@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@300;400;600&family=Share+Tech+Mono&display=swap');

:root {
    --bg-core: #181a1f; /* Softer dark base */
    --bg-panel: #21252b; /* Sidebar/List background */
    --bg-panel-header: #2c313a; /* Lighter header for definition */
    --bg-selection: #3e4451; /* Softer selection color */
    --bg-hover: #2c313a;
    
    --border-color: #181a1f; /* Blends better with new bg */
    --border-focus: #528bff;
    
    --text-main: #abb2bf; /* Soft light grey */
    --text-muted: #5c6370;
    --text-accent: #56b6c2; /* Cyan */
    --text-alert: #e06c75; /* Soft Red */
    --text-warning: #d19a66; /* Soft Orange */
    --text-success: #98c379; /* Soft Green */
    
    --font-ui: 'JetBrains Mono', 'Inter', 'Segoe UI', 'Roboto', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --font-brand: 'JetBrains Mono', 'Share Tech Mono', monospace;
    
    --header-height: 45px;
    --status-bar-height: 25px;
    
        --sidebar-width: 280px;
        --list-width: 220px;
    --collapsed-width: 40px;
}

/* Light Theme Variables */
:root[data-theme="light"] {
    --bg-core: #f5f5f5;
    --bg-panel: #ffffff;
    --bg-panel-header: #e8e8e8;
    --bg-selection: #d0d0d0;
    --bg-hover: #e8e8e8;
    
    --border-color: #d0d0d0;
    --border-focus: #4a90e2;
    
    --text-main: #2c2c2c;
    --text-muted: #6c6c6c;
    --text-accent: #0077aa;
    --text-alert: #c7254e;
    --text-warning: #d68200;
    --text-success: #5a9f5a;
}

/* Light Theme Specific Overrides */
:root[data-theme="light"] .sys-header {
    border-bottom-color: var(--border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

:root[data-theme="light"] .sys-modal-overlay {
    background-color: rgba(0, 0, 0, 0.4);
}

:root[data-theme="light"] .sys-modal-header {
    background: var(--bg-panel-header);
}

:root[data-theme="light"] .sys-modal-content {
    color: var(--text-main);
}

:root[data-theme="light"] .status-item {
    background: var(--bg-hover);
}

:root[data-theme="light"] .status-icon-box {
    background: var(--bg-panel-header);
}

:root[data-theme="light"] .status-details h4 {
    color: var(--text-main);
}

:root[data-theme="light"] .status-details p {
    color: var(--text-muted);
}

:root[data-theme="light"] .panel {
    border-right-color: var(--border-color);
    box-shadow: 2px 0 5px rgba(0,0,0,0.03);
}

:root[data-theme="light"] .panel-header {
    border-bottom-color: var(--border-color);
}

:root[data-theme="light"] .tree-node:hover .tree-label {
    background: var(--bg-hover);
}

:root[data-theme="light"] .file-row:hover {
    background: var(--bg-hover);
}

:root[data-theme="light"] .file-row.selected {
    background: var(--bg-selection);
}

:root[data-theme="light"] .file-table thead {
    background: var(--bg-panel-header);
    border-bottom-color: var(--border-color);
}

:root[data-theme="light"] .file-table th {
    background: var(--bg-panel-header) !important;
    color: var(--text-main) !important;
    border-bottom-color: var(--text-accent) !important;
    border-right-color: var(--border-color) !important;
}

:root[data-theme="light"] .file-table td {
    background: var(--bg-panel) !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}

:root[data-theme="light"] .file-table tbody tr {
    border-bottom-color: var(--border-color);
}

:root[data-theme="light"] .preview-panel {
    border-left-color: var(--border-color);
}

:root[data-theme="light"] .document-view {
    background: var(--bg-panel);
}

:root[data-theme="light"] .preview-empty {
    color: var(--text-muted);
}

:root[data-theme="light"] .sys-status-bar {
    background: var(--bg-panel);
    border-top-color: var(--border-color);
}

:root[data-theme="light"] .btn-mobile-explorer {
    border-color: var(--text-accent);
}

:root[data-theme="light"] .cyber-btn {
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

:root[data-theme="light"] .markdown-alert {
    border-left-width: 3px;
}

:root[data-theme="light"] .markdown-alert-note {
    background: #e8f4f8;
    border-left-color: #0077aa;
}

:root[data-theme="light"] .markdown-alert-tip {
    background: #e6f7e6;
    border-left-color: #5a9f5a;
}

:root[data-theme="light"] .markdown-alert-important {
    background: #f0e8ff;
    border-left-color: #8b5cf6;
}

:root[data-theme="light"] .markdown-alert-warning {
    background: #fff4e6;
    border-left-color: #d68200;
}

:root[data-theme="light"] .markdown-alert-caution {
    background: #ffe6e6;
    border-left-color: #c7254e;
}

:root[data-theme="light"] .code-header {
    background: var(--bg-panel-header);
    border-bottom-color: var(--border-color);
}

:root[data-theme="light"] pre code {
    background: #fafafa !important;
}

:root[data-theme="light"] .hljs {
    background: #fafafa !important;
    color: #2c2c2c !important;
}

:root[data-theme="light"] .loading-container {
    color: var(--text-muted);
}

:root[data-theme="light"] .search-result-row {
    border-bottom-color: var(--border-color);
}

:root[data-theme="light"] .search-result-row:hover {
    background: var(--bg-hover);
}

:root[data-theme="light"] .doc-meta-table {
    background: var(--bg-panel-header);
}

:root[data-theme="light"] .doc-meta-table td {
    border-color: var(--border-color);
}

:root[data-theme="light"] .empty-state {
    color: var(--text-muted);
}

:root[data-theme="light"] .toast-notification {
    background: #e6f7e6 !important;
    border-color: var(--text-accent) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15), 0 0 10px rgba(0, 119, 170, 0.2) !important;
}

:root[data-theme="light"] .toast-notification i {
    color: var(--text-accent) !important;
}

:root[data-theme="light"] .toast-notification span {
    color: #2c2c2c !important;
}

:root[data-theme="light"] .search-action-btn {
    color: #fff !important;
}

:root[data-theme="light"] .panel-header {
    background: var(--bg-panel-header) !important;
    color: var(--text-main) !important;
}

:root[data-theme="light"] .panel-title-text {
    color: var(--text-main) !important;
}

:root[data-theme="light"] .panel-collapse-icon {
    color: var(--text-accent) !important;
}

:root[data-theme="light"] pre code {
    background: #f6f8fa !important;
    border: 1px solid var(--border-color) !important;
}

:root[data-theme="light"] .hljs {
    background: #f6f8fa !important;
    color: #24292e !important;
}

:root[data-theme="light"] pre {
    border: 1px solid var(--border-color) !important;
    background: #f6f8fa !important;
}

:root[data-theme="light"] ::-webkit-scrollbar-track {
    background: #f0f0f0;
}

:root[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: #c0c0c0;
}

:root[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: #a0a0a0;
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) {
    border: 1px solid var(--border-color);
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) tbody tr {
    background: var(--bg-panel);
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) tbody tr:nth-child(even) {
    background: var(--bg-hover);
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) tbody tr:hover {
    background: rgba(0, 119, 170, 0.05);
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) li,
:root[data-theme="light"] .markdown-body table:not(.hljs-ln) p {
    color: var(--text-main) !important;
}

:root[data-theme="light"] .btn-mobile-explorer-tab {
    color: #2c2c2c !important;
    background: var(--bg-panel) !important;
    border-color: var(--border-color) !important;
}

:root[data-theme="light"] .btn-mobile-explorer-tab.active {
    background: rgba(0, 119, 170, 0.1) !important;
    color: var(--text-accent) !important;
    border-color: var(--text-accent) !important;
}

:root[data-theme="light"] .panel-content {
    background: var(--bg-panel) !important;
}

:root[data-theme="light"] #search-modal thead {
    background: var(--bg-panel-header) !important;
}

:root[data-theme="light"] #search-modal thead th {
    background: var(--bg-panel-header) !important;
    color: var(--text-main) !important;
}

:root[data-theme="light"] .preview-panel-header {
    background: var(--bg-panel-header) !important;
    border-bottom-color: var(--border-color) !important;
}

:root[data-theme="light"] .tree-label {
    color: var(--text-main) !important;
}

:root[data-theme="light"] .tree-label.active {
    background: var(--bg-selection) !important;
    color: var(--text-accent) !important;
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) th,
:root[data-theme="light"] .markdown-body table:not(.hljs-ln) td {
    border-color: var(--border-color) !important;
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) th {
    background: #e8e8e8 !important;
    font-weight: 600;
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) th:not([style*="color"]) {
    color: #2c2c2c !important;
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) td {
    background: #ffffff !important;
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) tbody tr:nth-child(even) td {
    background: #f8f8f8 !important;
}

:root[data-theme="light"] .markdown-body table:not(.hljs-ln) td li,
:root[data-theme="light"] .markdown-body table:not(.hljs-ln) td p:not([style*="color"]),
:root[data-theme="light"] .markdown-body table:not(.hljs-ln) td span:not([style*="color"]) {
    color: #2c2c2c !important;
}

:root[data-theme="light"] .markdown-body h1,
:root[data-theme="light"] .markdown-body h2,
:root[data-theme="light"] .markdown-body h3,
:root[data-theme="light"] .markdown-body h4,
:root[data-theme="light"] .markdown-body h5,
:root[data-theme="light"] .markdown-body h6 {
    color: var(--text-main) !important;
}

:root[data-theme="light"] .markdown-body hr {
    border-top-color: var(--border-color) !important;
}

:root[data-theme="light"] .tree-label {
    background: var(--bg-panel) !important;
    border-color: var(--border-color) !important;
    color: var(--text-main) !important;
}

:root[data-theme="light"] .tree-label:hover {
    background: var(--bg-hover) !important;
    border-color: var(--text-accent) !important;
    color: var(--text-accent) !important;
    box-shadow: 0 0 8px rgba(0, 119, 170, 0.15) !important;
}

:root[data-theme="light"] .tree-folder-name {
    color: var(--text-main) !important;
}

:root[data-theme="light"] .tree-icon {
    color: var(--text-accent) !important;
}

:root[data-theme="light"] .tree-file-count {
    color: var(--text-accent) !important;
}

:root[data-theme="light"] .file-row:hover {
    background: rgba(0, 119, 170, 0.05) !important;
}

:root[data-theme="light"] .file-row:hover td {
    background: rgba(0, 119, 170, 0.08) !important;
    border-top-color: var(--text-accent) !important;
}

:root[data-theme="light"] .file-row.selected td {
    background: rgba(0, 119, 170, 0.15) !important;
    border-top-color: var(--text-accent) !important;
    color: var(--text-accent) !important;
}

:root[data-theme="light"] .file-row.selected .col-title {
    color: var(--text-accent) !important;
    font-weight: 600;
}

:root[data-theme="light"] .search-result-snippet {
    color: var(--text-main) !important;
}

:root[data-theme="light"] #search-modal .search-result-match {
    color: #2c2c2c !important;
}

:root[data-theme="light"] .search-highlight {
    color: var(--text-warning) !important;
    background: #fff4e6;
    padding: 2px 4px;
    border-radius: 2px;
}

:root[data-theme="light"] #quickview-content {
    background: #f6f8fa !important;
    color: #24292e !important;
    border-color: var(--border-color) !important;
}

:root[data-theme="light"] .cyber-btn {
    color: white !important;
}

:root[data-theme="light"] .btn-mobile-explorer-tab {
    color: #2c2c2c !important;
    background: var(--bg-panel) !important;
    border-color: var(--border-color) !important;
}

:root[data-theme="light"] .btn-mobile-explorer-tab.active {
    background: rgba(0, 119, 170, 0.1) !important;
    color: var(--text-accent) !important;
    border-color: var(--text-accent) !important;
}

:root[data-theme="light"] .btn-mobile-explorer {
    color: var(--text-accent) !important;
    background: transparent !important;
}

:root[data-theme="light"] .security-badge {
    color: white !important;
}

:root[data-theme="light"] .preview-expand-btn {
    color: #fff !important;
}

:root[data-theme="dark"] .preview-expand-btn {
    color: #000 !important;
}

:root[data-theme="light"] .btn-theme-toggle i {
    color: var(--text-main) !important;
}

.btn-theme-toggle {
    background: transparent !important;
    border: none !important;
    color: var(--text-accent) !important;
    padding: 8px 12px !important;
}

.btn-theme-toggle i {
    color: var(--text-accent);
    font-size: 14px;
    transition: transform 0.3s ease;
}

.btn-theme-toggle:hover {
    background: rgba(86, 182, 194, 0.1) !important;
}

:root[data-theme="light"] .btn-theme-toggle {
    border-color: var(--text-accent) !important;
}

:root[data-theme="light"] .btn-theme-toggle:hover {
    background: rgba(0, 119, 170, 0.1) !important;
}

@media (max-width: 1024px) {
    :root {
        --sidebar-width: 280px;
        --list-width: 220px;
        --header-height: 48px;
    }
    .brand-block .brand-logo { font-size: 16px; }
    .security-badge { display: none; }
    .panel-header .panel-title-text { font-size: 12px; }
    .file-table thead th { font-size: 10px; }
    .file-table tbody td { font-size: 12px; }
    .panel-toggle-btn, .sort-btn, .preview-expand-btn { min-height: 36px; }
}

@media (max-width: 900px) {
    :root {
        --header-height: 36px;
    }
}

@media (max-width: 768px) {
    /* Stack layout: explorer collapsible, files and preview full-width */
    .sys-container { grid-template-rows: var(--header-height) auto var(--status-bar-height); }
    .sys-workspace { display: grid; grid-template-columns: 1fr; grid-template-rows: auto auto; }
    #panel-explorer { order: 1; width: 100%; }
    .workspace-right { order: 2; width: 100%; }
    .workspace-right.preview-expanded { grid-template-columns: 1fr; }
    .panel { margin: 8px; }
    .panel-header { padding: 8px 10px; }
    .panel-content { padding: 8px; }
    .vertical-label { display: none; }
    .sort-btn { padding: 10px; min-width: 36px; }
    .panel-toggle-btn { padding: 8px; min-width: 36px; }
    .file-table { width: 100%; }
    .file-header-row .col-author { display: none; }
    .file-table .col-author { display: none; }
    .file-header-row .col-type { display: none; }
    .file-table .col-type { display: none; }
    .file-header-row .col-id { width: 30%; }
    .file-header-row .col-title { width: 70%; }
    .file-row { cursor: pointer; }
    /* Preview controls */
    .preview-expand-btn { padding: 10px 12px; font-size: 12px; min-height: 38px; }
    /* Touch targets for table rows */
    .file-table tbody tr { padding: 10px 8px; }
}

@media (max-width: 480px) {
    body { font-size: 13px; }
    .brand-block svg { width: 20px; height: 20px; }
    .brand-block .brand-logo { font-size: 14px; }
    .sys-controls .cyber-btn { font-size: 12px; padding: 10px 12px; min-height: 38px; }
    .panel-header .panel-title-text { font-size: 11px; }
    .file-table tbody td { padding: 8px 6px; }
    .panel-toggle-btn, .sort-btn { padding: 10px; }
    /* Code block header and line numbers tighter */
    .markdown-body pre { padding-top: 26px; }
    .hljs-ln-numbers { width: 34px; }
    .code-lang-badge, .copy-btn { padding: 3px 8px; font-size: 10px; }
    /* Modal adjustments */
    .sys-modal { width: 95%; }
    #search-modal .sys-modal { height: 80vh; }
    .panel-content { padding: 6px; }
}

/* iPhone 15/16 Pro widths ~393–430px */
@media (max-width: 430px) {
    .brand-block .brand-logo { font-size: 13px; }
    .sys-controls .cyber-btn { font-size: 11px; padding: 8px 10px; }
    .file-header-row .col-id { width: 40%; }
    .file-header-row .col-title { width: 60%; }
    .file-table tbody td { padding: 8px 5px; }
}

* {
    box-sizing: border-box;
    user-select: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Explicit smoothing for buttons and interactive elements */
button, input, select, textarea, a {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Force font-weight 500 globally, but exclude icons and tree folder names */
*:not(i):not(.fa):not(.fa-solid):not(.fa-regular):not(.fa-brands):not([class*="fa-"]):not(.tree-folder-name) {
    font-weight: 500 !important;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-core);
    color: var(--text-main);
    font-family: var(--font-mono);
    font-weight: 500;
    height: 100vh;
    overflow: hidden;
    font-size: 14px;
}

/* --- SYSTEM MODALS --- */
.sys-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    z-index: 10000; /* Above login screen */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.sys-modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.sys-modal {
    background: var(--bg-panel);
    border: 1px solid var(--text-accent);
    width: 500px;
    max-width: 90%;
    box-shadow: 0 0 30px rgba(86, 182, 194, 0.08);
    display: flex;
    flex-direction: column;
    font-family: var(--font-mono);
}

.sys-modal-header {
    background: rgba(86, 182, 194, 0.1);
    padding: 15px 20px;
    border-bottom: 1px solid var(--text-accent);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-accent);
    font-family: var(--font-mono);
    font-weight: bold;
    font-size: 14px;
    letter-spacing: 1px;
}

.sys-modal-content {
    padding: 30px;
    color: #d4d4d4;
    font-size: 14px;
    line-height: 1.6;
}

.sys-modal-footer {
    padding: 20px;
    border-top: 1px solid var(--bg-core);
    display: flex;
    justify-content: flex-end;
    background: var(--bg-core);
}

/* Quick Start Modal specific styles */
#quickstart-modal .sys-modal {
    max-height: 85vh;
    max-width: 700px;
}

#quickstart-modal .sys-modal-content {
    overflow-y: auto;
}

#quickstart-modal h2 {
    font-family: var(--font-mono);
}

#quickstart-modal h3 {
    font-family: var(--font-mono);
}

#quickstart-modal ul {
    color: var(--text-main);
}

#quickstart-modal strong {
    color: var(--text-accent);
    font-weight: 600;
}

/* Mobile adjustments for Quick Start */
@media (max-width: 900px) {
    #quickstart-modal .sys-modal {
        width: 95% !important;
        max-height: 92vh !important;
    }
    
    #quickstart-modal .sys-modal-content {
        padding: 15px 12px !important;
    }
    
    #quickstart-modal h2 {
        font-size: 16px !important;
        margin-bottom: 4px !important;
    }
    
    #quickstart-modal h3 {
        font-size: 11px !important;
        margin-bottom: 8px !important;
    }
    
    #quickstart-modal p {
        font-size: 10.5px !important;
        line-height: 1.4 !important;
        margin-bottom: 6px !important;
    }
    
    #quickstart-modal li {
        font-size: 10.5px !important;
        line-height: 1.4 !important;
    }
    
    #quickstart-modal ul {
        margin: 4px 0 0 16px !important;
    }
    
    #quickstart-modal img {
        width: 32px !important;
        height: 32px !important;
        margin-bottom: 8px !important;
    }
    
    #quickstart-modal button {
        padding: 9px 20px !important;
        font-size: 10px !important;
    }
    
    #quickstart-modal .sys-modal-content > div > div {
        margin-bottom: 10px !important;
        padding: 12px !important;
    }
}

/* Desktop search results table optimization */
@media (min-width: 901px) {
    #search-modal .search-result-actions {
        width: 1% !important;
        white-space: nowrap;
    }
    #search-modal .search-actions-wrapper {
        justify-content: flex-end !important;
        flex-wrap: nowrap !important;
    }
}

/* Modal Icons Grid */
.modal-status-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 20px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(0,0,0,0.2);
    padding: 10px;
    border: 1px solid var(--border-color);
}

.status-icon-box {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    font-size: 18px;
}

.status-details h4 {
    margin: 0 0 2px 0;
    color: #fff;
    font-size: 13px;
}

.status-details p {
    margin: 0;
    font-size: 11px;
    color: #a8a8a8;
}

/* Modal Buttons */
.modal-btn {
    background: var(--text-accent);
    color: var(--bg-core);
    border: none;
    padding: 10px 20px;
    font-family: var(--font-mono);
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.2s;
}

.modal-btn:hover {
    background: #fff;
    box-shadow: 0 0 10px rgba(255,255,255,0.3);
}


/* --- MAIN LAYOUT GRID --- */
.sys-container {
    display: grid;
    grid-template-rows: var(--header-height) 1fr var(--status-bar-height);
    height: 100vh;
    width: 100vw;
}

/* --- HEADER --- */
.sys-header {
    background-color: var(--bg-panel);
    border-bottom: 1px solid #3b4048;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Logo Image Styling */
.brand-logo-img {
    width: 28px;
    height: 28px;
    display: block;
    margin-right: 8px;
}

/* SVG Icon Styling (legacy - keeping for other SVGs) */
.brand-block svg {
    width: 28px;
    height: 28px;
    color: var(--text-accent);
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: block; /* Removes inline spacing issues */
}

.brand-logo {
    font-family: var(--font-brand);
    font-weight: 500;
    font-size: 1.5rem;
    letter-spacing: 1px;
    color: var(--text-accent);
    display: flex;
    align-items: center;
}

.security-badge {
    background: var(--text-accent);
    color: #181a1f;
    padding: 3px 8px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.5px;
    border-radius: 2px;
    text-transform: uppercase;
    box-shadow: 0 0 5px rgba(86, 182, 194, 0.2);
    font-family: var(--font-mono);
    /* Ensure badge is vertically centered */
    display: flex;
    align-items: center;
    height: 20px;
}

.sys-controls {
    display: flex;
    gap: 20px;
    color: var(--text-muted);
    align-items: center;
    font-family: var(--font-mono);
}

.cyber-btn {
    font-family: var(--font-mono);
}

.btn-search-main {
    padding: 8px 16px;
    font-size: 12px;
    background: var(--text-accent);
    border: none;
    width: auto;
    margin: 0;
}

.btn-mobile-explorer {
    padding: 8px 12px;
    font-size: 12px;
    background: transparent;
    border: 1px solid var(--text-accent);
    color: var(--text-accent);
    width: auto;
    margin: 0;
}

.mobile-tabs {
    display: flex;
    gap: 6px;
}

.btn-mobile-tab {
    padding: 6px 10px;
    font-size: 11px;
}

.sys-controls span {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.sys-controls span:hover {
    color: var(--text-main);
}

.mobile-only { display: none !important; }

@media (max-width: 900px) {
    .mobile-only { 
        display: inline-flex !important; 
    }
    /* Hamburger menu button */
    .hamburger-btn {
        position: absolute;
        left: 8px;
        top: 50%;
        transform: translateY(-50%);
        background: transparent;
        border: none;
        color: var(--text-accent);
        font-size: 18px;
        padding: 6px;
        cursor: pointer;
        z-index: 100;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    /* Condense header for mobile */
    .sys-header { 
        padding: 4px 8px; 
        flex-wrap: nowrap;
        gap: 0;
        min-height: auto;
        display: grid;
        grid-template-columns: 40px 1fr 40px;
        position: relative;
    }
    .hamburger-btn {
        grid-column: 1;
        position: static;
        transform: none;
    }
    .brand-block { 
        grid-column: 2;
        gap: 4px;
        min-width: 0;
        justify-content: center;
        align-items: center;
        display: flex;
        padding: 0;
        margin: 0;
    }
    .brand-logo-img {
        width: 20px;
        height: 20px;
        flex-shrink: 0;
    }
    .brand-block svg {
        width: 20px;
        height: 20px;
    }
    .brand-block .brand-logo { 
        font-size: 12px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        text-align: center;
        width: 100%;
    }
    .security-badge { display: none; }
    .sys-controls { 
        grid-column: 3;
        gap: 4px; 
        display: flex;
        flex-wrap: nowrap;
        justify-content: flex-end;
        align-items: center;
    }
    .btn-search-main .desktop-only {
        display: none !important;
    }
    .btn-mobile-explorer {
        display: none !important; /* Hide EXPLORER button - hamburger replaces it */
    }
    #mobile-tabs {
        display: none !important; /* Hide FILES/PREVIEW header buttons - now inside panel */
    }
    .sys-controls .cyber-btn { 
        padding: 4px 8px; 
        font-size: 10px;
        white-space: nowrap;
        min-height: auto;
        line-height: 1.2;
    }
    #mobile-tabs {
        display: flex;
        gap: 4px;
    }
    
    /* Mobile explorer internal tabs */
    .mobile-explorer-tabs {
        display: flex !important;
        gap: 6px;
        padding: 8px;
        padding-top: 12px;
        background: var(--bg-panel);
        border-bottom: 1px solid var(--border-color);
    }
    .btn-mobile-explorer-tab {
        flex: 1;
        padding: 6px 8px;
        font-size: 10px;
        background: transparent;
        border: 1px solid var(--border-color);
        color: var(--text-muted);
        cursor: pointer;
        transition: all 0.2s;
    }
    .btn-mobile-explorer-tab.active {
        background: var(--bg-accent);
        color: var(--text-accent);
        border-color: var(--text-accent);
    }
    .btn-mobile-explorer-tab:hover {
        color: var(--text-accent);
    }
    
    /* Hide EXPAND/COLLAPSE button in document reader on mobile */
    .preview-expand-btn {
        display: none !important;
    }
    
    /* Empty state styling for mobile */
    .preview-empty {
        padding: 40px 20px !important;
        text-align: center !important;
        flex-direction: column !important;
        overflow-x: hidden !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .preview-empty .desktop-only {
        display: none !important;
    }
    .preview-empty .mobile-only {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    .preview-empty .empty-instructions {
        width: 100%;
        max-width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }
    .mobile-welcome {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-accent);
        margin-bottom: 8px;
        font-family: var(--font-mono);
        line-height: 1.3;
    }
    .mobile-subtitle {
        font-size: 10px;
        color: var(--text-muted);
        letter-spacing: 1px;
        margin-bottom: 20px;
    }
    .mobile-divider {
        width: 60px;
        height: 2px;
        background: var(--text-accent);
        margin: 0 auto 20px;
        opacity: 0.5;
    }
    .mobile-guide-title {
        font-size: 12px;
        color: var(--text-main);
        margin-bottom: 16px;
        font-weight: 500;
    }
    .mobile-steps {
        text-align: left;
        width: 100%;
        max-width: 100%;
    }
    .mobile-step {
        display: flex;
        gap: 8px;
        margin-bottom: 12px;
        align-items: flex-start;
    }
    .mobile-step .step-number {
        color: var(--text-accent);
        font-weight: 600;
        font-size: 12px;
        min-width: 18px;
        flex-shrink: 0;
        font-family: var(--font-mono);
    }
    .mobile-step .step-text {
        font-size: 12px;
        line-height: 1.5;
        color: var(--text-main);
        flex: 1;
    }
    .mobile-step strong {
        color: var(--text-accent);
        font-weight: 600;
    }
    .mobile-step i {
        color: var(--text-accent);
    }
    
    /* Search modal mobile optimizations */
    .sys-modal {
        max-width: 95% !important;
        width: 95% !important;
        height: 85vh !important;
        margin: 0 10px;
    }
    
    .sys-modal-header {
        padding: 10px 12px !important;
        font-size: 12px !important;
    }
    
    .sys-modal-content {
        padding: 12px !important;
    }
    
    #quickview-content {
        max-height: 70vh !important;
        padding: 15px !important;
    }
    
    #search-modal input {
        padding: 10px 12px !important;
        font-size: 12px !important;
    }
    
    /* Convert search table to card layout on mobile */
    #search-modal table {
        display: block !important;
    }
    
    #search-modal thead {
        display: none !important;
    }
    
    #search-modal tbody {
        display: block !important;
    }
    
    #search-modal .search-result-row {
        display: flex !important;
        flex-direction: column !important;
        padding: 12px !important;
        border-bottom: 2px solid var(--border-color) !important;
        margin-bottom: 8px;
        background: var(--bg-panel-header);
        border-radius: 4px;
    }
    
    #search-modal .search-result-name,
    #search-modal .search-result-match,
    #search-modal .search-result-actions {
        display: block !important;
        width: 100% !important;
        padding: 0 !important;
        margin-bottom: 8px;
    }
    
    #search-modal .search-result-name {
        font-size: 13px !important;
        padding-bottom: 8px !important;
        border-bottom: 1px solid var(--border-color);
    }
    
    #search-modal .search-result-name > div:first-child {
        font-size: 13px !important;
        margin-bottom: 4px;
        word-break: break-word;
        overflow-wrap: break-word;
    }
    
    #search-modal .search-result-match {
        font-size: 11px !important;
        line-height: 1.5 !important;
        color: var(--text-main) !important;
        padding-bottom: 8px !important;
        word-break: break-word;
        overflow-wrap: break-word;
        max-width: 100%;
        overflow-x: auto;
    }
    
    #search-modal .search-actions-wrapper {
        display: flex !important;
        flex-direction: column !important;
        gap: 6px !important;
        width: 100%;
    }
    
    #search-modal .search-action-btn {
        width: 100% !important;
        padding: 10px 12px !important;
        font-size: 11px !important;
        text-align: center;
    }
    
    .desktop-only {
        display: none !important;
    }
    
    /* Files table: show only ID and TITLE on mobile */
    .file-table {
        table-layout: auto !important;
    }
    
    .file-header-row .col-type,
    .file-table .col-type,
    .file-header-row .col-severity,
    .file-table .col-severity,
    .file-header-row .col-author,
    .file-table .col-author {
        display: none !important;
    }
    
    .file-header-row th.col-id,
    .file-table td.col-id {
        display: table-cell !important;
        width: 1% !important;
        min-width: 90px;
        max-width: 110px;
        white-space: nowrap;
        padding-right: 8px !important;
    }
    
    .file-header-row th.col-title,
    .file-table td.col-title {
        display: table-cell !important;
        width: 99% !important;
    }
}

/* Mobile: show only document reader, hide FILES panel */
@media (max-width: 900px) {
    /* Move FILES panel inside explorer for mobile tabs */
    #panel-explorer.collapsed ~ .workspace-right #panel-files {
        display: none !important;
    }
    
    .workspace-right #panel-files {
        display: none !important;
    }
    .workspace-right .preview-panel {
        display: flex !important;
        flex: 1;
    }
}

/* Ultra-narrow: legacy code kept for compatibility */
@media (max-width: 430px) {
    .workspace-right {
        position: relative;
    }
    .sys-workspace.show-files .workspace-right .preview-panel { 
        display: none !important; 
    }
    .sys-workspace.show-preview .workspace-right #panel-files { 
        display: none !important; 
    }
    .sys-workspace.show-files .workspace-right #panel-files,
    .sys-workspace.show-preview .workspace-right .preview-panel {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        height: 100%;
        min-height: auto;
    }
    #mobile-tabs .cyber-btn.active { 
        background: var(--text-accent); 
        color: var(--bg-core); 
        border-color: var(--text-accent); 
    }
    .mobile-current-doc { 
        font-family: var(--font-mono); 
        font-size: 11px; 
        color: var(--text-muted); 
        padding: 6px 10px; 
        border-top: 1px dashed #2a2f3a;
        background: var(--bg-panel);
    }
}

/* --- MOBILE EXPLORER OVERLAY --- */
@media (max-width: 900px) {
    /* Ensure header stays above explorer */
    .sys-header {
        position: relative;
        z-index: 9999;
    }
    /* Make explorer panel a slide-over overlay */
    #panel-explorer {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        width: 100vw !important;
        max-width: 100vw !important;
        height: calc(100vh - var(--header-height));
        z-index: 9998;
        box-shadow: none;
        border-right: none;
        margin: 0;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        overflow: hidden;
    }
    /* When not collapsed, slide in */
    .sys-workspace:not(.explorer-collapsed) #panel-explorer {
        transform: translateX(0);
    }
    /* Dim background when explorer open */
    .sys-workspace::after {
        content: "";
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100vw;
        height: calc(100vh - var(--header-height));
        background: rgba(0,0,0,0.5);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease;
        z-index: 9997;
    }
    .sys-workspace:not(.explorer-collapsed)::after {
        opacity: 1;
        pointer-events: auto;
    }
    /* Ensure tree content scrolls inside overlay */
    #panel-explorer .panel-content { overflow-y: auto; }
}

/* SEARCH BOX */
.header-search-wrapper {
    display: flex;
    align-items: center;
    margin-left: 20px;
    margin-right: auto; /* Push controls to right */
    position: relative;
}

.header-search-input {
    background: var(--bg-core);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 12px 6px 30px;
    font-family: var(--font-mono);
    font-size: 12px;
    border-radius: 4px;
    width: 250px;
    transition: all 0.2s;
}

.header-search-input:focus {
    border-color: var(--text-accent);
    outline: none;
    width: 300px;
    box-shadow: 0 0 10px rgba(86, 182, 194, 0.1);
}

.header-search-icon {
    position: absolute;
    left: 10px;
    color: var(--text-muted);
    font-size: 12px;
    pointer-events: none;
}

/* --- WORKSPACE (Panels) --- */
.sys-workspace {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    overflow: hidden;
    transition: grid-template-columns 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.sys-workspace.explorer-collapsed {
    --sidebar-width: var(--collapsed-width);
}

/* Right side container for FILES + PREVIEW stack */
.workspace-right {
    display: grid;
    grid-template-rows: 30% 70%;
    overflow: hidden;
    transition: grid-template-rows 0.3s ease;
}

.workspace-right.preview-expanded {
    grid-template-rows: 0% 100%;
}

/* Common Panel Styles */
.panel {
    display: flex;
    flex-direction: column;
    background: var(--bg-panel);
    min-height: 0;
    overflow: hidden;
    position: relative;
}

#panel-explorer {
    border-right: 2px solid var(--border-color);
}

#panel-files {
    border-bottom: 1px solid var(--bg-core);
    transition: all 0.3s ease;
}

.workspace-right.preview-expanded #panel-files {
    max-height: 0;
    overflow: hidden;
    border-bottom: none;
}

.panel-header {
    height: 30px;
    background: var(--bg-panel-header);
    border-bottom: 1px solid var(--bg-core);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-family: var(--font-mono);
    position: relative;
}

@media (max-width: 900px) {
    .panel-header {
        height: 28px;
        padding: 4px 8px;
        font-size: 9px;
    }
    
    #panel-explorer .panel-header {
        padding-top: 6px;
    }
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.panel-toggle-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 5px;
    transition: color 0.2s;
    font-size: 12px;
}
.panel-toggle-btn:hover {
    color: #fff;
}

.preview-expand-btn {
    background: var(--text-accent);
    border: none;
    color: #fff;
    padding: 4px 12px;
    font-size: 10px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 3px;
    font-family: var(--font-mono);
    transition: background 0.2s, opacity 0.2s;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.preview-expand-btn:hover {
    opacity: 0.85;
}

.sort-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 5px;
    transition: color 0.2s;
    font-size: 11px;
}
.sort-btn:hover {
    color: var(--text-accent);
}

.vertical-label {
    display: none;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    white-space: nowrap;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    font-weight: bold;
    letter-spacing: 2px;
    margin-top: 20px;
    cursor: default;
    align-self: center;
    flex: 1;
    padding-bottom: 20px;
}

.panel.collapsed .panel-content,
.panel.collapsed .panel-title-text {
    display: none;
}
.panel.collapsed .panel-header {
    justify-content: center;
    padding: 0;
}
.panel.collapsed .vertical-label {
    display: block;
}

/* SCROLLBARS */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-core);
}
::-webkit-scrollbar-thumb {
    background: #3e4451;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #565c64;
}

/* --- LEFT PANEL: DIRECTORY TREE --- */
.tree-list {
    list-style: none;
    padding: 0;
    margin: 0;
    width: max-content;
    min-width: 100%;
}

.tree-item {
    padding: 0;
    cursor: pointer;
    list-style: none;
}

.tree-root {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tree-root > li {
    padding: 0;
    margin: 0;
}

.tree-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    margin: 0;
    cursor: pointer;
    border-radius: 6px;
    background: #1e222a;
    border: 1px solid #2c313c;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500 !important;
    color: #e5e9f0;
    white-space: nowrap;
    height: auto;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
    text-rendering: optimizeLegibility;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.tree-label:hover {
    background: #252932;
    border-color: #56b6c2;
    box-shadow: 0 0 8px rgba(86, 182, 194, 0.15);
}

.tree-label.active,
.tree-label.selected {
    background: rgba(86, 182, 194, 0.12);
    border-color: #56b6c2;
    box-shadow: 0 0 8px rgba(86, 182, 194, 0.2);
}

.tree-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    color: #56b6c2;
    transition: transform 0.2s ease;
    transform-origin: center center;
    cursor: pointer;
}

.tree-toggle:hover {
    color: #7dd6e0;
}

.tree-toggle i {
    font-size: 12px;
}

.tree-icon {
    font-size: 16px;
    width: 16px;
    text-align: center;
    color: #56b6c2;
    transition: all 0.2s ease;
}

.tree-folder-name {
    flex: 1;
    color: var(--text-accent);
    font-weight: 500 !important;
    font-size: 11px;
    letter-spacing: 0.5px;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
    text-rendering: optimizeLegibility;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.tree-file-count {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 2px;
    min-width: 80px;
    font-size: 10px;
    font-weight: 600;
    color: #56b6c2;
    white-space: nowrap;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
    text-rendering: optimizeLegibility;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.tree-group {
    padding-left: 16px;
    margin-left: 0;
    margin-top: 4px;
    display: none;
    list-style: none;
    border-left: none;
}
.tree-group.expanded {
    display: block;
}

/* --- MIDDLE PANEL: FILE LIST --- */
.file-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
    table-layout: fixed;
}

.file-table td {
    padding: 6px 12px;
    cursor: pointer;
    color: #9da5b4;
    box-sizing: border-box;
    background: #1e222a;
    border-top: 1px solid #2a2f3a;
    border-bottom: 1px solid #2a2f3a;
    border-right: 1px solid rgba(86, 182, 194, 0.35);
    font-family: var(--font-mono);
    font-size: 11px;
    transition: all 0.2s;
}

.file-table td:last-child {
    border-right: none;
}

.file-table th {
    padding: 8px 12px;
    background: #181c24;
    border-bottom: 2px solid var(--text-accent);
    border-right: 1px solid rgba(86, 182, 194, 0.35);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    text-align: left;
}

.file-table th:last-child {
    border-right: none;
}

.file-header-row {
    pointer-events: none;
}

.col-id {
    width: 7%;
    color: var(--text-accent);
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.col-title {
    width: 62%;
    font-weight: 500;
    color: #e0e0e0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.col-type {
    width: 8%;
    text-align: center;
    color: var(--text-accent);
    text-transform: uppercase;
    font-size: 10px;
    font-weight: 600;
    white-space: nowrap;
}

.file-table th.col-type {
    text-align: center;
}

.col-severity {
    width: 5%;
    text-align: center;
    white-space: nowrap;
}

.file-table th.col-severity {
    text-align: center;
}

.col-author {
    width: 18%;
    text-align: center;
    color: var(--text-muted);
    font-size: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-table th.col-author {
    text-align: center;
}

.sev-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 2px;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-mono);
}

.sev-critical {
    background: rgba(224, 108, 117, 0.25);
    color: #e06c75;
    border: 1px solid #e06c75;
}

.sev-high {
    background: rgba(229, 192, 123, 0.25);
    color: #e5c07b;
    border: 1px solid #e5c07b;
}

.sev-low {
    background: rgba(152, 195, 121, 0.25);
    color: #98c379;
    border: 1px solid #98c379;
}

.sev-info {
    background: rgba(86, 182, 194, 0.25);
    color: var(--text-accent);
    border: 1px solid var(--text-accent);
}

.file-row {
    transition: background 0.2s;
}

.file-row:hover {
    background: rgba(86, 182, 194, 0.05);
}

.file-row:hover td {
    background: rgba(86, 182, 194, 0.08);
    border-top-color: var(--text-accent);
}

.file-row.selected td {
    background: rgba(86, 182, 194, 0.15);
    border-top-color: var(--text-accent);
    color: var(--text-accent);
}

.file-row.selected .col-title {
    color: var(--text-accent);
    font-weight: 600;
}

/* Search Results Styles */
.search-result-snippet {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    font-style: italic;
    white-space: normal; /* Allow wrapping */
}

.search-highlight {
    color: var(--text-warning);
    font-weight: bold;
}

/* --- RIGHT PANEL: PREVIEW --- */
.preview-panel {
    background: #282c34;
}

.preview-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Loading */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
}
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(86, 182, 194, 0.15);
    border-radius: 50%;
    border-top-color: var(--text-accent);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 20px;
}
.loading-text {
    font-family: var(--font-mono);
    color: var(--text-accent);
    font-size: 14px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    animation: pulse-text 1.5s infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-text { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }

.document-view {
    padding: 10px 40px 40px 40px;
    max-width: 100%;
    margin: 0 auto;
    font-family: var(--font-mono);
    font-size: 15px;
    user-select: text;
}

@media (max-width: 900px) {
    .document-view {
        padding: 10px 15px 30px 15px;
    }
}

/* Document Metadata Table */
.doc-meta-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 30px;
    font-family: var(--font-mono);
    font-size: 13px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
    table-layout: fixed;
}

.doc-meta-table th {
    text-align: left;
    color: #fff;
    padding: 8px 15px;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.doc-meta-table th:nth-child(1) { width: 15%; }
.doc-meta-table th:nth-child(2) { width: 35%; }
.doc-meta-table th:nth-child(3) { width: 15%; }
.doc-meta-table th:nth-child(4) { width: 35%; }

.doc-meta-table td {
    text-align: left;
    color: var(--text-accent);
    padding: 8px 15px;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.doc-meta-table th:last-child,
.doc-meta-table td:last-child {
    border-right: none;
}

.doc-meta-table tbody:last-child tr:last-child td {
    border-bottom: none;
}

.meta-sev-critical { color: var(--text-alert) !important; font-weight: bold; }
.meta-sev-high { color: var(--text-warning) !important; font-weight: bold; }
.meta-sev-low { color: var(--text-success) !important; font-weight: bold; }
.meta-sev-info { color: var(--text-accent) !important; }


/* Markdown Styling Override */
.markdown-body {
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 15px;
    line-height: 1.8;
    font-weight: 500;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

@media (max-width: 900px) {
    .markdown-body {
        font-size: 14px;
        line-height: 1.6;
    }
}

.markdown-body h1 {
    font-family: 'IBM Plex Mono', var(--font-mono);
    font-size: 1.8em;
    padding-bottom: .3em;
    border-bottom: 1px solid #3e4451;
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

.markdown-body h2 {
    font-family: 'IBM Plex Mono', var(--font-mono);
    font-size: 1.4em;
    padding-bottom: .3em;
    border-bottom: 1px solid #3e4451;
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.3px;
}

.markdown-body h3 {
    font-family: 'IBM Plex Mono', var(--font-mono);
    font-size: 1.2em;
    margin-top: 20px;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--text-accent);
}

.markdown-body p {
    margin-bottom: 16px;
}

.markdown-body strong {
    font-weight: 600;
    color: var(--text-accent);
}

.markdown-body em {
    font-style: italic;
    color: #b8bcc4;
}

.markdown-body code {
    font-family: 'IBM Plex Mono', var(--font-mono);
    background: rgba(86, 182, 194, 0.1);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.9em;
    color: var(--text-accent);
}

.markdown-body pre {
    background: #21252b;
    border-radius: 6px;
    padding: 16px;
    overflow: auto;
    margin-bottom: 16px;
    border: 1px solid #181a1f;
    max-width: 100%;
}

@media (max-width: 900px) {
    .markdown-body pre {
        padding: 12px;
        font-size: 12px;
    }
}

.markdown-body pre code {
    font-family: 'IBM Plex Mono', var(--font-mono);
    background: none;
    padding: 0;
    color: inherit;
    font-size: 14px;
}

.markdown-body ul,
.markdown-body ol {
    margin-bottom: 16px;
    padding-left: 2em;
}

.markdown-body li {
    margin-bottom: 8px;
}

.markdown-body blockquote {
    margin: 16px 0;
    padding: 0 1em;
    color: #8a8f9d;
    border-left: 3px solid var(--text-accent);
    font-style: italic;
}

.markdown-body a {
    color: var(--text-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.markdown-body a:hover {
    border-bottom-color: var(--text-accent);
}

/* Table wrapper for horizontal scrolling */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 16px;
    max-width: 100%;
    display: block;
}

.markdown-body table:not(.hljs-ln) {
    border-collapse: collapse;
    width: max-content;
    min-width: 100%;
    margin-bottom: 0;
}

.markdown-body table:not(.hljs-ln) th,
.markdown-body table:not(.hljs-ln) td {
    padding: 8px 12px;
    border: 1px solid #3e4451;
    font-family: 'IBM Plex Mono', var(--font-mono);
}

.markdown-body table:not(.hljs-ln) th {
    background: #21252b;
    font-weight: 600;
    color: var(--text-accent);
}

.markdown-body hr {
    border: none;
    border-top: 1px solid #3e4451;
    margin: 24px 0;
}

/* --- GITHUB STYLE ALERTS --- */
.markdown-alert {
    padding: 8px 16px;
    margin-bottom: 16px;
    color: inherit;
    border: 1px solid;
    border-radius: 6px;
}

.markdown-alert-title {
    display: flex;
    align-items: center;
    line-height: 1;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
    margin-top: 2px;
}

.markdown-alert-title svg {
    margin-right: 10px;
    fill: currentColor;
    width: 20px;
    height: 20px;
}

.markdown-alert > p:last-child {
    margin-bottom: 0;
}
.markdown-alert > p:nth-child(2) {
    margin-top: 0;
}

/* Alert Colors */
.markdown-alert.markdown-alert-note {
    border-color: rgba(56, 139, 253, 0.4);
    background-color: rgba(56, 139, 253, 0.1);
}
.markdown-alert.markdown-alert-note .markdown-alert-title { color: #4493f8; }

.markdown-alert.markdown-alert-tip {
    border-color: rgba(63, 185, 80, 0.4);
    background-color: rgba(46, 160, 67, 0.1);
}
.markdown-alert.markdown-alert-tip .markdown-alert-title { color: #3fb950; }

.markdown-alert.markdown-alert-important {
    border-color: rgba(163, 113, 247, 0.4);
    background-color: rgba(137, 87, 229, 0.1);
}
.markdown-alert.markdown-alert-important .markdown-alert-title { color: #a371f7; }

.markdown-alert.markdown-alert-warning {
    border-color: rgba(210, 153, 34, 0.4);
    background-color: rgba(187, 128, 9, 0.1);
}
.markdown-alert.markdown-alert-warning .markdown-alert-title { color: #d29922; }

.markdown-alert.markdown-alert-caution {
    border-color: rgba(248, 81, 73, 0.4);
    background-color: rgba(218, 54, 51, 0.1);
}
.markdown-alert.markdown-alert-caution .markdown-alert-title { color: #f85149; }


/* --- STATUS BAR --- */
.sys-status-bar {
    background: var(--bg-panel);
    border-top: 1px solid #3b4048; /* Clearer border */
    display: flex;
    align-items: center;
    padding: 0 15px;
    font-size: 11px;
    color: #9da5b4;
    justify-content: space-between;
}

.status-ready { color: var(--text-success); font-weight: bold; letter-spacing: 1px; }
.status-busy { color: var(--text-alert); font-weight: bold; letter-spacing: 1px; animation: pulse-status 1s infinite; }
@keyframes pulse-status { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* --- TOAST NOTIFICATION --- */
.toast-notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #1e222a;
    border: 2px solid var(--text-accent);
    border-radius: 4px;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 20px rgba(86, 182, 194, 0.3);
    z-index: 10000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.toast-notification.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-notification i {
    color: var(--text-accent);
    font-size: 18px;
}

.toast-notification span {
    color: var(--text-accent);
    letter-spacing: 0.5px;
}

/* --- MOBILE --- */
@media (max-width: 900px) {
    /* Ensure panels stack and are visible on mobile */
    .sys-container { 
        grid-template-rows: auto 1fr var(--status-bar-height); 
    }
    .sys-workspace { 
        display: flex;
        flex-direction: column;
        height: 100%;
        overflow: hidden;
    }
    .workspace-right { 
        display: flex;
        flex-direction: column;
        flex: 1;
        min-height: 0;
        overflow: auto;
    }
    .workspace-right #panel-files,
    .workspace-right .preview-panel {
        flex: 1;
        min-height: 300px;
        margin: 0;
        border-radius: 0;
    }

    .toast-notification {
        bottom: 20px;
        right: 20px;
        left: 20px;
        font-size: 11px;
    }
}