/* CSS Variables */
:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --container-bg: #f8f9fa;
    --border-color: #dee2e6;
    --button-bg: #007bff;
    --button-text: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-color: #333333 !important;
    --text-color: #f5f5f5;
    --container-bg: #3d4044;
    --border-color: #6f6f6f6b;
    --button-bg: #0056b3;
    --shadow: rgba(0, 0, 0, 0.3);
    font-family: averta_Regular, sans-serif;
}

/* Base Styles */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    background-color: var(--bg-color) !important;
    color: var(--text-color) !important;
}

    html[data-theme="light"] .quick-link,
    body[data-theme="light"] .quick-link {
        background-color: none !important;
    }

html[data-theme="dark"] .quick-link,
html[data-theme="dark"] .quick-link {
    background-color: #333333 !important;
}


/* Dark Mode Layout */
[data-theme="dark"] .row,
[data-theme="dark"] .reading-control1,
[data-theme="dark"] .container,
[data-theme="dark"] .main .center-side,
[data-theme="dark"] .darkBox,
[data-theme="dark"] div#ctl00_divRight,
[data-theme="dark"] .box-tab ul.tab-nav a.active,
[data-theme="dark"] .box-tab ul.tab-nav a,
[data-theme="dark"] .new-comments .scroll-y,
[data-theme="dark"] .reading .top,
[data-theme="dark"] .reading .reading-control,
[data-theme="dark"] .reading-detail,
[data-theme="dark"] .paging {
    background-color: var(--container-bg) !important;
}



/*[data-theme="dark"] .footer .container:not(.custom_footer) {
        background: none !important;
    }*/

[data-theme="dark"] .footer .container .row.custum_footer {
    background-color: #222222 !important;
}

/* Dark Mode Borders */
[data-theme="dark"] #item-detail .list-chapter nav ul li,
[data-theme="dark"] .darkBox ul li,
[data-theme="dark"] .list-unstyled > li,
[data-theme="dark"] .new-comments .darkBox ul li {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] #item-detail .list-chapter nav ul li {
    border-bottom: 1px dashed var(--border-color) !important;
}

[data-theme="dark"] .txt-primary a {
    color: var(--text-color) !important;
}


[data-theme="dark"] #tr-menu-fix2 {
    background-color: var(--container-bg) !important;
}

[data-theme="dark"] .darkBox ul li {
    border-top: 1px dashed var(--border-color) !important;
}

[data-theme="dark"] .list-unstyled > li {
    border: 1px dashed var(--border-color) !important;
}

[data-theme="dark"] .new-comments .darkBox ul li {
    border-bottom: 2px solid #bccadd;
}

    [data-theme="dark"] .items .item figcaption h3 a,
    [data-theme="dark"] .chapter a,
    [data-theme="dark"] .darkBox ul li .chapter .view,
    [data-theme="dark"] .darkBox a,
    [data-theme="dark"] .box-tab .tab-pane ul li .txt-rank.pos1,
    [data-theme="dark"] ul.nav.navbar-nav.main-menu li > a,
    [data-theme="dark"] .message_main p > label,
    [data-theme="dark"] #summary,
    [data-theme="dark"] .breadcrumb a > span,
    [data-theme="dark"] .author p,
    [data-theme="dark"] .status p,
    [data-theme="dark"] .name,
    [data-theme="dark"] #view,
    [data-theme="dark"] .new-comments .darkBox ul li p,
    [data-theme="dark"] .new-comments .darkBox ul li abbr,
    [data-theme="dark"] ul#tr-box-left-tab {
        color: var(--text-color) !important;
    }


[data-theme="dark"] .dropdown-menu.megamenu li a,
[data-theme="dark"] .dropdown-menu .nav li a,
[data-theme="dark"] .dropdown-menu li a,
[data-theme="dark"] ul.nav.navbar-nav.main-menu .dropdown-menu li a {
    color: #333 !important;
    background-color: transparent !important;
}

