:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-secondary: #64748b;
    --color-success: #10b981;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #06b6d4;

    --color-blue: #3b82f6;
    --color-orange: #f97316;
    --color-green: #10b981;
    --color-purple: #a855f7;
    --color-pink: #ec4899;

    --color-sidebar: #1e293b;
    --color-sidebar-hover: #334155;
    --color-sidebar-active: #3b82f6;

    --color-text-dark: #1e293b;
    --color-text-medium: #64748b;
    --color-text-light: #94a3b8;

    --color-bg-light: #f8fafc;
    --color-bg-white: #ffffff;

    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    --transition: all 0.3s ease;
}

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

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

#app {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background-color: var(--color-sidebar);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo i {
    font-size: 32px;
    color: var(--color-warning);
}

.logo h1 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 2px;
}

.logo p {
    font-size: 12px;
    color: var(--color-text-light);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-lg);
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
    display: block;
    padding: 0 var(--spacing-md);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 12px var(--spacing-md);
    color: #cbd5e1;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    margin-bottom: var(--spacing-xs);
    font-size: 14px;
    font-weight: 500;
}

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

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

.nav-item i {
    font-size: 18px;
    width: 20px;
}

.nav-item.has-dropdown {
    cursor: pointer;
}

.nav-item .dropdown-icon {
    margin-left: auto;
    font-size: 14px;
    transition: var(--transition);
}

.nav-item.active .dropdown-icon {
    transform: rotate(90deg);
}

.nav-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.nav-submenu.active {
    max-height: 200px;
}

.nav-submenu .nav-item {
    padding-left: 48px;
    font-size: 13px;
    margin-bottom: 4px;
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-avatar i {
    font-size: 18px;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
}

.user-email {
    font-size: 12px;
    color: var(--color-text-light);
}

.btn-logout {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
}

.btn-logout:hover {
    background-color: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
}

.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 101;
    width: 44px;
    height: 44px;
    background-color: var(--color-sidebar);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--spacing-xl);
    transition: var(--transition);
}

.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-xs);
}

.page-header p {
    font-size: 16px;
    color: var(--color-text-medium);
}

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

.stat-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    flex-shrink: 0;
}

.stat-icon.bg-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.stat-icon.bg-orange { background: linear-gradient(135deg, #f97316, #ea580c); }
.stat-icon.bg-green { background: linear-gradient(135deg, #10b981, #059669); }
.stat-icon.bg-purple { background: linear-gradient(135deg, #a855f7, #9333ea); }
.stat-icon.bg-pink { background: linear-gradient(135deg, #ec4899, #db2777); }

.stat-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-medium);
    font-weight: 500;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-dark);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-dark);
}

.card-body {
    padding: var(--spacing-lg);
}

.match-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.match-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-color: var(--color-bg-light);
}

.match-item:hover {
    background-color: var(--color-border-light);
}

.match-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.match-teams {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-dark);
}

.match-league {
    font-size: 12px;
    color: var(--color-text-medium);
}

.match-views {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-medium);
    font-size: 14px;
    font-weight: 600;
}

.match-views i {
    color: var(--color-primary);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-white);
    color: var(--color-text-dark);
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control::placeholder {
    color: var(--color-text-light);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.upload-group {
    grid-column: span 1;
}

.file-upload-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.file-preview {
    width: 100%;
    height: 200px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-text-light);
    background-color: var(--color-bg-light);
}

.file-preview i {
    font-size: 48px;
}

.file-preview span {
    font-size: 13px;
    text-align: center;
}

.file-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.banner-preview {
    height: 150px;
}

.file-info {
    font-size: 12px;
    color: var(--color-text-medium);
    text-align: center;
}

.btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    font-family: inherit;
}

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

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

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

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

.btn-success:hover {
    background-color: #059669;
}

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

.btn-secondary:hover {
    background-color: #475569;
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: var(--transition);
    border-radius: 50px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--color-success);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

.toggle-small {
    width: 40px;
    height: 22px;
}

.toggle-small .toggle-slider:before {
    height: 16px;
    width: 16px;
}

.toggle-small input:checked + .toggle-slider:before {
    transform: translateX(18px);
}

