2 {
    font-size: 1.5rem;
}

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

.nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 25px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: 0.3s;
    cursor: pointer;
}

.nav-item:hover {
    background-color: var(--sidebar-active);
    color: white;
}

.nav-item.active {
    background-color: var(--primary-color);
    color: white;
}

.nav-item i {
    font-size: 1.2rem;
    width: 25px;
}

.nav-divider {
    height: 1px;
    background-color: rgba(255,255,255,0.1);
    margin: 15px 20px;
}

/* Main Content */
.admin-main {
    margin-left: var(--admin-sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Top Bar */
.admin-topbar {
    height: var(--admin-topbar-height);
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 30px;
    gap: 20px;
    position: sticky;
    top: 0;
    z-index: 900;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
}

.admin-topbar h1 {
    font-size: 1.8rem;
    color: var(--dark-color);
    flex: 1;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark-color);
}

.admin-user i {
    font-size: 2rem;
    color: var(--primary-color);
}

/* Content */
.admin-content {
    padding: 30px;
    flex: 1;
}

/* Welcome Banner */
.welcome-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.welcome-text h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.welcome-text p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.welcome-date {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    gap: 20px;
    align-items: center;
    transition: 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.stat-card.stat-primary .stat-icon {
    background-color: var(--primary-color);
}

.stat-card.stat-success .stat-icon {
    background-color: var(--success-color);
}

.stat-card.stat-warning .stat-icon {
    background-color: var(--warning-color);
}

.stat-card.stat-info .stat-icon {
    background-color: var(--info-color);
}

.stat-content {
    flex: 1;
}

.stat-content h3 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.stat-content p {
    color: #666;
    margin-bottom: 8px;
}

.stat-change {
    font-size: 0.85rem;
    color: #666;
}

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

.stat-change i {
    font-size: 0.8rem;
}

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.chart-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.chart-header h3 {
    font-size: 1.3rem;
    color: var(--dark-color);
}

.chart-header select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.95rem;
}

.chart-card canvas {
    height: 300px !important;
}

/* Recent Activities */
.recent-activities {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.recent-activities h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.activities-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.activity-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.activity-icon.success {
    background-color: var(--success-color);
}

.activity-icon.warning {
    background-color: var(--warning-color);
}

.activity-icon.danger {
    background-color: var(--danger-color);
}

.activity-content {
    flex: 1;
}

.activity-content p {
    color: var(--dark-color);
    margin-bottom: 5px;
}

.activity-time {
    font-size: 0.85rem;
    color: #666;
}

.activity-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.activity-status.success {
    background-color: #d4edda;
    color: #155724;
}

.activity-status.warning {
    background-color: #fff3cd;
    color: #856404;
}

.activity-status.danger {
    background-color: #f8d7da;
    color: #721c24;
}

/* Quick Actions */
.quick-actions {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.quick-actions h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 25px;
    background-color: #f8f9fa;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

.action-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.action-btn i {
    font-size: 2rem;
    color: var(--primary-color);
}

.action-btn:hover i {
    color: white;
}

/* Tables */
.admin-table-container {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow-x: auto;
}

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

.table-header h2 {
    font-size: 1.8rem;
    color: var(--dark-color);
}

.table-actions {
    display: flex;
    gap: 10px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: #0056b3;
}

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

.btn-success:hover {
    background-color: #218838;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.search-box {
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    width: 300px;
    font-size: 1rem;
}

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

.admin-table thead {
    background-color: #f8f9fa;
}

.admin-table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark-color);
    border-bottom: 2px solid var(--border-color);
}

.admin-table td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.admin-table tbody tr:hover {
    background-color: #f8f9fa;
}

.table-badge {
    padding: 5px 10px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.table-badge.active {
    background-color: #d4edda;
    color: #155724;
}

.table-badge.pending {
    background-color: #fff3cd;
    color: #856404;
}

.table-badge.inactive {
    background-color: #f8d7da;
    color: #721c24;
}

.table-actions-cell {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

.btn-icon.edit {
    background-color: #e3f2fd;
    color: var(--primary-color);
}

.btn-icon.edit:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-icon.delete {
    background-color: #f8d7da;
    color: var(--danger-color);
}

.btn-icon.delete:hover {
    background-color: var(--danger-color);
    color: white;
}

/* Forms */
.admin-form {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: 'Roboto', sans-serif;
}

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

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.pagination button,
.pagination span {
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    background-color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

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

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

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

/* Responsive */
@media (max-width: 992px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-sidebar.active {
        transform: translateX(0);
    }

    .admin-main {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: block;
    }

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

    .search-box {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .admin-content {
        padding: 20px;
    }

    .welcome-banner {
        flex-direction: column;
        text-align: center;
    }

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

    .table-header {
        flex-direction: column;
        gap: 15px;
    }

    .admin-table-container {
        padding: 15px;
    }

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