:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #1d4ed8;
  --primary-soft: #eff6ff;
  --success: #15803d;
  --success-soft: #f0fdf4;
  --warning: #b45309;
  --warning-soft: #fffbeb;
  --danger: #b91c1c;
  --danger-soft: #fef2f2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
}

/* ------------------------------------------------------------- topbar --- */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
  color: #fff; font-weight: 700; letter-spacing: .5px;
  display: grid; place-items: center;
}
.brand-title { font-weight: 650; }
.brand-subtitle { color: var(--muted); font-size: 12px; }

.tabs { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.tabs a {
  padding: 7px 12px; border-radius: 8px; text-decoration: none;
  color: var(--muted); font-weight: 550; white-space: nowrap;
}
.tabs a:hover { background: var(--surface-2); color: var(--text); }
.tabs a.active { background: var(--primary-soft); color: var(--primary); }

.identity { text-align: right; font-size: 12px; color: var(--muted); }
.identity strong { display: block; color: var(--text); font-size: 13px; }

.badge {
  display: inline-block; min-width: 18px; padding: 0 5px;
  background: var(--danger); color: #fff; border-radius: 9px;
  font-size: 11px; text-align: center;
}

/* --------------------------------------------------------------- view --- */
.view { padding: 18px 20px 60px; max-width: 1560px; margin: 0 auto; }
.loading { color: var(--muted); padding: 40px; text-align: center; }

.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; margin-bottom: 14px; flex-wrap: wrap;
}
.page-head h1 { font-size: 19px; margin: 0 0 2px; }
.page-head p { margin: 0; color: var(--muted); font-size: 13px; }

/* --------------------------------------------------------------- cards -- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 16px; }
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 11px 13px;
}
.stat .value { font-size: 22px; font-weight: 650; }
.stat .label { color: var(--muted); font-size: 12px; }
.stat.alert .value { color: var(--danger); }
.stat.warn .value { color: var(--warning); }

.panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
}
.panel + .panel { margin-top: 16px; }
.panel-head {
  padding: 11px 14px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
}
.panel-head h2 { margin: 0; font-size: 14px; }

/* -------------------------------------------------------------- filters - */
.filters { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 14px; background: var(--surface-2); border-bottom: 1px solid var(--border); }
.filters label { display: flex; flex-direction: column; gap: 3px; font-size: 11px; color: var(--muted); }
input, select, textarea {
  font: inherit; padding: 6px 9px; border: 1px solid var(--border);
  border-radius: 7px; background: #fff; color: var(--text); min-width: 130px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }
textarea { min-height: 70px; resize: vertical; width: 100%; }

/* -------------------------------------------------------------- buttons - */
button {
  font: inherit; padding: 6px 12px; border-radius: 7px; border: 1px solid var(--border);
  background: #fff; color: var(--text); cursor: pointer; font-weight: 550;
}
button:hover:not(:disabled) { background: var(--surface-2); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover:not(:disabled) { background: #1e40af; }
button.success { background: var(--success); border-color: var(--success); color: #fff; }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.ghost { border-color: transparent; background: transparent; color: var(--primary); }
button.small { padding: 3px 8px; font-size: 12px; }
.button-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* --------------------------------------------------------------- table -- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: var(--surface-2); white-space: nowrap; }
tbody tr:hover { background: var(--primary-soft); }
tbody tr.clickable { cursor: pointer; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.empty { padding: 32px; text-align: center; color: var(--muted); }

.mono { font-family: "Cascadia Mono", Consolas, monospace; font-size: 12px; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.small { font-size: 12px; }

/* ---------------------------------------------------------------- pills - */
.pill {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600; border: 1px solid transparent; white-space: nowrap;
}
.pill.active { background: var(--success-soft); color: var(--success); border-color: #bbf7d0; }
.pill.left { background: var(--surface-2); color: var(--muted); border-color: var(--border); }
.pill.removed, .pill.banned { background: var(--danger-soft); color: var(--danger); border-color: #fecaca; }
.pill.new { background: var(--primary-soft); color: var(--primary); border-color: #bfdbfe; }
.pill.hidden { background: #f5f3ff; color: #6d28d9; border-color: #ddd6fe; }
.pill.pending { background: var(--warning-soft); color: var(--warning); border-color: #fde68a; }
.pill.approved { background: var(--success-soft); color: var(--success); border-color: #bbf7d0; }
.pill.rejected, .pill.mismatch, .pill.error { background: var(--danger-soft); color: var(--danger); border-color: #fecaca; }
.pill.cancelled, .pill.skipped_stale { background: var(--warning-soft); color: var(--warning); border-color: #fde68a; }
.pill.matched { background: var(--success-soft); color: var(--success); border-color: #bbf7d0; }
.pill.tag { background: #ecfeff; color: #0e7490; border-color: #a5f3fc; font-family: "Cascadia Mono", Consolas, monospace; }
.pill.empty-tag { background: var(--surface-2); color: var(--muted); border-color: var(--border); }

/* -------------------------------------------------------------- drawer -- */
.drawer { position: fixed; inset: 0; z-index: 40; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(15, 23, 42, .35); }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(660px, 100%);
  background: var(--surface); box-shadow: -8px 0 30px rgba(15, 23, 42, .16);
  overflow-y: auto; padding: 18px 20px 40px;
}
.drawer-panel h2 { margin: 0 0 2px; font-size: 17px; }
.drawer-section { margin-top: 20px; }
.drawer-section h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 0 0 8px; }
.close-x { position: absolute; top: 14px; right: 16px; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; }
.form-grid label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); }
.form-grid input, .form-grid select { width: 100%; }
.field-full { grid-column: 1 / -1; }
.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text); }
.checkbox-row input { min-width: auto; }

.kv { display: grid; grid-template-columns: 160px 1fr; gap: 4px 12px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.note {
  background: var(--warning-soft); border: 1px solid #fde68a; color: #92400e;
  padding: 9px 12px; border-radius: 8px; font-size: 12.5px; margin-top: 10px;
}
.note.info { background: var(--primary-soft); border-color: #bfdbfe; color: #1e40af; }

/* -------------------------------------------------------------- toasts -- */
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast {
  background: var(--text); color: #fff; padding: 9px 14px; border-radius: 8px;
  box-shadow: var(--shadow); font-size: 13px; max-width: 420px;
}
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

.pagination { display: flex; gap: 8px; align-items: center; justify-content: flex-end; padding: 10px 14px; }

@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; gap: 10px; }
  .identity { order: 2; }
  .kv { grid-template-columns: 1fr; }
}