.toggle-label {
    margin-left: var(--spacing-sm);
    font-size: 14px;
    color: var(--color-text-dark);
}

.ads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.ad-card .card-header {
    background-color: var(--color-bg-light);
}

.table-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-light);
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.table-responsive {
    overflow-x: auto;
}

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

.data-table thead {
    background-color: var(--color-bg-light);
}

.data-table th {
    padding: 14px 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 16px;
    border-top: 1px solid var(--color-border-light);
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background-color: var(--color-bg-light);
}

.match-teams-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.team-name {
    font-weight: 600;
    color: var(--color-text-dark);
}

.vs {
    color: var(--color-text-light);
    font-size: 12px;
}

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.badge-info {
    background-color: rgba(6, 182, 212, 0.1);
    color: #0891b2;
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    background-color: transparent;
    color: var(--color-text-medium);
}

.btn-icon:hover {
    background-color: var(--color-bg-light);
}

.btn-star {
    color: var(--color-text-light);
}

.btn-star.active {
    color: var(--color-warning);
}

.btn-detail {
    color: var(--color-info);
}

.btn-detail:hover {
    background-color: rgba(6, 182, 212, 0.1);
}

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

.btn-edit:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

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

.btn-delete:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.views-badge {
    padding: 6px 12px;
    background-color: var(--color-bg-light);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-dark);
}

.pagination {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.btn-pagination {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    background-color: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    color: var(--color-text-dark);
}

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

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

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

.th-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

.th-content:hover {
    color: var(--color-primary);
}

.sort-icon {
    font-size: 0.75rem;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.th-content:hover .sort-icon {
    opacity: 1;
}

.sort-icon.fa-sort-up,
.sort-icon.fa-sort-down {
    opacity: 1;
    color: var(--color-primary);
}

.table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.table-info {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.table-per-page {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.table-per-page label {
    color: var(--color-text-secondary);
}

.table-per-page select {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: white;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.table-per-page select:hover {
    border-color: var(--color-primary);
}

.table-per-page select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.pagination-ellipsis {
    padding: 0 0.5rem;
    color: var(--color-text-secondary);
    user-select: none;
}

@media (max-width: 768px) {
    .table-footer {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pagination {
        justify-content: center;
    }
    
    .table-per-page {
        justify-content: center;
    }
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-large {
    max-width: 800px;
}

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

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

.modal-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-dark);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background-color: transparent;
    color: var(--color-text-medium);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 18px;
}

.modal-close:hover {
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

.match-detail-info {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.match-detail-info h4 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.match-detail-league {
    font-size: 14px;
    color: var(--color-text-medium);
}

.stats-grid-modal {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card-modal {
    background-color: var(--color-bg-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stat-icon-modal {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
}

.chart-placeholder {
    width: 100%;
    height: 200px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-text-light);
}

.chart-placeholder i {
    font-size: 48px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-input {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.checkbox-input:checked + .checkbox-custom {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-input:checked + .checkbox-custom:after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: white;
    font-size: 12px;
}

.toast {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background-color: var(--color-success);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transform: translateX(400px);
    transition: var(--transition);
    z-index: 2000;
}

.toast.active {
    transform: translateX(0);
}

.toast i {
    font-size: 20px;
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .mobile-menu-toggle {
        display: flex;
    }

    .main-content {
        margin-left: 0;
        padding: var(--spacing-lg);
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }

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

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

@media (max-width: 768px) {
    .page-header h2 {
        font-size: 24px;
    }

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

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-icon {
        width: 52px;
        height: 52px;
        font-size: 24px;
    }

    .stat-value {
        font-size: 24px;
    }

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

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

    .table-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        width: 100%;
    }

    .data-table {
        font-size: 13px;
    }

    .data-table th,
    .data-table td {
        padding: 10px;
    }

    .modal-content {
        width: 95%;
        max-height: 95vh;
    }

    .modal-header h3 {
        font-size: 18px;
    }
}

.custom-select-wrapper {
    position: relative;
    width: 100%;
}

.custom-select {
    position: relative;
    width: 100%;
    user-select: none;
}

.custom-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.custom-select-trigger:hover {
    border-color: var(--color-primary);
}

