:root {
    --ui-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

#vis {
    width: 100%;
    height: 100%;
    padding: 1rem;
}

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

/* Apply font to UI elements */
.panel-header,
.button,
.snippet-item,
.snippet-content {
    font-family: var(--ui-font);
}

.panel-header h2 {
    font-weight: 600;
    font-size: 1.125rem;
}

.button {
    font-weight: 500;
}

.snippet-content {
    font-size: 0.925rem;
}

.container {
    display: grid;
    grid-template-columns: var(--snippet-width, 1fr) 5px var(--editor-width, 1fr) 5px var(--preview-width, 2fr);
    height: 100vh;
    background-color: #e0e0e0;
}

.panel {
    background: white;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.panel-header {
    padding: 1rem;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f5f5f5;
}

.resize-handle {
    background-color: #e0e0e0;
    cursor: col-resize;
    transition: background-color 0.2s;
}

.resize-handle:hover,
.resize-handle.active {
    background-color: #2196F3;
}

.button {
    padding: 0.5rem 1rem;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.button:hover {
    background: #45a049;
}

.button:disabled {
    background: #cccccc;
    cursor: not-allowed;
}

.button.secondary {
    background: #607D8B;
}

.button.secondary:hover {
    background: #546E7A;
}

.snippet-list {
    padding: 1rem;
    flex-grow: 1;
}

.snippet-item {
    padding: 0.75rem;
    margin: 0.5rem 0;
    background: #f5f5f5;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.snippet-item:hover {
    background: #eeeeee;
}

.snippet-item.active {
    background: #e3f2fd;
    border-left: 4px solid #2196F3;
}

#monaco-editor {
    height: 100%;
    flex-grow: 1;
}

.preview-panel>*:not(.panel-header) {
    padding: 1rem;
}

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

.snippet-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    cursor: pointer;
    gap: 8px;
}

.snippet-item span {
    cursor: pointer;
}

.snippet-content {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.delete-snippet {
    opacity: 0.4;
    font-size: 14px;
    padding: 2px 4px;
    background: none;
    border: none;
    cursor: pointer;
    min-width: 24px;
}

.delete-snippet:hover {
    opacity: 1;
}

.snippet-item:hover .delete-snippet {
    opacity: 0.8;
}

.snippet-buttons {
    display: flex;
    gap: 4px;
}

.edit-snippet {
    opacity: 0.4;
    font-size: 14px;
    padding: 2px 4px;
    background: none;
    border: none;
    cursor: pointer;
    min-width: 24px;
}

.edit-snippet:hover {
    opacity: 1;
}

.snippet-item:hover .edit-snippet {
    opacity: 0.8;
}