:root {
    --bg-color: #1e1e2e;
    --primary-color: #cdd6f4;
    --secondary-color: #313244;
    --accent-color: #89b4fa;
    --border-color: #45475a;
    --header-bg: #181825;
    --error-color: #f38ba8;
    --warn-color: #fab387;
    --modal-bg: rgba(17, 17, 27, 0.75);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--primary-color);
    line-height: 1.6;
}


:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}


.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}


.container {
    max-width: 95%;
    margin: 0 auto;
    padding: 1rem 1rem;
}

.main-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.main-header h1 {
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}


.mode-selector {
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem;
    margin-bottom: 1rem;
}

.mode-selector-header {
    font-weight: bold;
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.mode-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.5rem;
}

.mode-option {
    display: flex;
    flex-direction: column;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
    background-color: var(--header-bg);
}

.mode-option:hover {
    border-color: var(--accent-color);
    background-color: var(--secondary-color);
}

.mode-option input[type="radio"]:checked + span {
    color: var(--accent-color);
}

.mode-option:has(input[type="radio"]:checked) {
    border-color: var(--accent-color);
    background-color: var(--accent-color);
    color: var(--bg-color);
}

.mode-option:has(input[type="radio"]:checked) span,
.mode-option:has(input[type="radio"]:checked) small {
    color: var(--bg-color);
}

.mode-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.mode-option span {
    font-weight: bold;
    margin-bottom: 0.15rem;
}

.mode-option small {
    color: var(--primary-color);
    opacity: 0.8;
}


.editor-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.files-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.files-header span {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--accent-color);
}

.files-header-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Button base styles */
.btn, .add-file-btn, .import-file-btn, .toolbar-btn, .clear-btn {
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    transition: background-color 0.2s;
}

.btn {
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: bold;
}
.btn:hover { 
    background-color: #a6caff; 
}

.add-file-btn, .import-file-btn {
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}
.add-file-btn:hover, .import-file-btn:hover {
    background-color: #a6caff;
}

.import-file-btn {
    background-color: #fab387;
}
.import-file-btn:hover {
    background-color: #fcc78a;
}

.clear-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    padding: 3px 10px;
    font-size: 0.75rem;
}
.clear-btn:hover { 
    background-color: var(--secondary-color); 
}

.toolbar-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background-color: var(--header-bg);
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
}
.toolbar-btn:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
}
.toolbar-btn.collapsed {
    background-color: var(--warn-color);
    color: var(--bg-color);
}
.toolbar-btn .btn-icon {
    font-size: 0.8rem;
}


.file-name-input {
    background: transparent;
    border: 1px solid transparent;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 0.8rem;
    text-transform: none;
    letter-spacing: normal;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    min-width: 100px;
    margin-right: 0.5rem;
}

.file-name-input:hover,
.file-name-input:focus {
    border-color: var(--accent-color);
    background-color: var(--secondary-color);
}

.file-type-selector {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-size: 0.75rem;
    margin-right: 0.5rem;
}

.remove-file-btn {
    background: none;
    border: none;
    color: var(--error-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 3px;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.remove-file-btn:hover {
    background-color: rgba(243, 139, 168, 0.2);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
}


.editor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    align-items: start;
}

.editor-panel, .console-panel {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background-color: var(--header-bg);
}

/* Prevent collapsed panels from stretching */
.editor-panel:has(.editor-wrapper.collapsed) {
    align-self: start;
}

.panel-header {
    background-color: var(--header-bg);
    padding: 0.6rem 1rem;
    font-weight: bold;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}


.CodeMirror {
    height: 350px;
    font-size: 15px;
    flex-grow: 1;
}


.editor-toolbar {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--secondary-color);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.editor-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.editor-wrapper.collapsed {
    display: none;
}

.controls { 
    display: flex; 
    justify-content: center; 
    gap: 1rem; 
    flex-wrap: wrap; 
}

/* Modal styles */
.modal-overlay {
    position: fixed; 
    top: 0; 
    left: 0;
    width: 100%; 
    height: 100%;
    background-color: var(--modal-bg);
    display: flex; 
    justify-content: center; 
    align-items: center;
    z-index: 1000;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
}
.modal-overlay[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 90%; 
    height: 90%;
    display: flex; 
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.modal-header {
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    padding: 0.5rem 1rem; 
    border-bottom: 1px solid var(--border-color);
}

.modal-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toggle-console-btn {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border: none;
    border-radius: 4px;
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
}
.toggle-console-btn:hover {
    background-color: #a6caff;
}
.toggle-console-btn.active {
    background-color: var(--warn-color);
}

.modal-body {
    display: flex;
    flex-direction: column;
    height: calc(100% - 60px);
}

.modal-console-panel {
    background-color: var(--header-bg);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 200px;
    transition: height 0.3s ease;
}

.modal-console-panel.hidden {
    height: 0;
    overflow: hidden;
}

.console-header {
    background-color: var(--header-bg);
    padding: 0.4rem 1rem;
    font-weight: bold;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#console-output {
    height: 100%;
    padding: 0.75rem;
    overflow-y: auto;
    font-family: 'Menlo', 'Consolas', monospace;
    font-size: 0.85rem;
    background-color: var(--bg-color);
}

#console-output .log-message {
    padding: 2px 0;
    white-space: pre-wrap;
    word-break: break-all;
    border-bottom: 1px solid var(--secondary-color);
}
#console-output .log-message:last-child { border-bottom: none; }
#console-output .log-type-log { color: var(--primary-color); }
#console-output .log-type-info { color: var(--accent-color); }
#console-output .log-type-error { color: var(--error-color); }
#console-output .log-type-warn { color: var(--warn-color); }

/* Enhanced Console Styles */
.console-filters {
    display: flex;
    gap: 0.5rem;
    margin-right: 1rem;
}

.console-filter-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--secondary-color);
    cursor: pointer;
    font-size: 0.75rem;
    color: var(--primary-color);
    opacity: 0.5;
    transition: all 0.2s ease;
}

.console-filter-btn.active {
    opacity: 1;
    border-color: var(--accent-color);
}

.console-filter-btn:hover {
    background: var(--border-color);
}

.filter-icon {
    font-size: 0.9rem;
}

.filter-count {
    background: var(--border-color);
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    font-size: 0.7rem;
    min-width: 1.2rem;
    text-align: center;
}

.filter-count.has-count {
    background: var(--accent-color);
    color: var(--bg-color);
}

#console-output .log-message {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.4rem 0.5rem;
    white-space: pre-wrap;
    word-break: break-all;
    border-bottom: 1px solid var(--secondary-color);
    font-size: 0.85rem;
}

#console-output .log-message:hover {
    background: var(--secondary-color);
}

#console-output .log-message:last-child {
    border-bottom: none;
}

.log-icon {
    font-size: 0.9rem;
    flex-shrink: 0;
}

.log-timestamp {
    color: var(--border-color);
    font-size: 0.75rem;
    flex-shrink: 0;
    font-family: monospace;
}

.log-content {
    flex: 1;
    overflow-wrap: break-word;
}

.log-copy-btn {
    padding: 0.2rem 0.4rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.2s ease;
    flex-shrink: 0;
}

#console-output .log-message:hover .log-copy-btn {
    opacity: 1;
}

.log-copy-btn:hover {
    background: var(--border-color);
    border-radius: 4px;
}

/* Console value types */
.console-null,
.console-undefined {
    color: var(--border-color);
    font-style: italic;
}

.console-boolean {
    color: #f5c2e7;
}

.console-number {
    color: #94e2d5;
}

.console-object-inline {
    color: var(--accent-color);
}

.console-object {
    margin: 0;
}

.console-object summary {
    cursor: pointer;
    color: var(--accent-color);
    user-select: none;
}

.console-object summary:hover {
    text-decoration: underline;
}

.console-object pre {
    margin: 0.5rem 0 0 1rem;
    padding: 0.5rem;
    background: var(--secondary-color);
    border-radius: 4px;
    overflow-x: auto;
    font-size: 0.8rem;
}

.console-error {
    color: var(--error-color);
}

.close-btn {
    font-size: 1.75rem; 
    font-weight: bold;
    cursor: pointer; 
    color: var(--primary-color);
    background: none; 
    border: none;
    line-height: 1;
    padding: 0.25rem;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}
.close-btn:hover { 
    color: var(--accent-color); 
}

.save-btn {
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--bg-color);
    background: var(--accent-color);
    border: none;
    padding: 8px 12px;
    margin-right: 8px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background-color 0.2s ease;
}
.save-btn:hover {
    background: var(--secondary-color);
}

