/* HTML/CSS Viewer Styles - Dark Theme */

.html-css-viewer {
    display: flex;
    gap: 0;
    background-color: #1e1e1e;
    border-radius: 8px;
    height: 600px;
    box-sizing: border-box;
    border: 1px solid #3c3c3c;
    overflow: hidden;
}

/* ========== Code Panel (Left Side) ========== */
.code-panel {
    display: flex;
    flex-direction: column;
    background-color: #252526;
    overflow: hidden;
    min-width: 200px;
    flex: 1;
    transition: flex 0.3s ease;
}

.code-panel.half-collapsed {
    flex: 0 0 25%;
    min-width: 200px;
}

.code-panel.collapsed {
    flex: 0 0 40px;
    min-width: 40px;
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    background-color: #2d2d30;
    border-bottom: 1px solid #3c3c3c;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
    flex-shrink: 0;
}

.tab-nav::-webkit-scrollbar {
    height: 4px;
}

.tab-nav::-webkit-scrollbar-track {
    background: transparent;
}

.tab-nav::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.code-panel.collapsed .tab-nav {
    flex-direction: column;
    overflow-x: visible;
    overflow-y: auto;
    height: 100%;
    border-bottom: none;
    border-right: 1px solid #3c3c3c;
}

.tab-button {
    padding: 8px 16px;
    background-color: transparent;
    border: none;
    color: #888;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    white-space: nowrap;
    transition: background-color 0.2s, color 0.2s;
    border-bottom: 2px solid transparent;
}

.code-panel.collapsed .tab-button {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 16px 8px;
    border-bottom: none;
    border-left: 2px solid transparent;
}

.tab-button:hover {
    background-color: #3c3c3c;
    color: #e0e0e0;
}

.tab-button.active {
    color: #fff;
    background-color: #1e1e1e;
    border-bottom-color: #007acc;
    font-weight: 600;
}

/* Selected CSS tab - shows which CSS is used for preview/export */
.tab-button.css-tab.selected {
    background-color: #0e3a5c;
    border-bottom: 3px solid #007acc;
    color: #4fc3f7;
}

.tab-button.css-tab.selected:not(.active) {
    background-color: #0a2a42;
}

.tab-button.css-tab.active {
    background-color: #0e3a5c;
    border-bottom: 3px solid #007acc;
}

.code-panel.collapsed .tab-button.active {
    border-bottom-color: transparent;
    border-left-color: #007acc;
}

.code-panel.collapsed .tab-button.css-tab.selected {
    background-color: #0e3a5c;
    border-bottom: none;
    border-left: 3px solid #007acc;
    color: #4fc3f7;
}

.code-panel.collapsed .tab-button.css-tab.selected:not(.active) {
    background-color: #0a2a42;
}

.code-panel.collapsed .tab-button.css-tab.active {
    background-color: #0e3a5c;
    border-bottom: none;
    border-left: 3px solid #007acc;
}

/* CSS Tab structure */
.tab-button.css-tab {
    display: flex;
    align-items: center;
    gap: 6px;
}

.code-panel.collapsed .tab-button.css-tab {
    flex-direction: column;
}

.tab-button .tab-label {
    flex: 1;
}

.tab-button .tab-close {
    display: none;
    width: 16px;
    height: 16px;
    line-height: 14px;
    text-align: center;
    border-radius: 3px;
    font-size: 14px;
    opacity: 0.6;
    transition: opacity 0.2s, background-color 0.2s;
}

.tab-button.css-tab:hover .tab-close {
    display: inline-block;
}

.tab-button .tab-close:hover {
    opacity: 1;
    background-color: rgba(255, 0, 0, 0.2);
    color: #ff6b6b;
}

/* Utility buttons in tab nav */
.add-css-button,
.upload-image-button,
.reset-button,
.font-size-button,
.theme-button {
    padding: 8px 12px;
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s, color 0.2s;
}

.add-css-button {
    border: 1px dashed #3c3c3c;
    margin: 4px;
    border-radius: 4px;
    font-weight: bold;
}

.add-css-button:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #007acc;
    color: #e0e0e0;
}

.reset-button {
    margin-left: auto;
    font-size: 1.1rem;
}

.font-size-button:hover,
.theme-button:hover,
.reset-button:hover {
    background-color: #3c3c3c;
    color: #e0e0e0;
}

