:root {
  color-scheme: light;
  --ink: #14211b;
  --muted: #5c6b63;
  --paper: #f5f7f4;
  --panel: #ffffff;
  --line: #d9e0db;
  --accent: #176b45;
  --accent-ink: #ffffff;
  --danger: #a62a2a;
  --warning: #925d00;
  --radius: .65rem;
  font: 16px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); }
button, input, select, textarea { font: inherit; }
button, input, select, textarea { min-height: 2.75rem; }
button { border: 1px solid var(--accent); border-radius: .45rem; padding: .55rem .85rem; color: var(--accent-ink); background: var(--accent); cursor: pointer; }
button.secondary { color: var(--ink); background: var(--panel); border-color: var(--line); }
button.danger { background: var(--danger); border-color: var(--danger); }
button:disabled { cursor: wait; opacity: .6; }
:focus-visible { outline: 3px solid #3a91df; outline-offset: 2px; }
.skip-link { position: fixed; top: .5rem; left: .5rem; transform: translateY(-150%); z-index: 10; background: var(--panel); padding: .5rem; }
.skip-link:focus { transform: none; }
.shell { min-height: 100vh; }
.topbar { display: flex; gap: 1rem; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; color: #fff; background: #10271d; }
.brand { margin: 0; font-size: 1.15rem; }
.identity { display: flex; gap: .75rem; align-items: center; }
.identity button { border-color: #fff; }
.layout { display: grid; grid-template-columns: 15rem minmax(0, 1fr); }
.nav { min-height: calc(100vh - 4.8rem); padding: 1rem; background: #e9eeea; border-right: 1px solid var(--line); }
.nav button { width: 100%; margin: 0 0 .4rem; text-align: left; color: var(--ink); background: transparent; border-color: transparent; }
.nav button[aria-current="page"] { background: var(--panel); border-color: var(--line); }
.content { width: 100%; max-width: 92rem; padding: 1.25rem; overflow: hidden; }
.toolbar { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; margin-bottom: 1rem; }
.toolbar label, .field { display: grid; gap: .25rem; }
.toolbar input, .toolbar select, .field input, .field select, .field textarea { border: 1px solid #aab7af; border-radius: .4rem; padding: .5rem; background: #fff; color: var(--ink); }
.field textarea { min-height: 6rem; resize: vertical; }
.view[hidden], #app[hidden], #login[hidden] { display: none; }
.panel { margin: 0 0 1rem; padding: 1rem; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 1px 2px rgb(0 0 0 / 5%); }
.panel h2, .panel h3 { margin-top: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.metric { padding: .85rem; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.metric dt { color: var(--muted); font-size: .85rem; }
.metric dd { margin: .2rem 0 0; font-size: 1.45rem; font-weight: 650; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: .65rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { white-space: nowrap; color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
td input, td select { width: 100%; min-width: 7rem; }
.status { font-weight: 650; }
.status.failed, .status.declined, .status.disabled, .status.dead { color: var(--danger); }
.status.uncertain, .status.pending, .status.review_required { color: var(--warning); }
.actions { display: flex; flex-wrap: wrap; gap: .4rem; }
.actions button { min-height: 2.25rem; padding: .35rem .6rem; }
.muted { color: var(--muted); }
.error { color: var(--danger); }
.notice { min-height: 1.5rem; margin: .5rem 0; }
.login-card { width: min(28rem, calc(100% - 2rem)); margin: 10vh auto; padding: 1.5rem; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.login-card form { display: grid; gap: 1rem; }
.mapping-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.mapping-grid .wide { grid-column: 1 / -1; }
dialog { width: min(54rem, calc(100% - 2rem)); max-height: 90vh; overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); }
dialog::backdrop { background: rgb(0 0 0 / 45%); }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
body[data-role="viewer"] .admin-only { display: none !important; }
@media (max-width: 760px) {
  .topbar { align-items: flex-start; }
  .identity { align-items: flex-end; flex-direction: column; }
  .layout { display: block; }
  .nav { display: flex; min-height: auto; gap: .35rem; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .nav button { width: auto; flex: 0 0 auto; margin: 0; }
  .content { padding: .8rem; }
  .mapping-grid, .detail-grid { grid-template-columns: 1fr; }
  .mapping-grid .wide { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }