/* =========================================================
   SQLite Viewer — Design tokens
   Palette: SQLite-blue lineage, modernised.
   Primary  #0F6FDE   Primary container  #E4EFFF
   Accent   #12A594   (run / success)
   Surface light #F5F7FB   Surface dark #10151C
   ========================================================= */

:root {
  --font-ui: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-squircle: 30% 30% 32% 32% / 34% 34% 30% 30%;

  --ease: cubic-bezier(.2,.8,.2,1);
  --dur-fast: 120ms;
  --dur-mid: 220ms;

  --shadow-1: 0 1px 2px rgba(20,30,45,.06), 0 1px 3px rgba(20,30,45,.08);
  --shadow-2: 0 4px 14px rgba(20,30,45,.10), 0 2px 4px rgba(20,30,45,.06);
  --shadow-3: 0 12px 32px rgba(20,30,45,.16);

  --topbar-h: 60px;
  --sidebar-w: 288px;
}

/* ---------- Light theme (default) ---------- */
:root,
:root[data-theme="light"] {
  --color-bg: #F5F7FB;
  --color-surface: #FFFFFF;
  --color-surface-2: #EFF3F9;
  --color-surface-3: #E4EAF3;
  --color-border: #DEE4EE;
  --color-text: #16202E;
  --color-text-muted: #5C6B7E;
  --color-text-faint: #8895A7;

  --color-primary: #0F6FDE;
  --color-primary-hover: #0B5FC2;
  --color-primary-container: #E4EFFF;
  --color-on-primary: #FFFFFF;
  --color-on-primary-container: #08376F;

  --color-accent: #12A594;
  --color-accent-container: #DCF6F1;

  --color-danger: #D8384C;
  --color-danger-container: #FCE4E7;

  --color-focus-ring: #0F6FDE;
  --scrollbar-thumb: #C6CEDB;
}

/* ---------- Dark theme ---------- */
:root[data-theme="dark"] {
  --color-bg: #0E141C;
  --color-surface: #161D27;
  --color-surface-2: #1C2430;
  --color-surface-3: #263140;
  --color-border: #2B3644;
  --color-text: #E9EEF5;
  --color-text-muted: #9DACC0;
  --color-text-faint: #6D7C90;

  --color-primary: #6BA9F5;
  --color-primary-hover: #8CBEFA;
  --color-primary-container: #163257;
  --color-on-primary: #072345;
  --color-on-primary-container: #D6E7FF;

  --color-accent: #4FD8C4;
  --color-accent-container: #10352F;

  --color-danger: #FF7A8A;
  --color-danger-container: #3A1620;

  --color-focus-ring: #6BA9F5;
  --scrollbar-thumb: #34404F;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { color-scheme: light; }
html:has([data-theme="dark"]) { color-scheme: dark; }

body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
}

::selection { background: var(--color-primary-container); color: var(--color-on-primary-container); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 20px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
  border-radius: 6px;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--color-primary); color: var(--color-on-primary);
  padding: 10px 16px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

button { font-family: inherit; cursor: pointer; }

/* =========================== Top bar =========================== */
.topbar {
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 6px;
  padding: 0 14px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: relative; z-index: 30;
}

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: none; background: transparent; color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.icon-btn:hover { background: var(--color-surface-2); color: var(--color-text); }
.icon-btn[aria-expanded="true"] { background: var(--color-primary-container); color: var(--color-on-primary-container); }

.only-mobile { display: none; }

.brand { display: flex; align-items: center; gap: 10px; padding: 0 4px; min-width: 0; }
.brand-mark {
  width: 38px; height: 38px; flex: none;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-squircle);
  background: linear-gradient(145deg, #2E8CFB, #0F5FC4);
  color: #fff; box-shadow: var(--shadow-1);
}
.brand-mark svg { width: 20px; height: 20px; }
.brand-mark--lg { width: 64px; height: 64px; margin: 0 auto 12px; }
.brand-mark--lg svg { width: 32px; height: 32px; }

.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-text strong { font-weight: 700; font-size: 15px; letter-spacing: -.01em; }
.brand-text small { font-size: 11.5px; color: var(--color-text-faint); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.topbar-spacer { flex: 1; }

.db-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: 6px 8px 6px 12px;
  border-radius: 999px;
  color: var(--color-text-muted);
  font-size: 13px; font-weight: 500;
  max-width: 240px;
  margin-right: 8px;
}
.db-chip svg { width: 15px; height: 15px; color: var(--color-primary); flex: none; }
.db-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--color-text); }
.chip-close {
  border: none; background: var(--color-surface-3); color: var(--color-text-muted);
  width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex: none;
}
.chip-close svg { width: 11px; height: 11px; }
.chip-close:hover { background: var(--color-danger-container); color: var(--color-danger); }

.topbar-actions { display: flex; align-items: center; gap: 2px; }

/* Menus / dropdowns */
.menu-wrap { position: relative; }
.menu {
  position: absolute; right: 0; top: calc(100% + 8px);
  list-style: none; margin: 0; padding: 6px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-3);
  min-width: 160px; z-index: 50;
}
.menu--wide { min-width: 280px; max-height: 340px; overflow-y: auto; }
.menu li {
  padding: 9px 12px; border-radius: var(--radius-xs);
  font-size: 13.5px; color: var(--color-text); font-weight: 500;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.menu li:hover { background: var(--color-surface-2); cursor: pointer; }
.menu li[aria-selected="true"] { background: var(--color-primary-container); color: var(--color-on-primary-container); }
.menu-empty { color: var(--color-text-faint); font-weight: 400; cursor: default; }
.menu-empty:hover { background: transparent; }

.history-item { display: flex; flex-direction: column; align-items: flex-start !important; gap: 2px; }
.history-item code { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.history-item time { font-size: 10.5px; color: var(--color-text-faint); }

/* =========================== App shell =========================== */
.app-shell { display: flex; height: calc(100vh - var(--topbar-h)); height: calc(100dvh - var(--topbar-h)); position: relative; }

.sidebar {
  width: var(--sidebar-w); flex: none;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  padding: 14px 10px 24px;
}

.sidebar-section {}

.sidebar-heading {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 8px 10px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--color-text-faint);
}
.sidebar-heading--secondary { margin-top: 14px; }
.count-badge {
  background: var(--color-surface-2); color: var(--color-text-muted);
  border-radius: 999px; padding: 1px 8px; font-size: 11px; font-weight: 600;
}

.search-mini {
  display: flex; align-items: center; gap: 8px;
  background: var(--color-surface-2); border: 1px solid transparent;
  border-radius: var(--radius-sm); padding: 8px 10px; margin: 0 4px 10px;
  transition: border-color var(--dur-fast);
}
.search-mini:focus-within { border-color: var(--color-primary); background: var(--color-surface); }
.search-mini svg { width: 15px; height: 15px; color: var(--color-text-faint); flex: none; }
.search-mini input { border: none; background: transparent; outline: none; font: inherit; font-size: 13px; color: var(--color-text); width: 100%; }
.search-mini input::placeholder { color: var(--color-text-faint); }
.search-mini--toolbar { margin: 0; max-width: 260px; }

.table-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.table-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: var(--radius-sm);
  cursor: pointer; color: var(--color-text-muted);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.table-item:hover { background: var(--color-surface-2); color: var(--color-text); }
.table-item.is-active { background: var(--color-primary-container); color: var(--color-on-primary-container); }
.table-item.is-active .table-item-icon { color: var(--color-primary); }
.table-item-icon { width: 17px; height: 17px; flex: none; color: var(--color-text-faint); }
.table-item-icon svg { width: 100%; height: 100%; }
.table-item-name { flex: 1; min-width: 0; font-size: 13.5px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table-item-meta { display: flex; align-items: center; gap: 6px; flex: none; }
.table-item-rows { font-size: 11px; color: var(--color-text-faint); font-variant-numeric: tabular-nums; }
.table-item.is-active .table-item-rows { color: var(--color-on-primary-container); opacity: .75; }

.mini-bar { width: 34px; height: 5px; border-radius: 4px; background: var(--color-surface-3); overflow: hidden; flex: none; }
.mini-bar-fill { height: 100%; background: var(--color-primary); border-radius: inherit; }
.table-item.is-active .mini-bar { background: rgba(255,255,255,.35); }
.table-item.is-active .mini-bar-fill { background: var(--color-primary); }

.sidebar-empty {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px;
  color: var(--color-text-faint); padding: 40px 22px 0;
}
.sidebar-empty svg { width: 34px; height: 34px; opacity: .6; }
.sidebar-empty p { margin: 0; font-size: 13px; line-height: 1.5; }

