/* ============================================================
   Kingsway Medical Diagnostics — Design System (Spec §18)
   Calm navy-and-paper base, azure accent, semantic status colors.
   ============================================================ */

:root {
  --color-navy-900: #101B33;
  --color-navy-700: #1B2A4A;
  --color-navy-500: #3A4A6B;
  --color-azure-500: #2F6FED;
  --color-azure-100: #E8F0FE;
  --color-paper-50: #F7F8FA;
  --color-paper-0: #FFFFFF;
  --color-ink-900: #1F2430;
  --color-ink-500: #6B7280;
  --color-border: #E2E5EA;

  --status-pending: #E8A93B;
  --status-sample: #8B7FD6;
  --status-progress: #3B82C4;
  --status-partial: #4FA9A0;
  --status-completed: #2E9E6C;
  --status-cancelled: #D64545;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;

  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;

  --sidebar-w: 240px;
  --topbar-h: 64px;

  --shadow-modal: 0 8px 24px rgba(16, 27, 51, 0.16);
  --shadow-toast: 0 4px 16px rgba(16, 27, 51, 0.14);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-ink-900);
  background: var(--color-paper-50);
}

a { color: var(--color-navy-700); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.2; margin: 0; font-weight: 600; }
h1 { font-size: 28px; font-weight: 700; }
h2 { font-size: 22px; }
h3 { font-size: 18px; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--color-ink-500); }
.small { font-size: 12px; }
.caption { font-size: 12px; color: var(--color-ink-500); }

/* ============ Layout ============ */

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--color-navy-900);
  color: #fff;
  display: flex;
  flex-direction: column;
  z-index: 40;
  transition: width 200ms ease-out;
}
.sidebar.collapsed { width: 64px; }
.sidebar.collapsed .nav-label,
.sidebar.collapsed .brand-name,
.sidebar.collapsed .sidebar-footer-text { display: none; }

.sidebar-brand {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.brand-name { font-family: var(--font-serif); font-size: 17px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; flex: 1; }
.brand-mark {
  width: 30px; height: 30px; flex: 0 0 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-azure-500), #1B4EB0);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--font-serif); font-weight: 700; font-size: 15px;
}

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 8px; }
.nav-group-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.4); padding: 12px 12px 4px;
}
.sidebar.collapsed .nav-group-label { display: none; }

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 12px;
  margin: 2px 0;
  border-radius: var(--radius);
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  font-size: 14px;
  border-left: 3px solid transparent;
  white-space: nowrap;
}
.nav-item:hover { background: rgba(255,255,255,0.06); text-decoration: none; color: #fff; }
.nav-item.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-left-color: var(--color-azure-500);
}
.nav-item .nav-icon { width: 20px; height: 20px; flex: 0 0 20px; opacity: 0.9; }
.nav-item svg { width: 20px; height: 20px; }

.sidebar-footer { padding: 12px; border-top: 1px solid rgba(255,255,255,0.08); }
.sidebar-footer .nav-item { color: rgba(255,255,255,0.55); }

.main-area {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: margin-left 200ms ease-out;
}
.sidebar.collapsed + .main-area { margin-left: 64px; }

.topbar {
  position: sticky; top: 0; z-index: 30;
  height: var(--topbar-h);
  background: var(--color-paper-0);
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; gap: 16px;
  padding: 0 24px;
}
.topbar-title { font-size: 16px; font-weight: 600; }
.topbar-spacer { flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.branch-switch { display: flex; align-items: center; gap: 8px; }
.branch-switch .input-sm { width: auto; min-width: 150px; max-width: 240px; height: 34px; padding: 0 10px; }
.branch-prefix { display: inline-block; white-space: nowrap; }
@media (max-width: 720px) {
  .branch-switch .branch-prefix { display: none; }
}

.page {
  padding: 24px;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

.page-head {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 20px;
}
.page-head .page-title { font-size: 22px; font-weight: 600; }
.page-head .page-actions { margin-left: auto; display: flex; gap: 8px; }