[data-theme="dark"] .dropdown-menu.megamenu,
[data-theme="dark"] .dropdown-menu {
    background-color: #fff !important;
    color: #333 !important;
}
    /* Hover effect cho dropdown */
    [data-theme="dark"] .dropdown-menu li a:hover {
        color: #000 !important;
        background-color: #f8f9fa !important;
    }

/* Dark Mode Headers */
[data-theme="dark"] .header,
[data-theme="dark"] .main-nav .inner {
    background-color: var(--bg-color) !important;
}

/* Dark Mode Navigation */
[data-theme="dark"] .main-menu > li > a .fa-home {
    color: red !important;
}

[data-theme="dark"] .main-menu > li,
[data-theme="dark"] ul li > a,
[data-theme="dark"] ul.nav.navbar-nav.main-menu li > a {
    border-right: none !important;
}

    [data-theme="dark"] .main-menu > li.active > a,
    [data-theme="dark"] .main-menu > li.open > a,
    [data-theme="dark"] .main-menu > li.dropdown:hover > a,
    [data-theme="dark"] .main-menu > li > a:hover {
        color: #ffffff !important;
        background-color: #2563eb !important;
    }

[data-theme="dark"] .navbar-dropdown a:hover,
[data-theme="dark"] .main-menu a:hover {
    color: #000 !important;
    text-decoration: none !important;
    font-family: averta_regular, Sans-Serif !important;
}

/* Dark Mode Special Elements */
[data-theme="dark"] .journalrow .journalsummary,
[data-theme="dark"] .journalrow .jsummary {
    background-color: #3d4044 !important;
}

[data-theme="dark"] .jsummary div,
[data-theme="dark"] .journalsummary div {
    border-top: 1px solid #bccadd;
}

[data-theme="dark"] .alert-info {
    background-color: #e4e4e4 !important;
}

[data-theme="dark"] .authorname {
    font-weight: 1000;
    color: #4e7af3;
    font-size: 13px;
}

[data-theme="dark"] .user-sidelink {
    /*   background-color: #896666 !important;*/
}

[data-theme="dark"] .account-info .info-detail .group .label {
    color: #896666 !important;
}

[data-theme="dark"] .box-tab ul.tab-nav a.active {
    border-top: 2px solid var(--text-color) !important;
}

[data-theme="dark"] .paging li a {
    background-color: var(--bg-color) !important;
}

/* Dark Mode Forms & Modals */
[data-theme="dark"] .modal-content,
[data-theme="dark"] #myModal .modal-content {
    background-color: var(--container-bg) !important;
    color: var(--text-color) !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="dark"] #myModal .modal-header {
    background-color: #1e7e34 !important;
}

/* Dark Mode Form Elements */
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: var(--container-bg) !important;
    color: var(--text-color) !important;
    border: 1px solid var(--border-color) !important;
}

    [data-theme="dark"] input:focus,
    [data-theme="dark"] textarea:focus,
    [data-theme="dark"] select:focus {
        background-color: var(--container-bg) !important;
        color: var(--text-color) !important;
        border-color: var(--button-bg) !important;
        box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25) !important;
    }

    [data-theme="dark"] input::placeholder,
    [data-theme="dark"] textarea::placeholder {
        color: #adb5bd !important;
        opacity: 1 !important;
    }

/* Light Mode Override */
[data-theme="light"] .journalrow .journalsummary,
[data-theme="light"] .journalrow .jsummary {
    background-color: #ffffff !important;
}







:root {
    --button-bg: rgba(255, 255, 255, 0.95);
    --button-text: #333;
    --shadow: rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] {
    --button-bg: rgba(20, 20, 20, 0.95);
    --button-text: #fff;
    --shadow: rgba(0, 0, 0, 0.4);
}

.theme-toggle {
    position: fixed;
    top: clamp(2.75rem, 2.5vw, 1rem);
    right: clamp(0.75rem, 3vw, 1.5rem);
    background: var(--button-bg);
    color: var(--button-text);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: clamp(1.25rem, 4vw, 2rem);
    padding: clamp(0.5rem, 2vw, 0.75rem) clamp(0.875rem, 3.5vw, 1.25rem);
    cursor: pointer;
    font-size: clamp(0.75rem, 2.75vw, 0.875rem);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: clamp(0.375rem, 1.5vw, 0.5rem);
    box-shadow: 0 clamp(2px, 0.5vw, 4px) clamp(8px, 2vw, 12px) var(--shadow), 0 1px 3px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(clamp(8px, 2vw, 10px));
    -webkit-backdrop-filter: blur(clamp(8px, 2vw, 10px));
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    margin: 0;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    box-sizing: border-box;
    line-height: 1.2;
    min-width: clamp(3.5rem, 14vw, 5rem);
    min-height: clamp(2.25rem, 6vw, 2.5rem);
    white-space: nowrap;
    /* Ensure visibility */
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    z-index: 1000;
    /* Mobile touch optimization */
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
    -moz-user-select: none;
    user-select: none;
    transform: translateZ(0);
    will-change: transform;
}

    .theme-toggle:hover {
        transform: translateY(clamp(-1px, -0.3vw, -2px)) scale(1.02);
        box-shadow: 0 clamp(4px, 1vw, 8px) clamp(12px, 3vw, 20px) var(--shadow), 0 2px 6px rgba(0, 0, 0, 0.15);
    }

    .theme-toggle:active {
        transform: translateY(0) scale(0.98);
        transition: all 0.1s ease;
    }

.theme-icon {
    font-size: clamp(0.75rem, 3vw, 1rem);
    transition: transform 0.3s ease;
    display: inline-block;
    line-height: 1;
    flex-shrink: 0;
}

.theme-toggle:hover .theme-icon {
    transform: rotate(180deg);
}

/* ========== REFINED RESPONSIVE BREAKPOINTS ========== */

/* Extra small phones */
@media (max-width: 320px) {
    .theme-toggle {
        top: 0.625rem;
        right: 0.625rem;
        padding: 0.375rem 0.625rem;
        font-size: 0.6875rem;
        min-width: 3rem;
        min-height: 2rem;
        border-radius: 1rem;
        gap: 0.25rem;
    }

    .theme-icon {
        font-size: 0.75rem;
    }
}

/* Small phones in landscape or very short screens */
@media (max-height: 500px) and (orientation: landscape) and (max-width: 896px) {
    .theme-toggle {
        top: 0.5rem;
        right: 0.75rem;
        padding: 0.25rem 0.625rem;
        font-size: 0.6875rem;
        min-width: 3rem;
        min-height: 1.75rem;
        border-radius: 1rem;
    }

    .theme-icon {
        font-size: 0.75rem;
    }
}

/* Tablets and larger screens - keep original clamp values */
@media (min-width: 768px) {
    .theme-toggle {
        top: clamp(0.75rem, 1.5vw, 1rem);
        right: clamp(1rem, 2vw, 1.5rem);
        padding: clamp(0.625rem, 1.5vw, 0.75rem) clamp(1rem, 2.5vw, 1.25rem);
        font-size: clamp(0.8125rem, 1.5vw, 0.875rem);
        min-width: clamp(4rem, 8vw, 5rem);
    }
}

/* ========== BROWSER COMPATIBILITY ========== */

[data-theme="dark"] .theme-toggle {
    border-color: rgba(255, 255, 255, 0.15);
}

@supports (-webkit-appearance: none) {
    .theme-toggle {
        -webkit-touch-callout: none;
        -webkit-font-smoothing: antialiased;
    }
}

@-moz-document url-prefix() {
    .theme-toggle {
        -moz-appearance: none;
        transform: translate3d(0, 0, 0);
    }
}

