/* NHAnalytics — the NorthHead "Harbor & Spruce" palette, system fonts. */
:root {
  --paper: #f7f3ea;
  --ink: #13261f;
  --spruce: #2f6b57;
  --muted: #5d6b64;
  --rule: #d9d2c3;
  --card: #fffdf8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1a16;
    --ink: #e9efe9;
    --spruce: #7fc4a8;
    --muted: #9fb0a8;
    --rule: #2a3a33;
    --card: #15241e;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font:
    16px/1.5 system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
}
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}
h1 {
  margin: 0 0 4px;
  font-size: 1.6rem;
  color: var(--spruce);
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 0.85rem;
}
.empty {
  padding: 16px;
  border: 1px dashed var(--rule);
  border-radius: 8px;
  background: var(--card);
}
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--card);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}
th {
  font-weight: 600;
  color: var(--muted);
}
tr:last-child td {
  border-bottom: none;
}
code {
  font-size: 0.9em;
}

/* ----- Dashboard (milestone 3) ------------------------------------------- */
:root {
  --up: #2f6b57;
  --down: #a5462f;
  --bar: #2f6b57;
  --bar-soft: #cfe3d9;
  --butter: #fbf3d6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --up: #7fc4a8;
    --down: #f0a08a;
    --bar: #7fc4a8;
    --bar-soft: #264237;
    --butter: #2a2717;
  }
}
.top {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 10px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--rule);
}
.brand {
  font-weight: 700;
  color: var(--spruce);
}
.tabs,
.sites,
.ranges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.tabs a,
.sites a,
.ranges a {
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid transparent;
  font-size: 0.92rem;
}
.tabs a:hover,
.sites a:hover,
.ranges a:hover {
  border-color: var(--rule);
}
.tabs a[aria-current],
.sites a[aria-current],
.ranges a[aria-current] {
  background: var(--spruce);
  color: var(--paper);
}
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--spruce);
  outline-offset: 2px;
}
.ranges {
  margin: 4px 0 16px;
}
.custom-range {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--muted);
}
.custom-range input,
.custom-range button {
  font: inherit;
  padding: 4px 8px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--card);
  color: var(--ink);
}
.custom-range button {
  cursor: pointer;
}
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.kpi,
.card,
.chart {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 0;
}
.kpi-label {
  color: var(--muted);
  font-size: 0.85rem;
}
.kpi-value {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.delta {
  font-size: 0.8rem;
}
.delta.up {
  color: var(--up);
}
.delta.down {
  color: var(--down);
}
.chart {
  margin-bottom: 16px;
}
.chart figcaption {
  font-weight: 600;
  margin-bottom: 8px;
}
.chart svg {
  display: block;
  width: 100%;
  height: 140px;
}
.chart rect {
  fill: var(--bar);
}
.chart .axis {
  stroke: var(--rule);
  stroke-width: 0.3;
  vector-effect: non-scaling-stroke;
}
.chart-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}
.card h4 {
  margin: 12px 0 4px;
  font-size: 0.92rem;
}
.card > .card {
  border: 0;
  padding: 0;
}
.main-card,
section.card:not(.grid > .card) {
  margin-bottom: 16px;
}
table.ranked,
table.questions {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
table.ranked td,
table.ranked th,
table.questions td,
table.questions th {
  padding: 6px 4px;
  border-bottom: 1px solid var(--rule);
  white-space: normal;
  vertical-align: top;
}
table.ranked tr:last-child td,
table.questions tr:last-child td {
  border-bottom: 0;
}
.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.rlabel {
  overflow-wrap: anywhere;
}
svg.bar {
  display: block;
  width: 100%;
  height: 5px;
  margin-top: 3px;
  background: var(--bar-soft);
  border-radius: 3px;
}
svg.bar rect {
  fill: var(--bar);
}
.facts {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  margin: 0;
}
.facts dt {
  color: var(--muted);
}
.facts dd {
  margin: 0;
  font-weight: 600;
  text-align: right;
}
.card.ai {
  background: var(--butter);
}
.ai-note {
  margin: 10px 0 0;
  color: var(--muted);
  border-top: 1px dashed var(--rule);
  padding-top: 8px;
}
.topics {
  margin: 0;
  padding-left: 20px;
}
.topics > li {
  margin-bottom: 10px;
}
.examples {
  margin: 4px 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}
.suggestion {
  margin: 4px 0 0;
}
.notice {
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--butter);
  border: 1px solid var(--rule);
}
.foot {
  margin-top: 24px;
}
@media (max-width: 600px) {
  main {
    padding: 16px 12px 40px;
  }
  .kpi-value {
    font-size: 1.5rem;
  }
  .custom-range {
    margin-left: 0;
  }
  .chart svg {
    height: 110px;
  }
}

/* ----- Sign-in, header actions, offline page ------------------------------ */
.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.signout button,
.signin button {
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
}
.signout button {
  padding: 6px 12px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
}
.signin-wrap,
.offline {
  max-width: 380px;
  margin: 12vh auto 0;
  padding: 0 16px;
  text-align: center;
}
.signin-wrap img,
.offline img {
  border-radius: 20px;
}
.signin {
  display: grid;
  gap: 12px;
  margin-top: 16px;
  text-align: left;
}
.signin label {
  display: grid;
  gap: 4px;
  font-size: 0.9rem;
  color: var(--muted);
}
.signin input {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
}
.signin button {
  padding: 11px 16px;
  border: 0;
  background: var(--spruce);
  color: var(--paper);
  font-weight: 600;
}
.signin-error {
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--butter);
  border: 1px solid var(--rule);
  color: var(--ink);
  text-align: left;
}