:root {
      color-scheme: light;
      --bg: #fff;
      --fg: #111;
      --muted: #666;
      --border: #ccc;
      --accent: #0a7cff;
      --ok: #0f8b2d;
      --err: #b71c1c;
    }

    .key-value-studio-root .app-container { display: flex; flex-direction: column; flex: 1; min-height: 0;
      overflow: hidden;
    }

    .main-layout {
      display: flex;
      flex: 1;
      overflow: hidden;
      min-height: 0;
    }

    .kvstudio-content {
      flex: 1;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      min-height: 0;
      margin: 0;
      padding: 0;
    }

    .key-value-studio-root h1 {
      font-size: 1.1rem;
      margin: 0;
      font-weight: 600;
    }

    .muted {
      color: var(--muted);
      font-size: 0.85rem;
    }

    .toolbar {
      display: flex;
      gap: 0.5rem;
      align-items: center;
      flex-wrap: wrap;
      padding: 0.4rem 0.75rem;
      border-bottom: 1px solid var(--border);
      flex-shrink: 0;
      background: var(--bg);
    }

    .toolbar-group {
      display: flex;
      gap: 0.4rem;
      align-items: center;
      padding-right: 0.75rem;
      border-right: 1px solid var(--border);
    }

    .toolbar-group:last-child {
      border-right: none;
      margin-left: auto;
    }

    input[type="file"]::file-selector-button,
    button,
    select,
    input[type="text"] {
      padding: 0.35rem 0.5rem;
      border: 1px solid var(--border);
      border-radius: 4px;
      background: var(--bg);
      color: var(--fg);
      cursor: pointer;
      font: inherit;
      font-size: 0.85rem;
    }

    button:hover {
      background: color-mix(in oklab, var(--accent) 10%, transparent);
    }

    button:active {
      background: color-mix(in oklab, var(--accent) 15%, transparent);
    }

    .status {
      padding: 0.25rem 0.5rem;
      border-left: 3px solid var(--ok);
      font-size: 0.8rem;
      color: var(--muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .status.error {
      border-left-color: var(--err);
    }

    .main-content {
      flex: 1;
      display: flex;
      overflow: hidden;
      min-height: 0;
    }

    .table-section {
      flex: 1;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      min-width: 0;
    }

    .sidebar {
      width: 300px;
      border-left: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      flex-shrink: 0;
      background: color-mix(in oklab, var(--fg) 1%, var(--bg));
    }

    .sidebar-section {
      border-bottom: 1px solid var(--border);
      padding: 0.5rem;
    }

    .sidebar-section:last-child {
      border-bottom: none;
    }

    .sidebar-header {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--muted);
      margin-bottom: 0.4rem;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .table-container {
      flex: 1;
      overflow: auto;
      border-top: 1px solid var(--border);
    }

    table {
      width: 100%;
      border-collapse: collapse;
    }

    thead th {
      background: color-mix(in oklab, var(--fg) 3%, var(--bg));
      padding: 0.5rem;
      border-bottom: 2px solid var(--border);
      text-align: left;
      font-weight: 600;
      font-size: 0.85rem;
      position: sticky;
      top: 0;
      z-index: 10;
    }

    td {
      padding: 0.5rem;
      border-bottom: 1px solid color-mix(in oklab, var(--border) 50%, transparent);
      vertical-align: top;
      word-break: break-word;
      white-space: pre-wrap;
      font-size: 0.85rem;
    }

    tbody tr:hover {
      background: color-mix(in oklab, var(--accent) 3%, transparent);
    }

    tbody tr:hover .delete-btn {
      opacity: 1;
    }

    .editable-cell {
      padding: 0.5rem;
      border: none;
      background: transparent;
      color: var(--fg);
      font: inherit;
      font-size: 0.85rem;
      width: 100%;
      outline: none;
      cursor: text;
    }

    .editable-cell:focus {
      background: var(--bg);
      box-shadow: inset 0 0 0 1px var(--accent);
      border-radius: 2px;
    }

    .delete-btn {
      opacity: 0;
      padding: 0.2rem 0.4rem;
      border: 1px solid var(--border);
      border-radius: 4px;
      background: var(--bg);
      color: var(--err);
      cursor: pointer;
      font-size: 0.75rem;
      transition: opacity 0.2s;
      margin-left: 0.25rem;
    }

    .delete-btn:hover {
      background: color-mix(in oklab, var(--err) 10%, transparent);
      border-color: var(--err);
    }

    td {
      position: relative;
    }

    .cell-wrapper {
      display: flex;
      align-items: center;
      gap: 0.25rem;
    }

    .cell-content {
      flex: 1;
      min-width: 0;
    }

    .search-bar {
      padding: 0.4rem 0.75rem;
      border-bottom: 1px solid var(--border);
      display: flex;
      gap: 0.5rem;
      align-items: center;
      flex-shrink: 0;
      background: var(--bg);
    }

    .search-group {
      display: flex;
      gap: 0.4rem;
      align-items: center;
      flex: 1;
    }

    .search-group label {
      color: var(--muted);
      font-size: 0.8rem;
      white-space: nowrap;
      min-width: 35px;
    }

    .search-group input[type="text"] {
      flex: 1;
      min-width: 100px;
    }

    .search-count {
      color: var(--muted);
      font-size: 0.8rem;
      white-space: nowrap;
      padding-left: 0.5rem;
      border-left: 1px solid var(--border);
    }

    pre {
      margin: 0;
      padding: 0.4rem;
      max-height: 150px;
      overflow: auto;
      background: var(--bg);
      font-family: ui-monospace, 'Courier New', monospace;
      font-size: 0.75rem;
      line-height: 1.4;
      border: 1px solid var(--border);
      border-radius: 4px;
    }

    .export-controls {
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
    }

    .export-row {
      display: flex;
      gap: 0.4rem;
      align-items: center;
    }

    .export-row input[type="text"] {
      flex: 1;
      min-width: 0;
    }

    .export-row label {
      display: flex;
      align-items: center;
      gap: 0.3rem;
      color: var(--muted);
      font-size: 0.8rem;
      white-space: nowrap;
      cursor: pointer;
    }

    .export-row input[type="checkbox"] {
      cursor: pointer;
    }

    input[type="text"]:focus,
    select:focus {
      outline: none;
      border-color: var(--accent);
    }

    @media (max-width: 1024px) {
      .sidebar {
        width: 250px;
      }
    }

.key-value-studio-root {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font: 13px/1.4 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
}

.shell-main.key-value-studio-page {
  margin: 0;
  padding: 0;
  border: none;
  box-shadow: none;
  border-radius: 0;
  background: transparent;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

body[data-shell-active] .shell-main.key-value-studio-page {
  padding: 0;
}

.shell-main.key-value-studio-page .tool-page-header,
.shell-main.key-value-studio-page .tool-lead {
  display: none;
}

body.key-value-studio-app {
  overflow: hidden;
  height: 100vh;
  max-height: 100dvh;
}

body.key-value-studio-app #shell-footer {
  display: none;
}

body.key-value-studio-app .shell-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}