.custom-select.active .custom-select-trigger {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.custom-select-trigger .selected-option {
    font-size: 15px;
    color: var(--color-text-dark);
}

.custom-select-trigger i {
    color: var(--color-text-medium);
    transition: var(--transition);
}

.custom-select.active .custom-select-trigger i {
    transform: rotate(180deg);
}

.custom-select-options {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 250px;
    overflow-y: auto;
    z-index: 10000;
    display: none;
    animation: slideDown 0.2s ease;
}

.custom-select.active .custom-select-options {
    display: block;
}

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

.custom-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--color-border-light);
}

.custom-option:last-child {
    border-bottom: none;
}

.custom-option:hover {
    background-color: var(--color-bg-light);
}

.custom-option.selected {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
}

.custom-option i {
    font-size: 18px;
    color: var(--color-primary);
}

.custom-option span {
    font-size: 15px;
    font-weight: 500;
}

.custom-select-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--color-border-light);
}

.custom-select-option:last-child {
    border-bottom: none;
}

.custom-select-option:hover {
    background-color: var(--color-bg-light);
}

.custom-select-option.selected {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
}

.custom-select-option i {
    font-size: 18px;
    color: var(--color-primary);
}

.custom-select-option span {
    font-size: 15px;
    font-weight: 500;
}

.toggle-label-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.toggle-label-inline > span {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-dark);
}

.channel-logo, .news-thumbnail {
    width: 50px;
    height: 50px;
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.channel-logo i, .news-thumbnail i {
    font-size: 24px;
    color: var(--color-text-medium);
}

.channel-logo img, .news-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.channel-name {
    font-weight: 600;
    color: var(--color-text-dark);
}

.channel-link {
    color: var(--color-text-medium);
    font-size: 14px;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.menu-icon-preview {
    font-size: 24px;
    color: var(--color-primary);
}

.icon-picker-wrapper {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-picker-wrapper .form-control {
    flex: 1;
}

.icon-preview-box {
    width: 80px;
    height: 80px;
    background: var(--color-bg-light);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.icon-preview-box i {
    font-size: 36px;
    color: var(--color-primary);
}

.icon-picker-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    max-height: 200px;
    overflow-y: auto;
}

.icon-picker-item {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.icon-picker-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.icon-picker-item.selected {
    border-color: var(--color-primary);
    background-color: rgba(59, 130, 246, 0.1);
}

.icon-picker-item i {
    font-size: 24px;
    color: var(--color-text-dark);
}

.frequency-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.frequency-radio {
    cursor: pointer;
}

.frequency-radio input[type="radio"] {
    display: none;
}

.frequency-card {
    padding: var(--spacing-lg);
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

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

.frequency-radio input:checked + .frequency-card {
    border-color: var(--color-primary);
    background-color: rgba(59, 130, 246, 0.05);
}

.frequency-card i {
    font-size: 32px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.frequency-card span {
    display: block;
    font-weight: 600;
    color: var(--color-text-dark);
    font-size: 15px;
}

.btn-stats {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
}

.btn-stats:hover {
    background-color: rgba(59, 130, 246, 0.2);
}

.theme-selector {
    margin-top: var(--spacing-md);
}

.theme-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.theme-option {
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
}

.theme-preview {
    height: 100px;
    border-radius: var(--radius-md);
    border: 3px solid transparent;
    transition: var(--transition);
    margin-bottom: var(--spacing-sm);
}

.theme-option:hover .theme-preview {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.theme-option.active .theme-preview {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.theme-option span {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-dark);
}

.custom-theme-upload {
    padding-top: var(--spacing-lg);
    border-top: 2px dashed var(--color-border);
}

.custom-theme-upload p {
    font-size: 14px;
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-md);
}

.chart-card .card-body {
    padding: var(--spacing-lg);
}

@media (max-width: 768px) {
    .frequency-options {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .icon-picker-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.icon-selector {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: var(--spacing-sm);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
}

.icon-selector.active {
    display: block;
}

.icon-selector-wrapper {
    position: relative;
}

.icon-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-sm);
}

.icon-option {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    background: white;
}

.icon-option:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-light);
    transform: scale(1.05);
}

.icon-option i {
    font-size: 20px;
    color: var(--color-text-dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .icon-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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