.sidebar-backdrop { display: none; }

/* =========================== Main =========================== */
.main { flex: 1; min-width: 0; height: 100%; overflow: hidden; display: flex; flex-direction: column; }

/* --- Dropzone / landing --- */
.dropzone-wrap { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px; overflow-y: auto; }
.dropzone {
  width: 100%; max-width: 480px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: 48px 32px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  transition: border-color var(--dur-mid) var(--ease), background var(--dur-mid) var(--ease), transform var(--dur-mid) var(--ease);
}
.dropzone.is-dragover { border-color: var(--color-primary); background: var(--color-primary-container); transform: scale(1.01); }
.dropzone-icon {
  width: 68px; height: 68px; border-radius: var(--radius-squircle);
  background: var(--color-primary-container); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; margin-bottom: 6px;
}
.dropzone-icon svg { width: 30px; height: 30px; }
.dropzone h1 { font-size: 20px; margin: 4px 0 2px; letter-spacing: -.01em; }
.dropzone p { margin: 0; color: var(--color-text-muted); font-size: 14px; line-height: 1.5; }
.dropzone-note { font-size: 12px !important; color: var(--color-text-faint) !important; margin-top: 10px !important; }
.sample-row { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--color-border); font-size: 13px; color: var(--color-text-faint); display: flex; gap: 6px; align-items: center; }

.link-btn { border: none; background: none; color: var(--color-primary); font-weight: 600; font-size: 13px; padding: 0; }
.link-btn:hover { text-decoration: underline; }

/* --- State panels (loading/error) --- */
.state-panel { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; color: var(--color-text-muted); padding: 24px; text-align: center; }
.state-panel svg { width: 40px; height: 40px; }
.state-panel--error svg { color: var(--color-danger); }
.spinner {
  width: 34px; height: 34px; border-radius: 50%;
  border: 3px solid var(--color-surface-3); border-top-color: var(--color-primary);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; border-radius: var(--radius-sm);
  font: inherit; font-weight: 600; font-size: 13.5px;
  padding: 10px 18px; transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.btn svg { width: 16px; height: 16px; }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); box-shadow: var(--shadow-1); }
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-2); }
.btn-secondary { background: var(--color-surface-2); color: var(--color-text); }
.btn-secondary:hover { background: var(--color-surface-3); }
.btn-ghost { background: transparent; color: var(--color-text-muted); }
.btn-ghost:hover { background: var(--color-surface-2); color: var(--color-text); }
.btn-sm { padding: 7px 12px; font-size: 12.5px; }
.btn kbd { font-family: var(--font-mono); font-size: 10px; background: rgba(255,255,255,.2); padding: 2px 5px; border-radius: 4px; font-weight: 500; }
.btn-secondary kbd, .btn-ghost kbd { background: var(--color-surface-3); color: var(--color-text-faint); }

/* =========================== Workspace / tabs =========================== */
.workspace { flex: 1; display: flex; flex-direction: column; min-height: 0; }

.tabs {
  display: flex; gap: 2px; padding: 10px 18px 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface); overflow-x: auto;
}
.tab {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 16px; border: none; background: transparent;
  color: var(--color-text-muted); font-weight: 600; font-size: 13.5px;
  border-radius: var(--radius-xs) var(--radius-xs) 0 0;
  border-bottom: 2.5px solid transparent; white-space: nowrap;
}
.tab:hover { color: var(--color-text); background: var(--color-surface-2); }
.tab[aria-selected="true"] { color: var(--color-primary); border-bottom-color: var(--color-primary); }

.panel { flex: 1; min-height: 0; overflow-y: auto; padding: 20px 24px 32px; }

.no-table-selected { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; height: 100%; min-height: 260px; color: var(--color-text-faint); text-align: center; }
.no-table-selected svg { width: 34px; height: 34px; }
.no-table-selected p { margin: 0; font-size: 13.5px; }

/* --- Data grid --- */
.table-view { display: flex; flex-direction: column; height: 100%; gap: 14px; }
.table-toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.table-toolbar-title { display: flex; align-items: baseline; gap: 10px; }
.table-toolbar-title h2 { margin: 0; font-size: 17px; font-family: var(--font-mono); font-weight: 600; letter-spacing: -.01em; }
.row-count { font-size: 12px; color: var(--color-text-faint); font-weight: 500; }
.toolbar-spacer { flex: 1; }

.grid-scroll { flex: 1; min-height: 120px; overflow: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); position: relative; }

table.data-grid { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-grid thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--color-surface-2); color: var(--color-text-muted);
  text-align: left; padding: 10px 14px; font-weight: 700; font-size: 11.5px;
  text-transform: uppercase; letter-spacing: .04em;
  border-bottom: 1px solid var(--color-border); white-space: nowrap;
}
.data-grid thead th.sortable { cursor: pointer; user-select: none; }
.data-grid thead th.sortable:hover { color: var(--color-text); }
.data-grid thead th .th-inner { display: flex; align-items: center; gap: 5px; }
.data-grid thead th .sort-icon { width: 12px; height: 12px; opacity: 0; }
.data-grid thead th.is-sorted .sort-icon { opacity: 1; color: var(--color-primary); }
.data-grid thead th.is-sorted-desc .sort-icon { transform: rotate(180deg); }

.data-grid tbody td {
  padding: 9px 14px; border-bottom: 1px solid var(--color-border);
  font-family: var(--font-mono); font-size: 12.5px; color: var(--color-text);
  white-space: nowrap; max-width: 340px; overflow: hidden; text-overflow: ellipsis;
}
.data-grid tbody tr:last-child td { border-bottom: none; }
.data-grid tbody tr:hover td { background: var(--color-surface-2); }
.data-grid tbody td.cell-null { color: var(--color-text-faint); font-style: italic; }
.data-grid tbody td.cell-pk { color: var(--color-primary); font-weight: 600; }
.data-grid tbody td.cell-num { text-align: right; font-variant-numeric: tabular-nums; }

.grid-empty { padding: 40px 20px; text-align: center; color: var(--color-text-faint); font-size: 13.5px; }

.pagination { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.pagination-info { font-size: 12.5px; color: var(--color-text-faint); font-variant-numeric: tabular-nums; }
.pagination-controls { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.page-indicator { font-size: 12.5px; color: var(--color-text-muted); padding: 0 8px; font-variant-numeric: tabular-nums; }
.page-size-select {
  font: inherit; font-size: 12.5px; color: var(--color-text); background: var(--color-surface-2);
  border: 1px solid var(--color-border); border-radius: var(--radius-xs); padding: 7px 10px;
}

/* --- Structure --- */
.structure-view h2 { font-family: var(--font-mono); font-size: 18px; margin: 0 0 18px; }
.structure-view h3 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--color-text-faint); margin: 24px 0 10px; font-weight: 700; }
.structure-view h3:first-of-type { margin-top: 0; }
.struct-grid td, .struct-grid th { white-space: nowrap; }
.struct-grid td:nth-child(2) { color: var(--color-text-muted); }
.muted-note { padding: 16px; color: var(--color-text-faint); font-size: 13px; margin: 0; }
.badge-check { color: var(--color-accent); }
.badge-dash { color: var(--color-text-faint); }
.sql-block {
  background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 16px 18px; font-family: var(--font-mono); font-size: 12.5px; line-height: 1.7;
  color: var(--color-text); white-space: pre-wrap; word-break: break-word; margin: 0;
}

/* --- Query panel --- */
.query-layout { display: flex; flex-direction: column; gap: 14px; height: 100%; }
.query-editor-wrap { display: flex; flex-direction: column; gap: 8px; }
.query-toolbar { display: flex; align-items: center; gap: 8px; }
.sql-input {
  width: 100%; min-height: 130px; resize: vertical;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.6;
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 14px 16px; outline: none;
}
.sql-input:focus { border-color: var(--color-primary); }
.query-hint { font-size: 11.5px; color: var(--color-text-faint); }
.query-results { flex: 1; min-height: 200px; display: flex; flex-direction: column; gap: 10px; }
.query-status {
  font-size: 12.5px; padding: 9px 14px; border-radius: var(--radius-xs);
  background: var(--color-accent-container); color: #0A6E62; font-weight: 500;
}
.query-status.is-error { background: var(--color-danger-container); color: var(--color-danger); }
:root[data-theme="dark"] .query-status { color: var(--color-accent); }

/* --- Info --- */
.info-view h2 { margin: 0 0 16px; font-size: 18px; }
.info-view h3 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--color-text-faint); margin: 24px 0 10px; font-weight: 700; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin: 0; }
.info-grid div.info-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 14px 16px;
}
.info-card dt { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-faint); font-weight: 700; margin: 0 0 6px; }
.info-card dd { margin: 0; font-size: 16px; font-weight: 700; font-family: var(--font-mono); }
.dist-bar { width: 90px; height: 6px; border-radius: 4px; background: var(--color-surface-3); overflow: hidden; }
.dist-bar-fill { height: 100%; background: var(--color-primary); }

/* =========================== Dialog =========================== */
.dialog-backdrop {
  position: fixed; inset: 0; background: rgba(10,16,24,.5);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px;
  backdrop-filter: blur(2px);
}
.dialog {
  position: relative; width: 100%; max-width: 400px;
  background: var(--color-surface); border-radius: var(--radius-lg);
  padding: 28px 28px 24px; box-shadow: var(--shadow-3);
  text-align: center; animation: dialog-in var(--dur-mid) var(--ease);
}
@keyframes dialog-in { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
.dialog-close { position: absolute; top: 12px; right: 12px; }
.dialog-brand h2 { margin: 0; font-size: 19px; }
.version-tag { color: var(--color-text-faint); font-size: 12px; margin: 2px 0 0; }
.dialog > p { color: var(--color-text-muted); font-size: 13.5px; line-height: 1.6; margin: 16px 0; }
.about-list { list-style: none; margin: 0 0 20px; padding: 0; text-align: left; display: flex; flex-direction: column; gap: 8px; }
.about-list li { font-size: 13px; color: var(--color-text); padding-left: 22px; position: relative; }
.about-list li::before {
  content: ''; position: absolute; left: 0; top: 6px; width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent);
}
.about-footer { border-top: 1px solid var(--color-border); padding-top: 16px; }
.about-footer p { margin: 0 0 4px; font-size: 13px; color: var(--color-text-muted); }
.ai-credit { font-size: 11.5px !important; color: var(--color-text-faint) !important; }

/* =========================== Toast =========================== */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(0);
  background: var(--color-text); color: var(--color-bg);
  padding: 12px 20px; border-radius: 999px; font-size: 13px; font-weight: 500;
  box-shadow: var(--shadow-3); z-index: 200; max-width: min(90vw, 420px);
  display: flex; align-items: center; gap: 8px;
}
.toast.is-hiding { animation: toast-out var(--dur-mid) forwards; }
.toast:not([hidden]) { animation: toast-in var(--dur-mid) var(--ease); }
@keyframes toast-in { from { opacity: 0; transform: translateX(-50%) translateY(10px); } }
@keyframes toast-out { to { opacity: 0; transform: translateX(-50%) translateY(10px); } }

/* =========================== Install banner =========================== */
.install-banner {
  position: fixed; bottom: 20px; right: 20px; z-index: 90;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-3);
  padding: 14px 16px; display: flex; align-items: center; gap: 12px;
  max-width: 340px;
}
.install-banner svg { color: var(--color-primary); flex: none; }
.install-banner span { font-size: 12.5px; color: var(--color-text); line-height: 1.4; flex: 1; }

/* =========================== Responsive =========================== */
@media (max-width: 860px) {
  :root { --sidebar-w: 78vw; }
  .only-mobile { display: inline-flex; }
  .brand-text small { display: none; }
  .sidebar {
    position: fixed; top: var(--topbar-h); bottom: 0; left: 0; z-index: 60;
    max-width: 340px; box-shadow: var(--shadow-3);
    transform: translateX(-100%); transition: transform var(--dur-mid) var(--ease);
  }
  .sidebar.is-open { transform: translateX(0); }
  .sidebar-backdrop {
    display: block; position: fixed; inset: var(--topbar-h) 0 0 0; background: rgba(10,16,24,.4);
    z-index: 55; opacity: 0; pointer-events: none; transition: opacity var(--dur-mid);
  }
  .sidebar-backdrop.is-visible { opacity: 1; pointer-events: auto; }

  .db-chip { max-width: 120px; }
  .panel { padding: 16px 14px 24px; }
  .table-toolbar { gap: 10px; }
  .search-mini--toolbar { max-width: none; width: 100%; order: 3; }
  .table-toolbar-title { width: 100%; justify-content: space-between; }
  .pagination { justify-content: space-between; }
  .pagination-controls { margin-left: 0; }
  .install-banner { left: 14px; right: 14px; max-width: none; bottom: 14px; }
  .tabs { padding: 8px 10px 0; }
  .tab span { display: none; }
  .tab { padding: 10px 13px; }
}

@media (max-width: 480px) {
  .topbar { padding: 0 8px; }
  .dropzone { padding: 36px 20px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}