/* ============ Buttons ============ */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-ui);
  font-size: 14px; font-weight: 500;
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 120ms ease-out, transform 80ms ease-out, border-color 120ms ease-out;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
}
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--color-azure-500); outline-offset: 2px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary { background: var(--color-navy-700); color: #fff; }
.btn-primary:hover { background: var(--color-navy-900); color: #fff; text-decoration: none; }

.btn-accent { background: var(--color-azure-500); color: #fff; }
.btn-accent:hover { background: #245CC9; color: #fff; text-decoration: none; }

.btn-secondary {
  background: var(--color-paper-0);
  color: var(--color-navy-700);
  border: 1.5px solid var(--color-navy-700);
}
.btn-secondary:hover { background: var(--color-paper-50); text-decoration: none; }

.btn-ghost {
  background: transparent; color: var(--color-ink-500);
  border: 1.5px solid var(--color-border);
}
.btn-ghost:hover { background: var(--color-paper-50); color: var(--color-ink-900); border-color: var(--color-navy-500); text-decoration: none; }

.btn-icon {
  width: 38px; height: 38px; padding: 0;
  justify-content: center;
  border-radius: var(--radius);
}
.btn-icon svg { width: 20px; height: 20px; }

.btn-danger { background: var(--status-cancelled); color: #fff; }
.btn-danger:hover { background: #B83A3A; color: #fff; text-decoration: none; }

.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-block { width: 100%; }

/* ============ Forms ============ */

.field { margin-bottom: 16px; }
.field label {
  display: block; font-size: 13px; font-weight: 500;
  margin-bottom: 6px; color: var(--color-ink-900);
}
.field .hint { font-size: 12px; color: var(--color-ink-500); margin-top: 4px; }

.input, .select, textarea.input {
  width: 100%;
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--color-ink-900);
  padding: 10px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-paper-0);
  transition: border-color 120ms ease-out, box-shadow 120ms ease-out;
}
.input:focus, .select:focus, textarea.input:focus {
  outline: none;
  border-color: var(--color-navy-700);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-azure-500) 16%, transparent);
}
.input.mono, .select.mono { font-family: var(--font-mono); font-size: 13px; }
textarea.input { resize: vertical; min-height: 84px; }

select.input, .select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.input-group {
  display: flex;
  align-items: stretch;
  width: 100%;
  max-width: 560px;
  background: var(--color-paper-0);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 120ms ease-out, box-shadow 120ms ease-out;
}
.input-group:focus-within {
  border-color: var(--color-navy-700);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-azure-500) 15%, transparent);
}
.input-group .input, .input-group .select {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  height: 42px;
  padding: 0 12px;
  font-size: 14px;
}
.input-group .input:focus, .input-group .select:focus { box-shadow: none; border-color: transparent; }
.input-group select.input { background-image: none; padding-right: 12px; }
.input-group .btn {
  height: 42px;
  border-radius: 0;
  padding: 0 18px;
  border-left: 1.5px solid var(--color-border);
}
.input-group .btn:first-child { border-left: none; }
.input-group .btn-ghost {
  border-top-color: transparent;
  border-bottom-color: transparent;
  border-right-color: transparent;
}
.input-group .btn-primary { border-left-color: transparent; }

.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; cursor: pointer; }
.checkbox-row input { width: 18px; height: 18px; accent-color: var(--color-navy-700); }

.form-card { background: var(--color-paper-0); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 24px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.form-grid .field { margin-bottom: 0; }
.form-actions { display: flex; gap: 8px; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--color-border); }

/* Counted-cash submit (day close) */
.readonly-money {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-paper-50);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink-900);
}
.variance-hint { color: var(--status-completed); font-weight: 600; }
.variance-hint.short { color: var(--status-cancelled); }
.variance-hint.long { color: var(--status-pending); }

