/* ============================================================
   mDBs · Stitch-inspired redesign
   Tokens, shell, sidebar (268px), main titlebar, combined
   nav/action row, data grid, dashboard, modals, dark mode.
   ============================================================ */

/* ---- Design tokens (light) ---- */
:root {
  --app-bg: #f3f4f6;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-solid: #ffffff;
  --surface-muted: #f5f5f7;
  --sidebar-bg: #edeef0;
  --sidebar-border: rgba(60, 60, 67, 0.14);
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #98989d;
  --border: rgba(60, 60, 67, 0.14);
  --accent: #0a84ff;
  --accent-hover: #0071e3;
  --accent-light: rgba(10, 132, 255, 0.12);
  --selection-bg: rgba(10, 132, 255, 0.10);
  --success: #34c759;
  --warning: #ff9f0a;
  --danger: #ff453a;
  --sidebar-solid: #edeef0;
  --panel-bg: #ffffff;
  --input-bg: #ffffff;
  --search-bg: #e4e5e8;
  --code-bg: #f5f5f7;
  --hover-bg: rgba(0, 0, 0, 0.04);
  --active-bg: rgba(0, 0, 0, 0.08);
  --selected-bg: rgba(10, 132, 255, 0.10);
  --selected-text: #1d1d1f;
  --control-border: #c7c7cc;
  --segmented-bg: rgba(118, 118, 128, 0.12);
  --segmented-active: #ffffff;
  --segmented-border: rgba(0, 0, 0, 0.06);
  --skeleton-bg: #e5e5ea;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
  --shadow-modal: 0 14px 48px rgba(0, 0, 0, 0.16);
  --shadow-segmented: 0 1px 3px rgba(0, 0, 0, 0.08);
  --overlay: rgba(0, 0, 0, 0.32);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: SFMono-Regular, Consolas, "Liberation Mono", monospace;
  --radius-window: 16px;
  --radius-panel: 14px;
  --radius-control: 9px;
  --radius-sm: 6px;
  --radius-search: 8px;
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
}
[data-theme="dark"] {
  --app-bg: #1c1c1e;
  --surface: rgba(44, 44, 46, 0.85);
  --surface-solid: #2c2c2e;
  --surface-muted: #3a3a3c;
  --sidebar-bg: #272729;
  --sidebar-border: rgba(255, 255, 255, 0.10);
  --text-primary: #f5f5f7;
  --text-secondary: #98989d;
  --text-muted: #6e6e73;
  --border: rgba(255, 255, 255, 0.12);
  --accent: #0a84ff;
  --accent-hover: #409cff;
  --accent-light: rgba(10, 132, 255, 0.20);
  --selection-bg: rgba(10, 132, 255, 0.18);
  --success: #30d158;
  --warning: #ff9f0a;
  --danger: #ff453a;
  --sidebar-solid: #272729;
  --panel-bg: #2c2c2e;
  --input-bg: #1c1c1e;
  --search-bg: #3a3a3c;
  --code-bg: #272729;
  --hover-bg: rgba(255, 255, 255, 0.06);
  --active-bg: rgba(255, 255, 255, 0.10);
  --selected-bg: rgba(10, 132, 255, 0.20);
  --selected-text: #f5f5f7;
  --control-border: #48484a;
  --segmented-bg: rgba(118, 118, 128, 0.24);
  --segmented-active: #3a3a3c;
  --segmented-border: rgba(255, 255, 255, 0.08);
  --skeleton-bg: #3a3a3c;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.20);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.36);
  --shadow-modal: 0 14px 48px rgba(0, 0, 0, 0.46);
  --shadow-segmented: 0 1px 3px rgba(0, 0, 0, 0.24);
  --overlay: rgba(0, 0, 0, 0.56);
}

/* ---- Reset & base ---- */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; height: 100%;
  overflow: hidden;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  background: var(--app-bg);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
#app { height: 100%; display: flex; flex-direction: column; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.5; }
a { color: var(--accent); text-decoration: none; }

/* ---- Overlay utilities ---- */
.app-overlay { position: fixed; inset: 0; z-index: 10; }

/* ---- Shared controls ---- */
input, select, textarea {
  background: var(--input-bg);
  color: var(--text-primary);
  border: 1px solid var(--control-border);
  border-radius: var(--radius-control);
  padding: 7px 10px;
  outline: none;
  transition: border-color 120ms, box-shadow 120ms;
}
input:hover, select:hover, textarea:hover {
  border-color: var(--text-secondary);
}
input:focus-visible, select:focus-visible, textarea:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}
select { cursor: pointer; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--control-border);
  border-radius: var(--radius-control);
  background: var(--panel-bg);
  color: var(--text-primary);
  font-size: 13px;
  white-space: nowrap;
  transition: background 100ms, box-shadow 100ms, border-color 100ms;
  box-shadow: var(--shadow-sm);
}
.btn:hover { background: var(--hover-bg); border-color: var(--text-secondary); }
.btn:active { background: var(--active-bg); box-shadow: inset 0 1px 2px rgba(0,0,0,0.08); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: none;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-secondary { background: transparent; border-color: var(--control-border); box-shadow: none; }
.btn-secondary:hover { background: var(--hover-bg); }
.btn-sm { height: 30px; padding: 0 10px; font-size: 12px; }
.btn-compact { height: 32px; padding: 0 12px; font-size: 12px; }
.sql-editor {
  width: 100%;
  font-family: var(--font-mono, 'Cascadia Code', 'JetBrains Mono', 'Fira Code', monospace);
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid var(--border, #ddd);
  border-radius: 4px;
  background: var(--bg, #fff);
  color: var(--fg, #333);
  resize: vertical;
  tab-size: 2;
  line-height: 1.5;
}
.sql-editor:focus { outline: none; border-color: var(--accent, #4a90d9); box-shadow: 0 0 0 2px rgba(74,144,217,.15); }
.query-sql-actions { margin-top: 8px; display: flex; gap: 8px; align-items: center; }
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 32px;
  padding: 0 14px;
  border: 1px solid var(--control-border);
  border-radius: var(--radius-control);
  background: var(--panel-bg);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 100ms;
}
.btn-back:hover { background: var(--hover-bg); }
.btn-back svg { width: 14px; height: 14px; flex: none; }

/* ---- Icon button ---- */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 5px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 100ms, color 100ms;
}
.icon-btn:hover { background: var(--hover-bg); color: var(--text-primary); }
.icon-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.icon-btn svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; display: block; }
.icon-btn.danger { color: var(--danger); }

/* ---- App Shell ---- */
.app-shell {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Workspace Layout (Sidebar + Main) ---- */
.workspace-shell {
  display: flex;
  flex: 1;
  min-height: 0;
}
.app-shell.focus-mode .sidebar { display: none; }