#preview-frame {
    width: 100%; 
    flex: 1;
    border: none; 
    background-color: #fff;
}

/* Code Modal Styles */
#code-modal-editor-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

#code-modal-editor-container .CodeMirror {
    height: 100%;
    font-size: 14px;
    line-height: 1.5;
}

#code-modal-editor-container .CodeMirror-scroll {
    max-height: none;
}

@media (max-width: 900px) {
    .CodeMirror { height: 300px; }
    
    #code-modal-editor-container .CodeMirror {
        height: 100%;
        font-size: 13px;
    }
}
}

@media (max-width: 500px) {
    .controls { flex-direction: column; }
    .btn { width: 100%; }
}

/* Media Preview Modal Styles */
.media-preview-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    text-align: center;
    max-width: 100%;
    height: 100%;
    box-sizing: border-box;
}

.media-preview-container h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.media-preview-container img {
    max-width: calc(100% - 2rem);
    max-height: calc(100% - 4rem);
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    flex-shrink: 1;
}

.media-preview-container audio,
.media-preview-container video {
    max-width: calc(100% - 2rem);
    max-height: calc(100% - 4rem);
    border-radius: 8px;
    flex-shrink: 1;
}

.media-preview-container object {
    max-width: calc(100% - 2rem);
    max-height: calc(100% - 4rem);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    flex-shrink: 1;
}

.media-preview-container p {
    color: var(--primary-color);
    margin-top: 1rem;
}

.media-preview-container a {
    color: var(--accent-color);
    text-decoration: none;
}

.media-preview-container a:hover {
    text-decoration: underline;
}

/* Ensure media modal has proper styling */
#media-modal .modal-content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#media-modal .modal-header {
    flex-shrink: 0;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

#media-modal .modal-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    flex: 1;
    overflow: hidden;
    padding: 1rem;
}

#media-modal-content {
    max-width: 100%;
    max-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#media-modal-content img,
#media-modal-content video,
#media-modal-content audio,
#media-modal-content object {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

#media-modal-content img {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

#media-modal-content object {
    border: 1px solid var(--border-color);
}

/* Drag and Drop Styles */
.drag-handle {
    cursor: grab;
    color: var(--border-color);
    font-size: 1rem;
    padding: 0.25rem;
    user-select: none;
    line-height: 1;
}

.drag-handle:hover {
    color: var(--accent-color);
}

.drag-handle:active {
    cursor: grabbing;
}

.editor-panel.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
}

.editor-panel.drag-over {
    border: 2px dashed var(--accent-color);
}

.drop-indicator {
    height: 3px;
    background-color: var(--accent-color);
    border-radius: 2px;
    margin: 0.5rem 0;
    transition: all 0.2s ease;
}

/* Drag clone for touch devices */
.drag-clone {
    pointer-events: none;
    width: 300px;
    z-index: 10000;
    border: 2px solid var(--accent-color);
    background: var(--bg-color);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.drag-clone .editor-wrapper {
    max-height: 100px;
    overflow: hidden;
}

/* Touch improvements */
@media (pointer: coarse) {
    .drag-handle {
        padding: 0.5rem;
        font-size: 1.2rem;
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .editor-panel {
        margin-bottom: 0.5rem;
    }
}

/* ZIP Import/Export Buttons */
.import-zip-btn, .export-zip-btn, .import-file-btn, .add-folder-btn, .add-file-btn {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.import-zip-btn:hover, .export-zip-btn:hover, .import-file-btn:hover, .add-folder-btn:hover, .add-file-btn:hover {
    background-color: var(--border-color);
    border-color: var(--accent-color);
}

/* Primary action button */
.add-file-btn {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

.add-file-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Main HTML File Selector */
.main-html-selector {
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.8rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.main-html-selector label {
    font-weight: bold;
    color: var(--accent-color);
    font-size: 0.9rem;
    white-space: nowrap;
}

#main-html-select {
    background-color: var(--header-bg);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    flex: 1;
    max-width: 200px;
}

#main-html-select:focus {
    border-color: var(--accent-color);
    outline: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .files-header-buttons {
        flex-wrap: wrap;
        gap: 0.3rem;
    }
    
    .import-zip-btn, .export-zip-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
    
    .main-html-selector {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    #main-html-select {
        max-width: 100%;
    }
}

/* ==========================================================================
   FILE TREE STYLES
   ========================================================================== */

.multi-file-layout {
    display: flex;
    gap: 1rem;
    flex: 1;
}

.file-tree-container {
    width: 250px;
    min-width: 200px;
    max-width: 300px;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem;
    overflow-y: auto;
    max-height: calc(100vh - 300px);
}

.file-tree-container:empty::before {
    content: 'No folders yet. Add a folder or import a ZIP.';
    color: var(--border-color);
    font-size: 0.8rem;
    font-style: italic;
    display: block;
    text-align: center;
    padding: 1rem;
}

.tree-folder {
    margin-bottom: 0.25rem;
}

.tree-folder-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.tree-folder-header:hover {
    background-color: var(--border-color);
}

.tree-folder.expanded > .tree-folder-header {
    background-color: rgba(137, 180, 250, 0.1);
}

.folder-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.folder-name {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.folder-actions {
    display: none;
    gap: 0.25rem;
}

.tree-folder-header:hover .folder-actions {
    display: flex;
}

.folder-actions button {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 0.15rem 0.3rem;
    font-size: 0.7rem;
    cursor: pointer;
    color: var(--primary-color);
    transition: all 0.2s ease;
}

.folder-actions button:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}

.tree-folder-contents {
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
    margin-left: 0.5rem;
}

.tree-file {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    position: relative;
}

.tree-file:hover {
    background-color: var(--border-color);
}

/* Open file indicator */
.tree-file.file-open {
    background-color: rgba(137, 180, 250, 0.15);
    border-left: 2px solid var(--accent-color);
    padding-left: calc(0.5rem - 2px);
}

.tree-file.file-open .file-name {
    color: var(--accent-color);
    font-weight: 500;
}

.file-icon {
    font-size: 0.9rem;
    flex-shrink: 0;
}

.tree-file .file-name {
    flex: 1;
    font-size: 0.8rem;
    color: var(--primary-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-actions {
    display: none;
    gap: 0.25rem;
}

.tree-file:hover .file-actions,
.tree-file.file-open .file-actions {
    display: flex;
}

.file-actions button {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 0.15rem 0.3rem;
    font-size: 0.7rem;
    cursor: pointer;
    color: var(--primary-color);
    transition: all 0.2s ease;
}

.file-actions button:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}

/* Delete button styling */
.file-actions .delete-file-btn:hover {
    background: var(--error-color);
    border-color: var(--error-color);
}

/* File selected highlight animation */
.file-selected {
    animation: file-highlight 2s ease;
}

@keyframes file-highlight {
    0%, 50% {
        box-shadow: 0 0 10px var(--accent-color);
        border-color: var(--accent-color);
    }
    100% {
        box-shadow: none;
        border-color: var(--border-color);
    }
}

/* Responsive adjustments for file tree */
@media (max-width: 900px) {
    .multi-file-layout {
        flex-direction: column;
    }
    
    .file-tree-container {
        width: 100%;
        max-width: none;
        max-height: 200px;
    }
}

/* ==========================================================================
   APPLY/DISCARD CHANGES BUTTONS & MODIFIED INDICATORS
   ========================================================================== */

/* Apply changes button */
.apply-changes-btn {
    background-color: #a6e3a1 !important;
    color: var(--bg-color) !important;
    border-color: #a6e3a1 !important;
}

.apply-changes-btn:hover {
    background-color: #7ed380 !important;
    border-color: #7ed380 !important;
}

/* Discard changes button */
.discard-changes-btn {
    background-color: var(--error-color) !important;
    color: var(--bg-color) !important;
    border-color: var(--error-color) !important;
}

.discard-changes-btn:hover {
    background-color: #e07d94 !important;
    border-color: #e07d94 !important;
}

/* Modified indicator on file name input */
.file-name-input.modified {
    border-color: var(--warn-color);
    background-color: rgba(250, 179, 135, 0.1);
}

.file-name-input.modified::before {
    content: '• ';
    color: var(--warn-color);
}

/* Modified indicator on editor panel */
.editor-panel.file-modified {
    border-left: 3px solid var(--warn-color);
}

.editor-panel.file-modified .panel-header {
    background: linear-gradient(90deg, rgba(250, 179, 135, 0.15) 0%, var(--header-bg) 50%);
}

/* Modified indicator on file tree item */
.tree-file.file-modified .file-name {
    color: var(--warn-color);
    font-style: italic;
}

.tree-file.file-modified::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--warn-color);
    border-radius: 50%;
}