:root {
  color-scheme: light;
  --app-bg: #f5f7fb;
  --app-surface: #ffffff;
  --app-surface-muted: #f8fafc;
  --app-border: #e2e8f0;
  --app-text: #172033;
  --app-text-muted: #64748b;
  --app-primary: #2563eb;
  --app-primary-hover: #1d4ed8;
  --app-danger: #dc2626;
  --app-success: #15803d;
  --app-warning: #b45309;
  --app-shadow-card: 0 8px 28px rgba(15, 23, 42, 0.06);
  --app-shadow-float: 0 24px 70px rgba(15, 23, 42, 0.18);
  --app-radius-sm: 8px;
  --app-radius-md: 12px;
  --app-radius-lg: 16px;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--app-bg); color: var(--app-text); }
button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid rgba(37, 99, 235, .2); outline-offset: 2px; }

.app-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; min-height: 64px; padding: 12px 28px; border-bottom: 1px solid var(--app-border); background: rgba(255,255,255,.94); backdrop-filter: blur(12px); }
.app-title { display: flex; align-items: baseline; gap: 12px; }
.app-title h1 { margin: 0; font-size: 19px; }
.muted { color: var(--app-text-muted); font-size: 12px; }
.page { max-width: 1440px; margin: 0 auto; padding: 24px; display: grid; gap: 20px; }
.panel { background: var(--app-surface); border: 1px solid var(--app-border); border-radius: var(--app-radius-md); box-shadow: var(--app-shadow-card); }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 18px; border-bottom: 1px solid var(--app-border); }
.panel-header h2 { margin: 0 0 4px; font-size: 15px; }

.button { min-height: 38px; padding: 0 14px; border: 0; border-radius: var(--app-radius-sm); background: var(--app-primary); color: #fff; font-weight: 750; }
.button:hover { background: var(--app-primary-hover); }
.button.secondary { background: #eef2ff; color: #3730a3; }
.button.secondary:hover { background: #e0e7ff; }
.button.ghost { background: #f1f5f9; color: #334155; }
.button.ghost:hover { background: #e2e8f0; }
.button.danger { background: #fee2e2; color: var(--app-danger); }
.button.danger:hover { background: #fecaca; }
.button.small { min-height: 32px; padding: 0 10px; font-size: 12px; }
.button-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.settings { padding: 0; overflow: hidden; }
.settings summary { list-style: none; display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; cursor: pointer; font-weight: 750; }
.settings summary::-webkit-details-marker { display: none; }
.settings-body { display: grid; grid-template-columns: minmax(240px, 2fr) minmax(220px, 1fr) auto; gap: 12px; padding: 0 18px 18px; border-top: 1px solid var(--app-border); padding-top: 16px; }

.metrics { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.metric { text-align: left; border: 1px solid var(--app-border); border-radius: var(--app-radius-md); background: var(--app-surface); padding: 16px; box-shadow: var(--app-shadow-card); color: inherit; }
.metric:hover { border-color: #bfdbfe; transform: translateY(-1px); }
.metric-label { color: var(--app-text-muted); font-size: 12px; font-weight: 700; }
.metric-value { display: block; margin-top: 8px; font-size: 25px; line-height: 1; font-weight: 800; }
.metric-note { display: block; margin-top: 8px; color: var(--app-text-muted); font-size: 11px; }

.insights { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.insight-body { padding: 16px 18px; display: grid; gap: 12px; }
.bar-button { display: grid; grid-template-columns: 80px minmax(0,1fr) 32px; align-items: center; gap: 10px; width: 100%; border: 0; background: transparent; padding: 4px 0; color: inherit; text-align: left; }
.bar-track { height: 8px; border-radius: 99px; background: #eef2f7; overflow: hidden; }
.bar-fill { display: block; height: 100%; min-width: 3px; border-radius: inherit; background: var(--app-primary); }
.bar-fill.warning { background: #f59e0b; }
.bar-count { text-align: right; font-size: 12px; font-weight: 800; }
.expiry-bars { display: grid; gap: 12px; }
.expiry-list { display: grid; gap: 8px; margin-top: 4px; padding-top: 14px; border-top: 1px solid var(--app-border); }
.expiry-list-title { color: var(--app-text-muted); font-size: 12px; font-weight: 800; }
.expiry-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; padding: 10px 12px; border: 1px solid #fde68a; border-radius: var(--app-radius-sm); background: #fffbeb; color: var(--app-text); text-align: left; }
.expiry-item:hover { border-color: #f59e0b; background: #fef3c7; }
.expiry-item span:first-child { display: grid; gap: 3px; min-width: 0; }
.expiry-item strong { overflow: hidden; text-overflow: ellipsis; font-size: 12px; }
.expiry-item small { color: var(--app-text-muted); }
.expiry-days { flex: none; color: var(--app-warning); font-size: 12px; font-weight: 800; }

.filters { padding: 16px 18px; display: grid; grid-template-columns: minmax(220px, 2fr) repeat(5, minmax(120px, 1fr)); gap: 10px; border-bottom: 1px solid var(--app-border); }
.field { display: grid; gap: 6px; color: var(--app-text-muted); font-size: 12px; font-weight: 700; }
.field input, .field select { width: 100%; height: 38px; padding: 0 10px; border: 1px solid var(--app-border); border-radius: var(--app-radius-sm); color: var(--app-text); background: #fff; outline: none; }
.field input:focus, .field select:focus { border-color: var(--app-primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 12px; border-bottom: 1px solid var(--app-border); text-align: left; vertical-align: top; }
th { position: sticky; top: 0; z-index: 2; background: var(--app-surface-muted); color: var(--app-text-muted); font-size: 12px; }
tbody tr:hover td { background: #fbfdff; }
.primary-text { font-weight: 750; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }
.pill { display: inline-flex; align-items: center; min-height: 22px; padding: 2px 8px; border-radius: 99px; font-size: 11px; font-weight: 800; }
.pill.usable { background: #dcfce7; color: #166534; }
.pill.expired, .pill.disabled { background: #fee2e2; color: #991b1b; }
.pill.unknown { background: #fef3c7; color: #92400e; }
.pagination { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; }
.empty { padding: 48px 20px; text-align: center; color: var(--app-text-muted); }
.status { min-height: 18px; color: var(--app-text-muted); font-size: 12px; }
.status.ok { color: var(--app-success); }
.status.error { color: var(--app-danger); }

.overlay { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 18px; background: rgba(15,23,42,.38); opacity: 0; pointer-events: none; transition: opacity 180ms ease; }
.overlay.open { opacity: 1; pointer-events: auto; }
.drawer { width: min(720px, 100%); max-height: min(860px, calc(100vh - 36px)); overflow: auto; border-radius: var(--app-radius-lg); background: var(--app-surface); box-shadow: var(--app-shadow-float); transform: translateY(14px) scale(.985); transition: transform 220ms cubic-bezier(.22,1,.36,1); }
.overlay.open .drawer { transform: none; }
.drawer-header, .drawer-footer { position: sticky; z-index: 3; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; background: var(--app-surface); }
.drawer-header { top: 0; border-bottom: 1px solid var(--app-border); }
.drawer-header h2 { margin: 0; font-size: 17px; }
.drawer-footer { bottom: 0; border-top: 1px solid var(--app-border); }
.form-grid { padding: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .wide { grid-column: 1 / -1; }
.checkline { display: flex; align-items: center; gap: 8px; min-height: 38px; color: var(--app-text); font-size: 13px; font-weight: 650; }
.checkline input { width: 16px; height: 16px; }
.code-box { padding: 12px; border: 1px solid #bfdbfe; border-radius: var(--app-radius-sm); background: #eff6ff; color: #1e3a8a; font-size: 13px; }
.confirm-card { width: min(440px, 100%); padding: 20px; border-radius: var(--app-radius-lg); background: var(--app-surface); box-shadow: var(--app-shadow-float); transform: scale(.98); transition: transform 180ms ease; }
.overlay.open .confirm-card { transform: none; }
.confirm-card h2 { margin: 0 0 10px; font-size: 17px; }
.confirm-card p { margin: 0 0 20px; color: var(--app-text-muted); line-height: 1.6; font-size: 13px; }
.confirm-card .button-row { justify-content: flex-end; }

@media (max-width: 1100px) {
  .metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .filters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .filters .search { grid-column: span 3; }
}
@media (max-width: 760px) {
  .app-header { padding: 12px 16px; align-items: flex-start; }
  .app-title { display: block; }
  .app-title .muted { display: block; margin-top: 4px; }
  .page { padding: 14px; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .insights { grid-template-columns: 1fr; }
  .settings-body, .filters, .form-grid { grid-template-columns: 1fr; }
  .filters .search, .form-grid .wide { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}