/* ═══════════════════════════════════════════════════════════
   xxxxxx.club — E-Commerce Catalog Manager
   styles.css — Desktop-first, professional UI
═══════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────── */
:root {
  --sidebar-w: 200px;
  --header-h: 56px;

  --c-bg: #f1f5f9;
  --c-surface: #ffffff;
  --c-sidebar: #0f172a;
  --c-sidebar-hover: #1e293b;
  --c-sidebar-active: #2563eb;
  --c-header: #1e293b;

  --c-accent: #2563eb;
  --c-accent-hover: #1d4ed8;
  --c-accent-light: #eff6ff;

  --c-text: #1e293b;
  --c-text-sec: #64748b;
  --c-muted: #94a3b8;
  --c-border: #e2e8f0;

  --c-success: #16a34a;
  --c-success-bg: #f0fdf4;
  --c-warning: #d97706;
  --c-warning-bg: #fffbeb;
  --c-error: #dc2626;
  --c-error-bg: #fef2f2;
  --c-info: #0284c7;
  --c-info-bg: #f0f9ff;

  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', Consolas, monospace;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body { font-family: var(--font); font-size: 14px; color: var(--c-text); background: var(--c-bg); }
a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
input, select, textarea, button { font-family: inherit; font-size: 14px; }

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

/* ── Header ─────────────────────────────────────────────── */
.app-header {
  height: var(--header-h);
  background: var(--c-header);
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
  flex-shrink: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}
.header-brand { display: flex; align-items: center; gap: 10px; }
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-size: 16px; font-weight: 700; letter-spacing: -.3px; }
.brand-sub { font-size: 11px; color: #94a3b8; }
.header-stats { display: flex; gap: 6px; align-items: center; flex: 1; padding-left: 16px; }
.stat-chip {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  color: #cbd5e1;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}
.header-actions { display: flex; gap: 8px; margin-left: auto; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500; cursor: pointer;
  border: 1px solid transparent; transition: all .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.btn-primary:hover { background: var(--c-accent-hover); border-color: var(--c-accent-hover); }
.btn-outline { background: transparent; color: var(--c-accent); border-color: var(--c-accent); }
.btn-outline:hover { background: var(--c-accent-light); }
.btn-ghost { background: transparent; color: var(--c-text-sec); border-color: var(--c-border); }
.btn-ghost:hover { background: var(--c-bg); border-color: var(--c-text-sec); }
.btn-danger { background: var(--c-error); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 10px 20px; font-size: 15px; font-weight: 600; }

/* ── Workspace ───────────────────────────────────────────── */
.workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--c-sidebar);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex-shrink: 0;
}
.sidebar-section { padding: 12px 8px 4px; }
.sidebar-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #475569;
  padding: 0 8px;
  margin-bottom: 4px;
}
.nav-btn {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 9px 12px;
  background: transparent; border: none; border-radius: 6px;
  color: #94a3b8; font-size: 13px; font-weight: 500;
  cursor: pointer; text-align: left;
  transition: all .15s;
  position: relative;
}
.nav-btn:hover { background: var(--c-sidebar-hover); color: #e2e8f0; }
.nav-btn.active { background: var(--c-sidebar-active); color: #fff; }
.nav-badge {
  margin-left: auto;
  background: var(--c-error);
  color: white;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 10px;
  font-weight: 700;
}
.nav-badge.hidden { display: none; }
.sidebar-footer { margin-top: auto; padding: 12px; border-top: 1px solid #1e293b; }
.memory-label { font-size: 10px; color: #475569; margin-bottom: 4px; text-transform: uppercase; letter-spacing: .06em; }
.memory-info { font-size: 11px; color: #64748b; font-family: var(--font-mono); }

/* ── Content / Panels ────────────────────────────────────── */
.content { flex: 1; overflow: hidden; position: relative; }
.panel {
  position: absolute; inset: 0;
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.panel.active { display: flex; }

.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  flex-shrink: 0;
}
.panel-header h2 { font-size: 18px; font-weight: 700; color: var(--c-text); }
.panel-header p { font-size: 13px; color: var(--c-text-sec); margin-top: 2px; }
.panel-toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.panel-body {
  flex: 1; overflow-y: auto; padding: 20px 24px;
  display: flex; flex-direction: column; gap: 16px;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
}
.card h3 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }

/* ── Drop Zone ───────────────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--c-border);
  border-radius: var(--radius);
  padding: 40px 20px;
  background: var(--c-surface);
  cursor: pointer;
  transition: all .2s;
  text-align: center;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--c-accent);
  background: var(--c-accent-light);
}
.drop-content { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.drop-text strong { display: block; font-size: 16px; font-weight: 600; color: var(--c-text); }
.drop-text span { font-size: 13px; color: var(--c-text-sec); }
.drop-formats { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.format-badge {
  background: var(--c-bg); border: 1px solid var(--c-border);
  color: var(--c-text-sec); font-size: 11px; font-weight: 600;
  padding: 2px 8px; border-radius: 4px;
  font-family: var(--font-mono);
}

/* ── Options Grid ────────────────────────────────────────── */
.options-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-top: 8px; }
.option-toggle { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.toggle-track {
  width: 36px; height: 20px; border-radius: 10px;
  background: var(--c-border); position: relative; transition: background .2s;
  flex-shrink: 0;
}
.toggle-track::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%;
  background: white; transition: transform .2s;
  box-shadow: var(--shadow);
}
.option-toggle input[type=checkbox] { display: none; }
.option-toggle input[type=checkbox]:checked + .toggle-track { background: var(--c-accent); }
.option-toggle input[type=checkbox]:checked + .toggle-track::after { transform: translateX(16px); }
.toggle-label { font-size: 13px; }
.option-field { display: flex; flex-direction: column; gap: 4px; }
.option-field label { font-size: 12px; font-weight: 600; color: var(--c-text-sec); }

/* ── Form Elements ───────────────────────────────────────── */
input[type=text], input[type=number], select, textarea {
  width: 100%; padding: 7px 10px;
  border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  background: var(--c-surface); color: var(--c-text);
  transition: border-color .15s;
  outline: none;
}
input[type=text]:focus, input[type=number]:focus, select:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
input[type=checkbox] { width: 14px; height: 14px; accent-color: var(--c-accent); cursor: pointer; }
select { cursor: pointer; }
label small { display: block; font-size: 11px; color: var(--c-muted); margin-top: 3px; }
.inline-label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 5px; }
.form-field > label { font-size: 12px; font-weight: 600; color: var(--c-text-sec); }

/* ── Preview Header ──────────────────────────────────────── */
.preview-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.preview-header h3 { font-size: 15px; font-weight: 700; }

/* ── Sheet Selector ──────────────────────────────────────── */
.sheet-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.sheet-btn {
  padding: 7px 14px; border-radius: 6px;
  border: 1px solid var(--c-border); background: var(--c-surface);
  cursor: pointer; font-size: 13px; transition: all .15s;
}
.sheet-btn:hover { border-color: var(--c-accent); background: var(--c-accent-light); }
.sheet-btn.active { background: var(--c-accent); color: white; border-color: var(--c-accent); }

/* ── Data Table ──────────────────────────────────────────── */
.table-wrapper { overflow: auto; border: 1px solid var(--c-border); border-radius: var(--radius); background: var(--c-surface); }
.data-table {
  width: max-content; min-width: 100%;
  border-collapse: collapse; font-size: 13px;
}
.data-table th {
  background: #f8fafc; border-bottom: 2px solid var(--c-border);
  padding: 8px 12px; text-align: left;
  font-weight: 600; white-space: nowrap;
  position: sticky; top: 0; z-index: 1;
  cursor: pointer; user-select: none;
  color: var(--c-text-sec);
}
.data-table th:hover { background: var(--c-bg); color: var(--c-text); }
.data-table th.sorted { color: var(--c-accent); background: var(--c-accent-light); }
.data-table td {
  padding: 6px 12px; border-bottom: 1px solid var(--c-border);
  white-space: nowrap; max-width: 300px;
  overflow: hidden; text-overflow: ellipsis;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #f8fafc; }
.data-table .row-num { color: var(--c-muted); font-family: var(--font-mono); font-size: 11px; width: 48px; text-align: right; padding-right: 8px; }
.data-table th.row-num { cursor: default; }
.data-table td.cell-error { background: #fff5f5; color: var(--c-error); }
.data-table td.cell-warn { background: #fffbeb; color: var(--c-warning); }
.data-table td.cell-null { color: var(--c-muted); font-style: italic; }

/* ── Pagination ──────────────────────────────────────────── */
.pagination-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px;
  background: #f8fafc; border-top: 1px solid var(--c-border);
  font-size: 13px;
}
.pagination-bar .page-info { color: var(--c-text-sec); margin: 0 8px; }
.page-btn {
  padding: 4px 10px; border: 1px solid var(--c-border);
  border-radius: 4px; background: white; cursor: pointer;
  font-size: 12px; transition: all .15s;
}
.page-btn:hover { border-color: var(--c-accent); color: var(--c-accent); }
.page-btn.active { background: var(--c-accent); color: white; border-color: var(--c-accent); }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }
.page-jump { display: flex; align-items: center; gap: 6px; margin-left: 8px; }
.page-jump input { width: 54px; padding: 4px 6px; font-size: 12px; }

/* ── Viewer Toolbar ──────────────────────────────────────── */
.search-wrap {
  display: flex; align-items: center; gap: 0;
  border: 1px solid var(--c-border); border-radius: 6px;
  padding: 0 8px; background: var(--c-surface);
}
.search-wrap svg { color: var(--c-muted); flex-shrink: 0; }
.search-wrap input { border: none; outline: none; background: none; padding: 6px 6px; min-width: 200px; }
.clear-search { background: none; border: none; cursor: pointer; color: var(--c-muted); padding: 0 2px; }
.clear-search:hover { color: var(--c-text); }
.page-size-wrap { display: flex; align-items: center; gap: 6px; }
.page-size-wrap label { font-size: 12px; color: var(--c-text-sec); }
.page-size-wrap select { width: auto; }

/* ── Tabs ────────────────────────────────────────────────── */
.tab-bar {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--c-border);
  margin-bottom: 16px;
}
.tab-btn {
  padding: 9px 16px; background: none; border: none;
  font-size: 13px; font-weight: 500; color: var(--c-text-sec);
  cursor: pointer; position: relative; transition: color .15s;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
}
.tab-btn:hover { color: var(--c-text); }
.tab-btn.active { color: var(--c-accent); border-bottom-color: var(--c-accent); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.tab-desc { font-size: 13px; color: var(--c-text-sec); margin: 4px 0 16px; }

/* ── Split Preview ───────────────────────────────────────── */
.split-preview {
  background: #f8fafc; border: 1px solid var(--c-border);
  border-radius: 6px; padding: 10px 14px;
  font-size: 13px; margin: 12px 0;
  min-height: 40px;
}
.split-preview p { color: var(--c-text-sec); }
.split-file-list { display: flex; flex-wrap: wrap; gap: 6px; }
.split-file-chip {
  background: var(--c-accent-light); color: var(--c-accent);
  border: 1px solid #bfdbfe; border-radius: 4px;
  padding: 3px 8px; font-size: 12px; font-family: var(--font-mono);
}

/* ── Column Checkboxes ───────────────────────────────────── */
.col-select-toolbar { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.col-checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 6px; }
.col-checkbox-item { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border: 1px solid var(--c-border); border-radius: 5px; cursor: pointer; transition: background .1s; }
.col-checkbox-item:hover { background: var(--c-bg); }
.col-checkbox-item input { width: 14px; height: 14px; }
.col-checkbox-item span { font-size: 12px; font-family: var(--font-mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Validator Layout ────────────────────────────────────── */
.validator-layout { display: flex; gap: 16px; flex: 1; overflow: hidden; flex-direction: row; padding: 20px 24px; }
.val-rules-panel { width: 280px; flex-shrink: 0; display: flex; flex-direction: column; overflow: hidden; }
.val-rules-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.val-rules-head h3 { font-size: 14px; font-weight: 700; }
.rules-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; }
.val-rules-foot { padding-top: 10px; border-top: 1px solid var(--c-border); display: flex; gap: 6px; flex-wrap: wrap; }
.val-results-panel { flex: 1; display: flex; flex-direction: column; gap: 12px; overflow: hidden; }
.empty-msg { font-size: 13px; color: var(--c-muted); padding: 8px 0; }

/* Rule Item */
.rule-item {
  border: 1px solid var(--c-border); border-radius: 6px;
  padding: 8px 10px; background: var(--c-surface);
  display: flex; flex-direction: column; gap: 3px;
  position: relative;
}
.rule-item-head { display: flex; align-items: center; justify-content: space-between; }
.rule-col { font-weight: 700; font-size: 12px; font-family: var(--font-mono); color: var(--c-accent); }
.rule-type { font-size: 11px; color: var(--c-text-sec); }
.rule-sev { font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 10px; }
.rule-sev.error { background: var(--c-error-bg); color: var(--c-error); }
.rule-sev.warning { background: var(--c-warning-bg); color: var(--c-warning); }
.rule-del { background: none; border: none; cursor: pointer; color: var(--c-muted); font-size: 14px; padding: 0 2px; }
.rule-del:hover { color: var(--c-error); }

/* Validation Summary */
.val-summary { flex-shrink: 0; }
.summary-cards { display: flex; gap: 10px; margin-bottom: 10px; }
.sum-card {
  flex: 1; border-radius: 8px; padding: 12px 16px;
  text-align: center;
}
.sum-num { font-size: 26px; font-weight: 800; }
.sum-lbl { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; opacity: .8; }
.sum-ok { background: var(--c-success-bg); color: var(--c-success); }
.sum-err { background: var(--c-error-bg); color: var(--c-error); }
.sum-warn { background: var(--c-warning-bg); color: var(--c-warning); }
.sum-total { background: var(--c-info-bg); color: var(--c-info); }
.val-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Mapper Layout ───────────────────────────────────────── */
.mapper-layout { display: grid; grid-template-columns: 200px 1fr 200px; gap: 16px; }
.mapper-source, .mapper-target { display: flex; flex-direction: column; overflow: hidden; }
.mapper-source h3, .mapper-target h3, .mapper-center h3 { font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.mapper-center { display: flex; flex-direction: column; }
.source-list, .target-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.source-col-chip {
  padding: 5px 10px; border: 1px solid var(--c-border); border-radius: 4px;
  font-family: var(--font-mono); font-size: 11px;
  background: var(--c-bg); color: var(--c-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  cursor: default;
}
.target-field-chip {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 10px; border: 1px solid var(--c-border); border-radius: 4px;
  font-family: var(--font-mono); font-size: 11px;
  background: #eff6ff; color: var(--c-accent);
  border-color: #bfdbfe;
}
.target-field-chip .tf-del { background: none; border: none; cursor: pointer; color: var(--c-muted); margin-left: auto; font-size: 12px; }
.target-field-chip .tf-del:hover { color: var(--c-error); }

.mapping-rows { display: flex; flex-direction: column; gap: 6px; }
.mapping-row {
  display: grid; align-items: center; gap: 6px;
  padding: 7px 10px; border: 1px solid var(--c-border); border-radius: 6px;
  background: var(--c-surface);
}
.mapping-row.has-3 { grid-template-columns: 1fr auto 1fr auto auto; }
.mapping-row-arrow { color: var(--c-muted); font-size: 14px; text-align: center; }
.mapping-row select { font-size: 12px; padding: 4px 6px; }
.map-del-btn { background: none; border: none; cursor: pointer; color: var(--c-muted); font-size: 14px; }
.map-del-btn:hover { color: var(--c-error); }

.mapper-preview-section { margin-top: 16px; }
.mapper-preview-section h3 { font-size: 14px; font-weight: 700; margin-bottom: 8px; }

/* ── Catalog Layout ──────────────────────────────────────── */
.catalog-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.catalog-fields { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.catalog-field-row {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border: 1px solid var(--c-border); border-radius: 6px;
  background: var(--c-surface);
}
.catalog-field-row input { flex: 1; }
.catalog-field-row select { width: 100px; }
.cf-del { background: none; border: none; cursor: pointer; color: var(--c-muted); }
.cf-del:hover { color: var(--c-error); }

/* ── Export ──────────────────────────────────────────────── */
.export-grid { display: grid; grid-template-columns: 320px 280px 1fr; gap: 16px; }
.format-cards { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.format-card {
  display: flex; flex-direction: column; align-items: center;
  width: 80px; padding: 12px 8px; border: 2px solid var(--c-border);
  border-radius: 8px; cursor: pointer; transition: all .15s;
  background: var(--c-surface); text-align: center;
}
.format-card input { display: none; }
.format-card:has(input:checked) { border-color: var(--c-accent); background: var(--c-accent-light); }
.format-card:hover { border-color: var(--c-accent); }
.fmt-icon { font-size: 24px; margin-bottom: 4px; }
.fmt-name { font-size: 12px; font-weight: 700; }
.fmt-ext { font-size: 10px; color: var(--c-muted); font-family: var(--font-mono); }

.export-summary {
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: 6px; padding: 12px;
  font-size: 13px; line-height: 1.7;
}
.export-summary strong { color: var(--c-accent); }

/* ── Empty States ────────────────────────────────────────── */
.empty-state {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 12px;
  padding: 60px 20px; color: var(--c-muted);
  text-align: center;
}
.empty-state.small { padding: 30px 20px; }
.empty-state p { font-size: 14px; }

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(2px);
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--c-surface); border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  width: 500px; max-width: 95vw; max-height: 90vh;
  display: flex; flex-direction: column;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--c-border);
}
.modal-header h3 { font-size: 16px; font-weight: 700; }
.modal-close {
  background: none; border: none; cursor: pointer;
  font-size: 18px; color: var(--c-muted); padding: 0 4px;
  transition: color .15s;
}
.modal-close:hover { color: var(--c-text); }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 14px 20px; border-top: 1px solid var(--c-border);
  display: flex; justify-content: flex-end; gap: 8px;
}

/* ── Toast ───────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 20px; right: 20px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 2000;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-radius: 8px;
  font-size: 13px; font-weight: 500;
  box-shadow: var(--shadow-md);
  min-width: 260px; max-width: 400px;
  animation: slideIn .25s ease;
}
.toast-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.toast-error   { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; }
.toast-warning { background: #fef3c7; color: #b45309; border: 1px solid #fde68a; }
.toast-info    { background: #dbeafe; color: #1d4ed8; border: 1px solid #bfdbfe; }
.toast-close { background: none; border: none; cursor: pointer; margin-left: auto; opacity: .6; font-size: 14px; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOut { to { opacity: 0; transform: scale(.9); } }

/* ── Validator rule form (in modal) ──────────────────────── */
.rule-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rule-form-full { grid-column: 1 / -1; }
.rule-param-row { display: flex; flex-direction: column; gap: 5px; margin-top: 10px; }
.rule-param-row label { font-size: 12px; font-weight: 600; color: var(--c-text-sec); }

/* ── Util ────────────────────────────────────────────────── */
.hidden { display: none !important; }
.muted-text { color: var(--c-muted); font-size: 12px; }
.text-success { color: var(--c-success); }
.text-error   { color: var(--c-error); }
.text-warning { color: var(--c-warning); }
.badge {
  display: inline-block; padding: 2px 7px;
  border-radius: 10px; font-size: 11px; font-weight: 700;
}
.badge-success { background: var(--c-success-bg); color: var(--c-success); }
.badge-error   { background: var(--c-error-bg); color: var(--c-error); }
.badge-warning { background: var(--c-warning-bg); color: var(--c-warning); }
.badge-info    { background: var(--c-info-bg); color: var(--c-info); }

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ── Progress bar ────────────────────────────────────────── */
.progress-wrap { height: 4px; background: var(--c-border); border-radius: 2px; overflow: hidden; margin: 8px 0; }
.progress-bar { height: 100%; background: var(--c-accent); transition: width .3s; border-radius: 2px; }

/* ── Stats Panel (column stats popup) ───────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; max-height: 60vh; overflow-y: auto; }
.stat-col-card { border: 1px solid var(--c-border); border-radius: 6px; padding: 10px 12px; }
.stat-col-name { font-family: var(--font-mono); font-size: 12px; font-weight: 700; color: var(--c-accent); margin-bottom: 6px; word-break: break-all; }
.stat-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--c-text-sec); padding: 2px 0; }
.stat-row span:last-child { font-weight: 600; color: var(--c-text); font-family: var(--font-mono); }

/* ── Col Manager ─────────────────────────────────────────── */
.col-manager-list { display: flex; flex-direction: column; gap: 6px; max-height: 60vh; overflow-y: auto; }
.col-manager-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px; border: 1px solid var(--c-border); border-radius: 5px;
  cursor: pointer; transition: background .1s;
}
.col-manager-item:hover { background: var(--c-bg); }
.col-manager-item input { width: 14px; height: 14px; }
.col-manager-item span { font-family: var(--font-mono); font-size: 12px; }