/* Brand fonts, self-hosted (no CDN, no web-font link): Space Grotesk for headings, Inter for the rest. */
@font-face { font-family: "Inter"; src: url("fonts/inter-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url("fonts/space-grotesk-latin-wght-normal.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }

/* Bhoomi (web/design/09-rework.md). Light is the default; every dark colour hangs off :root[data-theme="dark"],
   which web/prefs.js sets before first paint. Nothing here uses prefers-color-scheme. */
:root {
  color-scheme: light;
  --bg: #F6F6F3; --surface: #FFFFFF; --ink: #141414; --ink-2: #5A5A5A; --line: #E3E3DE; --hairline: #E3E3DE;
  --accent: #D4620A; --focus: #141414; --chart-faint: #767676;
  --risk-high: #D4620A; --risk-high-ink: #111111; --risk-mod: #F6DCC9; --risk-mod-ink: #6B3305; --risk-low: #E9E9E6; --risk-low-ink: #333333;
  --advice-bg: #FDF3EC; --advice-ink: #7A3A06; --advice-mod-bg: #FEF8F3; --advice-mod-line: #E8B792; --advice-low-bg: #F2F2EF; --advice-low-line: #BDBDB8;
  --p1: #1B3F73; --p2: #7A5195; --p3: #2A9D8F; --p4: #8C6D31; --p5: #4E79A7; --p6: #9A9A9A;
  --s1: 4px; --s2: 8px; --s4: 16px; --s5: 24px; --s6: 32px; --s7: 48px;
  --map-h: 440px;
  /* data colours: trend line, band and year-stripe ramp, per verdict */
  --up-bg: #D4620A; --up-tx: #111111;
  --up-1: #F2D0B5; --up-2: #EBB48B; --up-3: #E39960; --up-4: #DC7D35; --up-5: #D4620A;
  --dn-bg: #1B3F73; --dn-tx: #FFFFFF;
  --dn-1: #BBC5D5; --dn-2: #93A4BC; --dn-3: #6B82A4; --dn-4: #43618C; --dn-5: #1B3F73;
  --nc-bg: #6B6B6B; --nc-tx: #FFFFFF;
  --nc-1: #D3D3D3; --nc-2: #B9B9B9; --nc-3: #9F9F9F; --nc-4: #858585; --nc-5: #6B6B6B;
  --font-head: "Space Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0F1113; --surface: #181B1E; --ink: #F2F2F2; --ink-2: #B4B8BC; --line: #2E3338; --hairline: #2E3338;
  --accent: #F2A04E; --focus: #FFFFFF; --chart-faint: #8C8C8C;
  --risk-high: #F2A04E; --risk-high-ink: #111111; --risk-mod: #5C3A1D; --risk-mod-ink: #F6DCC9; --risk-low: #2B2F33; --risk-low-ink: #D5D8DB;
  --advice-bg: #2A2118; --advice-ink: #F2C9A3; --advice-mod-bg: #231E19; --advice-mod-line: #8A5A33; --advice-low-bg: #1F2326; --advice-low-line: #565B60;
  --p1: #6BA8F0; --p2: #B993DB; --p3: #4CC2B2; --p4: #D2A860; --p5: #86AEDB; --p6: #A8ACB0;
  --up-bg: #F2A04E; --up-tx: #111111;
  --up-1: #644526; --up-2: #885C30; --up-3: #AB723A; --up-4: #CF8944; --up-5: #F2A04E;
  --dn-bg: #2F6FC4; --dn-tx: #FFFFFF;
  --dn-1: #314863; --dn-2: #3F6086; --dn-3: #4E78AA; --dn-4: #5C90CD; --dn-5: #6BA8F0;
  --nc-bg: #BDBDBD; --nc-tx: #111111;
  --nc-1: #505050; --nc-2: #6B6B6B; --nc-3: #868686; --nc-4: #A2A2A2; --nc-5: #BDBDBD;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; font-variant-numeric: tabular-nums; }
h1, h2, h3, .brand { font-family: var(--font-head); line-height: 1.2; margin: 0; }
p { margin: 0 0 var(--s4); max-width: 70ch; }
a { color: var(--ink); text-underline-offset: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
:focus:not(:focus-visible) { outline: none; }
h1[tabindex="-1"]:focus, h2[tabindex="-1"]:focus, h3[tabindex="-1"]:focus, #rec :focus { outline: none; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: var(--s2); top: -64px; background: var(--surface); color: var(--ink); border: 2px solid var(--ink); padding: var(--s2) var(--s4); border-radius: 8px; z-index: 30; }
.skip:focus { top: var(--s2); }