/* ============ Cards ============ */

.card {
  background: var(--color-paper-0);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.card-pad { padding: 20px; }
.card-head {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
}
.card-head .card-title { font-size: 16px; font-weight: 600; }
.card-head .card-actions { margin-left: auto; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--color-paper-0);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
}
.stat-card .stat-label { font-size: 12px; color: var(--color-ink-500); font-weight: 500; }
.stat-card .stat-value { font-family: var(--font-mono); font-size: 26px; font-weight: 600; margin-top: 4px; color: var(--color-navy-900); }
.stat-card .stat-value-sm { font-family: var(--font-body); font-size: 14px; line-height: 1.35; word-break: break-word; }
.stat-card .stat-sub { font-size: 12px; color: var(--color-ink-500); margin-top: 2px; }

.dash-heading {
  display: flex; align-items: center; gap: 12px;
  margin: 28px 0 14px;
}
.dash-heading h2 { font-size: 15px; font-weight: 600; color: var(--color-ink-900); }
.dash-heading .dash-heading-line { flex: 1; height: 1px; background: var(--color-border); }

.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.quick-tile {
  position: relative;
  display: flex; align-items: flex-start; gap: 14px;
  padding: 18px;
  background: var(--color-paper-0);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-navy-700);
  transition: transform 140ms ease-out, box-shadow 140ms ease-out, border-color 140ms ease-out, background 140ms ease-out;
}
.quick-tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(16, 27, 51, 0.08);
  background: var(--color-paper-0);
  text-decoration: none;
}
.quick-tile .qt-icon {
  width: 42px; height: 42px; flex: none;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.quick-tile .qt-icon svg { width: 22px; height: 22px; }
.quick-tile .qt-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; padding-top: 2px; }
.quick-tile .qt-label { font-size: 14px; font-weight: 600; color: var(--color-ink-900); }
.quick-tile .qt-sub { font-size: 12px; color: var(--color-ink-500); line-height: 1.45; }
.quick-tile .qt-arrow {
  margin-left: auto; align-self: center;
  color: var(--color-ink-500);
  font-size: 15px;
  opacity: 0; transform: translateX(-4px);
  transition: opacity 140ms ease-out, transform 140ms ease-out;
}
.quick-tile:hover .qt-arrow { opacity: 1; transform: translateX(0); }

/* per-tile accent tones (status palette keeps the navy-and-paper language) */
.quick-tile.qt-blue .qt-icon { background: var(--color-azure-100); color: var(--color-azure-500); }
.quick-tile.qt-blue:hover { border-color: var(--color-azure-500); }
.quick-tile.qt-sky .qt-icon { background: color-mix(in srgb, var(--status-progress) 12%, transparent); color: var(--status-progress); }
.quick-tile.qt-sky:hover { border-color: var(--status-progress); }
.quick-tile.qt-green .qt-icon { background: color-mix(in srgb, var(--status-completed) 12%, transparent); color: var(--status-completed); }
.quick-tile.qt-green:hover { border-color: var(--status-completed); }
.quick-tile.qt-teal .qt-icon { background: color-mix(in srgb, var(--status-partial) 12%, transparent); color: var(--status-partial); }
.quick-tile.qt-teal:hover { border-color: var(--status-partial); }
.quick-tile.qt-amber .qt-icon { background: color-mix(in srgb, var(--status-pending) 12%, transparent); color: #C07E0E; }
.quick-tile.qt-amber:hover { border-color: var(--status-pending); }
.quick-tile.qt-purple .qt-icon { background: color-mix(in srgb, var(--status-sample) 12%, transparent); color: var(--status-sample); }
.quick-tile.qt-purple:hover { border-color: var(--status-sample); }
.quick-tile.qt-navy .qt-icon { background: color-mix(in srgb, var(--color-navy-500) 12%, transparent); color: var(--color-navy-500); }
.quick-tile.qt-navy:hover { border-color: var(--color-navy-700); }
.quick-tile.qt-red .qt-icon { background: color-mix(in srgb, var(--status-cancelled) 12%, transparent); color: var(--status-cancelled); }
.quick-tile.qt-red:hover { border-color: var(--status-cancelled); }