/* ---- Sidebar (268px) ---- */
.sidebar {
  width: 268px;
  flex: 0 0 268px;
  display: flex;
  flex-direction: column;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
}

/* Sidebar header: traffic lights + brand */
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 14px 8px;
  flex-shrink: 0;
}
.sidebar-traffic {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.traffic-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.traffic-dot.close { background: #ff5f57; }
.traffic-dot.minimize { background: #fdbc40; }
.traffic-dot.maximize { background: #33c748; }
.sidebar-brand {
  font-weight: 600;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
  line-height: 1;
}

/* Sidebar nav: compact "← Databases" */
.sidebar-nav {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 14px 8px;
  flex-shrink: 0;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 12px;
  border: none;
  background: transparent;
  text-align: left;
  transition: color 100ms;
}
.sidebar-nav:hover { color: var(--text-primary); }
.sidebar-back-btn {
  font-size: 12px;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 2px 4px;
  white-space: nowrap;
}
.sidebar-back-btn:hover { color: var(--text-primary); }
.sidebar-nav svg {
  width: 14px;
  height: 14px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Sidebar search */
.sidebar-search-wrap {
  position: relative;
  margin: 0 10px 10px;
  flex-shrink: 0;
}
.sidebar-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  pointer-events: none;
}
.sidebar-search-icon svg {
  width: 14px;
  height: 14px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.sidebar-search {
  display: block;
  width: 100%;
  height: 34px;
  padding: 0 10px 0 32px;
  border: none;
  border-radius: var(--radius-search);
  background: var(--search-bg);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: background 120ms;
}
.sidebar-search::placeholder { color: var(--text-muted); }
.sidebar-search:focus { background: var(--input-bg); box-shadow: 0 0 0 1px var(--accent); }
.sidebar-search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
}
.sidebar-search-clear:hover { background: var(--hover-bg); color: var(--text-primary); }

/* Sidebar body (scrollable, holds slide panels) */
.sidebar-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Slide panels */
.panel-container {
  display: flex;
  height: 100%;
  width: 200%;
  transition: transform 200ms ease;
}
.panel-container.show-objects { transform: translateX(-50%); }
.panel-slide { width: 50%; flex: 0 0 50%; display: flex; flex-direction: column; overflow: hidden; }

/* ---- Database tree (first slide) ---- */
.center-tree-tools {
  flex: none;
  padding: 8px 10px 4px;
}
.refresh-center {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: none;
  color: var(--accent);
  font-size: 12px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.refresh-center:hover { background: var(--accent-light); }
.db-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 2px 6px;
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}
.db-scroll:hover {
  scrollbar-color: var(--text-muted) transparent;
}
.db-scroll::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.db-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.db-scroll::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 999px;
  border: 1px solid transparent;
  background-clip: padding-box;
}
.db-scroll:hover::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--text-muted) 45%, transparent);
  background-clip: padding-box;
}
.db-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
  background-clip: padding-box;
}
.root-name { font-weight: 600; padding: 8px 6px 4px; color: var(--text-primary); font-size: 13px; }
.root-note {
  font-size: 11px; padding: 1px 6px; margin: 0 6px 6px; border-radius: var(--radius-sm);
  display: inline-block;
}
.root-note.ok { color: var(--success); background: color-mix(in srgb, var(--success) 14%, transparent); }
.root-note.warn { color: var(--danger); background: color-mix(in srgb, var(--danger) 14%, transparent); }
.db-list, .obj-list { list-style: none; margin: 0; padding: 0; }
.db-list li, .obj-list li {
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.db-list li:hover, .obj-list li:hover { background: var(--hover-bg); }
.db-list li.active, .obj-list li.active { background: var(--accent); color: #fff; }
.tag {
  font-size: 10px; color: var(--text-secondary); background: var(--hover-bg);
  padding: 1px 6px; border-radius: 10px; margin-left: 6px;
}
.active .tag { background: rgba(255,255,255,0.2); color: rgba(255,255,255,0.8); }

.current-center {
  font-size: 13px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding: 4px 8px;
}
.tree-list { list-style: none; margin: 0; padding: 0; }
.tree-list .tree-list { padding-left: 14px; }
.tree-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.tree-row:hover { background: var(--hover-bg); }
.tree-row.active { background: var(--accent); color: #fff; }
.folder-row { cursor: pointer; }
.tree-caret { width: 14px; flex: none; color: var(--text-secondary); font-size: 14px; line-height: 1; }
.tree-icon { flex: none; display: inline-flex; width: 14px; height: 14px; align-items: center; color: var(--text-secondary); }
.tree-icon svg { width: 100%; height: 100%; display: block; }
.tree-label { min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.db-row { padding-left: 8px; }

/* ---- Object list (second slide) ---- */
.obj-header { flex: none; padding: 6px 10px 4px; }
.obj-header .object-context {
  padding: 0 4px 6px; font-size: 12px; color: var(--text-secondary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.obj-scroll {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}
.obj-scroll:hover {
  scrollbar-color: var(--text-muted) transparent;
}
.obj-scroll::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.obj-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.obj-scroll::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 999px;
  border: 1px solid transparent;
  background-clip: padding-box;
}
.obj-scroll:hover::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--text-muted) 45%, transparent);
  background-clip: padding-box;
}
.obj-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
  background-clip: padding-box;
}
.object-empty { padding: 20px 8px; color: var(--text-secondary); text-align: center; font-size: 12px; }
.objects-error {
  margin: 12px;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--danger) 55%, var(--border));
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--danger) 9%, transparent);
  color: var(--danger);
  font-size: 12px;
  line-height: 1.5;
  word-break: break-word;
}

/* Object group section */
.sidebar-section { margin-bottom: 2px; }

/* Section header bar: back button + context label */
.sidebar-section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 4px;
  flex-shrink: 0;
}
.sidebar-context {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

/* Section group toggle (Tables / Queries / etc.) */
.section-caret { font-size: 14px; line-height: 1; margin-right: 2px; }
.sidebar-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 6px 14px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  background: var(--sidebar-bg);
  border: none;
  cursor: pointer;
  position: sticky;
  top: 0;
  z-index: 2;
}
.sidebar-section-title::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px;
  bottom: -1px;
  height: 1px;
  background: var(--border);
  opacity: 0.5;
}
.sidebar-section-title:hover { color: var(--text-secondary); }
.sidebar-section-count {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: auto;
}

/* Object row (icon + name, no badge) */
.sidebar-object-list { list-style: none; margin: 0; padding: 0; }
.sidebar-object-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 30px;
  padding: 0 14px;
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--text-primary);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-object-row:hover { background: var(--hover-bg); }
.sidebar-object-row.active {
  background: var(--selected-bg);
  color: var(--selected-text);
}
.sidebar-object-row.active:hover { background: var(--selection-bg); }
.sidebar-object-icon {
  flex: none;
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  color: var(--text-muted);
}
.sidebar-object-icon svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.sidebar-object-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* Keep .obj-list for backward compat with unslotted items */
.obj-list li { padding: 0; }
.obj-list li button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 5px 10px;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.obj-list li button > span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.obj-list li button:hover { background: var(--hover-bg); }
.obj-list li button.active { background: var(--accent); color: #fff; }

/* object groups (legacy) */
.object-group { margin-bottom: 4px; }
.object-group-title {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  background: transparent;
  border: 0;
  cursor: pointer;
}

/* ---- Main panel ---- */
.main-panel {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
  overflow: hidden;
}
.main-panel > section {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ---- Loading / spinner ---- */
.loading-wrap {
  display: flex; align-items: center; justify-content: center; padding: 20px; gap: 8px;
  color: var(--text-secondary); font-size: 13px;
}
.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }

/* skeleton */
.skel {
  height: 12px; border-radius: 4px; background: var(--border); display: inline-block; animation: pulse 1.2s ease-in-out infinite;
}
.skel--w60 { width: 60%; } .skel--w80 { width: 80%; } .skel--w40 { width: 40%; }
@keyframes pulse { 0%,100% { opacity: .6; } 50% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .skel { animation: none; } }
.skeleton-table { width: 100%; border-collapse: collapse; }
.skeleton-table th, .skeleton-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); }

/* ---- Main Titlebar (52-56px) ---- */
.main-titlebar {
  display: flex;
  align-items: center;
  min-height: 54px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-bg);
  flex-shrink: 0;
  gap: 12px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  overflow: hidden;
}
.breadcrumb-item {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.breadcrumb-item.is-current {
  color: var(--text-primary);
  font-weight: 500;
}
.breadcrumb-sep {
  color: var(--text-muted);
  font-size: 14px;
  flex: none;
  line-height: 1;
  opacity: 0.6;
}
.titlebar-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}
.context-badge {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--sidebar-bg);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  gap: 4px;
}

/* ---- Navigation / Action Row ---- */
.nav-action-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  background: var(--panel-bg);
}

.workspace-rail {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  min-height: 46px;
  border-bottom: 1px solid var(--border);
}
.workspace-rail .cluster-switch { flex: 0 0 auto; display: inline-flex; gap: 0; }
.workspace-rail .workspace-focus-btn { margin-left: auto; }

.table-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  min-height: 46px;
  flex-wrap: wrap;
}
.table-toolbar .toolbar-spacer { flex: 1 1 auto; min-width: 8px; }
.table-toolbar .primary-actions { margin-left: 0; }
.table-toolbar:empty { display: none; }
.table-toolbar:not(:has(> div)) { display: none; }


/* Segmented tabs (Left cluster) */
.segmented-tabs {
  display: flex;
  gap: 0;
  background: var(--segmented-bg);
  padding: 3px;
  border-radius: var(--radius-control);
  flex-shrink: 0;
}
.segmented-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 32px;
  padding: 0 18px;
  border: none;
  border-radius: calc(var(--radius-control) - 2px);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: background 120ms, color 120ms, box-shadow 120ms;
}
.segmented-tab:hover { color: var(--text-primary); }
.segmented-tab.active {
  background: var(--segmented-active);
  color: var(--accent);
  box-shadow: var(--shadow-segmented);
  border: 1px solid var(--segmented-border);
  margin: -1px;
}

/* Utility controls (Middle cluster) */
.utility-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.utility-label {
  color: var(--text-muted);
  font-size: 12px;
  white-space: nowrap;
}
.utility-controls select {
  font-size: 12px;
  height: 32px;
  padding: 3px 8px;
  min-width: 80px;
}

/* Primary actions (Right cluster) */
.primary-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

/* ---- Data grid container ---- */
.grid-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex: 1;
  min-height: 0;
}
.grid-panel > #grid { flex: 1; min-height: 0; }
.grid-panel > .loading-wrap--rows { flex: 1; min-height: 0; overflow: auto; }

/* ---- Grid Footer (sticky) ---- */
.grid-footer {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  background: var(--panel-bg);
  font-size: 12px;
  color: var(--text-secondary);
}
.grid-footer label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
}
.grid-footer select {
  font-size: 12px;
  min-height: 28px;
  padding: 3px 6px;
}
.pager {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-variant-numeric: tabular-nums;
}
.pager .btn {
  height: 28px;
  min-width: 28px;
  padding: 0 6px;
  font-size: 14px;
  line-height: 1;
}

/* ---- Back-compat panel (structure, sql) ---- */
.panel { flex: 1; min-height: 0; overflow: auto; padding: 14px; }

/* ---- Tabulator grid ---- */
#grid.tabulator {
  border: 0;
  height: 100% !important;
  background: var(--panel-bg);
  color: var(--text-primary);
  font-size: 13px;
}
#grid .tabulator-tableholder { background: var(--panel-bg); }
#grid .tabulator-tableholder .tabulator-table { background: transparent; }

/* Header */
#grid .tabulator-header,
#grid .tabulator-header .tabulator-col {
  background: var(--sidebar-bg);
  color: var(--text-primary);
  border-color: var(--border);
}
#grid .tabulator-header {
  min-height: 32px;
  border-top: 0;
  border-bottom: 1px solid var(--border);
}
#grid .tabulator-header .tabulator-col {
  min-height: 32px;
  border-right: 1px solid var(--border);
}
#grid .tabulator-header .tabulator-col:last-child { border-right: none; }
#grid .tabulator-header .tabulator-col .tabulator-col-title {
  font-weight: 600;
  font-size: 12px;
  padding: 0 4px;
}
#grid .tabulator-header .tabulator-col .tabulator-col-sorter {
  color: var(--text-secondary);
  opacity: 0.6;
}
#grid .tabulator-header .tabulator-col:hover .tabulator-col-sorter { opacity: 1; }

/* Rows */
#grid .tabulator-row {
  min-height: 33px;
  background: var(--panel-bg);
  border-color: var(--border);
  border-bottom: 1px solid var(--border);
}
#grid .tabulator-row:nth-child(even) {
  background: var(--surface-muted);
}
/* Hover bg must stay OPAQUE: frozen cells inherit row background
   (background-color: inherit in tabulator.css), so a translucent row bg lets
   horizontally-scrolled content bleed through the sticky id/action columns. */
#grid .tabulator-row:hover { background: color-mix(in srgb, var(--hover-bg) 60%, var(--panel-bg)); }
#grid .tabulator-row.tabulator-row-even:hover { background: color-mix(in srgb, var(--hover-bg) 60%, var(--surface-muted)); }
#grid .tabulator-row .tabulator-cell {
  padding: 4px 10px;
  border-right: none;
  line-height: 22px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#grid .tabulator-header .tabulator-col .tabulator-col-content { padding: 5px 8px; }
#grid .tabulator-cell.tabulator-editing {
  background: var(--panel-bg);
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
#grid .tabulator-cell.tabulator-editing input,
#grid .tabulator-cell.tabulator-editing textarea {
  color: var(--text-primary);
  background: var(--panel-bg);
}
#grid .tabulator-cell.tabulator-frozen,
#grid .tabulator-col.tabulator-frozen { box-shadow: -1px 0 0 var(--border); }
#grid .tabulator-placeholder { color: var(--text-secondary); background: var(--panel-bg); }
#grid .tabulator-placeholder span { font-size: 13px; }

/* Cell value */
.cell-preview {
  display: block;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.cell-preview.null { color: var(--text-muted); font-style: italic; }

/* Row actions in grid */
.row-actions { display: flex; align-items: center; justify-content: center; gap: 6px; }
.row-actions .icon-btn {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  padding: 4px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border: none;
  opacity: 0.6;
  transition: opacity 120ms, color 120ms, background 120ms;
}
.row-actions .icon-btn:hover { opacity: 1; background: var(--hover-bg); }
.row-actions .icon-btn[data-action="edit"]:hover { color: var(--accent); }
.row-actions .icon-btn[data-action="delete"]:hover { color: var(--danger); }
.row-actions .icon-btn.danger { color: var(--text-muted); }
.row-actions .icon-btn.danger:hover { color: var(--danger); opacity: 1; }
.row-actions svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---- Empty state ---- */
.empty {
  display: grid;
  min-height: 160px;
  place-items: center;
  color: var(--text-secondary);
  font-size: 14px;
}
/* ---- Content area (dashboard) ---- */
.content-area {
  flex: 1;
  min-height: 0;
  overflow: auto;
  background: var(--app-bg);
}
.centers-dashboard {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 24px 16px 32px;
}

/* ---- Dashboard ---- */
.dashboard-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}
.dashboard-heading h1 { margin: 0; font-size: 22px; }
.dashboard-heading p { margin: 4px 0 0; color: var(--text-secondary); }
.dashboard-heading > div,
.dashboard-heading h1 { min-width: 0; }
.dashboard-heading h1 { overflow-wrap: anywhere; }

.center-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}
.center-card {
  display: flex;
  flex-direction: column;
  padding: 18px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-window);
  box-shadow: var(--shadow-sm);
}
.center-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.center-title-wrap { min-width: 0; overflow: hidden; }
.center-card h2 {
  margin: 0; font-size: 15px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.center-path {
  color: var(--text-secondary);
  font: 12px/1.4 var(--font-mono);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.center-actions { display: flex; align-items: center; gap: 6px; flex: none; }
.center-edit-btn,
.center-delete-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.center-edit-btn:hover,
.center-delete-btn:hover { background: var(--hover-bg); color: var(--text-primary); }
.center-edit-btn:focus-visible,
.center-delete-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.center-delete-btn:hover { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, var(--border)); }
.center-edit-btn svg,
.center-delete-btn svg { width: 15px; height: 15px; }
.center-metrics { margin: 18px 0; border-top: 1px solid var(--border); }
.center-metrics div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.center-metrics dt { color: var(--text-secondary); font-size: 13px; }
.center-metrics dd { margin: 0; text-align: right; font-weight: 600; }
.center-error {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 14px;
  padding: 9px 10px;
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 9%, transparent);
  border-radius: var(--radius-sm);
  font-size: 12px;
}
.open-center { align-self: flex-start; margin-top: auto; }

/* ---- Meta tables (Structure) ---- */
.meta-table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 14px;
}
.meta-table th, .meta-table td {
  border: 1px solid var(--border);
  padding: 7px 10px;
  text-align: left;
  color: var(--text-primary);
}
.meta-table th { background: var(--sidebar-bg); color: var(--text-primary); font-weight: 600; font-size: 12px; }
.meta-table tbody tr:nth-child(even) { background: color-mix(in srgb, var(--panel-bg) 96%, var(--hover-bg)); }
.meta-table tbody tr:hover { background: var(--hover-bg); }
.meta-table-wrap { width: 100%; overflow-x: auto; }
.structure-table { min-width: 620px; }
.structure-table th:last-child, .structure-table td:last-child { width: 92px; text-align: center; }
.structure-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 14px;
}
.structure-heading h2 { margin: 0; font-size: 18px; }
.structure-heading p { margin: 3px 0 0; color: var(--text-secondary); }

/* ---- SQL Workspace ---- */
.sql-panel {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sql-tab-strip {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: var(--surface-muted);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: thin;
}
.sql-tab {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  font-size: 12px;
  font-family: var(--font-sans);
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  min-width: 80px;
  max-width: 200px;
  position: relative;
  transition: background 0.1s, color 0.1s;
}
.sql-tab:hover { background: var(--hover-bg); color: var(--text-primary); }
.sql-tab.active {
  background: var(--surface);
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent);
  margin-bottom: -1px;
}
.sql-tab.dirty .sql-tab-name::after { content: ' *'; color: var(--warning); }
.sql-tab-dirty { color: var(--warning); font-size: 9px; margin-left: 2px; }
.sql-tab-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px; height: 16px;
  font-size: 13px;
  line-height: 1;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 3px;
  padding: 0;
  margin-left: 2px;
  opacity: 0;
  transition: opacity 0.1s;
}
.sql-tab:hover .sql-tab-close { opacity: 1; }
.sql-tab-close:hover { background: var(--danger); color: #fff; }
.sql-tab-new {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  font-size: 16px;
  line-height: 1;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
}
.sql-tab-new:hover { color: var(--accent); }

.sql-toolbar {
  display: flex;
  gap: 8px;
  padding: 8px 16px;
  align-items: center;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sql-toolbar .btn { margin-right: 0; }
.sql-toolbar .btn-execute {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
}
.sql-toolbar .btn-execute:hover { opacity: 0.85; }
.sql-toolbar .btn-preview {
  background: var(--warning);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
}
.sql-toolbar .btn-preview:hover { opacity: 0.85; }
.sql-toolbar-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
  flex-shrink: 0;
}
.sql-toolbar-right {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.sql-statement-type {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 6px;
  border-radius: 3px;
}
.sql-statement-type.stmt-select { background: #e8f5e9; color: #2e7d32; }
.sql-statement-type.stmt-action { background: #fce4ec; color: #c62828; }
.sql-statement-type.stmt-unknown { background: #f5f5f5; color: #999; }
[data-theme="dark"] .sql-statement-type.stmt-select { background: #1b3a1b; color: #81c784; }
[data-theme="dark"] .sql-statement-type.stmt-action { background: #3a1b1b; color: #ef9a9a; }
[data-theme="dark"] .sql-statement-type.stmt-unknown { background: #333; color: #888; }

.sql-more-menu { position: relative; }
.sql-more-dropdown {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 50;
  min-width: 160px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  box-shadow: var(--shadow-md);
  padding: 4px;
  margin-top: 4px;
}
.sql-more-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 6px 10px;
  font-size: 12px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.sql-more-dropdown button:hover { background: var(--hover-bg); }
.sql-more-sep { height: 1px; background: var(--border); margin: 4px 0; }

.sql-editor-wrap {
  flex: 1;
  min-height: 80px;
  position: relative;
  overflow: hidden;
}
.sql-editor-wrap .CodeMirror {
  height: 100% !important;
  width: 100% !important;
}
.sql-editor-wrap .CodeMirror-scroll {
  min-height: 80px;
}

/* ---- SQL sub-tabs (Editor / Result / Notifications) ---- */
.sql-sub-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--surface-muted);
}
.sql-sub-tab {
  padding: 6px 16px;
  font-size: 12px;
  font-family: var(--font-sans);
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.1s;
  display: flex; align-items: center; gap: 4px;
}
.sql-sub-tab:hover { background: var(--hover-bg); color: var(--text-primary); }
.sql-sub-tab.active {
  background: var(--surface);
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent);
  margin-bottom: -1px;
}
.sql-sub-tab:disabled { opacity: .4; cursor: default; }
.sql-sub-tab:disabled:hover { background: transparent; color: var(--text-secondary); }
.sql-sub-tab-right { margin-left: auto; border-right: none; border-left: 1px solid var(--border); }
.sql-sub-tab-right.active { border-bottom-color: var(--danger); }
.sql-sub-count {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 2px;
}
/* ---- SQL tab panels ---- */
.sql-panel-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.sql-panel-body-msg {
  padding: 16px;
  overflow-y: auto;
}
.sql-tab-scroll {
  flex: 1;
  overflow: auto;
  padding: 8px;
}
.sql-tab-scroll .meta-table { margin: 0; font-size: 12px; }
.sql-tab-scroll .meta-table th { white-space: nowrap; }
.sql-empty-panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
}
.sql-history-section { margin-top: 16px; }
.sql-msg-error { color: var(--danger); font-size: 13px; margin-bottom: 8px; }
.sql-msg-info { color: var(--text-secondary); font-size: 13px; }
.sql-msg-muted { color: var(--text-muted); font-size: 13px; font-style: italic; }
.sql-batch { margin-top: 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.sql-batch-item { display: flex; gap: 10px; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.sql-batch-item:last-child { border-bottom: none; }
.sql-batch-item.ok { background: var(--bg-subtle); }
.sql-batch-item.err { background: color-mix(in srgb, var(--danger) 10%, var(--bg)); }
.sql-batch-idx { flex: 0 0 22px; width: 22px; height: 22px; line-height: 22px; text-align: center; border-radius: 50%; background: var(--bg-elevated); color: var(--text-secondary); font-size: 12px; font-weight: 600; }
.sql-batch-item.err .sql-batch-idx { background: var(--danger); color: #fff; }
.sql-batch-main { flex: 1 1 auto; min-width: 0; }
.sql-batch-sql { display: block; font-family: var(--font-mono); font-size: 12px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sql-batch-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.sql-batch-item.err .sql-batch-meta { color: var(--danger); }
.sql-msg-error-inline { color: var(--danger); }
.sql-preview-warning {
  background: #fff3e0;
  color: #e65100;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  margin-bottom: 10px;
}
[data-theme="dark"] .sql-preview-warning { background: #3a2a0a; color: #ffb74d; }

.sql-history-list { max-height: 300px; overflow-y: auto; }
.sql-history-item {
  padding: 8px 10px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  margin-bottom: 4px;
  transition: background 0.1s;
}
.sql-history-item:hover { background: var(--hover-bg); border-color: var(--border); }
.sql-history-sql { font-size: 12px; margin-bottom: 4px; }
.sql-history-sql code {
  font-family: var(--font-mono);
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-all;
}
.sql-history-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  color: var(--text-muted);
}
.error { color: var(--danger); padding: 8px 0; }
.msg { color: var(--text-secondary); font-size: 13px; padding: 4px 0; }

/* ---- DDL block (scripts, views, functions) ---- */
.ddl {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-window);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow: auto;
  max-height: 600px;
}
.ddl-wrap { padding: 14px; }
.ddl-heading {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 10px;
}

/* ---- Record modal ---- */
.record-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: var(--overlay);
}
.record-modal {
  width: min(680px, 100%);
  max-height: calc(100vh - 40px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-window);
  box-shadow: var(--shadow-lg);
}
.record-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  flex: none;
}
.record-modal-header h2 { margin: 0; font-size: 16px; }
.record-modal-header p { margin: 3px 0 0; color: var(--text-secondary); font-size: 13px; }
.record-modal-close { border: 0; background: transparent; color: var(--text-secondary); cursor: pointer; font-size: 20px; line-height: 1; padding: 0; }
.record-form {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1 1 auto;
}
.record-form-grid {
  min-height: 0;
  overflow-y: auto;
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
  padding: 18px;
}
.record-field { min-width: 0; }
.record-field.is-wide { grid-column: 1 / -1; }
.record-field > label:first-child {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
}
.record-field label small { color: var(--text-secondary); font-size: 11px; font-weight: 400; }
.required-mark { margin-left: 3px; color: var(--danger); }
.record-field > input, .record-field > textarea {
  width: 100%;
  min-width: 0;
}
.record-field > textarea { min-height: 80px; resize: vertical; }
.record-checkbox { min-height: 36px; display: flex; align-items: center; gap: 8px; color: var(--text-primary); }
.record-checkbox input { width: 16px; height: 16px; accent-color: var(--accent); }
.record-error { min-height: 1lh; margin: 0 18px 12px; color: var(--danger); font-size: 13px; flex: none; }
.record-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  flex: none;
}

/* ---- Add Database Center modal ---- */
.dashboard-heading-actions {
  display: flex;
  gap: 8px;
  flex: none;
}
.center-icon {
  display: inline-flex;
  width: 18px;
  height: 18px;
  margin-right: 7px;
  vertical-align: -3px;
  color: var(--accent);
}
.center-icon svg { width: 100%; height: 100%; }
.add-center-modal .record-form-grid {
  grid-template-columns: 1fr;
  gap: 14px;
}
.add-center-name { display: flex; flex-direction: column; gap: 4px; }
.add-center-name > span,
.add-center-icon > span { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.path-row { display: flex; align-items: flex-end; gap: 8px; }
.path-field { flex: 1 1 auto; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.path-field output { display: block; width: 100%; min-height: 34px; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius-control); color: var(--text-secondary); font: 12px/1.4 var(--font-mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.path-row .btn { flex: none; }
.dir-browser {
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--input-bg, var(--panel-bg));
  padding: 10px;
}
.dir-browser-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.dir-current {
  font: 12px/1.4 var(--font-mono);
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn-mini {
  padding: 2px 10px;
  font-size: 12px;
  line-height: 1.6;
  border-radius: var(--radius-control);
  border: 1px solid var(--border);
  background: var(--btn-secondary-bg, #eee);
  color: var(--text-primary);
  cursor: pointer;
}
.dir-loading { padding: 8px 2px; color: var(--text-secondary); }
.dir-tree { list-style: none; margin: 0; padding: 0; max-height: 260px; overflow-y: auto; }
.dir-tree .dir-tree { max-height: none; margin-left: 16px; overflow: visible; }
.dir-tree-row, .dir-tree-name {
  display: flex;
  align-items: center;
  gap: 8px;
}
.dir-tree-name {
  flex: 1;
  min-width: 0;
  padding: 6px 8px;
  border-radius: var(--radius-control);
  color: inherit;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
}
.dir-tree-name:hover { background: var(--hover-bg); }
.dir-tree-toggle { width: 24px; border: 0; color: var(--text-secondary); background: transparent; cursor: pointer; }
.dir-tree-loading { color: var(--text-secondary); padding-right: 8px; }
.dir-item-icon { display: inline-flex; width: 16px; height: 16px; color: var(--text-secondary); flex: none; }
.dir-item-icon svg { width: 100%; height: 100%; }
.path-field-icon { display: inline-flex; width: 16px; height: 16px; color: var(--text-secondary); flex: none; }
.path-field-icon svg { width: 100%; height: 100%; }
.dir-item-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dir-empty { padding: 8px 2px; color: var(--text-secondary); font-size: 13px; }
.add-center-icon { display: flex; flex-direction: column; gap: 8px; }
.icon-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.icon-choice {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--panel-bg);
  color: var(--text-secondary);
  cursor: pointer;
}
.icon-choice svg { width: 22px; height: 22px; }
.icon-choice:hover { border-color: var(--accent); color: var(--text-primary); }
.icon-choice.selected {
  border-color: var(--accent);
  background: var(--accent-soft, rgba(80,120,255,0.12));
  color: var(--accent);
}

/* ---- Schema modal ---- */
.schema-modal { border-radius: var(--radius-window); }
.schema-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 18px;
  min-height: 0;
  overflow-y: auto;
  flex: 1 1 auto;
}
.schema-form-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
}
.schema-form-grid input, .schema-form-grid select {
  width: 100%;
  min-width: 0;
}
.schema-form-grid .schema-nullable {
  flex-direction: row;
  align-items: center;
  align-self: end;
  min-height: 36px;
}
.schema-form-grid .schema-nullable input { width: 16px; }
.schema-warning {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin: 0 18px 14px;
  padding: 10px 12px;
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--warning) 32%, var(--border));
  border-radius: var(--radius-window);
  font-size: 13px;
  flex: none;
}
.schema-warning span { color: var(--text-primary); }

/* ---- Column picker ---- */
.col-picker { position: relative; display: inline-block; }
.col-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 20;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-window);
  padding: 6px;
  min-width: 190px;
  max-height: 280px;
  overflow: auto;
  box-shadow: var(--shadow-lg);
}
.col-menu-title { font-size: 10px; text-transform: uppercase; letter-spacing: .8px; color: var(--text-secondary); margin: 2px 4px 6px; font-weight: 600; }
.col-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-primary);
}
.col-menu-item:hover { background: var(--hover-bg); }
.col-overlay { position: fixed; inset: 0; z-index: 10; }

/* ---- Notifications ---- */
.app-notice {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 200;
  width: min(370px, calc(100vw - 36px));
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  color: var(--text-primary);
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--danger);
  border-radius: var(--radius-window);
  box-shadow: var(--shadow-lg);
  animation: toast-in 180ms ease-out;
}
.app-notice.is-success { border-left-color: var(--success); }
.notice-mark {
  flex: none; width: 22px; height: 22px; display: grid; place-items: center;
  border-radius: 50%; background: color-mix(in srgb, var(--danger) 14%, transparent);
  color: var(--danger); font-weight: 700;
}
.app-notice.is-success .notice-mark { background: color-mix(in srgb, var(--success) 14%, transparent); color: var(--success); }
.app-notice > span:nth-child(2) { flex: 1; }
.app-notice button { flex: none; background: transparent; border: 0; color: var(--text-secondary); cursor: pointer; font-size: 18px; }
@keyframes toast-in { from { opacity: 0; transform: translateY(-8px); } }
@media (prefers-reduced-motion: reduce) { .app-notice { animation: none; } }

/* ---- Generic heading ---- */
h3 { margin: 16px 0 6px; font-size: 12px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }

/* ---- Responsive ---- */
@media (max-width: 800px) {
  .app-shell { padding: 0; }
  .app-window { border-radius: 0; border: none; box-shadow: none; }
  .workspace-shell { flex-direction: column; }
  .workspace-shell .sidebar {
    width: 100%;
    flex: 0 0 auto;
    max-height: 35vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .workspace-rail { flex-wrap: wrap; gap: 8px; }
  .table-toolbar { flex-wrap: wrap; gap: 8px; }
  .table-tab-strip { flex-basis: 100%; order: 2; }
  .cluster-switch { order: 1; }
  .segmented-tabs { order: -1; width: 100%; }
  .segmented-tab { flex: 1; padding: 0 10px; }
  .toolbar-spacer { display: none; }
  .utility-controls { margin-left: 0; }
  .primary-actions { margin-left: auto; }
  .center-grid { grid-template-columns: 1fr; }
  .dashboard-heading { flex-direction: column; align-items: flex-start; }
  .record-modal-backdrop { padding: 8px; }
  .record-form-grid,
  .schema-form-grid { grid-template-columns: 1fr; }
  .record-field.is-wide { grid-column: auto; }
  .main-titlebar { flex-wrap: wrap; gap: 6px; }
  .breadcrumb-item { font-size: 12px; }
  .titlebar-controls { margin-left: 0; }
}
/* sidebar context menu */
.sql-ctx-menu {
  position: fixed; z-index: 1001;
  background: var(--surface-solid); border: 1px solid var(--border);
  border-radius: 6px; box-shadow: 0 4px 16px rgba(0,0,0,.15);
  padding: 4px 0; min-width: 160px;
}
.sql-ctx-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 6px 12px;
  border: none; background: none; color: var(--fg);
  font: inherit; font-size: 13px; cursor: pointer;
  text-align: left;
}
.sql-ctx-item:hover { background: var(--accent); color: #fff; }
.sql-ctx-icon { width: 18px; text-align: center; font-size: 12px; opacity: .7; }
.sql-ctx-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ---- Data grid search ---- */
.data-search { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0; }
.data-search-form { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.data-search-col { max-width: 180px; }
.data-search-input { min-width: 200px; flex: 1 1 200px; }
.data-search-error { color: var(--danger); font-size: 12px; }
[data-theme="dark"] .sql-ctx-menu { background: #1e1e2e; border-color: #444; box-shadow: 0 4px 16px rgba(0,0,0,.4); }
[data-theme="dark"] .sql-ctx-item:hover { background: var(--accent); }