/* shared pieces: buttons, labels, segmented controls, risk chips, cards */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; border: 1px solid var(--ink); background: var(--surface); color: var(--ink);
  border-radius: 8px; padding: 0 14px; font: 500 14px "Inter", system-ui, sans-serif; cursor: pointer; text-decoration: none; }
.btn.dark { background: var(--ink); color: var(--bg); }
.btn.ghost { border-color: var(--line); }
.btn[aria-disabled="true"] { opacity: .6; cursor: default; }
.lbl { font-size: 12px; font-weight: 600; letter-spacing: .4px; text-transform: uppercase; color: var(--ink-2); margin-bottom: var(--s2); }
.seg { display: flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button, .seg span { flex: 1; min-height: 40px; border: 0; background: none; padding: 7px 4px; text-align: center; font: inherit; font-size: 13px; color: var(--ink-2); cursor: pointer; }
.seg .on { background: var(--ink); color: var(--bg); }
.risk { display: inline-block; font-size: 11.5px; font-weight: 600; border-radius: 999px; padding: 3px 9px; white-space: nowrap; }
.risk.high { background: var(--risk-high); color: var(--risk-high-ink); }
.risk.moderate { background: var(--risk-mod); color: var(--risk-mod-ink); }
.risk.low, .risk.unknown { background: var(--risk-low); color: var(--risk-low-ink); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; }
.help, .hint { font-size: 12.5px; color: var(--ink-2); margin: 0; }
.help:empty { display: none; }
.source { font-size: 14px; color: var(--ink-2); }
.srcline { margin: 0; }
.srclink { color: var(--ink); }
span.srclink { color: var(--ink-2); }
.src-label { color: var(--ink-2); }

/* top bar */
.top { height: 64px; background: var(--surface); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 28px; padding: 0 32px; position: sticky; top: 0; z-index: 10; }
.brand { font-weight: 700; font-size: 20px; letter-spacing: -.2px; margin-right: 12px; white-space: nowrap; }
.nav { display: flex; gap: 4px; height: 100%; min-width: 0; }
.nav a { display: flex; align-items: center; padding: 0 14px; font-weight: 500; color: var(--ink-2); border-bottom: 3px solid transparent; text-decoration: none; white-space: nowrap; }
.nav a.act { color: var(--ink); border-bottom-color: var(--ink); }
.top .right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.ai-label { display: inline-block; margin: 0; font-size: 12px; border: 1px solid var(--line); border-radius: 6px; padding: 3px 8px; color: var(--ink-2); white-space: nowrap; }
#settings-link[aria-current="page"] { border-color: var(--ink); }