/* ============ Tables ============ */

.table-wrap { overflow-x: auto; background: var(--color-paper-0); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
table.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table thead th {
  position: sticky; top: 0;
  background: var(--color-paper-50);
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--color-ink-500);
  text-align: left;
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr { transition: background 100ms ease-out; }
.table tbody tr:hover { background: var(--color-paper-50); }
.table .num, .table td.num { font-family: var(--font-mono); font-size: 13px; text-align: right; }
.table .th-num { text-align: right; }
.table .row-actions { display: flex; gap: 4px; justify-content: flex-end; }
.table tfoot td { border-top: 1px solid var(--color-border); font-weight: 600; }
.table tr.row-total td { border-top: 1px solid var(--color-border); background: var(--color-paper-50); font-weight: 600; }

/* ============ Status pills ============ */

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px; font-weight: 500;
  white-space: nowrap;
}
.pill::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.pill-pending { color: var(--status-pending); background: color-mix(in srgb, var(--status-pending) 12%, transparent); }
.pill-sample { color: var(--status-sample); background: color-mix(in srgb, var(--status-sample) 12%, transparent); }
.pill-progress { color: var(--status-progress); background: color-mix(in srgb, var(--status-progress) 12%, transparent); }
.pill-partial { color: var(--status-partial); background: color-mix(in srgb, var(--status-partial) 12%, transparent); }
.pill-completed { color: var(--status-completed); background: color-mix(in srgb, var(--status-completed) 12%, transparent); }
.pill-cancelled { color: var(--status-cancelled); background: color-mix(in srgb, var(--status-cancelled) 12%, transparent); }
.pill-neutral { color: var(--color-navy-700); background: rgba(27,42,74,0.08); }

@supports not (color: color-mix(in srgb, red, transparent)) {
  .pill-pending { background: #FCF3E3; }
  .pill-sample { background: #F0EDF9; }
  .pill-progress { background: #E8F1F9; }
  .pill-partial { background: #EBF4F3; }
  .pill-completed { background: #EAF5F0; }
  .pill-cancelled { background: #FBECEC; }
  .pill-neutral { background: #EBEEF4; }
}

.pill-sm { padding: 2px 8px; font-size: 11px; }
.pill-sm::before { width: 5px; height: 5px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: var(--radius-sm); font-size: 11px; font-weight: 500; background: var(--color-paper-50); border: 1px solid var(--color-border); color: var(--color-ink-500); }

/* ============ Tabs ============ */

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--color-border); margin-bottom: 20px; overflow-x: auto; }
.tab {
  padding: 10px 16px;
  font-size: 14px; font-weight: 500;
  color: var(--color-ink-500);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  background: none; border-top: none; border-left: none; border-right: none;
  font-family: var(--font-ui);
}
.tab:hover { color: var(--color-ink-900); }
.tab.active { color: var(--color-navy-700); border-bottom-color: var(--color-azure-500); font-weight: 600; }

/* ============ Filter bar / chips ============ */

.filter-bar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--color-paper-0);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 2px rgba(16, 27, 51, 0.03);
}
.filter-bar .field { margin: 0; }
.filter-bar .field > span {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-500);
  margin-bottom: 6px;
}
.filter-bar .input, .filter-bar .select {
  width: auto;
  height: 38px;
  padding-top: 0;
  padding-bottom: 0;
}
.filter-bar .chip-row { margin: 0; align-items: flex-end; }
.filter-bar .btn { height: 38px; }

/* Inline table filter toolbar (status dropdown + search) */
.filter-bar.table-filter {
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 16px;
  padding: 14px 16px;
}
.table-filter .field-grow { flex: 1; min-width: 260px; }
.table-filter .field { margin: 0; }
.table-filter .field > span {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-500);
  margin-bottom: 6px;
}
.table-filter .select {
  min-width: 200px;
}
.table-filter-search {
  display: flex;
  gap: 8px;
  align-items: center;
}
.table-filter-search .input { flex: 1; }
.table-filter-search .btn { white-space: nowrap; }

.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: var(--color-paper-0);
  font-size: 13px; font-weight: 500;
  color: var(--color-ink-500);
  cursor: pointer;
  font-family: var(--font-ui);
  transition: all 140ms ease-out;
  text-decoration: none;
}
.chip:hover { border-color: var(--color-navy-500); color: var(--color-ink-900); background: var(--color-paper-50); text-decoration: none; }
.chip.active {
  background: var(--color-navy-700);
  border-color: var(--color-navy-700);
  color: #fff;
  box-shadow: 0 2px 6px rgba(27, 42, 74, 0.28);
}

/* ============ Pagination ============ */

.pagination { display: flex; align-items: center; gap: 8px; justify-content: flex-end; padding: 14px 16px; }
.pagination .page-info { font-size: 13px; color: var(--color-ink-500); margin-right: auto; }
.pagination a, .pagination .page-dot {
  min-width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-paper-0);
  font-size: 13px; color: var(--color-navy-700);
}
.pagination a:hover { border-color: var(--color-navy-700); text-decoration: none; }
.pagination .page-dot { border-color: transparent; background: transparent; }
.pagination .current { background: var(--color-navy-700); color: #fff; border-color: var(--color-navy-700); }

/* ============ Pager ============ */

.pager {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 14px 16px; border-top: 1px solid var(--color-border);
}
.pager-info { font-size: 13px; color: var(--color-ink-500); }
.pager-info strong { font-weight: 600; color: var(--color-ink-900); }
.pager-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.pager-per { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--color-ink-500); }
.pager-per select { width: auto; }
.pager-btns { display: flex; align-items: center; gap: 4px; }
.pager-btns .page-btn {
  min-width: 34px; height: 34px; padding: 0 10px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-paper-0);
  font-size: 13px; font-weight: 500; color: var(--color-navy-700);
  cursor: pointer; user-select: none; transition: all .15s ease;
}
.pager-btns a.page-btn:hover { border-color: var(--color-navy-700); text-decoration: none; }
.pager-btns .page-btn.is-current { background: var(--color-navy-700); color: #fff; border-color: var(--color-navy-700); box-shadow: 0 1px 4px rgba(27,42,74,0.25); }
.pager-btns .page-btn.is-disabled { opacity: .45; cursor: not-allowed; pointer-events: none; }
.pager-btns .page-ellipsis { min-width: 24px; text-align: center; color: var(--color-ink-500); font-size: 13px; }

/* ============ Modal / sheet ============ */

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(16,27,51,0.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 60;
}
.modal-backdrop.right { justify-content: flex-end; align-items: stretch; }
.modal {
  background: var(--color-paper-0);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 480px;
  margin: 16px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
}
.modal-head { display: flex; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--color-border); }
.modal-head h3 { font-size: 16px; }
.modal-head .btn-close { margin-left: auto; }
.modal-body { padding: 20px; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--color-border); display: flex; gap: 8px; justify-content: flex-end; }
.sheet { max-width: 560px; border-radius: 0; height: 100%; margin: 0; max-height: 100vh; }

.hidden { display: none !important; }

/* ============ Toasts ============ */

.toast-stack { position: fixed; bottom: 16px; right: 16px; z-index: 80; display: flex; flex-direction: column; gap: 8px; }
.toast {
  min-width: 280px;
  padding: 12px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-toast);
  background: var(--color-paper-0);
  display: flex; align-items: center; gap: 10px;
  font-size: 14px;
  animation: toast-in 200ms ease-out;
  border-left: 3px solid var(--color-navy-500);
}
.toast.success { border-left-color: var(--status-completed); }
.toast.error { border-left-color: var(--status-cancelled); }
.toast.info { border-left-color: var(--color-azure-500); }
.toast .t-dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 8px; }
.toast.success .t-dot { background: var(--status-completed); }
.toast.error .t-dot { background: var(--status-cancelled); }
.toast.info .t-dot { background: var(--color-azure-500); }
@keyframes toast-in { from { transform: translateX(20px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ============ Login page ============ */

.login-stage {
  min-height: 100vh;
  background: var(--color-navy-900);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.login-stage::before {
  content: '';
  position: absolute;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47,111,237,0.10), transparent 65%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.login-card {
  position: relative;
  width: 400px;
  max-width: 100%;
  background: var(--color-paper-0);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-modal);
}
.login-logo { text-align: center; margin-bottom: 20px; }
.login-logo .brand-mark { width: 48px; height: 48px; flex: none; margin: 0 auto 10px; font-size: 22px; border-radius: 12px; }
.login-logo .company-name { font-family: var(--font-serif); font-size: 22px; font-weight: 600; color: var(--color-navy-900); }
.login-logo .company-sub { font-size: 12px; color: var(--color-ink-500); margin-top: 2px; }
.login-alert {
  padding: 10px 12px; border-radius: var(--radius); font-size: 13px; margin-bottom: 16px;
}
.login-alert.error { background: #FBECEC; color: #B83A3A; }
.login-alert.info { background: var(--color-azure-100); color: var(--color-navy-700); }
.login-alert.success { background: #EAF5F0; color: #1F7A4D; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}
.shake { animation: shake 300ms ease-in-out; }

/* ============ Misc ============ */

.search-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.search-row .input-group { margin: 0; }
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-ink-500);
}
.empty-state .es-icon { font-size: 40px; margin-bottom: 8px; opacity: 0.5; }
.empty-state h3 { color: var(--color-ink-900); margin-bottom: 4px; font-size: 16px; }

.divider { border: none; border-top: 1px solid var(--color-border); margin: 16px 0; }

.alert {
  padding: 12px 16px; border-radius: var(--radius);
  margin-bottom: 16px; font-size: 14px;
  display: flex; gap: 8px; align-items: flex-start;
}
.alert.error { background: #FBECEC; color: #B83A3A; }
.alert.info { background: var(--color-azure-100); color: var(--color-navy-700); }
.alert.success { background: #EAF5F0; color: #1F7A4D; }
.alert.warning { background: #FCF3E3; color: #96660F; }

.kv { display: grid; grid-template-columns: 160px 1fr; gap: 6px 16px; font-size: 14px; }
.kv dt { color: var(--color-ink-500); }
.kv dd { margin: 0; font-weight: 500; }
.kv dd.mono { font-family: var(--font-mono); font-weight: 400; }

.tag { display: inline-block; padding: 2px 10px; border-radius: var(--radius-sm); font-size: 12px; font-weight: 500; }
.tag-amber { background: #FCF3E3; color: #96660F; }
.tag-red { background: #FBECEC; color: #B83A3A; }

.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-navy-700);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 15px;
  flex: 0 0 40px;
}

.summary-strip {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px; margin-bottom: 20px;
}

.hr { border: none; border-top: 1px solid var(--color-border); margin: 20px 0; }

.breadcrumbs { font-size: 13px; color: var(--color-ink-500); margin-bottom: 8px; }
.breadcrumbs a { color: var(--color-navy-700); }

/* Priority left-edge stripe (worklist) */
.priority-stripe { border-left: 3px solid transparent; }
.priority-stripe.p-STAT { border-left-color: var(--status-cancelled); }
.priority-stripe.p-Urgent { border-left-color: var(--status-pending); }

/* Two-pane order builder */
.order-builder { display: grid; grid-template-columns: 1fr 360px; gap: 16px; align-items: start; }
.order-builder .builder-left { display: flex; flex-direction: column; gap: 16px; }

.checkable {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  margin-bottom: 8px;
  transition: border-color 120ms ease-out, background 120ms ease-out;
}
.checkable:hover { border-color: var(--color-navy-500); }
.checkable.checked { border-color: var(--color-azure-500); background: var(--color-azure-100); }
.checkable input { accent-color: var(--color-azure-500); width: 16px; height: 16px; }
.checkable .test-price { margin-left: auto; font-family: var(--font-mono); font-size: 13px; }
.checkable .test-dept { font-size: 11px; color: var(--color-ink-500); }

.order-summary { position: sticky; top: 80px; }
.order-summary .os-item { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--color-border); font-size: 13px; }
.order-summary .os-item .os-dept { font-size: 11px; color: var(--color-ink-500); }
.order-summary .os-item .os-price { margin-left: auto; font-family: var(--font-mono); }
.order-summary .os-total { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; font-weight: 600; font-size: 16px; }
.order-summary .os-total .os-amount { font-family: var(--font-mono); }

.notif-item { display: flex; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--color-border); align-items: flex-start; }
.notif-item.unread { background: var(--color-azure-100); }
.notif-item .ni-body { flex: 1; }
.notif-item .ni-title { font-weight: 600; font-size: 14px; }
.notif-item .ni-msg { font-size: 13px; color: var(--color-ink-500); margin-top: 2px; }
.notif-item .ni-meta { font-size: 12px; color: var(--color-ink-500); margin-top: 4px; }

.avatar-stack { display: flex; align-items: center; gap: 10px; }
.avatar-stack .avatar { width: 32px; height: 32px; flex-basis: 32px; font-size: 13px; }
.avatar-stack .avatar svg { width: 16px; height: 16px; }
.avatar-stack .as-name { font-weight: 500; }
.avatar-stack .as-sub { font-size: 12px; color: var(--color-ink-500); }

.log-table { font-size: 13px; }
.log-table .log-action { font-weight: 600; font-family: var(--font-mono); font-size: 12px; }

.user-menu { position: relative; }
.user-menu .um-trigger { display: flex; align-items: center; gap: 8px; cursor: pointer; border: none; background: none; padding: 6px; border-radius: var(--radius); font-family: var(--font-ui); font-size: 14px; color: var(--color-ink-900); }
.user-menu .um-trigger:hover { background: var(--color-paper-50); }
.user-menu .um-drop {
  position: absolute; right: 0; top: calc(100% + 6px);
  min-width: 200px;
  background: var(--color-paper-0);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  padding: 6px;
  z-index: 50;
}
.user-menu .um-item { display: block; padding: 9px 12px; border-radius: var(--radius-sm); color: var(--color-ink-900); font-size: 14px; }
.user-menu .um-item:hover { background: var(--color-paper-50); text-decoration: none; }
.user-menu .um-item.danger { color: var(--status-cancelled); }

.bell { position: relative; }
.bell .bell-dot {
  position: absolute; top: 0; right: 0;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--status-cancelled);
  border: 2px solid var(--color-paper-0);
}

.brand-accent {
  color: var(--color-azure-500);
}

.permission-grid { width: 100%; border-collapse: collapse; }
.permission-grid th, .permission-grid td { border: 1px solid var(--color-border); padding: 8px 10px; font-size: 13px; text-align: center; }
.permission-grid th:first-child, .permission-grid td:first-child { text-align: left; font-weight: 500; }
.permission-grid input { width: 16px; height: 16px; accent-color: var(--color-navy-700); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

@media (max-width: 1024px) {
  .sidebar { width: 64px; }
  .sidebar .nav-label, .sidebar .brand-name, .sidebar .sidebar-footer-text { display: none; }
  .sidebar .nav-group-label { display: none; }
  .main-area { margin-left: 64px; }
  .order-builder { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .page { padding: 16px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

/* ============ Page headers & grid variants ============ */
.page-title-h1 { font-size: 22px; font-weight: 700; color: var(--color-navy-900); margin: 0; }
.head-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.stat-grid-4 { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
.stat-grid-5 { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.accent-strong { color: var(--color-navy-700); }
.variance-neg { color: var(--status-cancelled); }
.table-link { color: var(--color-navy-700); font-weight: 600; }
.table-link:hover { text-decoration: underline; }
.input-sm { padding: 0 10px; font-size: 13px; height: 34px; }
.input-sm.select, select.input-sm { background-position: right 10px center; padding-right: 30px; }
.field-wide { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; }
.row-form { display: flex; gap: 6px; align-items: center; }
.row-form .input-sm { max-width: 170px; }

