/* Markdown Reader, Viewer & Live Editor Styles */

.crt-markdown-app {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    box-sizing: border-box;
}

.crt-markdown-app *,
.crt-markdown-app *::before,
.crt-markdown-app *::after {
    box-sizing: inherit;
}

/* Toolbar */
.md-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 14px;
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e1e4e8);
    border-radius: 8px;
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.06));
}

.md-toolbar-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
}

.md-toolbar-divider {
    width: 1px;
    height: 22px;
    background: var(--border-color, #e1e4e8);
    margin: 0 4px;
    display: inline-block;
}

/* Tool Buttons */
.md-btn-tool {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary, #2E3440);
    padding: 6px 9px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition-fast, 0.2s ease);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
}

.md-btn-tool:hover {
    background: rgba(0, 168, 232, 0.1);
    color: var(--accent-color, #00A8E8);
    border-color: rgba(0, 168, 232, 0.2);
}

.md-btn-tool:active {
    transform: scale(0.96);
}

/* Utility Buttons (Sample, Open, Clear) */
.md-btn-outline {
    background: transparent;
    border: 1px solid var(--border-color, #e1e4e8);
    color: var(--text-secondary, #2E3440);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast, 0.2s ease);
    height: 32px;
}

.md-btn-outline:hover {
    background: rgba(0, 168, 232, 0.08);
    border-color: var(--accent-color, #00A8E8);
    color: var(--accent-color, #00A8E8);
}

.md-btn-outline.md-btn-danger:hover {
    background: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
    color: #dc3545;
}

/* View Mode Switcher */
.md-view-switch {
    display: inline-flex;
    align-items: center;
    background: var(--bg-color, #F6F8FA);
    border: 1px solid var(--border-color, #e1e4e8);
    border-radius: 6px;
    padding: 2px;
    gap: 2px;
}

.md-view-btn {
    background: transparent;
    border: none;
    color: var(--text-muted, #586069);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all var(--transition-fast, 0.2s ease);
}

.md-view-btn:hover {
    color: var(--text-primary, #0A1F44);
}

.md-view-btn.active {
    background: var(--surface-color, #ffffff);
    color: var(--accent-color, #00A8E8);
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

/* Drag and Drop Overlay */
.md-drop-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 31, 68, 0.85);
    z-index: 99;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    transition: opacity 0.2s ease;
}

.md-drop-box {
    text-align: center;
    color: #ffffff;
    padding: 30px 40px;
    border: 2px dashed #00A8E8;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.25);
}

.md-drop-box i {
    font-size: 48px;
    color: #00A8E8;
    margin-bottom: 12px;
}

.md-drop-box h3 {
    margin: 0 0 6px 0;
    color: #ffffff;
    font-size: 20px;
}

.md-drop-box p {
    margin: 0;
    color: #c9d1d9;
    font-size: 14px;
}

/* Main Workspace */
.md-workspace {
    display: grid;
    gap: 16px;
    min-height: 580px;
    transition: all 0.25s ease;
}

.md-workspace.mode-split {
    grid-template-columns: 1fr 1fr;
}

.md-workspace.mode-editor {
    grid-template-columns: 1fr;
}

.md-workspace.mode-editor .md-pane-preview {
    display: none;
}

.md-workspace.mode-preview {
    grid-template-columns: 1fr;
}

.md-workspace.mode-preview .md-pane-editor {
    display: none;
}

/* Panes */
.md-pane {
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e1e4e8);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.04));
}

.md-pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-color, #F6F8FA);
    border-bottom: 1px solid var(--border-color, #e1e4e8);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted, #586069);
    user-select: none;
}

.md-pane-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary, #2E3440);
}

.md-pane-title i {
    color: var(--accent-color, #00A8E8);
}

.md-autosave-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: #28a745;
    background: rgba(40, 167, 69, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
}

.md-sync-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    cursor: pointer;
    user-select: none;
    color: var(--text-muted, #586069);
}

.md-sync-toggle input {
    cursor: pointer;
    accent-color: var(--accent-color, #00A8E8);
}

/* Editor Input */
.md-editor-container {
    flex: 1;
    display: flex;
    position: relative;
    min-height: 500px;
}

#md-editor-input {
    width: 100%;
    height: 100%;
    min-height: 500px;
    padding: 16px;
    border: none;
    outline: none;
    resize: none;
    font-family: var(--font-mono, 'Fira Code', 'Courier New', monospace);
    font-size: 14px;
    line-height: 1.65;
    background: var(--surface-color, #ffffff);
    color: var(--text-primary, #0A1F44);
    tab-size: 4;
}

#md-editor-input::placeholder {
    color: var(--text-muted, #999);
}

/* Reader / Preview Container */
.md-preview-container {
    flex: 1;
    overflow-y: auto;
    max-height: 700px;
    min-height: 500px;
    padding: 20px 24px;
    background: var(--surface-color, #ffffff);
}

/* Rendered Markdown Typography */
.md-rendered-content {
    color: var(--text-primary, #0A1F44);
    font-family: var(--font-body, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
    font-size: 15px;
    line-height: 1.75;
    word-break: break-word;
}

.md-rendered-content > *:first-child {
    margin-top: 0 !important;
}

.md-rendered-content > *:last-child {
    margin-bottom: 0 !important;
}

.md-rendered-content h1,
.md-rendered-content h2,
.md-rendered-content h3,
.md-rendered-content h4,
.md-rendered-content h5,
.md-rendered-content h6 {
    color: var(--text-primary, #0A1F44);
    font-weight: 700;
    margin-top: 24px;
    margin-bottom: 12px;
    line-height: 1.35;
}

.md-rendered-content h1 {
    font-size: 26px;
    border-bottom: 1px solid var(--border-color, #e1e4e8);
    padding-bottom: 8px;
}

.md-rendered-content h2 {
    font-size: 21px;
    border-bottom: 1px solid var(--border-color, #e1e4e8);
    padding-bottom: 6px;
}

.md-rendered-content h3 { font-size: 18px; }
.md-rendered-content h4 { font-size: 16px; }
.md-rendered-content h5 { font-size: 14px; }
.md-rendered-content h6 { font-size: 13px; color: var(--text-muted, #586069); }

.md-rendered-content p {
    margin-top: 0;
    margin-bottom: 14px;
}

.md-rendered-content a {
    color: var(--accent-color, #00A8E8);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.md-rendered-content a:hover {
    opacity: 0.85;
}

.md-rendered-content strong {
    font-weight: 700;
}

.md-rendered-content em {
    font-style: italic;
}

.md-rendered-content del {
    text-decoration: line-through;
    color: var(--text-muted, #586069);
}

.md-rendered-content blockquote {
    margin: 16px 0;
    padding: 10px 18px;
    background: rgba(0, 168, 232, 0.05);
    border-left: 4px solid var(--accent-color, #00A8E8);
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary, #2E3440);
    font-style: italic;
}

.md-rendered-content blockquote p:last-child {
    margin-bottom: 0;
}

/* Lists */
.md-rendered-content ul,
.md-rendered-content ol {
    margin: 12px 0 16px 0;
    padding-left: 24px;
}

.md-rendered-content li {
    margin-bottom: 6px;
}

.md-rendered-content li > ul,
.md-rendered-content li > ol {
    margin: 4px 0 6px 0;
}

/* Task Checklists */
.md-rendered-content ul:has(input[type="checkbox"]) {
    list-style: none;
    padding-left: 6px;
}

.md-rendered-content li input[type="checkbox"] {
    margin-right: 8px;
    vertical-align: middle;
    accent-color: var(--accent-color, #00A8E8);
}

/* Code & Pre */
.md-rendered-content code {
    font-family: var(--font-mono, 'Fira Code', 'Courier New', monospace);
    font-size: 88%;
    background: var(--bg-color, #F6F8FA);
    border: 1px solid var(--border-color, #e1e4e8);
    padding: 2px 6px;
    border-radius: 4px;
    color: #e83e8c;
}

.md-rendered-content pre {
    background: #1e1e24;
    color: #e2e8f0;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 16px 0;
    border: 1px solid var(--border-color, #2d3748);
}

.md-rendered-content pre code {
    background: transparent;
    border: none;
    color: inherit;
    padding: 0;
    font-size: 13px;
    line-height: 1.6;
}

/* Tables */
.md-rendered-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0;
    font-size: 14px;
    border: 1px solid var(--border-color, #e1e4e8);
    border-radius: 6px;
    overflow: hidden;
}

.md-rendered-content th,
.md-rendered-content td {
    padding: 10px 14px;
    border: 1px solid var(--border-color, #e1e4e8);
    text-align: left;
}

.md-rendered-content th {
    background: var(--bg-color, #F6F8FA);
    font-weight: 700;
    color: var(--text-primary, #0A1F44);
}

.md-rendered-content tr:nth-child(even) td {
    background: rgba(0,0,0,0.015);
}

/* Horizontal Rule */
.md-rendered-content hr {
    height: 1px;
    background: var(--border-color, #e1e4e8);
    border: none;
    margin: 24px 0;
}

/* Images */
.md-rendered-content img {
    max-width: 100%;
    height: auto;
    max-height: 500px;
    display: block;
    margin: 16px auto;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid var(--border-color, #e1e4e8);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.08));
}

/* Empty Placeholder in Preview */
.md-preview-empty {
    text-align: center;
    color: var(--text-muted, #586069);
    padding: 80px 20px;
}

.md-preview-empty i {
    font-size: 42px;
    color: var(--border-color, #ccc);
    margin-bottom: 12px;
    display: block;
}

/* Footer Bar */
.md-footer-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface-color, #ffffff);
    border: 1px solid var(--border-color, #e1e4e8);
    border-radius: 8px;
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.06));
}

.md-stats-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted, #586069);
}

.md-stat-item strong {
    color: var(--accent-color, #00A8E8);
    font-weight: 700;
}

.md-stat-sep {
    color: var(--border-color, #ccc);
}

.md-actions-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.md-action-btn {
    background: transparent;
    border: 1px solid var(--border-color, #e1e4e8);
    color: var(--text-secondary, #2E3440);
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast, 0.2s ease);
}

.md-action-btn:hover {
    background: var(--bg-color, #F6F8FA);
    border-color: var(--accent-color, #00A8E8);
    color: var(--accent-color, #00A8E8);
}

.md-action-btn.md-btn-primary {
    background: var(--accent-color, #00A8E8);
    border-color: var(--accent-color, #00A8E8);
    color: #ffffff;
}

.md-action-btn.md-btn-primary:hover {
    background: #0093cc;
    border-color: #0093cc;
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(0, 168, 232, 0.3);
}

.md-action-btn.md-btn-pdf {
    background: #e05638;
    border-color: #e05638;
    color: #ffffff;
}

.md-action-btn.md-btn-pdf:hover {
    background: #c94529;
    border-color: #c94529;
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(224, 86, 56, 0.35);
}

.md-action-btn:active {
    transform: translateY(1px);
}

/* Dark Mode Overrides */
[data-theme="dark"] .md-toolbar,
[data-theme="dark"] .md-pane,
[data-theme="dark"] .md-footer-bar {
    background: var(--surface-color, #0A1F44);
    border-color: var(--border-color, #1a365d);
}

[data-theme="dark"] .md-pane-header {
    background: rgba(0, 0, 0, 0.2);
    border-color: var(--border-color, #1a365d);
}

[data-theme="dark"] #md-editor-input,
[data-theme="dark"] .md-preview-container {
    background: var(--surface-color, #0A1F44);
    color: var(--text-secondary, #e2e8f0);
}

[data-theme="dark"] .md-rendered-content {
    color: var(--text-secondary, #e2e8f0);
}

[data-theme="dark"] .md-rendered-content h1,
[data-theme="dark"] .md-rendered-content h2,
[data-theme="dark"] .md-rendered-content h3,
[data-theme="dark"] .md-rendered-content h4,
[data-theme="dark"] .md-rendered-content h5,
[data-theme="dark"] .md-rendered-content h6 {
    color: var(--text-primary, #ffffff);
    border-color: var(--border-color, #1a365d);
}

[data-theme="dark"] .md-rendered-content code {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-color, #1a365d);
    color: #ff79c6;
}

[data-theme="dark"] .md-rendered-content pre {
    background: #050e1f;
    border-color: #1a365d;
}

[data-theme="dark"] .md-rendered-content th {
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-primary, #ffffff);
}

[data-theme="dark"] .md-rendered-content th,
[data-theme="dark"] .md-rendered-content td {
    border-color: var(--border-color, #1a365d);
}

[data-theme="dark"] .md-rendered-content tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .md-view-switch {
    background: rgba(0, 0, 0, 0.3);
    border-color: var(--border-color, #1a365d);
}

[data-theme="dark"] .md-view-btn.active {
    background: var(--surface-color, #0A1F44);
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
    .md-workspace.mode-split {
        grid-template-columns: 1fr;
    }
    .md-editor-container,
    #md-editor-input,
    .md-preview-container {
        min-height: 380px;
        max-height: 450px;
    }
    .md-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .md-toolbar-group {
        justify-content: center;
    }
    .md-footer-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .md-actions-group,
    .md-stats-group {
        justify-content: center;
    }
}

/* Print / PDF Styling */
@media print {
    header, footer, .site-header, .site-footer, .sidebar-right, 
    .breadcrumbs, .tool-header-section, .md-toolbar, .md-footer-bar,
    .md-pane-editor, .md-pane-header, .page-seo-content, .tool-content > h2,
    .tool-content > p, .tool-content > table, .tool-content > ul {
        display: none !important;
    }

    body, .tool-container, .tool-content, .crt-markdown-app, .md-workspace, .md-pane-preview, .md-preview-container {
        margin: 0 !important;
        padding: 0 !important;
        background: #ffffff !important;
        color: #000000 !important;
        box-shadow: none !important;
        border: none !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .md-rendered-content {
        color: #111111 !important;
        font-size: 14pt !important;
        line-height: 1.6 !important;
    }

    .md-rendered-content pre,
    .md-rendered-content code {
        background: #f4f4f5 !important;
        color: #222222 !important;
        border: 1px solid #ddd !important;
    }

    .md-rendered-content table,
    .md-rendered-content th,
    .md-rendered-content td {
        border-color: #cccccc !important;
        page-break-inside: avoid;
    }

    .md-rendered-content img {
        max-width: 100% !important;
        max-height: 420px !important;
        height: auto !important;
        display: block !important;
        margin: 15px auto !important;
        object-fit: contain !important;
        page-break-inside: avoid !important;
    }
}

/* Dedicated PDF Export Modal Container Styles */
.md-pdf-export {
    background: #ffffff !important;
    color: #111111 !important;
    box-sizing: border-box !important;
}

.md-pdf-export h1,
.md-pdf-export h2,
.md-pdf-export h3,
.md-pdf-export h4 {
    color: #0A1F44 !important;
}

.md-pdf-export h1 {
    border-bottom: 2px solid #eaeaea !important;
    padding-bottom: 8px !important;
}

.md-pdf-export h2 {
    border-bottom: 1px solid #eaeaea !important;
    padding-bottom: 6px !important;
}

.md-pdf-export table,
.md-pdf-export th,
.md-pdf-export td {
    border-color: #dddddd !important;
    page-break-inside: avoid !important;
}

.md-pdf-export th {
    background: #f6f8fa !important;
    color: #0A1F44 !important;
}

.md-pdf-export pre {
    background: #1f242d !important;
    color: #f8f8f2 !important;
    border: 1px solid #2d3748 !important;
    page-break-inside: avoid !important;
}

.md-pdf-export code {
    background: #f6f8fa !important;
    color: #d63384 !important;
}

.md-pdf-export pre code {
    background: transparent !important;
    color: inherit !important;
}

.md-pdf-export blockquote {
    border-left: 4px solid #00A8E8 !important;
    background: #f4faff !important;
    color: #2E3440 !important;
    page-break-inside: avoid !important;
}

.md-pdf-export img {
    max-width: 100% !important;
    max-height: 420px !important;
    height: auto !important;
    display: block !important;
    margin: 16px auto !important;
    object-fit: contain !important;
    page-break-inside: avoid !important;
}