/* Footprint "Dossier" visual system, ported from the design artboards. */
/* fonts: vendor/fonts/fonts.css is linked from index.html */

:root {
  /* ground and ink */
  --paper: #efebe1;
  --sheet: #faf8f2;
  --sheet-hi: #fdfcf8;
  --sheet-dim: #f4f0e7;
  --sheet-hover: #f1ece1;
  --ink: #1d1b17;
  --ink-2: #4f4a40;
  --ink-3: #6e685c;
  --ink-on-dark: #faf8f2;
  --ink-on-dark-2: #c9c1ae;
  --rule: #d8d1c1;
  --rule-strong: #cfc7b5;
  --rule-soft: #e4ded1;
  --rule-dark: #3a362f;
  --tab-bg: #e3ddd0;
  --input-bg: #ffffff;
  /* accents */
  --data: #2f5d9e;
  --stamp: #b3261e;
  /* categorical palette */
  --cat-1: #2f5d9e;
  --cat-2: #c2562b;
  --cat-3: #00937d;
  --cat-4: #b8860b;
  --cat-5: #8e4c8c;
  --cat-6: #5e7d1f;
  --cat-7: #5a55b8;
  --cat-other: #b3ac9c;
  /* heat ramp */
  --heat-0: #f1eee6;
  --heat-1: #dce3ec;
  --heat-2: #b9c8dd;
  --heat-3: #8fa8cb;
  --heat-4: #6487b6;
  --heat-5: #3f68a2;
  --heat-6: #2a4f86;
  --heat-7: #1b3864;
  /* type */
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --cond: 'IBM Plex Sans Condensed', 'Arial Narrow', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --gutter: 40px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); }
a { color: var(--ink); }
a:hover { color: var(--stamp); }
button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--stamp); outline-offset: 2px; }

/* ground with dotted texture */
.ground {
  min-height: 100vh;
  background-color: var(--paper);
  background-image: radial-gradient(rgba(70, 58, 36, 0.06) 1px, transparent 1px);
  background-size: 5px 5px;
  color: var(--ink);
  font-family: var(--sans);
}
.wrap { max-width: 1360px; margin: 0 auto; padding: 32px var(--gutter) 72px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-3); }

/* labels, ref line, headings */
.lbl { font: 500 12px/1.5 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.refline {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px;
  font: 500 12px/1.5 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2);
}
.titlebar { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; margin-top: 22px; }
.h1 { margin: 0; font: 600 68px/0.95 var(--cond); letter-spacing: -0.01em; }
.h2 { margin: 6px 0 0; font: 600 30px/1.15 var(--cond); }
.lede { margin: 14px 0 0; font-size: 18px; line-height: 1.5; color: var(--ink-2); text-wrap: pretty; max-width: 760px; }
.note { margin: 6px 0 0; font-size: 15px; color: var(--ink-2); }

/* stamp */
.stamp {
  display: inline-block; border: 2px solid var(--stamp); border-radius: 3px; color: var(--stamp);
  font: 600 12px/1.4 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; padding: 3px 9px;
}
.stamp.big { font-size: 17px; padding: 7px 16px; transform: rotate(-5deg); margin-bottom: 8px; }

/* folder tabs */
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 30px; border-bottom: 2px solid var(--ink); }
.tab {
  display: flex; gap: 8px; align-items: baseline; padding: 11px 16px 9px; min-height: 44px;
  background: var(--tab-bg); border: 1px solid var(--rule-strong); border-bottom: none; border-radius: 6px 6px 0 0;
  text-decoration: none; font: 500 14px/1.6 var(--sans); color: var(--ink-2);
}
.tab:hover { background: var(--sheet-dim); color: var(--ink); }
.tab.on { background: var(--ink); color: var(--ink-on-dark); border-color: var(--ink); }
.tabn { font: 500 12px/1.6 var(--mono); letter-spacing: 0.06em; opacity: 0.75; }

/* controls row under the tabs (privacy switch, snapshot picker) */
.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-top: 14px; }
.switch {
  display: inline-flex; align-items: center; gap: 10px; min-height: 40px; padding: 6px 14px;
  border: 1px solid var(--rule-strong); border-radius: 4px; background: var(--input-bg);
  font: 500 13px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); cursor: pointer;
}
.switch:hover { border-color: var(--ink); }
.switch[aria-checked='true'] { background: var(--ink); color: var(--ink-on-dark); border-color: var(--ink); }
.switch[disabled] { cursor: not-allowed; opacity: 0.85; }
.switch .knob { width: 28px; height: 16px; border-radius: 8px; background: var(--rule-strong); position: relative; flex: none; }
.switch .knob::after { content: ''; position: absolute; top: 2px; left: 2px; width: 12px; height: 12px; border-radius: 50%; background: var(--sheet); transition: left 0.12s; }
.switch[aria-checked='true'] .knob { background: var(--stamp); }
.switch[aria-checked='true'] .knob::after { left: 14px; }
select.pick, input.q {
  min-height: 44px; padding: 10px 12px; border: 1px solid var(--rule-strong); border-radius: 4px;
  background: var(--input-bg); font: 400 15px var(--sans); color: var(--ink);
}
select.pick { min-height: 40px; padding: 6px 10px; font-size: 14px; }
input.q { width: 100%; max-width: 420px; }
input.q:focus { outline: 2px solid var(--data); outline-offset: 0; }
input.q:disabled { background: var(--sheet-dim); cursor: not-allowed; }

/* sheets */
.sheet { background: var(--sheet); border: 1px solid var(--rule); padding: 28px 32px 30px; }
.sheet.dark { background: var(--ink); color: var(--ink-on-dark); border-color: var(--ink); display: flex; flex-direction: column; gap: 22px; }
.sheet.dark .lbl { color: var(--ink-on-dark-2); }
.sheet-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 12px 32px; }
.grid { display: grid; gap: 24px; margin-top: 24px; align-items: start; }
.grid.g2 { grid-template-columns: repeat(auto-fit, minmax(min(520px, 100%), 1fr)); }
.grid.g3 { grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); }
.page { margin-top: 28px; }
.page > .sheet, .page > .grid { margin-top: 24px; }
.page > :first-child { margin-top: 0; }

/* KPI strip */
.kpis {
  /* Hairlines drawn per cell (not via gap + container background) so an incomplete last row
     reads as empty sheet instead of a grey block. */
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr)); gap: 0;
  background: var(--sheet); border: 1px solid var(--rule-strong); overflow: hidden;
}
.kpis.dark { background: var(--ink); border-color: var(--rule-dark); grid-template-columns: repeat(auto-fit, minmax(min(170px, 100%), 1fr)); }
.kpi { background: var(--sheet); padding: 16px 16px 14px; box-shadow: 1px 0 0 var(--rule-strong), 0 1px 0 var(--rule-strong); }
.kpis.dark .kpi { background: var(--ink); box-shadow: 1px 0 0 var(--rule-dark), 0 1px 0 var(--rule-dark); }
.kpi-l { font-size: 13px; color: var(--ink-3); }
.kpi-v { font: 600 34px/1.1 var(--cond); margin-top: 4px; }
.kpi-s { font-size: 13px; line-height: 1.4; color: var(--ink-3); margin-top: 4px; }
.kpis.dark .kpi-l, .kpis.dark .kpi-s { color: var(--ink-on-dark-2); }

/* definition rows */
.dl { display: grid; grid-template-columns: minmax(120px, 190px) minmax(0, 1fr); margin: 18px 0 0; border-top: 1px solid var(--rule); }
.dt { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--rule-soft); font: 500 12px/1.7 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.dd { margin: 0; padding: 10px 0; border-bottom: 1px solid var(--rule-soft); font-size: 15px; line-height: 1.5; }
.redact { display: inline-block; width: 128px; height: 15px; background: var(--ink); vertical-align: -2px; margin-right: 10px; }

/* rows, list items, chips */
.li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--rule-soft); font-size: 14px; line-height: 1.4; }
.kv { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--rule-soft); font-size: 14px; }
.row {
  display: flex; align-items: center; gap: 12px; width: 100%; min-height: 44px; padding: 6px 8px; background: transparent;
  border: 0; border-bottom: 1px solid var(--rule-soft); text-align: left; font: inherit; color: var(--ink); cursor: pointer;
}
.row:hover { background: var(--sheet-hover); }
.row.on { background: var(--ink); color: var(--ink-on-dark); }
.chip {
  display: flex; align-items: center; gap: 10px; width: 100%; min-height: 44px; padding: 8px 10px; background: transparent;
  border: 1px solid transparent; border-radius: 4px; text-align: left; font: inherit; color: var(--ink); cursor: pointer;
}
.chip:hover { background: var(--sheet-hover); }
.chip.on { background: var(--sheet-hover); border-color: var(--ink); }
.tag { display: inline-block; padding: 3px 8px; border: 1px solid var(--rule); border-radius: 3px; font-size: 13px; line-height: 1.4; background: var(--input-bg); }
.more { min-height: 36px; padding: 4px 12px; border: 1px solid var(--ink); border-radius: 4px; background: transparent; font: 500 13px var(--sans); color: var(--ink); cursor: pointer; }
.more:hover { background: var(--ink); color: var(--ink-on-dark); }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; flex: none; }

/* segmented buttons */
.segs { display: flex; flex-wrap: wrap; gap: 6px; }
.seg { min-height: 40px; padding: 8px 14px; border: 1px solid var(--rule-strong); background: var(--input-bg); font: 500 14px var(--sans); color: var(--ink); cursor: pointer; border-radius: 4px; }
.seg:hover { border-color: var(--ink); }
.seg.on { background: var(--ink); color: var(--ink-on-dark); border-color: var(--ink); }

/* readout */
.readout { padding: 9px 14px; border: 1px solid var(--rule); background: var(--sheet-dim); font: 500 14px/1.5 var(--mono); min-width: min(300px, 100%); }

/* bar list */
.bars { display: flex; flex-direction: column; gap: 10px; margin: 12px 0 0; padding: 0; list-style: none; }
.bar-top { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; line-height: 1.4; }
.bar-track { height: 8px; background: var(--heat-0); margin-top: 4px; }
.bar-fill { height: 100%; background: var(--data); }

/* heatmap 7x24 */
.heat { display: grid; grid-template-columns: 38px repeat(24, minmax(0, 1fr)); align-items: center; min-width: 640px; }
.heat-h { text-align: center; font: 500 11px/1.4 var(--mono); color: var(--ink-3); }
.heat-d { font: 500 12px/1.4 var(--mono); color: var(--ink-3); }
.hc { height: 26px; border-radius: 2px; margin: 1px; padding: 0; border: 0; cursor: default; }
.hc:focus-visible { outline: 2px solid var(--stamp); outline-offset: 1px; }
.hc.sel { outline: 2px solid var(--ink); outline-offset: 1px; }
.heat-0 { background: var(--heat-0); } .heat-1 { background: var(--heat-1); } .heat-2 { background: var(--heat-2); }
.heat-3 { background: var(--heat-3); } .heat-4 { background: var(--heat-4); } .heat-5 { background: var(--heat-5); }
.heat-6 { background: var(--heat-6); } .heat-7 { background: var(--heat-7); }

/* tables */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; }
.th { padding: 10px 12px; text-align: left; font: 500 12px/1.4 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); border-bottom: 2px solid var(--ink); white-space: nowrap; background: var(--sheet); }
.td { padding: 11px 12px; vertical-align: top; border-bottom: 1px solid var(--rule-soft); font-size: 14px; line-height: 1.5; }
.th.r, .td.r { text-align: right; }
.td.r { font: 400 14px/1.4 var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* banners, empty and error states */
.banner { margin-top: 20px; padding: 12px 16px; border: 1px solid var(--rule-strong); border-left: 4px solid var(--stamp); background: var(--sheet-dim); font-size: 14px; line-height: 1.5; }
.banner .lbl { color: var(--stamp); }
.empty { margin-top: 28px; padding: 40px 32px; background: var(--sheet); border: 1px dashed var(--rule-strong); }
.empty code, .cmd { display: inline-block; margin-top: 12px; padding: 10px 14px; background: var(--ink); color: var(--ink-on-dark); font: 500 14px/1.5 var(--mono); border-radius: 3px; overflow-wrap: anywhere; }
.err { margin-top: 28px; padding: 20px 24px; background: var(--sheet); border: 2px solid var(--stamp); color: var(--stamp); }
.err pre { margin: 8px 0 0; white-space: pre-wrap; font: 400 13px/1.5 var(--mono); color: var(--ink); }
.loading { margin-top: 28px; color: var(--ink-3); font: 500 13px/1.5 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }

/* footer */
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 40px; padding-top: 14px; border-top: 1px solid var(--rule-strong); font: 400 13px/1.5 var(--sans); color: var(--ink-3); }

/* responsive */
@media (max-width: 720px) {
  :root { --gutter: 16px; }
  .wrap { padding-top: 20px; }
  .h1 { font-size: 44px; }
  .h2 { font-size: 24px; }
  .sheet { padding: 20px 18px 22px; }
  .dl { grid-template-columns: minmax(0, 1fr); }
  .dt { padding-bottom: 0; border-bottom: 0; }
  .kpi-v { font-size: 28px; }
  .empty { padding: 24px 18px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }