/* General Styles from before */
    :root {
      --main-bg-color: #f7f7f7;
      --cell-bg-color: #ffffff;
      --border-color: #e7e7e7;
      --menu-bg-color: #ffffff;
      --menu-border-color: #d1d1d1;
      --accent-color: #2196F3;
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

    body {
      margin: 0;
      font-family: var(--font-family);
      background-color: var(--main-bg-color);
    }
    
    .header-content, .main-content-area {
        max-width: 1100px;
        margin: 0 auto;
    }

    .header-content {
        display: flex;
        flex-direction: column;
    }

    .header-top-row {
        display: flex;
        align-items: center;
        width: 100%;
    }

    .filename-display {
        text-align: right;
        flex-grow: 1;
        padding: 6px 10px;
        font-size: 13px;
        color: #666;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .notebook-header {
      background-color: var(--menu-bg-color);
      border-bottom: 1px solid var(--menu-border-color);
      box-shadow: 0 1px 2px rgba(0,0,0,0.06);
      padding: 0 20px;
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    .menu-bar { display: flex; padding: 2px 0; }
    .menu-item { position: relative; padding: 6px 10px; cursor: pointer; font-size: 13px; }
    .menu-item:hover .dropdown-content { display: block; }
    .dropdown-content {
      display: none; position: absolute; background-color: white;
      min-width: 180px; box-shadow: 0px 5px 15px 0px rgba(0,0,0,0.15);
      z-index: 1001; border: 1px solid #ddd; border-radius: 4px; padding: 5px 0;
    }
    .dropdown-content a { color: black; padding: 7px 15px; text-decoration: none; display: block; font-size: 13px; }
    .dropdown-content a:hover { background-color: #f1f1f1; }
    .dropdown-content a.disabled { color: #aaa; cursor: not-allowed; }
    .dropdown-content a.disabled:hover { background-color: transparent; }

    .toolbar { display: flex; align-items: center; gap: 4px; padding: 4px 0; border-top: 1px solid var(--border-color); }
    .toolbar button {
      background: none; border: 1px solid transparent; border-radius: 3px;
      padding: 1px 5px; cursor: pointer; font-size: 16px; color: #333;
    }
    .toolbar button:hover { background-color: #eee; }
    .toolbar button:disabled { color: #ccc; cursor: not-allowed; background-color: transparent; }

    .main-content-area { 
      padding: 20px;
      padding-bottom: 30vh;
    }
    .cells-container { 
      display: flex; flex-direction: column; gap: 5px; 
      box-shadow: 0 0 5px 1px rgba(0,0,0,0.3);
      background-color: var(--cell-bg-color);
      padding-top:10px;
      padding-bottom: 10px;
    }
    
    .cell {
      border: 1px solid transparent;
      position: relative;
      /*cursor: pointer;*/
      background-color: var(--cell-bg-color);
    }

    .selection-indicator {
        position: absolute; top: 0; bottom: 0; left: 0; width: 4px;
        background-color: var(--accent-color); visibility: hidden;
    }
    .cell.selected > .cell-part > .selection-indicator { visibility: visible; }
    
    .cell-part { position: relative; }
    .cell-input, .cell-output-wrapper { display: flex; }
    
    .cell-output-wrapper { margin-top: 5px; }

    .prompt {
      flex: 0 0 80px; padding: 10px 0; font-family: monospace;
      font-size: 12px; text-align: center; color: #3D85C6;
    }
    .prompt.out { color: #990000; }

    .editor-container { flex-grow: 1; }
    .CodeMirror { height: auto; border: none !important; }
    
    .output-container { flex-grow: 1; padding: 10px; overflow-x: auto; }
    .output-container pre { margin: 0; font-size: 14px; line-height: 1.4; white-space: pre-wrap; word-break: break-all; }

    /* File Dialog Styles */
    .file-dialog-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 2000; display: flex; justify-content: center; align-items: center; }
    .file-dialog { background: #fff; border-radius: 6px; box-shadow: 0 5px 15px rgba(0,0,0,0.3); width: 90%; max-width: 1100px; display: flex; flex-direction: column; height: 70vh; max-height: 900px; }
    .file-dialog-header { display: flex; justify-content: space-between; align-items: center; padding: 10px 15px; border-bottom: 1px solid #ddd; font-weight: bold; }
    .file-dialog-header .close-btn { background: none; border: none; font-size: 20px; cursor: pointer; }
    .file-dialog-header .header-btn { background: none; border: none; font-size: 16px; cursor: pointer; padding: 0 5px; }
    .file-dialog-nav { display: flex; align-items: center; padding: 5px 10px; border-bottom: 1px solid #ddd; background: #f7f7f7; gap: 10px; }
    .file-dialog-nav button { margin-right: 0; }
    .file-dialog-nav .spacer { flex-grow: 1; }
    .file-dialog-nav .sync-status { font-size: 12px; color: #666; }
    .file-dialog-body { flex-grow: 1; overflow-y: auto; }
    .file-list { padding: 5px; }

    .file-list-header {
        display: grid;
        grid-template-columns: 24px 1fr 100px 150px 120px; /* Icon, Name, Size, Modified, Actions */
        padding: 4px 8px;
        font-weight: bold;
        border-bottom: 1px solid #eee;
        background-color: #f7f7f7;
        gap: 10px;
    }
    .file-list-header span:nth-child(2) { text-align: left; } /* Name */
    .file-list-header span:nth-child(3) { text-align: right; } /* Size */
    .file-list-header span:nth-child(4) { text-align: right; } /* Modified */
    .file-list-header span:nth-child(5) { text-align: right; } /* Actions */

    .file-list-item {
        display: grid;
        grid-template-columns: 24px 1fr 100px 150px 120px; /* Icon, Name, Size, Modified, Actions */
        align-items: center;
        padding: 4px 8px;
        cursor: pointer;
        border-radius: 3px;
        gap: 10px;
    }
    .file-list-item.folder {
        grid-template-columns: 24px 1fr 100px 150px 120px; /* Maintain columns for alignment */
    }
    .file-list-item:hover { background: #f0f0f0; }
    .file-list-item.selected { background: #0078d7; color: white; }
    .file-list-item i {
        margin-right: 0;
        font-size: 16px;
        text-align: center;
        grid-column: 1; /* Explicitly place icon in first column */
    }
    .file-list-item .file-name {
        grid-column: 2; /* Explicitly place name in second column */
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .file-list-item .file-name input {
        width: 95%;
        padding: 2px 4px;
        border: 1px solid #ccc;
        border-radius: 2px;
    }

    .file-list-item .file-size {
        grid-column: 3; /* Explicitly place size in third column */
        font-size: 0.8em;
        color: #666;
        text-align: right;
    }
    .file-list-item .file-date {
        grid-column: 4; /* Explicitly place date in fourth column */
        font-size: 0.8em;
        color: #666;
        text-align: right;
    }
    .file-list-item .actions {
        grid-column: 5;
        text-align: right;
        visibility: hidden; /* Hide actions by default */
    }
    .file-list-item:hover .actions,
    .file-list-item.selected .actions {
        visibility: visible; /* Show on hover or when selected */
    }
    .file-list-item .actions button {
        background: none;
        border: none;
        cursor: pointer;
        padding: 2px 4px;
        font-size: 14px;
        color: #333;
    }
    .file-list-item.selected .actions button {
        color: white; /* Make icons white on selected background */
    }

    .file-list-item.folder .file-size,
    .file-list-item.folder .file-date {
        visibility: hidden; /* Hide for folders but maintain space */
    }
    .file-list-item.selected .file-size,
    .file-list-item.selected .file-date {
        color: rgba(255, 255, 255, 0.8);
    }
    .file-dialog-footer { padding: 10px 15px; border-top: 1px solid #ddd; background: #f7f7f7; }
    .file-name-input { display: flex; align-items: center; margin-bottom: 10px; }
    .file-name-input label { margin-right: 10px; }
    .file-name-input input { flex-grow: 1; padding: 6px; border: 1px solid #ccc; border-radius: 3px; }
    .footer-buttons { display: flex; align-items: center; justify-content: flex-start; }
    .footer-buttons .spacer { flex-grow: 1; }
    .footer-buttons button { margin-left: 8px; }


    button { padding: 6px 12px; border: 1px solid #ccc; border-radius: 3px; cursor: pointer; background: #fff; }
    button.primary { background: #0078d7; color: white; border-color: #0078d7; }
    button.secondary { background: #6c757d; color: white; border-color: #6c757d; }
    button.danger { background: #d9534f; color: white; border-color: #d9534f; }
    button:disabled { opacity: 0.5; cursor: not-allowed; }

    .form-group {
        margin-bottom: 15px;
    }
    .form-group label {
        display: block;
        margin-bottom: 5px;
        font-weight: bold;
    }
    .form-group input {
        width: 100%;
        padding: 8px;
        box-sizing: border-box;
        border: 1px solid #ccc;
        border-radius: 4px;
    }
    .form-group-checkbox {
        display: flex;
        align-items: center;
        margin: 15px 0;
    }
    .form-group-checkbox input[type="checkbox"] {
        width: auto; /* Allow checkbox to take its natural width */
        margin-right: 10px;
    }
    /* WebDAV Config specific footer buttons */
    .webdav-config-footer-buttons {
        display: flex;
        justify-content: flex-end;
        gap: 10px; /* Spacing between buttons */
    }
    /* Input focus styling */
    input:focus {
        outline: none;
        border-color: var(--accent-color);
        box-shadow: 0 0 0 2px var(--accent-color);
    }


    /* Notification Styles */
    .top-notification {
      position: fixed;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      background-color: #4CAF50; /* Green background for success */
      color: white;
      text-align: center;
      padding: 10px 20px;
      z-index: 3000; /* Above file dialog */
      width: fit-content;
      min-width: 200px;
      border-bottom-left-radius: 5px;
      border-bottom-right-radius: 5px;
      box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    }

    /* Vue Transition Styles */
    .slide-fade-enter-active, .slide-fade-leave-active {
      transition: all 0.5s ease;
    }
    .slide-fade-enter-from, .slide-fade-leave-to {
      transform: translateX(-50%) translateY(-100%);
      opacity: 0;
    }

    @keyframes spin {
      from {
        transform: rotate(0deg);
      }
      to {
        transform: rotate(360deg);
      }
    }

    .rotating {
      animation: spin 1s linear infinite;
      display: inline-block;
    }

    .toolbar button {
      background: none; border: 1px solid transparent; border-radius: 3px;
      padding: 1px 5px; cursor: pointer; font-size: 16px; color: #333;
      height: 28px; /* Fixed height for vertical alignment */
      box-sizing: border-box;
    }
    .toolbar button:hover { background-color: #eee; }
    .toolbar button:disabled { color: #ccc; cursor: not-allowed; background-color: transparent; }
    
    .run-button-icon-only {
        width: 32px; /* Square-ish size */
        padding: 1px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .run-button-icon-only .bi-play-fill {
        font-size: 18px;
    }

    /* Standalone timer text styling */
    .timer-text-standalone {
        font-family: 'Menlo', 'Consolas', 'Roboto Mono', monospace;
        font-size: 13px;
        vertical-align: middle;
        margin-left: 8px;
    }

    /* The spinner */
    .spinner {
      width: 14px;
      height: 14px;
      border: 2px solid rgba(0, 0, 0, 0.2);
      border-top-color: #333; /* Matches button text color */
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
    }

    /* Vue transition for elements */
    .fade-enter-active, .fade-leave-active {
      transition: opacity 0.1s ease;
    }
    .fade-enter-from, .fade-leave-to {
      opacity: 0;
    }

    /* Styles for mobile/portrait view */
    @media (max-width: 768px) {
        .main-content-area {
            padding: 0; /* Remove padding on smaller screens */
            padding-top:5px;
            padding-bottom:30px;
        }

        .file-dialog-overlay {
            align-items: flex-start;
        }

        .file-dialog {
            width: 100%;
            height: 100%;
            max-width: none;
            max-height: none;
            border-radius: 0;
            box-shadow: none;
        }

        .header-content {
          padding: 0 5px;
        }

        .notebook-header {
          padding: 0 5px;
        }

        .cell-input, .cell-output-wrapper {
            flex-direction: column; /* Stack prompt and editor/output vertically */
        }

        .editor-container{
            margin-left:5px;
        }

        .prompt {
            flex: 0 0 auto; /* Allow prompt to resize */
            width: 100%;
            text-align: left;
            padding: 4px 10px; /* Adjust padding */
            box-sizing: border-box;
        }
    }

    .usage-stats {
        margin-top: 20px;
        padding-top: 15px;
        border-top: 1px solid var(--border-color);
        font-size: 0.9em;
        color: #555;
    }
    .usage-stats p {
        margin: 5px 0;
    }