/* =================================
    CSS VARIABLES (Light & Dark Mode)
    ================================= */

:root {
    /* Light Mode */
    --body-background: #f8f8f8;
    --main-text-color: #333;
    --sidebar-border-color: #ccc;
    --sidebar-input-border: #ddd;
    --collapsible-header-bg: #f7f7f7;
    --collapsible-header-hover-bg: #eee;
    --collapsible-border: #ddd;
    --alpha-button-bg: #f0f0f0;
    --alpha-button-border: #ccc;
    --alpha-button-hover-bg: #e2e6ea;
    --alpha-button-selected-bg: #007bff;
    --alpha-button-selected-color: #fff;
    --slider-handle-bg: #007BFF;
    --slider-handle-border: #0056B3;
    --slider-connect-bg: #007BFF;
    --table-container-bg: #f8f8f8;
    --main-heading-border: #ccc;
    --game-count-color: #666;
    --filter-tag-bg: #e9ecef;
    --filter-tag-color: #495057;
    --table-shadow: 0 2px 4px rgba(0,0,0,0.1);
    --table-bg: #fff;
    --table-border: #ddd;
    --table-header-bg: #f2f2f2;
    --table-row-odd-bg: #fdfdfd;
    --table-row-even-bg: #fafafa;
    --table-row-hover-bg: #0000FF; /* Blue background on hover */
    --table-row-hover-text: #FFFFFF; /* White text on hover */
    --table-link-color: #0066cc;
    --sort-indicator-color: #888;
    --sort-indicator-active-color: #007bff;
    --sort-border-active-color: #007bff;
    --responsive-border-bottom: #ccc;
    --view-options-btn-bg: #007bff;
    --view-options-btn-color: #fff;
    --view-options-btn-hover-bg: #0056b3;
    --view-options-btn-border: #007bff;
    --sidebar-header-color: #333;
    --sidebar-link-hover-color: #005fa3;
    --sidebar-link-hover-background: #f0f8ff;
    --sidebar-link-selected-color: #004c87;
    --sidebar-link-selected-background: #e6f3ff;
    --banner-updating-bg: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    --banner-updating-border: #ffc107;
    --banner-complete-bg: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    --banner-complete-border: #28a745;
    --banner-text-color: #333;
}

/* Dark Mode - Activated by System Preference or Manual Toggle */
@media (prefers-color-scheme: dark) {
    body:not([data-theme='light']) {
        --body-background: #1a1a1a;
        --main-text-color: #e0e0e0;
        --sidebar-border-color: #444;
        --sidebar-header-color: #e0e0e0;
        --sidebar-link-color: #5ac8fa;
        --sidebar-link-hover-color: #409ed9;
        --sidebar-link-hover-background: #2c2c2e;
        --sidebar-link-selected-color: #e0e0e0;
        --sidebar-link-selected-background: #3c3c3e;
        --collapsible-header-background: #2a2a2a;
        --collapsible-header-hover-background: #333;
        --collapsible-border: #444;
        --filter-tag-bg: #333;
        --filter-tag-color: #ccc;

        /* Table-specific variables */
        --table-bg: #2a2a2a;
        --table-border: #444;
        --table-header-bg: #333;
        --table-row-odd-bg: #4d4d4d;
        --table-row-even-bg: #3c3c3c;
        --table-row-hover-bg: #008000; /* Green background on hover*/
        --table-row-hover-text: #FFFFFF; /* White text on hover*/
        --table-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);

        /* Status badges */
        --status-indexed-bg: #28a745;
        --status-partially-mapped-bg: #17a2b8;
        --status-stub-unmapped-bg: #ffc107;
        
        /* Sorting indicators - NEW */
        --sort-indicator-color: #999;
        --sort-indicator-active-color: #79a1d1;
        --sort-border-active-color: #79a1d1;
        --banner-updating-bg: linear-gradient(135deg, #4d3d1a 0%, #3a2e10 100%);
        --banner-updating-border: #ffc107;
        --banner-complete-bg: linear-gradient(135deg, #1e3d26 0%, #142819 100%);
        --banner-complete-border: #28a745;
        --banner-text-color: #e0e0e0;
    }
}

/* Manual toggle overrides system preference */
body[data-theme='dark'] {
    --body-background: #1a1a1a;
    --main-text-color: #e0e0e0;
    --sidebar-border-color: #444;
    --sidebar-input-border: #555;
    --sidebar-header-color: #e0e0e0;
    --sidebar-link-hover-color: #62707D;
    --sidebar-link-hover-background: #2a2a2a;
    --sidebar-link-selected-color: #79a1d1;
    --sidebar-link-selected-background: #333;
    --collapsible-header-bg: #2a2a2a;
    --collapsible-header-hover-bg: #333;
    --collapsible-border: #444;
    --banner-updating-bg: linear-gradient(135deg, #4d3d1a 0%, #3a2e10 100%);
    --banner-updating-border: #ffc107;
    --banner-complete-bg: linear-gradient(135deg, #1e3d26 0%, #142819 100%);
    --banner-complete-border: #28a745;
    --banner-text-color: #e0e0e0;
    --alpha-button-bg: #333;
    --alpha-button-border: #555;
    --alpha-button-hover-bg: #444;
    --alpha-button-selected-bg: #007bff;
    --alpha-button-selected-color: #fff;
    --slider-handle-bg: #007BFF;
    --slider-handle-border: #0056B3;
    --slider-connect-bg: #007BFF;
    --table-container-bg: #1a1a1a;
    --main-heading-border: #444;
    --game-count-color: #999;
    --filter-tag-bg: #333;
    --filter-tag-color: #ccc;
    --table-shadow: 0 2px 4px rgba(0,0,0,0.2);
    --table-bg: #2a2a2a;
    --table-border: #444;
    --table-header-bg: #333;
    --table-row-odd-bg: #4d4d4d;
    --table-row-even-bg: #3c3c3c;
    --table-row-hover-bg: #008000; /* Green background on hover*/
    --table-row-hover-text: #FFFFFF; /* Dark text for light mode */
    --sort-indicator-color: #999;
    --sort-indicator-active-color: #79a1d1;
    --sort-border-active-color: #79a1d1;
    --responsive-border-bottom: #444;
    --view-options-btn-bg: #333;
    --view-options-btn-color: #e0e0e0;
    --view-options-btn-hover-bg: #444;
    --view-options-btn-border: #555;
}

/* =====================================================================
   PAGE LAYOUT — same frameless structure as platforms.php.
   ===================================================================== */
html {
    height: 100%;
    overflow: hidden;
}

body {
    height: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--body-background);
    color: var(--main-text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.game-content-wrapper {
    height: 100%;
    overflow: hidden;
    padding: 0 20px 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.game-page {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    width: 100%;
    gap: 15px;
    box-sizing: border-box;
    padding: 0 10px;
    margin-top: 8px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

@media (max-width: 900px) {
    .game-page { flex-direction: column; }
}

.main-content-area {
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.main-heading-container {
    border-bottom: 2px solid var(--sidebar-border-color, #ccc);
    padding-bottom: 10px;
    margin-bottom: 10px;
    margin-top: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.main-heading-container h1 { font-size: 2em; margin: 0; }

.datfile-count {
    background-color: #0F9ED5;
    color: #FFFFFF;
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: bold;
    white-space: nowrap;
    font-size: 14px;
}

.update-status-banner {
    margin: 10px 0 15px 0;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
}

.update-status-banner.updating {
    background: var(--banner-updating-bg);
    border-left: 5px solid var(--banner-updating-border);
}

.update-status-banner.complete {
    background: var(--banner-complete-bg);
    border-left: 5px solid var(--banner-complete-border);
}

.update-status-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.update-status-icon { font-size: 24px; flex-shrink: 0; }

.update-status-message {
    font-size: 16px;
    font-weight: 500;
    color: var(--banner-text-color);
    line-height: 1.5;
}

#active-filters-display {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.intro-text {
    padding-bottom: 15px;
    width: 100%;
    max-width: 800px; 
    margin: 0; 
    flex-shrink: 0;
}

/* ---------- PER-COLUMN FILTER ROW ---------- */
.column-filter-row th {
    padding: 6px 8px !important;
    border-bottom: 2px solid var(--table-border);
    vertical-align: middle;
}

.col-filter-select,
.col-filter-input {
    width: 100%;
    box-sizing: border-box;
    padding: 4px 6px;
    font-size: 0.85em;
    border: 1px solid var(--table-border);
    border-radius: 3px;
    background-color: var(--body-background);
    color: var(--main-text-color);
}

.col-filter-input:focus,
.col-filter-select:focus {
    outline: none;
    border-color: #3498db;
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 8px 0;
    width: 100%;
    flex-shrink: 0;
}

.toolbar-metrics {
    display: flex;
    align-items: center;
}

th.sortable::after {
    content: "⇅";
    position: absolute;
    right: 10px;
    font-size: 0.7em;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.3;
    transition: opacity 0.2s, transform 0.2s;
    line-height: 1; 
}

th.sortable:hover::after { opacity: 0.6; }

th.sortable[data-sort-direction="asc"]::after {
    opacity: 1;
    transform: translateY(-50%) rotate(180deg);
}

th.sortable[data-sort-direction="desc"]::after {
    opacity: 1;
    transform: translateY(-50%) rotate(0deg);
}
.filter-tag,
.sort-tag {
    display: inline-block;
    padding: 5px 10px;
    margin-right: 10px;
    margin-bottom: 0;
    background-color: #FFEB3B;
    color: #000000;
    font-size: 14px;
    white-space: nowrap;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
}

.no-filter {
    color: var(--main-text-color);
    background-color: transparent;
    cursor: default;
    font-weight: normal;
}

/* --- Customize View panel --- */
.tabs-container {
    padding-top: 0;
}
.tab-pane {
    display: none;
}
.tab-pane.active {
    display: block;
}
.column-customize-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.column-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border: 1px solid var(--table-border);
    border-radius: 4px;
    margin-bottom: 6px;
    background-color: var(--table-bg);
}
.column-item label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    flex: 1;
    color: var(--main-text-color);
    font-size: 0.9em;
}
.drag-handle {
    cursor: grab;
    color: var(--main-text-color);
    opacity: 0.6;
}
.column-item.sortable-ghost {
    opacity: 0.4;
}
.column-item.sortable-chosen {
    border-color: var(--alpha-button-selected-bg, #007bff);
}
.view-save-indicator {
    font-size: 12px;
    color: var(--main-text-color);
    opacity: 0;
    transition: opacity 0.3s ease;
    margin-left: 4px;
}
.view-save-indicator.visible {
    opacity: 1;
}
.save-view-status {
    margin-left: 4px;
    font-weight: bold;
    font-size: 0.85em;
}

/* --- Customize View slideout panel --- */
.slideout-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0s 0.3s;
    z-index: 1000;
}

.slideout-menu-overlay.active {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease;
}

.slideout-menu {
    position: fixed;
    top: 80px;
    left: -800px;
    width: 800px;
    height: 100%;
    background-color: var(--body-background);
    transition: left 0.3s ease-in-out;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    padding-bottom: 20px;
}

.slideout-menu.active {
    left: 0;
}

.slideout-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background-color: var(--collapsible-header-bg);
    border-bottom: 1px solid var(--collapsible-border);
}

.slideout-menu-header h2 {
    margin: 0;
    color: var(--main-text-color);
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--main-text-color);
    line-height: 1;
    padding: 0;
}

.slideout-menu-content {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
}