/* Panel Controls (expand/collapse buttons at bottom) */
.panel-controls {
    display: flex;
    justify-content: center;
    gap: 4px;
    padding: 6px;
    background-color: #2d2d30;
    border-top: 1px solid #3c3c3c;
    flex-shrink: 0;
}

.collapse-button,
.expand-button {
    font-size: 0.9rem;
    padding: 6px 12px;
    background: none;
    border: 1px solid #3c3c3c;
    border-radius: 4px;
    color: #888;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.collapse-button:hover,
.expand-button:hover {
    background-color: #3c3c3c;
    color: #e0e0e0;
}

.code-panel.collapsed .collapse-button,
.code-panel.collapsed .expand-button {
    padding: 8px 6px;
}

/* Tab Content Area */
.tab-content {
    flex: 1;
    overflow: hidden;
    position: relative;
    background-color: #1e1e1e;
    min-height: 0;
}

.code-panel.collapsed .tab-nav {
    display: none;
}

.code-panel.collapsed .tab-content {
    display: none;
}

.code-panel.collapsed .panel-controls {
    flex: 1;
    justify-content: center;
    align-items: center;
}

.tab-pane {
    display: none;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

.tab-pane.active {
    display: block;
}

/* CodeMirror wrapper */
.codemirror-wrapper {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

/* CodeMirror overrides */
.html-css-viewer .CodeMirror {
    height: 100%;
    width: 100%;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    border: none;
}

.html-css-viewer .CodeMirror-scroll {
    overflow-x: auto !important;
    overflow-y: auto !important;
}

.html-css-viewer .CodeMirror-scroll::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.html-css-viewer .CodeMirror-scroll::-webkit-scrollbar-track {
    background: #1e1e1e;
}

.html-css-viewer .CodeMirror-scroll::-webkit-scrollbar-thumb {
    background-color: #3c3c3c;
    border-radius: 4px;
}

.html-css-viewer .CodeMirror-scroll::-webkit-scrollbar-thumb:hover {
    background-color: #505050;
}

/* ========== Render Panel (Right Side) ========== */
.render-panel {
    display: flex;
    flex-direction: column;
    background-color: #252526;
    overflow: hidden;
    min-width: 200px;
    flex: 1;
}

/* Render Navigation */
.render-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #2d2d30;
    border-bottom: 1px solid #3c3c3c;
    padding: 6px 10px;
    flex-shrink: 0;
}

.render-nav-left,
.render-nav-right {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.render-nav-left {
    justify-content: flex-start;
}

.render-nav-right {
    justify-content: flex-end;
}

.render-nav-center {
    display: flex;
    justify-content: center;
    flex: 2;
}

/* Width Slider */
.width-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.width-control label {
    color: #888;
    font-size: 0.8rem;
    white-space: nowrap;
}

.width-slider {
    width: 120px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: #3c3c3c;
    border-radius: 2px;
    outline: none;
}

.width-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #007acc;
    cursor: pointer;
    border: 2px solid #fff;
}

.width-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #007acc;
    cursor: pointer;
    border: 2px solid #fff;
}

.width-value {
    color: #888;
    font-size: 0.8rem;
    min-width: 40px;
}

/* Action Buttons */
.preview-button,
.export-button,
.share-link-button {
    padding: 6px 12px;
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    font-size: 0.85rem;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.preview-button:hover,
.export-button:hover,
.share-link-button:hover {
    background-color: #3c3c3c;
    color: #e0e0e0;
}

/* Render Frame Container */
.render-content {
    flex: 1;
    position: relative;
    background-color: #1a1a1a;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    overflow: auto;
    padding: 16px;
}

.render-frame {
    background-color: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    height: 100%;
    transition: width 0.2s ease;
    border-radius: 4px;
    overflow: hidden;
}

.render-iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ========== Theme Modal ========== */
.theme-modal,
.font-size-modal,
.image-upload-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.theme-modal.show,
.font-size-modal.show,
.image-upload-modal.show {
    display: flex;
}

.theme-modal-overlay,
.font-size-modal-overlay,
.image-upload-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
}

.theme-modal-content,
.font-size-modal-content,
.image-upload-modal-content {
    position: relative;
    background-color: #252526;
    border: 1px solid #3c3c3c;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.theme-modal-header,
.font-size-modal-header,
.image-upload-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #3c3c3c;
}

.theme-modal-header h3,
.font-size-modal-header h3,
.image-upload-modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: #e0e0e0;
}

.theme-modal-close,
.font-size-modal-close,
.image-upload-modal-close {
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.theme-modal-close:hover,
.font-size-modal-close:hover,
.image-upload-modal-close:hover {
    background-color: #3c3c3c;
}

.theme-modal-body,
.font-size-modal-body,
.image-upload-modal-body {
    padding: 20px;
    overflow-y: auto;
}

/* Theme Grid */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.theme-option {
    padding: 12px 16px;
    background-color: #1e1e1e;
    border: 2px solid transparent;
    color: #e0e0e0;
    cursor: pointer;
    text-align: center;
    font-size: 0.85rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.theme-option:hover {
    background-color: #3c3c3c;
    border-color: #505050;
}

.theme-option.active {
    background-color: #007acc;
    color: white;
    border-color: #007acc;
    font-weight: 600;
}

/* Font Size Controls */
.font-size-control {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.font-size-control label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #e0e0e0;
    font-size: 0.875rem;
}

.font-size-value {
    font-weight: 600;
    color: #007acc;
    font-size: 1rem;
}

#font-size-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #3c3c3c;
    outline: none;
    -webkit-appearance: none;
}

#font-size-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #007acc;
    cursor: pointer;
    border: 2px solid #fff;
}

#font-size-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #007acc;
    cursor: pointer;
    border: 2px solid #fff;
}

.font-size-marks {
    display: flex;
    justify-content: space-between;
    color: #888;
    font-size: 0.75rem;
}

/* ========== Image Upload Modal ========== */
.image-upload-dropzone {
    border: 2px dashed #3c3c3c;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background-color: #1e1e1e;
}

.image-upload-dropzone:hover,
.image-upload-dropzone.dragover {
    border-color: #007acc;
    background-color: rgba(0, 122, 204, 0.1);
}

.image-upload-dropzone p {
    margin: 0;
    color: #888;
    font-size: 0.9rem;
    line-height: 1.6;
}

.image-preview-container {
    text-align: center;
    margin-bottom: 16px;
}

.image-preview-container img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 6px;
    border: 1px solid #3c3c3c;
}

.image-info {
    margin-top: 8px;
    font-size: 0.85rem;
    color: #888;
}

.image-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.image-option-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.image-option-group label {
    font-size: 0.85rem;
    color: #888;
}

.image-option-group input[type="text"] {
    padding: 8px 12px;
    border: 1px solid #3c3c3c;
    border-radius: 4px;
    background-color: #1e1e1e;
    color: #e0e0e0;
    font-size: 0.9rem;
}

.image-option-group input[type="text"]:focus {
    outline: none;
    border-color: #007acc;
}

.image-upload-actions {
    margin-top: 20px;
    display: flex;
    justify-content: flex-end;
}

.image-insert-button {
    padding: 10px 24px;
    background-color: #007acc;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.image-insert-button:hover:not(:disabled) {
    background-color: #005a9e;
}

.image-insert-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========== Code Preview Modal ========== */
.code-preview-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.code-preview-modal.show {
    display: flex;
}

.code-preview-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
}

.code-preview-modal-content {
    position: relative;
    background-color: #1e1e1e;
    border: 1px solid #3c3c3c;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.code-preview-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid #3c3c3c;
    background-color: #252526;
    border-radius: 8px 8px 0 0;
}

.code-preview-modal-header h3 {
    margin: 0;
    font-size: 1rem;
    color: #e0e0e0;
    font-weight: 500;
}

.code-preview-modal-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.code-preview-copy-btn,
.code-preview-save-btn {
    padding: 6px 14px;
    background-color: #007acc;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.code-preview-copy-btn:hover,
.code-preview-save-btn:hover {
    background-color: #005a9e;
}

.code-preview-modal-close {
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s;
    margin-left: 8px;
}

.code-preview-modal-close:hover {
    background-color: #3c3c3c;
    color: #e0e0e0;
}

.code-preview-modal-body {
    flex: 1;
    overflow: auto;
    padding: 0;
}

.code-preview-content {
    margin: 0;
    padding: 16px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.5;
    color: #d4d4d4;
    white-space: pre-wrap;
    word-wrap: break-word;
    background-color: #1e1e1e;
}

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
    .html-css-viewer {
        flex-direction: column;
        height: auto;
    }

    .code-panel,
    .render-panel {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .tab-button {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .width-control {
        display: none;
    }
}