.table-tab-strip { display: flex; align-items: center; gap: 0; padding: 6px 16px; min-height: 40px; border-bottom: 1px solid var(--border); background: var(--panel-bg); overflow-x: auto; scrollbar-width: thin; }
.table-tab-group { display: inline-flex; align-items: stretch; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; background: var(--bg-alt); flex-shrink: 0; max-width: 100%; }
.cluster-tab {
  padding: 6px 14px; border: 1px solid var(--border); background: var(--bg-alt);
  color: var(--fg); font: inherit; font-size: 13px; cursor: pointer; border-radius: 6px;
  transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease;
  position: relative;
}
.cluster-tab:not(:first-child) { margin-left: -1px; }
.cluster-tab:first-child { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.cluster-tab:last-child { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.cluster-tab:not(:first-child):not(:last-child) { border-radius: 0; }
.cluster-tab:only-child { border-radius: 6px; }
  .cluster-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); z-index: 1; }

.table-tab {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 8px 6px 12px; border: none; border-right: 1px solid var(--border); background: transparent;
  color: var(--fg); font: inherit; font-size: 13px; cursor: pointer; border-radius: 0;
  white-space: nowrap;
  transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease;
}
.table-tab:last-child { border-right: none; }
.table-tab.active { background: var(--accent); color: #fff; }
.table-tab-name { max-width: 160px; overflow: hidden; text-overflow: ellipsis; }
.table-tab-close {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 4px; font-size: 13px; line-height: 1;
  opacity: .65;
}
.table-tab-spinner {
  width: 11px; height: 11px; flex: 0 0 auto;
  border: 2px solid currentColor; border-top-color: transparent;
  border-radius: 50%; opacity: .85;
  animation: table-tab-spin .7s linear infinite;
}
@keyframes table-tab-spin { to { transform: rotate(360deg); } }
.table-tab-close:hover { background: rgba(0,0,0,.18); opacity: 1; }
.table-tab.active .table-tab-close:hover { background: rgba(255,255,255,.25); }



/* ---- Multi DB Query ---- */
.multi-panel { display: flex; flex-direction: column; gap: 0; }
.multi-toolbar { display: flex; align-items: center; gap: 8px; padding: 8px 16px; border-bottom: 1px solid var(--border); background: var(--panel-bg); flex-wrap: wrap; }
.multi-toolbar-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }
.multi-controls { padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--bg-alt); display: flex; flex-direction: column; gap: 10px; }
.multi-source-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.multi-count-badge { font-size: 12px; color: var(--text-secondary); background: var(--segmented-bg); padding: 4px 8px; border-radius: 999px; }
.multi-preview { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 12px; }
.multi-preview-label { color: var(--text-secondary); font-weight: 600; }
.multi-preview-chip { background: var(--panel-bg); border: 1px solid var(--border); padding: 2px 6px; border-radius: 999px; }
.multi-manage { border: 1px solid var(--border); border-radius: 8px; padding: 12px; background: var(--panel-bg); display: flex; flex-direction: column; gap: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.multi-manage-header { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-bottom: 1px solid var(--border); background: var(--surface-muted); border-radius: 8px 8px 0 0; margin: -12px -12px 0 -12px; }
.multi-manage-header-title { font-weight: 600; font-size: 13px; display: flex; align-items: center; gap: 6px; }
.multi-manage-body { display: flex; gap: 16px; }
.multi-manage-toggle { display: inline-flex; align-items: center; gap: 6px; }
.multi-manage-toggle .chevron { transition: transform 0.15s ease; display: inline-block; font-size: 11px; }
.multi-manage-toggle .chevron.open { transform: rotate(180deg); }
.multi-manage-toggle.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.multi-manage-title { font-weight: 600; font-size: 13px; }
.multi-manage-empty { color: var(--text-secondary); font-size: 12px; }
.multi-manage-item { display: flex; align-items: center; gap: 8px; font-size: 12px; border-bottom: 1px solid var(--border); padding: 6px 0; }
.multi-manage-item:last-child { border-bottom: none; }
.multi-manage-regex { color: var(--text-secondary); font-family: monospace; background: var(--segmented-bg); padding: 1px 4px; border-radius: 4px; }
.multi-manage-count { margin-left: auto; color: var(--text-secondary); }
.multi-create { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.multi-create .input-sm { padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; min-width: 160px; }
.multi-create-actions { display: flex; gap: 8px; }
.multi-affected-preview { font-size: 12px; color: var(--text-secondary); background: var(--segmented-bg); padding: 4px 8px; border-radius: 6px; }
.multi-manage--two-col { flex-direction: row; gap: 16px; align-items: stretch; }
.multi-manage-left { flex: 1 1 40%; min-width: 240px; display: flex; flex-direction: column; gap: 8px; }
.multi-manage-right { flex: 1 1 60%; min-width: 280px; display: flex; flex-direction: column; gap: 8px; border-left: 1px solid var(--border); padding-left: 16px; }
.multi-db-list { max-height: 260px; overflow-y: auto; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); display: flex; flex-direction: column; }
.multi-db-row { display: flex; align-items: center; gap: 8px; padding: 6px 8px; font-size: 12px; cursor: pointer; border-bottom: 1px solid var(--border); }
.multi-db-row:last-child { border-bottom: none; }
.multi-db-row.matched { background: var(--surface-muted, #f6f8fa); }
.multi-db-row:hover { background: var(--hover-bg); }
.multi-db-label { font-weight: 500; }
.multi-db-path { color: var(--text-secondary); font-size: 11px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.multi-manage-item.active { background: var(--surface-muted); border-radius: 4px; padding-left: 6px; padding-right: 6px; }
.multi-source-manual { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-secondary); }
.field-error { color: var(--danger, #c00); font-size: 12px; }
.multi-editor-wrap { flex: 1 1 auto; min-height: 180px; border-bottom: 1px solid var(--border); }
.multi-editor-wrap .CodeMirror { height: 220px; }
.multi-summary { padding: 10px 16px; background: var(--panel-bg); border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; font-size: 13px; flex-wrap: wrap; }
.multi-summary .ok { color: #0a7a0a; font-weight: 600; }
.multi-summary .err { color: #c00; font-weight: 600; }
.multi-results { display: flex; flex-direction: column; gap: 12px; padding: 12px 16px; }
.multi-result-card { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--panel-bg); }
.multi-result-card.ok { border-color: var(--border); }
.multi-result-card.err { border-color: #e0a0a0; }
.multi-result-header { display: flex; align-items: center; gap: 8px; padding: 8px 12px; background: var(--bg-alt); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.multi-result-header strong { font-size: 13px; }
.multi-result-path { font-size: 11px; color: var(--text-secondary); flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { padding: 2px 6px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge-ok { background: #e6f4ea; color: #137333; }
.badge-err { background: #fce8e6; color: #c5221f; }
.multi-result-time { font-size: 11px; color: var(--text-secondary); }
.multi-result-meta { font-size: 11px; color: var(--text-secondary); }
.multi-result-error { padding: 10px 12px; color: #c00; font-size: 12px; background: #fff5f5; }
.multi-result-table-wrap { overflow-x: auto; }
.multi-result-empty { padding: 10px 12px; color: var(--text-secondary); font-size: 12px; }
.multi-empty, .multi-busy { padding: 16px; text-align: center; color: var(--text-secondary); font-size: 13px; }
.tree-row.multi-row { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.tree-row.multi-row input[type="checkbox"] { flex: none; }
.tree-size { margin-left: auto; font-size: 11px; color: var(--text-muted); background: var(--segmented-bg); padding: 1px 6px; border-radius: 999px; white-space: nowrap; }
.tree-row.active .tree-size { background: rgba(255,255,255,0.22); color: rgba(255,255,255,0.9); }
.sidebar-object-count { margin-left: auto; font-size: 11px; color: var(--text-muted); background: var(--segmented-bg); padding: 1px 6px; border-radius: 999px; min-width: 22px; text-align: center; }
.sidebar-object-count.is-loading { opacity: 0.5; min-width: 16px; }
.sidebar-object-row.active .sidebar-object-count { background: rgba(255,255,255,0.18); color: inherit; }
.sidebar-stats-loading {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 14px; font-size: 11px; color: var(--text-muted);
  opacity: 0.8;
}
.sidebar-stats-loading .spinner { width: 12px; height: 12px; border-width: 2px; }
.db-overview { flex: 1; min-height: 0; overflow: auto; padding: 20px 18px; display: flex; flex-direction: column; gap: 16px; }
.db-overview-header { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; }
.db-overview-header h2 { margin: 0; font-size: 18px; overflow: hidden; text-overflow: ellipsis; }
.db-overview-path { font-size: 12px; color: var(--text-secondary); }
.db-overview-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr)); gap: 10px; }
.db-metric { display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; background: var(--panel-bg); border: 1px solid var(--border); border-radius: 10px; }
.db-metric-label { font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--text-muted); }
.db-metric-value { font-size: 16px; }
.db-overview-table-wrap { display: flex; flex-direction: column; gap: 8px; }
.db-overview-table-wrap .meta-table tbody tr:hover { background: var(--hover-bg); }
.db-overview-hint { font-size: 12px; color: var(--text-secondary); margin: 4px 0 0; font-style: italic; }



/* ---- Sidebar resizer ---- */
.sidebar-resizer {
  width: 6px;
  flex: 0 0 6px;
  cursor: col-resize;
  background: transparent;
  border-left: 1px solid var(--border);
  position: relative;
  z-index: 5;
  transition: background 120ms, border-color 120ms;
}
.sidebar-resizer::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 24px;
  border-radius: 999px;
  background: var(--border);
  opacity: 0;
  transition: opacity 120ms, background 120ms;
}
.sidebar-resizer:hover,
.sidebar-resizer.dragging {
  background: var(--accent-light);
  border-left-color: var(--accent);
}
.sidebar-resizer:hover::after,
.sidebar-resizer.dragging::after {
  opacity: 1;
  background: var(--accent);
}

/* ---- Tables area scrollbars (match sidebar) ---- */
.grid-panel,
.panel,
.tabulator-tableholder,
.sql-tab-scroll,
.multi-results {
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}
.grid-panel:hover,
.panel:hover,
.tabulator-tableholder:hover,
.sql-tab-scroll:hover,
.multi-results:hover {
  scrollbar-color: var(--text-muted) transparent;
}
.grid-panel::-webkit-scrollbar,
.panel::-webkit-scrollbar,
.tabulator-tableholder::-webkit-scrollbar,
.sql-tab-scroll::-webkit-scrollbar,
.multi-results::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.grid-panel::-webkit-scrollbar-track,
.panel::-webkit-scrollbar-track,
.tabulator-tableholder::-webkit-scrollbar-track,
.sql-tab-scroll::-webkit-scrollbar-track,
.multi-results::-webkit-scrollbar-track {
  background: transparent;
}
.grid-panel::-webkit-scrollbar-thumb,
.panel::-webkit-scrollbar-thumb,
.tabulator-tableholder::-webkit-scrollbar-thumb,
.sql-tab-scroll::-webkit-scrollbar-thumb,
.multi-results::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 999px;
  border: 1px solid transparent;
  background-clip: padding-box;
}
.grid-panel:hover::-webkit-scrollbar-thumb,
.panel:hover::-webkit-scrollbar-thumb,
.tabulator-tableholder:hover::-webkit-scrollbar-thumb,
.sql-tab-scroll:hover::-webkit-scrollbar-thumb,
.multi-results:hover::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--text-muted) 45%, transparent);
  background-clip: padding-box;
}
.grid-panel::-webkit-scrollbar-thumb:hover,
.panel::-webkit-scrollbar-thumb:hover,
.tabulator-tableholder::-webkit-scrollbar-thumb:hover,
.sql-tab-scroll::-webkit-scrollbar-thumb:hover,
.multi-results::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
  background-clip: padding-box;
}
.workspace-shell.resizing {
  user-select: none;
  cursor: col-resize;
}
.workspace-shell.resizing * {
  user-select: none !important;
}

@media (max-width: 800px) {
  .multi-manage--two-col { flex-direction: column; }
  .multi-manage-right { border-left: none; padding-left: 0; border-top: 1px solid var(--border); padding-top: 12px; }
  .sidebar-resizer { display: none; }
  .workspace-shell .sidebar { width: 100% !important; flex: 0 0 auto !important; max-height: 35vh; }
}


/* ---- Forbidden page (403 Access Denied) ---- */
.forbidden-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 24px;
  background: var(--bg);
}
.forbidden-card {
  text-align: center; max-width: 400px; padding: 48px 32px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: 0 4px 24px rgba(0,0,0,.08);
}
.forbidden-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 96px; height: 96px; border-radius: 50%;
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  color: var(--danger); margin-bottom: 24px;
}
.forbidden-title {
  font-size: 20px; font-weight: 600; color: var(--fg);
  margin: 0 0 12px;
}
.forbidden-message {
  font-size: 14px; color: var(--text-secondary);
  margin: 0 0 16px; line-height: 1.5;
}
.forbidden-ip {
  font-size: 12px; color: var(--text-secondary);
  margin: 0; padding: 8px 12px;
  background: var(--bg-alt); border-radius: 6px;
  font-family: monospace;
}
[data-theme="dark"] .forbidden-card { box-shadow: 0 4px 24px rgba(0,0,0,.3); }