@supports not (backdrop-filter: blur(10px)) and not (-webkit-backdrop-filter: blur(10px)) {
    .theme-toggle {
        background: rgba(255, 255, 255, 0.98) !important;
        border: 1px solid rgba(0, 0, 0, 0.15);
    }

    [data-theme="dark"] .theme-toggle {
        background: rgba(20, 20, 20, 0.98) !important;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .theme-toggle {
        box-shadow: 0 1px 4px var(--shadow), 0 0.5px 2px rgba(0, 0, 0, 0.1);
    }

        .theme-toggle:hover {
            box-shadow: 0 3px 8px var(--shadow), 0 1px 4px rgba(0, 0, 0, 0.15);
        }
}

/* Focus accessibility */
.theme-toggle:focus-visible {
    outline: 2px solid var(--button-text);
    outline-offset: 2px;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
    .theme-toggle,
    .theme-icon {
        transition: none;
    }

        .theme-toggle:hover .theme-icon {
            transform: none;
        }
}

/* Dark Mode cho Advanced Search Panel */
[data-theme="dark"] .advanced-search-panel {
    background: linear-gradient(135deg, var(--container-bg) 0%, #2a2e32 100%) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-color) !important;
}

[data-theme="dark"] .search-header h2 {
    color: var(--text-color) !important;
}
/* Dark Mode cho Categories Section */
[data-theme="dark"] .categories-section {
    background: linear-gradient(135deg, #2a2e32 0%, #1e2124 100%) !important;
    border: 2px solid var(--border-color) !important;
    color: var(--text-color) !important;
}

[data-theme="dark"] .categories-title {
    color: #4A90E2 !important;
}

[data-theme="dark"] .category-controls {
    background: rgba(51, 51, 51, 0.8) !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="dark"] .category-counter {
    background: rgba(51, 51, 51, 0.9) !important;
    color: #4A90E2 !important;
}

    [data-theme="dark"] .category-counter #selectedCount {
        color: #4CAF50 !important;
    }

/* Dark Mode cho Checkbox Grid */
[data-theme="dark"] .checkbox-grid {
    background: rgba(51, 51, 51, 0.9) !important;
    border: 2px solid var(--border-color) !important;
}

    [data-theme="dark"] .checkbox-grid::-webkit-scrollbar-track {
        background: #2a2e32 !important;
    }

    [data-theme="dark"] .checkbox-grid::-webkit-scrollbar-thumb {
        background: #4A90E2 !important;
    }

        [data-theme="dark"] .checkbox-grid::-webkit-scrollbar-thumb:hover {
            background: #357ABD !important;
        }
/* Dark Mode cho Checkbox Items */
[data-theme="dark"] .checkbox-item {
    background: var(--container-bg) !important;
    border: 2px solid var(--border-color) !important;
    color: var(--text-color) !important;
}

    [data-theme="dark"] .checkbox-item:hover {
        background: #2a2e32 !important;
        border-color: #4A90E2 !important;
    }

    [data-theme="dark"] .checkbox-item.selected {
        background: linear-gradient(135deg, #2a2e32 0%, #1e2124 100%) !important;
        border-color: #4A90E2 !important;
        color: #4A90E2 !important;
    }

    [data-theme="dark"] .checkbox-item label {
        color: inherit !important;
    }
/* Dark Mode cho Filter Options */
[data-theme="dark"] .filter-options {
    background: linear-gradient(135deg, var(--container-bg) 0%, #2a2e32 100%) !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="dark"] .filter-checkbox {
    background: var(--container-bg) !important;
    border: 2px solid transparent !important;
    color: var(--text-color) !important;
}

    [data-theme="dark"] .filter-checkbox:hover {
        border-color: #4A90E2 !important;
        background: #2a2e32 !important;
    }

    [data-theme="dark"] .filter-checkbox.active {
        border-color: #4A90E2 !important;
        background: linear-gradient(135deg, #2a2e32 0%, #1e2124 100%) !important;
    }

    [data-theme="dark"] .filter-checkbox label {
        color: var(--text-color) !important;
    }

    [data-theme="dark"] .filter-checkbox input[type="checkbox"]:checked + label {
        color: #4A90E2 !important;
    }

/* Dark Mode cho Form Sections */
[data-theme="dark"] .form-section,
[data-theme="dark"] .advanced-filters-section {
    background: var(--container-bg) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-color) !important;
}

[data-theme="dark"] .section-title {
    color: var(--text-color) !important;
    border-bottom: 2px solid var(--border-color) !important;
}


/* Dark Mode cho Form Controls */
[data-theme="dark"] .form-control,
[data-theme="dark"] #keyword {
    background: var(--container-bg) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-color) !important;
}

    [data-theme="dark"] .form-control:focus,
    [data-theme="dark"] #keyword:focus {
        border-color: #4A90E2 !important;
        box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1) !important;
        background: #2a2e32 !important;
    }

    [data-theme="dark"] .form-control::placeholder,
    [data-theme="dark"] #keyword::placeholder {
        color: #888 !important;
    }

[data-theme="dark"] .form-group label {
    color: var(--text-color) !important;
}


/* Dark Mode cho Search Actions */
[data-theme="dark"] .search-actions {
    background: linear-gradient(135deg, var(--container-bg) 0%, #2a2e32 100%) !important;
}

/* Dark Mode cho Results */
[data-theme="dark"] .results-header {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%) !important;
    color: white !important;
}

[data-theme="dark"] .results-count {
    color: white !important;
}


/* Dark Mode cho Module Content */
[data-theme="dark"] .Module {
    background: var(--container-bg) !important;
}

[data-theme="dark"] .ModuleContent {
    background: var(--container-bg) !important;
}

[data-theme="dark"] .items .item {
    background: var(--container-bg) !important;
    border: 1px solid var(--border-color) !important;
}

    [data-theme="dark"] .items .item figure {
        background: var(--container-bg) !important;
    }

    [data-theme="dark"] .items .item figcaption h3 a {
        color: var(--text-color) !important;
    }

    [data-theme="dark"] .items .item figcaption ul li.chapter a {
        color: var(--text-color) !important;
    }

    [data-theme="dark"] .items .item figcaption ul li.chapter i.time {
        color: #888 !important;
    }



/* Dark Mode cho Loading */
[data-theme="dark"] .loading-overlay {
    background: rgba(51, 51, 51, 0.9) !important;
}

[data-theme="dark"] .loading-content {
    background: var(--container-bg) !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="dark"] .loading-text {
    color: var(--text-color) !important;
}

[data-theme="dark"] .loading-subtext {
    color: #888 !important;
}

[data-theme="dark"] .search-results-loading {
    background: linear-gradient(135deg, var(--container-bg) 0%, #2a2e32 100%) !important;
}

/* Dark Mode cho Pagination */
[data-theme="dark"] .pagination-outter {
    background: var(--container-bg) !important;
}

/* Dark Mode cho Breadcrumb */
[data-theme="dark"] .breadcrumb {
    background: var(--container-bg) !important;
    border: 1px solid var(--border-color) !important;
}

    [data-theme="dark"] .breadcrumb li a {
        color: #4A90E2 !important;
    }

        [data-theme="dark"] .breadcrumb li a.active {
            color: var(--text-color) !important;
        }

/* Dark Mode cho Toast Notification */
[data-theme="dark"] .toast-notification {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%) !important;
    color: white !important;
}

/* Dark Mode cho Exclude Categories Special Style */
[data-theme="dark"] .filter-checkbox input[type="checkbox"]#excludeCategories:checked + label::before {
    color: #ff6b6b !important;
}

[data-theme="dark"] .filter-checkbox input[type="checkbox"]#excludeCategories:checked + label {
    color: #ff6b6b !important;
}