/* Digivolve · HMRC Tax Position — "statement of account" ledger aesthetic */

:root {
  --paper: #FAFAF7;
  --card: #FFFFFF;
  --ink: #1A1F2B;
  --ink-2: #5A6270;
  --ink-3: #9AA3AE;
  --rule: #E5E3DB;
  --rule-soft: #EFEDE6;
  --navy: #2C3346;
  --navy-deep: #232938;
  --teal: #70CAC5;
  --sky: #38B6FF;
  /* chart series — validated categorical slots (dataviz palette) */
  --s-sa: #2a78d6;
  --s-ct: #eb6834;
  --s-paye: #1baf7a;
  /* status — reserved, never series */
  --bad: #B3261E;
  --good: #006300;
  --warn-bg: #FCF3D7;
  --warn-ink: #7A5B00;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Raleway', -apple-system, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.num, td.amt, .tile-value, .axis text { font-variant-numeric: tabular-nums lining-nums; }

/* ---------------------------------------------------------------- masthead */
.masthead {
  background: var(--navy);
  color: #fff;
  border-bottom: 3px solid var(--teal);
  padding: 26px clamp(18px, 4vw, 48px) 0;
}
.masthead-top { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.brand-mark {
  font-size: 10px; font-weight: 800; letter-spacing: .34em; color: var(--teal);
}
.masthead h1 {
  margin: 2px 0 4px; font-size: clamp(21px, 3vw, 27px); font-weight: 800; letter-spacing: -.01em;
}
.masthead .who { font-size: 11.5px; color: #B9C0CE; }
.masthead .who .dev-flag { color: #FFD888; font-weight: 700; letter-spacing: .08em; }

.stamps { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 14px; }
.stamp {
  border: 1px solid rgba(255,255,255,.25); border-radius: 4px;
  padding: 3px 9px; font-size: 10.5px; letter-spacing: .06em; color: #D7DBE4;
}
.stamp b { color: #fff; font-weight: 700; }
.stamp.missing { border-style: dashed; color: #8B93A3; }
.stamp.stale { border-color: #E9C468; color: #F3DFAE; }

.tabs { display: flex; gap: 2px; }
.tabs button {
  appearance: none; border: 0; cursor: pointer;
  background: rgba(255,255,255,.07); color: #C6CBD6;
  font: 700 12.5px 'Raleway', sans-serif; letter-spacing: .03em;
  padding: 10px 18px; border-radius: 7px 7px 0 0;
}
.tabs button:hover { background: rgba(255,255,255,.13); color: #fff; }
.tabs button[aria-selected="true"] { background: var(--paper); color: var(--navy); }

/* ------------------------------------------------------------------ layout */
main { padding: 26px clamp(18px, 4vw, 48px) 60px; max-width: 1180px; margin: 0 auto; }

.alerts-wrap { max-width: 1180px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 48px); }
.alerts-wrap .banner { margin: 18px 0 0; }

.banner {
  border: 1px solid var(--rule); border-left: 4px solid var(--sky);
  background: var(--card); border-radius: 6px; padding: 12px 16px; margin-bottom: 18px;
  font-size: 13px;
}
.banner.warn { border-left-color: #E9C468; background: var(--warn-bg); color: var(--warn-ink); }
.banner.bad  { border-left-color: var(--bad); }

.section-label {
  font-size: 10px; font-weight: 800; letter-spacing: .28em; color: var(--ink-3);
  text-transform: uppercase; margin: 26px 0 10px;
}
.section-label:first-child { margin-top: 0; }

/* ------------------------------------------------------------------- tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.tile {
  background: var(--card); border: 1px solid var(--rule); border-radius: 8px;
  padding: 16px 18px 14px;
}
.tile-label { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.tile-value { font-size: 30px; font-weight: 800; letter-spacing: -.02em; margin: 3px 0 1px; color: var(--navy); }
.tile-value.bad { color: var(--bad); }
.tile-value.good { color: var(--good); }
.gap-top { margin-top: 6px; }
.tile-sub { font-size: 12px; color: var(--ink-3); }

/* ------------------------------------------------------------------ charts */
.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 12px; }
.card {
  background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 16px 18px;
}
.card h3 { margin: 0; font-size: 14px; font-weight: 800; color: var(--navy); }
.card h3 .swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 7px; vertical-align: baseline; }
.swatch-sa { background: var(--s-sa); } .bar-sa { fill: var(--s-sa); }
.swatch-ct { background: var(--s-ct); } .bar-ct { fill: var(--s-ct); }
.swatch-paye { background: var(--s-paye); } .bar-paye { fill: var(--s-paye); }
.stats-cols { grid-template-columns: minmax(300px, 5fr) minmax(320px, 7fr); }
.ledger tr.pickable td:first-child { cursor: pointer; }
.ledger tr[data-picked="true"] td { background: #F2F7FD; box-shadow: inset 3px 0 0 var(--sky); }
.card .sub { font-size: 11.5px; color: var(--ink-3); margin: 1px 0 10px; }
.card-tools { float: right; }
.linkish {
  appearance: none; background: none; border: 0; padding: 2px 4px; cursor: pointer;
  font: 600 11.5px 'Raleway', sans-serif; color: var(--sky);
}
.linkish:hover { text-decoration: underline; }

.chart-wrap { position: relative; }
.chart-wrap svg { width: 100%; height: auto; display: block; }
.grid-line { stroke: var(--rule-soft); stroke-width: 1; }
.baseline { stroke: var(--rule); stroke-width: 1; }
.axis text, text.axis { fill: var(--ink-3); font: 500 14px 'Raleway', sans-serif; }
.bar-label { fill: var(--ink-2); font: 700 14px 'Raleway', sans-serif; }
.hit { fill: transparent; cursor: pointer; }

.tooltip {
  position: absolute; pointer-events: none; z-index: 30; display: none;
  background: var(--navy); color: #fff; border-radius: 5px; padding: 6px 10px;
  font-size: 11.5px; line-height: 1.45; box-shadow: 0 4px 14px rgba(0,0,0,.22);
  white-space: nowrap; transform: translate(-50%, calc(-100% - 8px));
}
.tooltip b { font-weight: 800; }

/* ------------------------------------------------------------------ tables */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.svc-tabs { display: inline-flex; border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; }
.svc-tabs button {
  appearance: none; border: 0; background: var(--card); cursor: pointer;
  font: 700 12px 'Raleway', sans-serif; color: var(--ink-2); padding: 7px 14px;
}
.svc-tabs button + button { border-left: 1px solid var(--rule); }
.svc-tabs button[aria-selected="true"] { background: var(--navy); color: #fff; }
.search {
  flex: 1; min-width: 180px; max-width: 320px;
  border: 1px solid var(--rule); border-radius: 6px; background: var(--card);
  padding: 7px 12px; font: 500 13px 'Raleway', sans-serif; color: var(--ink);
}
.search:focus { outline: 2px solid var(--sky); outline-offset: 0; border-color: transparent; }
.toolbar .spacer { flex: 1; }
.count-note { font-size: 12px; color: var(--ink-3); }

table.ledger { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.table-scroll { overflow-x: auto; border-radius: 8px; }
.ledger th {
  text-align: left; font-size: 10.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-2); padding: 10px 14px; border-bottom: 2px solid var(--navy); background: var(--card);
  white-space: nowrap;
}
.ledger th.amt, .ledger td.amt { text-align: right; }
.ledger th button {
  appearance: none; background: none; border: 0; padding: 0; cursor: pointer;
  font: inherit; color: inherit; letter-spacing: inherit; text-transform: inherit;
}
.ledger th button:hover { color: var(--navy); }
.ledger td { padding: 9px 14px; border-bottom: 1px solid var(--rule-soft); font-size: 13px; }
.ledger tbody tr:hover td { background: #FBFAF4; }
.ledger tr.expandable td:first-child { cursor: pointer; }
.ledger .ref { color: var(--ink-3); font-size: 12px; }
.ledger td.amt.bad { color: var(--bad); font-weight: 700; }
.ledger td.amt.good { color: var(--good); font-weight: 700; }
.ledger tfoot td { font-weight: 800; border-top: 2px solid var(--navy); border-bottom: 0; }
.ledger .drill td { background: #FBFAF4; padding: 4px 14px 12px; }
.mini { width: auto; min-width: 320px; border: 1px solid var(--rule); border-radius: 6px; margin: 6px 0 4px; border-collapse: collapse; background: #fff; }
.mini th { font-size: 10px; padding: 6px 12px; border-bottom: 1px solid var(--rule); background: none; color: var(--ink-3); }
.mini td { font-size: 12.5px; padding: 5px 12px; border-bottom: 1px solid var(--rule-soft); }
.chev { display: inline-block; width: 14px; color: var(--ink-3); transition: transform .15s; }
tr[aria-expanded="true"] .chev { transform: rotate(90deg); }

.hmrc-link {
  display: inline-block; white-space: nowrap; text-decoration: none;
  font-size: 10.5px; font-weight: 700; letter-spacing: .03em;
  color: var(--navy); border: 1px solid var(--rule); border-radius: 4px;
  padding: 2px 8px; background: var(--card);
}
.hmrc-link:hover { border-color: var(--sky); color: var(--sky); }

.pill { display: inline-block; border-radius: 99px; padding: 2px 9px; font-size: 10.5px; font-weight: 700; letter-spacing: .04em; }
.pill.arrears { background: #F9E3E1; color: var(--bad); }
.pill.credit  { background: #E0EFE0; color: var(--good); }
.pill.clear   { background: var(--rule-soft); color: var(--ink-2); }
.pill.future  { background: #E3F0FB; color: #1D5C9E; }
.pill.err     { background: var(--warn-bg); color: var(--warn-ink); }

/* ------------------------------------------------------------------ health */
.health-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 3px 16px; font-size: 12.5px; margin-top: 10px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; font-weight: 600; }
.kv dd.ok::before  { content: '✓ '; color: var(--good); }
.kv dd.bad-mark::before { content: '✕ '; color: var(--bad); }
.errlist { margin: 8px 0 0; padding-left: 18px; font-size: 12.5px; color: var(--warn-ink); }

/* --------------------------------------------------------------- dev/empty */
.gate { max-width: 560px; margin: 60px auto; text-align: center; }
.gate .card { padding: 34px 30px; }
.gate h2 { margin: 0 0 6px; color: var(--navy); }
.gate p { color: var(--ink-2); }
.btn {
  appearance: none; cursor: pointer; border: 0; border-radius: 6px;
  background: var(--navy); color: #fff; font: 700 13.5px 'Raleway', sans-serif;
  padding: 11px 22px; margin-top: 10px;
}
.btn:hover { background: var(--navy-deep); }
.drop-hint { font-size: 12px; color: var(--ink-3); margin-top: 14px; }
body.dragover::after {
  content: 'Drop sweep JSON files to preview';
  position: fixed; inset: 0; display: grid; place-items: center;
  background: rgba(44,51,70,.88); color: #fff; font: 800 22px 'Raleway', sans-serif;
  z-index: 100;
}

footer.smallprint {
  padding: 0 clamp(18px, 4vw, 48px) 40px; max-width: 1180px; margin: 0 auto;
  font-size: 11px; color: var(--ink-3);
}

@media (max-width: 760px) {
  .stats-cols { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .tile-value { font-size: 24px; }
  .ledger td, .ledger th { padding: 8px 10px; }
}