/* CSS Variables for theming */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f6f8fa;
    --text-primary: #24292e;
    --text-secondary: #6a737d;
    --border-color: #dee2e6;
    --border-light: #eaecef;
    --link-color: #0366d6;
    --accent-color: #0d6efd;
    --code-bg: rgba(27, 31, 35, 0.05);
    --scrollbar-track: #f1f1f1;
    --scrollbar-thumb: #888;
    --scrollbar-thumb-hover: #555;
}

/* Dark mode variables */
body.dark-mode {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --border-color: #30363d;
    --border-light: #21262d;
    --link-color: #58a6ff;
    --accent-color: #1f6feb;
    --code-bg: rgba(110, 118, 129, 0.15);
    --scrollbar-track: #161b22;
    --scrollbar-thumb: #484f58;
    --scrollbar-thumb-hover: #6e7681;
}

/* Global styles */
html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

body {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.row {
    margin: 0;
}

/* Navbar */
.navbar {
    z-index: 1000;
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.navbar-brand {
    color: var(--text-primary) !important;
}

.btn {
    transition: all 0.2s ease;
}

/* Dark mode toggle button */
.dark-mode-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.375rem 0.75rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s ease;
}

.dark-mode-toggle:hover {
    background-color: var(--bg-tertiary);
}

/* Sidebar */
.sidebar {
    height: calc(100vh - 56px);
    overflow-y: auto;
    padding: 0;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.sidebar h6 {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    transition: background-color 0.3s ease;
}

.list-group-item {
    cursor: pointer;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.list-group-item:first-child {
    border-top: 0;
}

.list-group-item.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
}

.list-group-item:hover:not(.active) {
    background-color: var(--bg-tertiary);
}

/* Editor pane */
.editor-pane {
    height: calc(100vh - 56px);
    display: flex;
    flex-direction: column;
    padding: 0;
    border-right: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease;
}

.editor-pane input[type="text"] {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.editor-pane input[type="text"]:focus {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--accent-color);
}

#editorContainer {
    flex: 1;
    overflow: hidden;
}

.CodeMirror {
    height: 100%;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    transition: all 0.2s ease;
}

.CodeMirror.drag-over {
    border: 3px dashed var(--accent-color);
    background-color: rgba(13, 110, 253, 0.05);
}

/* Dark mode CodeMirror adjustments */
body.dark-mode .CodeMirror {
    background-color: #1c2128;
    color: #e6edf3;
}

body.dark-mode .CodeMirror-gutters {
    background-color: #161b22;
    border-right: 1px solid #30363d;
}

body.dark-mode .CodeMirror-linenumber {
    color: #8b949e;
}

/* Preview pane */
.preview-pane {
    height: calc(100vh - 56px);
    overflow-y: auto;
    background-color: var(--bg-primary);
    padding: 0;
    transition: background-color 0.3s ease;
}

#preview {
    padding: 20px;
    max-width: 100%;
    word-wrap: break-word;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

/* Markdown preview styles */
#preview h1,
#preview h2,
#preview h3,
#preview h4,
#preview h5,
#preview h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
}

#preview h1 {
    font-size: 2em;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.3em;
}

#preview h2 {
    font-size: 1.5em;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.3em;
}

#preview h3 {
    font-size: 1.25em;
}

#preview p {
    margin-bottom: 16px;
    line-height: 1.6;
    color: var(--text-primary);
}

#preview code {
    background-color: var(--code-bg);
    border-radius: 3px;
    font-size: 85%;
    margin: 0;
    padding: 0.2em 0.4em;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    color: var(--text-primary);
}

#preview pre {
    background-color: #2d2d2d !important;
    border-radius: 6px;
    padding: 16px;
    overflow: auto;
    line-height: 1.45;
    margin-bottom: 16px;
}

#preview pre code {
    background-color: transparent !important;
    border: 0;
    display: block;
    line-height: inherit;
    margin: 0;
    overflow: visible;
    padding: 0 !important;
    word-wrap: normal;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
}

/* Prism theme override for better visibility */
#preview pre[class*="language-"] {
    background-color: #2d2d2d !important;
    margin: 0;
}

#preview code[class*="language-"] {
    background-color: transparent !important;
}

#preview blockquote {
    border-left: 4px solid var(--border-light);
    color: var(--text-secondary);
    padding-left: 16px;
    margin-left: 0;
    margin-bottom: 16px;
}

#preview ul,
#preview ol {
    margin-bottom: 16px;
    padding-left: 2em;
}

#preview li {
    margin-bottom: 4px;
}

#preview table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 16px;
}

#preview table th,
#preview table td {
    border: 1px solid var(--border-light);
    padding: 6px 13px;
}

#preview table th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
}

#preview table tr:nth-child(2n) {
    background-color: var(--bg-tertiary);
}

#preview img {
    max-width: 100%;
    height: auto;
    margin: 16px 0;
}

#preview hr {
    height: 4px;
    padding: 0;
    margin: 24px 0;
    background-color: var(--border-light);
    border: 0;
}

#preview a {
    color: var(--link-color);
    text-decoration: none;
}

#preview a:hover {
    text-decoration: underline;
}

/* Mermaid diagrams */
.mermaid {
    text-align: center;
    margin: 20px 0;
}

/* Dark mode mermaid adjustments */
body.dark-mode .mermaid {
    filter: invert(0.9) hue-rotate(180deg);
}

body.dark-mode .mermaid svg {
    background-color: transparent !important;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .editor-pane,
    .preview-pane {
        height: 50vh;
    }
}

/* File list item styling */
.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-size {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: 8px;
}

/* Toast notifications dark mode */
body.dark-mode .toast {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

body.dark-mode .toast-header {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}



/* File Tree Styles */
.file-tree {
    user-select: none;
    font-size: 14px;
}

.tree-node {
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.15s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tree-node:hover {
    background-color: var(--bg-tertiary);
}

.tree-node.active {
    background-color: var(--accent-color);
    color: white;
}

.tree-node.drag-over {
    background-color: rgba(13, 110, 253, 0.2);
    border: 2px dashed var(--accent-color);
}

.tree-node-content {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
}

.tree-node-icon {
    font-size: 16px;
    width: 16px;
    text-align: center;
}

.tree-node-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tree-node-toggle {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: transform 0.2s ease;
}

.tree-node-toggle.expanded {
    transform: rotate(90deg);
}

.tree-children {
    margin-left: 16px;
    border-left: 1px solid var(--border-color);
    padding-left: 8px;
}

.tree-children.collapsed {
    display: none;
}

/* Context Menu */
.context-menu {
    position: fixed;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    min-width: 180px;
    max-width: 200px;
    width: auto;
    padding: 4px 0;
}

body.dark-mode .context-menu {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.context-menu-item {
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    transition: background-color 0.15s ease;
}

.context-menu-item:hover {
    background-color: var(--bg-tertiary);
}

.context-menu-item i {
    width: 16px;
    text-align: center;
}

.context-menu-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 4px 0;
}

/* Drag and Drop */
.dragging {
    opacity: 0.5;
}

.drop-indicator {
    height: 2px;
    background-color: var(--accent-color);
    margin: 2px 0;
}

/* Modal for rename/new folder */
.modal-backdrop.show {
    opacity: 0.5;
}

/* File size badge */
.file-size-badge {
    font-size: 10px;
    color: var(--text-secondary);
    margin-left: auto;
}



/* Dark mode tree and sidebar fixes */
body.dark-mode .sidebar {
    background-color: var(--bg-secondary);
}

body.dark-mode .tree-node {
    color: var(--text-primary);
}

body.dark-mode .tree-node:hover {
    background-color: var(--bg-tertiary);
}

body.dark-mode .tree-node-name {
    color: var(--text-primary);
}

body.dark-mode .tree-node-size {
    color: var(--text-secondary);
}

body.dark-mode .sidebar h6 {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

body.dark-mode .tree-children {
    border-left-color: var(--border-color);
}