.songs-grid {
    display: grid;
    grid-template-columns: minmax(28rem, 34rem) 1fr;
    gap: 1rem;
  }
  .songs-header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
  }
  .admin-password {
    width: 10.5rem;
    min-height: 38px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 6px;
    padding: 0.45rem 0.6rem;
  }
  @media (max-width: 62.5rem) { .songs-grid { grid-template-columns: 1fr; } }
  .stack { display: grid; gap: 1rem; }
  .song-meta { color: var(--muted); font-size: 0.8rem; }
  .song-table-wrap { width: 100%; overflow-x: auto; }
  .song-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
  .song-table th,
  .song-table td {
    padding: 0.65rem 0.55rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
  }
  .song-table th { color: var(--muted); font-size: 0.78rem; font-weight: 600; }
  .song-table th:nth-child(1) { width: 43%; }
  .song-table th:nth-child(2) { width: 57%; }
  .song-table tbody tr { cursor: pointer; transition: background 0.15s ease; }
  .song-table tbody tr:hover { background: rgba(255,255,255,0.035); }
  .song-table tbody tr.active { background: rgba(255,120,75,0.12); }
  .song-table td:not(:last-child) {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .song-title-cell { font-weight: 650; }
  .song-artist-cell { color: var(--muted); }
  .song-sort {
    width: 100%;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    font-weight: inherit;
    cursor: pointer;
  }
  .song-sort-indicator { font-size: 0.68rem; }
  .song-empty { text-align: center !important; color: var(--muted); cursor: default; }
  .song-view-header { position: relative; min-height: 2.5rem; }
  .song-view-heading { padding: 0 7.5rem; }
  .song-view-actions {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    gap: 0.4rem;
  }
  .song-view-edit,
  .song-view-delete {
    min-height: 2rem;
    padding: 0.35rem 0.65rem;
    font-size: 0.78rem;
  }
  .song-view-delete { background: #ef4444; color: #fff; }
  .song-view {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 0.875rem;
    padding: 1rem;
    min-height: 22.5rem;
    box-shadow: var(--shadow);
  }
  .song-view pre {
    white-space: pre-wrap;
    font-family: "IBM Plex Mono", "Consolas", monospace;
    font-size: 0.9rem;
    line-height: 1.2;
    margin: 0.75rem 0 0;
  }
  .line {
    display: block;
    padding: 0.18rem 0;
    line-height: 2.2;
    white-space: pre;
    margin: 0;
  }
  .chord-text { white-space: pre; }
  .song-view pre .chord { color: var(--accent); font-weight: 700; letter-spacing: 0.02em; }
  .song-view pre .section { color: var(--accent-2); font-weight: 700; }
  .chord-line {
    position: relative;
    margin: 0.4rem 0 0.2rem;
  }
  .diagram-row {
    position: relative;
    height: 3.8rem;
    margin-bottom: 0.2rem;
    padding-top: 0.625rem;
  }
  .diagram {
    position: absolute;
    top: 0.625rem;
    width: 3.25rem;
    min-height: 3.7rem;
  }
  .diagram svg {
    width: 3.25rem;
    height: 2.75rem;
  }
  .form { display: grid; gap: 0.6rem; margin-bottom: 0; }
  .form input, .form textarea {
    background: #0f1521;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.55rem 0.65rem;
    font-size: 0.85rem;
  }
  .form textarea { min-height: 8.75rem; resize: vertical; }
  .actions { display: flex; gap: 0.5rem; align-items: center; }
  .danger { background: #ef4444; color: #fff; }
  .bar-line {
    display: block;
    text-align: left;
  }
  .bar-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-bottom: 0.2rem;
    justify-content: flex-start;
    align-items: flex-start;
  }
  .bar-card {
    border: 1px solid transparent;
    border-radius: 0.625rem;
    padding: 0.7rem;
    text-align: left;
    background: transparent;
    width: 8.5rem;
    box-sizing: border-box;
  }
  .bar-diagram {
    min-height: 4.5rem;
  }
  .voicing-toggle {
    display: inline-grid;
    justify-items: center;
    gap: 0.2rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
  }
  .voicing-toggle:not(:disabled) { cursor: pointer; }
  .voicing-toggle:not(:disabled):hover .voicing-label,
  .voicing-toggle:not(:disabled):focus-visible .voicing-label {
    color: var(--accent);
    border-color: rgba(255, 120, 75, 0.55);
  }
  .voicing-label {
    display: inline-block;
    padding: 0.12rem 0.38rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.68rem;
    line-height: 1.2;
    white-space: nowrap;
  }
  .diagram.voicing-toggle {
    display: grid;
    justify-items: center;
  }
  .bar-diagram svg {
    width: 5.25rem;
    height: 4.25rem;
  }
  .bar-chord {
    margin-top: 0;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1.1;
    min-height: 1.6rem;
  }
  .bar-lyric {
    margin-top: 0;
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.1;
    min-height: 1.6rem;
  }
  @media (max-width: 40rem) {
    .bar-card { width: 6.5rem; padding: 0.45rem; }
    .bar-diagram svg { width: 4rem; height: 3.25rem; }
    .bar-chord { font-size: 1rem; }
    .bar-lyric { font-size: 0.82rem; }
    .bar-grid { gap: 0.45rem; }
  }
  /* 모바일: 선택 악보 보기 영역 축소 */
  @media (max-width: 900px) {
    .song-view {
      padding: 0.75rem;
      min-height: 10rem;
      overflow-x: auto;
    }
    .song-view pre {
      font-size: 0.82rem;
      line-height: 1.35;
      margin-top: 0.6rem;
    }
    .song-view #view-title { font-size: 1rem; }
    .song-view .song-meta { font-size: 0.78rem; }
    .song-view-header { padding-top: 2.65rem; }
    .song-view-heading { padding: 0; }
    .line { padding: 0.08rem 0; line-height: 1.65; }
    .chord-line { margin: 0.15rem 0 0.05rem; }
    .diagram-row { height: 2.35rem; padding-top: 0.2rem; margin-bottom: 0.05rem; }
    .diagram {
      top: 0.2rem;
      width: 1.85rem;
      min-height: 2.25rem;
    }
    .diagram svg {
      width: 1.85rem;
      height: 1.5rem;
    }
    .chord-text { font-size: 0.82rem; }
    .songs-grid { gap: 0.75rem; }
    .song-table th,
    .song-table td { padding: 0.6rem 0.4rem; font-size: 0.8rem; }
    .songs-header-actions {
      display: grid;
      grid-template-columns: 1fr auto;
      width: 100%;
    }
    .songs-header-actions .admin-password { grid-column: 1 / -1; width: 100%; }
    .toggle { width: 100%; }
    .toggle button { flex: 1; min-height: 42px; }
  }
  .toggle {
    display: inline-flex;
    background: #0f1521;
    border: 1px solid var(--border);
    border-radius: 62.4375rem;
    padding: 0.2rem;
    gap: 0.2rem;
  }
  .toggle button {
    background: transparent;
    color: var(--muted);
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 62.4375rem;
    cursor: pointer;
    font-size: 0.8rem;
  }
  .toggle button.active { background: var(--accent); color: #111; font-weight: 600; }
  .search {
    width: 100%;
    background: #0f1521;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 0.625rem;
    padding: 0.6rem 0.7rem;
    font-size: 0.9rem;
  }
  .search::placeholder { color: var(--muted); }
  .list-panel h3 {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
  }
  .list-panel h3 .chevron {
    font-size: 0.85rem;
    color: var(--muted);
    transition: transform 0.2s ease;
  }
  .list-panel.list-panel--collapsed .chevron { transform: rotate(-90deg); }
  .list-panel .body { transition: opacity 0.2s ease; }
  .list-panel.list-panel--collapsed .body {
    display: none;
  }
  .song-add-trigger {
    width: 100%;
    margin-bottom: 0.75rem;
    display: block;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    background: var(--panel);
    color: var(--text);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow);
  }
  .song-add-trigger:hover { border-color: rgba(255,120,75,0.55); }
  .song-add-form[hidden],
  .song-display[hidden] { display: none; }
  .song-add-form { display: grid; gap: 0.75rem; }
  .song-add-form h3 { margin: 0 0 0.25rem; }
  .song-add-form input,
  .song-add-form textarea {
    width: 100%;
    box-sizing: border-box;
    background: #0f1521;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.65rem 0.75rem;
    font: inherit;
  }
  .song-add-form textarea { min-height: 18rem; resize: vertical; line-height: 1.5; }
  .song-add-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; }
  .song-add-actions { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
  .song-add-status { color: var(--muted); font-size: 0.85rem; }
  @media (max-width: 40rem) {
    .song-add-fields { grid-template-columns: 1fr; }
    .song-add-form textarea { min-height: 15rem; }
    .song-add-actions .btn { flex: 1; }
  }