/* index.css — extracted from inline <style> blocks. Generated by scripts/h1-extract.mjs */
:root {
    --bg: #0f1115;
    --bg-1: #151820;
    --bg-2: #1b1f2a;
    --bg-3: #232835;
    --border: #2a2f3d;
    --text: #e6e8ef;
    --text-dim: #9aa1b2;
    --text-mute: #6b7285;
    --accent: #7aa2f7;
    --accent-2: #bb9af7;
    --danger: #f7768e;
    --ok: #9ece6a;
    --warn: #e0af68;
    --radius: 8px;
    --mono: "JetBrains Mono", "Fira Code", "Cascadia Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  }
  * { box-sizing: border-box; }
  html, body {
    margin: 0; padding: 0; height: 100%;
    background: var(--bg); color: var(--text);
    font-family: var(--sans);
    font-size: 14px;
    overflow: hidden;
  }
  button {
    font-family: inherit; font-size: inherit;
    background: var(--bg-2); color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 10px;
    cursor: pointer;
    transition: background 0.12s, border-color 0.12s, transform 0.05s;
  }
  button:hover { background: var(--bg-3); border-color: #3a4155; }
  button:active { transform: translateY(1px); }
  button.icon { padding: 6px 8px; line-height: 1; }
  button.primary { background: var(--accent); color: #0a0d14; border-color: var(--accent); font-weight: 600; }
  button.primary:hover { background: #91b4f8; }
  button.danger { color: var(--danger); }
  button.danger:hover { background: rgba(247,118,142,0.1); border-color: var(--danger); }
  input, textarea {
    font-family: inherit;
    background: var(--bg-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    outline: none;
  }
  input:focus, textarea:focus { border-color: var(--accent); }

  /* Layout */
  .app {
    display: grid;
    grid-template-columns: 280px 1fr 1fr;
    grid-template-rows: 48px 1fr;
    height: 100vh;
    width: 100vw;
  }
  .topbar {
    grid-column: 1 / -1;
    display: flex; align-items: center; gap: 12px;
    padding: 0 14px;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border);
  }
  .topbar .brand {
    font-weight: 700; letter-spacing: 0.3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
    font-size: 15px;
  }
  .topbar .title-input {
    flex: 1;
    background: transparent;
    border: 1px solid transparent;
    font-size: 15px; font-weight: 600;
    padding: 6px 10px;
  }
  .topbar .title-input:hover { border-color: var(--border); }
  .topbar .title-input:focus { border-color: var(--accent); background: var(--bg-2); }
  .topbar .meta { color: var(--text-mute); font-size: 12px; white-space: nowrap; }
  .topbar .actions { display: flex; gap: 6px; }

  /* Sidebar */
  .sidebar {
    display: flex; flex-direction: column;
    background: var(--bg-1);
    border-right: 1px solid var(--border);
    min-height: 0;
  }
  .sidebar .search {
    padding: 10px;
    border-bottom: 1px solid var(--border);
  }
  .sidebar .search input { width: 100%; }
  .sidebar .section {
    padding: 8px 10px 4px;
    display: flex; align-items: center; justify-content: space-between;
    color: var(--text-dim);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }
  .sidebar .section button { padding: 2px 6px; font-size: 12px; }
  .sidebar .scroll {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
  }
  .folder, .note {
    display: flex; align-items: center; gap: 8px;
    padding: 7px 12px;
    cursor: pointer;
    border-left: 2px solid transparent;
    user-select: none;
  }
  .folder:hover, .note:hover { background: var(--bg-2); }
  .folder.active, .note.active {
    background: var(--bg-2);
    border-left-color: var(--accent);
  }
  .folder .fname, .note .ntitle {
    flex: 1;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .folder .count, .note .date {
    color: var(--text-mute); font-size: 11px;
  }
  .note { padding: 9px 12px; flex-direction: column; align-items: stretch; gap: 2px; }
  .note .ntitle { font-size: 13px; font-weight: 500; }
  .note .npreview {
    color: var(--text-mute); font-size: 11px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .note .nrow { display: flex; justify-content: space-between; gap: 6px; color: var(--text-mute); font-size: 11px; }
  .folder .emoji, .note .emoji { opacity: 0.7; }
  .empty {
    padding: 20px 14px;
    color: var(--text-mute);
    font-size: 12px;
    text-align: center;
    font-style: italic;
  }

  /* Editor */
  .editor-pane, .preview-pane {
    display: flex; flex-direction: column;
    min-height: 0; min-width: 0;
  }
  .pane-head {
    padding: 8px 14px;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex; align-items: center; justify-content: space-between;
  }
  .editor-pane { border-right: 1px solid var(--border); }
  #editor {
    flex: 1;
    border: none;
    border-radius: 0;
    padding: 18px 22px;
    background: var(--bg);
    color: var(--text);
    font-family: var(--mono);
    font-size: 14px;
    line-height: 1.65;
    resize: none;
    tab-size: 2;
  }
  #editor:focus { border: none; }
  #editor:disabled { color: var(--text-mute); cursor: not-allowed; }

  /* Preview */
  #preview {
    flex: 1;
    overflow-y: auto;
    padding: 22px 28px;
    background: var(--bg);
    line-height: 1.7;
  }
  #preview h1, #preview h2, #preview h3, #preview h4 {
    margin-top: 1.4em; margin-bottom: 0.5em;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.2em;
  }
  #preview h1 { font-size: 1.9em; }
  #preview h2 { font-size: 1.5em; }
  #preview h3 { font-size: 1.25em; border-bottom: none; }
  #preview h4 { font-size: 1.1em; border-bottom: none; }
  #preview p { margin: 0.8em 0; }
  #preview a { color: var(--accent); text-decoration: none; }
  #preview a:hover { text-decoration: underline; }
  #preview code {
    font-family: var(--mono);
    background: var(--bg-2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--accent-2);
  }
  #preview pre {
    background: var(--bg-1);
    border: 1px solid var(--border);
    padding: 14px 16px;
    border-radius: var(--radius);
    overflow-x: auto;
  }
  #preview pre code {
    background: transparent;
    padding: 0;
    color: var(--text);
    font-size: 0.9em;
  }
  #preview blockquote {
    margin: 1em 0;
    padding: 0.4em 1em;
    border-left: 3px solid var(--accent);
    background: var(--bg-1);
    color: var(--text-dim);
    border-radius: 0 6px 6px 0;
  }
  #preview ul, #preview ol { padding-left: 1.6em; }
  #preview li { margin: 0.25em 0; }
  #preview hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }
  #preview table {
    border-collapse: collapse;
    margin: 1em 0;
    width: 100%;
  }
  #preview th, #preview td {
    border: 1px solid var(--border);
    padding: 8px 12px;
    text-align: left;
  }
  #preview th { background: var(--bg-1); }
  #preview img { max-width: 100%; border-radius: 6px; }
  #preview input[type="checkbox"] { margin-right: 6px; }
  #preview .empty-state {
    color: var(--text-mute);
    text-align: center;
    margin-top: 40px;
    font-style: italic;
  }

  /* Scrollbars */
  ::-webkit-scrollbar { width: 10px; height: 10px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 5px; }
  ::-webkit-scrollbar-thumb:hover { background: #33394a; }

  /* Modal */
  .modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.55);
    display: none;
    align-items: center; justify-content: center;
    z-index: 100;
  }
  .modal-backdrop.open { display: flex; }
  .modal {
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    width: 360px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  }
  .modal h3 { margin: 0 0 12px; font-size: 15px; }
  .modal input { width: 100%; margin-bottom: 14px; }
  .modal .row { display: flex; gap: 8px; justify-content: flex-end; }

  /* Toast */
  .toast {
    position: fixed;
    bottom: 20px; left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-2);
    border: 1px solid var(--border);
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 13px;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
    z-index: 200;
  }
  .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

  /* Responsive — stack on narrow screens */
  @media (max-width: 768px) {
    .app {
      grid-template-columns: 1fr;
      grid-template-rows: 48px auto 1fr;
    }
    .sidebar {
      border-right: none;
      border-bottom: 1px solid var(--border);
      max-height: 180px;
      grid-column: 1;
      grid-row: 2;
    }
    .editor-pane, .preview-pane {
      grid-column: 1;
      grid-row: 3;
      border-right: none;
    }
    .preview-pane { display: none; }
    .app.show-preview .editor-pane { display: none; }
    .app.show-preview .preview-pane { display: flex; }
    button, button.icon {
      min-height: 44px;
      padding: 10px 12px;
    }
    .topbar .actions button { min-width: 44px; }
    .sidebar .section button { min-height: 32px; padding: 6px 10px; }
    input, textarea {
      min-height: 44px;
    }
    .folder, .note {
      min-height: 44px;
      padding: 10px 12px;
    }
    .note { flex-direction: column; align-items: stretch; }
    .topbar .meta { display: none; }
    .topbar .title-input { font-size: 14px; }
  }
  @media (max-width: 480px) {
    .topbar { padding: 0 6px; gap: 4px; }
    .topbar .brand { font-size: 12px; }
    .topbar .title-input { font-size: 13px; padding: 6px 8px; }
    .sidebar { max-height: 140px; }
    .sidebar .search { padding: 8px; }
    .sidebar .section { padding: 6px 10px 2px; font-size: 10px; }
    #editor { padding: 12px 14px; font-size: 13px; line-height: 1.55; }
    #preview { padding: 14px 16px; }
    #preview h1 { font-size: 1.5em; }
    #preview h2 { font-size: 1.25em; }
    .folder, .note { padding: 10px 12px; min-height: 44px; }
    .note .ntitle { font-size: 13px; }
    .note .npreview, .note .nrow, .folder .count { font-size: 11px; }
    .pane-head { padding: 8px 12px; font-size: 10px; }
    button, button.icon { min-height: 44px; }
    .topbar .actions button { min-width: 44px; padding: 8px; }
  }