.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
  .toolbar {
    height: 44px; flex-shrink: 0;
    display: flex; align-items: center; gap: 10px;
    padding: 0 14px;
    border-bottom: 1px solid var(--hairline-strong);
    background: rgba(0,0,0,0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }
  .breadcrumb { display: flex; align-items: center; gap: 6px; min-width: 0; }
  .crumb {
    font-size: var(--text-md); color: var(--muted);
    padding: 4px 6px; border-radius: 4px;
    cursor: pointer; transition: all 0.1s;
    display: inline-flex; align-items: center; gap: 6px;
    line-height: 1; border: 0; background: transparent;
    white-space: nowrap; text-decoration: none;
  }
  .crumb:hover { background: var(--surface-strong); color: var(--fg-2); }
  .crumb.terminal { color: var(--fg); font-weight: 600; cursor: default; }
  .crumb.terminal:hover { background: transparent; }
  .crumb svg { width: 13px; height: 13px; color: var(--muted); }
  .crumb.filename {
    font-family: var(--font-mono); font-weight: 500; color: var(--fg);
    overflow: hidden; text-overflow: ellipsis; min-width: 0;
  }
  .crumb-sep { color: var(--muted-2); font-size: var(--text-md); user-select: none; }
  .toolbar-spacer { flex: 1; }
  .toolbar-search { width: 220px; position: relative; }
  .toolbar-search input {
    width: 100%; height: 26px;
    padding: 0 30px 0 26px;
    border: 1px solid var(--hairline); border-radius: 5px;
    background: var(--surface);
    font-size: var(--text-base); color: var(--fg);
    transition: all 0.12s;
  }
  .toolbar-search input::placeholder { color: var(--muted-2); }
  .toolbar-search input:focus {
    outline: 0; border-color: var(--accent);
    background: var(--surface-strong);
    box-shadow: 0 0 0 2px var(--accent-soft);
  }
  .toolbar-search-icon {
    position: absolute; left: 8px; top: 50%; transform: translateY(-50%);
    width: 12px; height: 12px; color: var(--muted); pointer-events: none;
  }
  .toolbar-search-kbd {
    position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
    font-family: var(--font-mono); font-size: 10px; color: var(--muted-2);
    padding: 1px 5px;
    border: 1px solid var(--hairline); border-radius: 3px;
    pointer-events: none; line-height: 1.2;
  }
  .toolbar-search input:focus ~ .toolbar-search-kbd,
  .toolbar-search input:not(:placeholder-shown) ~ .toolbar-search-kbd { opacity: 0; }
  .filter-toggle {
    height: 26px; width: 26px; border-radius: 5px;
    color: var(--muted); display: inline-grid; place-items: center;
    transition: all 0.1s; border: 1px solid transparent;
  }
  .filter-toggle:hover { color: var(--fg-2); background: var(--surface-strong); }
  .filter-toggle.active { color: var(--accent-2); background: var(--accent-soft); border-color: var(--accent-soft); }
  .filter-toggle svg { width: 13px; height: 13px; }

  .sort-group {
    display: inline-flex; align-items: center; gap: 2px;
    height: 26px; padding: 0 4px 0 8px;
    border-radius: 5px; cursor: pointer;
    color: var(--muted); font-size: var(--text-sm);
    transition: background 0.1s, color 0.1s;
  }
  .sort-group:hover { background: var(--surface-strong); color: var(--fg-2); }
  .sort-group .label { font-family: var(--font-mono); letter-spacing: 0.02em; }
  .sort-group svg { width: 13px; height: 13px; }
  .sort-group .arrow-up, .sort-group .arrow-down { transition: opacity 0.12s; }
  .sort-group.desc .arrow-up { opacity: 0.25; }
  .sort-group.desc .arrow-down { opacity: 1; }
  .sort-group.asc .arrow-up { opacity: 1; }
  .sort-group.asc .arrow-down { opacity: 0.25; }