/* ============ Result entry ============ */
.result-entry { margin-top: 4px; }
.result-entry summary { cursor: pointer; list-style: none; }
.result-entry summary::-webkit-details-marker { display: none; }
.result-form { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; padding: 12px; background: var(--color-paper-50); border: 1px solid var(--color-border); border-radius: var(--radius); min-width: 260px; }
.result-value { font-family: var(--font-mono); font-size: 13px; color: var(--color-navy-900); }

/* ============ Test catalog (new lab order) ============ */
.dept-pane { margin-bottom: 4px; }
.test-cat { margin-bottom: 18px; }
.test-cat-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.test-list { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.test-list .checkable { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-bottom: 1px solid var(--color-border); cursor: pointer; }
.test-list .checkable:last-child { border-bottom: none; }
.test-list .checkable:hover { background: var(--color-paper-50); }
.test-name { flex: 1; font-size: 14px; }
.test-price { font-size: 13px; font-weight: 600; color: var(--color-navy-700); }

/* ============ Order summary ============ */
.os-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.os-item { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center; padding: 8px 10px; background: var(--color-paper-50); border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 13px; }
.os-dept { color: var(--color-ink-500); font-size: 12px; }
.os-price { font-family: var(--font-mono); font-weight: 600; }

/* ============ Sale builder ============ */
.sale-builder { margin: 16px 0; padding: 14px; background: var(--color-paper-50); border: 1px solid var(--color-border); border-radius: var(--radius); }
.sale-picker { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.sale-picker .input:first-child { flex: 1; min-width: 180px; }
.sale-rows { display: flex; flex-direction: column; gap: 6px; margin: 12px 0; }
.sale-row { display: grid; grid-template-columns: 1fr auto auto auto; gap: 10px; align-items: center; padding: 8px 10px; background: var(--color-paper-0); border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 13px; }
.sale-row-name { font-weight: 600; }

/* ============ Modal sizes ============ */
.modal-lg { width: min(720px, 94vw); }

/* ============ Modal (content/close variants) ============ */

.modal-content {
  background: var(--color-paper-0);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%; max-width: 480px; margin: 16px;
  max-height: calc(100vh - 32px); overflow-y: auto;
}
.modal-close {
  margin-left: auto;
  width: 30px; height: 30px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: none; border: none; border-radius: var(--radius);
  font-size: 20px; line-height: 1;
  color: var(--color-ink-500); cursor: pointer;
  transition: background 120ms ease-out;
}
.modal-close:hover { background: var(--color-paper-50); color: var(--color-ink-900); }

/* ============ Empty states ============ */

.empty-icon { font-size: 40px; margin-bottom: 8px; opacity: 0.5; }
.empty-icon svg { width: 40px; height: 40px; }
.empty-title { font-size: 16px; font-weight: 600; color: var(--color-ink-900); margin-bottom: 4px; }
.empty-sub { font-size: 13px; color: var(--color-ink-500); margin-top: 2px; }

/* ============ Status badges ============ */

.badge-success { background: #EAF5F0; color: #1F7A4D; border-color: #CBE7DA; }
.badge-danger { background: #FBECEC; color: #B83A3A; border-color: #F4D1D1; }
.badge-warning { background: #FCF3E3; color: #96660F; border-color: #F2E0BB; }

/* ============ Layout helpers ============ */

.row-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-filter { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.inline-filter .input, .inline-filter .select { width: auto; height: 34px; }
.table .th-actions { text-align: right; }
.table td.right, .right { text-align: right; }
.stat-grid-3 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.os-total { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; font-weight: 600; font-size: 16px; }

/* ============ Form label spans ============ */

.field > span { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--color-ink-900); }

/* ============ Cohesion polish ============ */

h1, h2, h3, .page-title-h1, .brand-name, .stat-card .stat-value { letter-spacing: -0.01em; }
.card, .stat-card { box-shadow: 0 1px 2px rgba(16, 27, 51, 0.03); }
.card > .table-wrap { border: none; border-radius: 0; }
.page-head .btn { flex-shrink: 0; }