/* the measurement window: sidebar and main */
.shell { display: grid; grid-template-columns: 320px minmax(0, 1fr); min-height: calc(100vh - 64px); }
.side { background: var(--surface); border-right: 1px solid var(--line); padding: 24px 20px; display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.side .lbl { margin: 0; }
.search { position: relative; display: flex; align-items: center; gap: 8px; border: 1.5px solid var(--ink); border-radius: 10px; padding: 0 12px; background: var(--surface); }
.search:focus-within { outline: 3px solid var(--focus); outline-offset: 2px; }
.search .mag { color: var(--ink-2); }
.search input { flex: 1; min-width: 0; min-height: 44px; border: 0; background: none; outline: none; padding: 0; font: inherit; font-size: 15px; color: var(--ink); }
.search input::placeholder { color: var(--ink-2); opacity: 1; }
#place-list { position: absolute; z-index: 20; left: -1.5px; right: -1.5px; top: calc(100% + 4px); margin: 0; padding: 0; list-style: none; max-height: 296px; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--ink); border-radius: 10px; }
.opt { display: block; min-height: 56px; padding: var(--s2) var(--s4); cursor: pointer; border-top: 1px solid var(--line); }
.opt:first-child { border-top: 0; }
.opt-name { display: block; line-height: 24px; }
.opt-sub { display: block; font-size: 14px; line-height: 20px; color: var(--ink-2); }
.opt[aria-selected="true"], .opt:hover { background: var(--bg); box-shadow: inset 4px 0 0 var(--ink); }

.pins { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; }
.pinrow { position: relative; }
.pin { display: grid; grid-template-columns: 10px minmax(0, 1fr) auto; gap: 10px; align-items: center; width: 100%; text-align: left; color: var(--ink);
  border: 1px solid transparent; background: none; border-radius: 10px; padding: 9px 10px; font: inherit; cursor: pointer; }
.pin.on { border-color: var(--ink); background: var(--bg); }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.sel { background: var(--ink); }
.dot.s0 { background: var(--p1); } .dot.s1 { background: var(--p2); } .dot.s2 { background: var(--p3); }
.dot.s3 { background: var(--p4); } .dot.s4 { background: var(--p5); } .dot.s5 { background: var(--p6); }
.pn { min-width: 0; }
.pn b { display: block; font-weight: 600; font-size: 14px; }
.pn small { display: block; color: var(--ink-2); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* Remove takes no layout width: it sits at the row's top right, shown on hover or focus (always on touch screens) */
.rm { position: absolute; top: -8px; right: -8px; z-index: 1; width: 20px; height: 20px; padding: 0; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); font-size: 14px; line-height: 1; cursor: pointer; border-radius: 50%; opacity: 0; }
.pinrow:hover .rm, .pinrow:focus-within .rm, .rm:focus-visible, .pins.show-rm .rm { opacity: 1; }
.rm:hover { color: var(--ink); background: var(--bg); }
@media (hover: none) { .rm { opacity: 1; width: 24px; height: 24px; top: -10px; right: -10px; } }

.main { padding: 24px 32px 120px; display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.ph h1 { font-size: 30px; letter-spacing: -.4px; }
.ph p { margin: 4px 0 0; color: var(--ink-2); font-size: 15.5px; max-width: none; }
.status-line { margin: 0; font-weight: 600; }
.row { display: grid; grid-template-columns: minmax(440px, 1fr) 1.15fr; gap: 20px; }
.map-slot { min-width: 0; min-height: 440px; position: relative; }

/* the recommendation card */
.rec h2 { font-size: 22px; }
.rec .where { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.rec .src { color: var(--ink-2); font-size: 13px; margin-top: 2px; }
.rec .src a { color: var(--ink-2); }
.rec .big { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 10px; font-family: var(--font-head); font-size: 44px; font-weight: 700; line-height: 1.15; margin: 18px 0 4px; }
.rec .big small { font-size: 18px; font-weight: 600; color: var(--ink-2); white-space: nowrap; }
/* loading bar in the recommendation card: thin, full width, ink on the line colour */
progress { display: block; appearance: none; -webkit-appearance: none; width: 100%; height: 6px; margin: 12px 0; border: 0; border-radius: 3px; overflow: hidden; background: var(--line); color: var(--ink); }
progress::-webkit-progress-bar { background: var(--line); }
progress::-webkit-progress-value { background: var(--ink); }
progress::-moz-progress-bar { background: var(--ink); }
.rec .say { font-size: 16.5px; margin: 6px 0 14px; max-width: none; }
.advice { border-left: 4px solid var(--accent); background: var(--advice-bg); border-radius: 6px; padding: 12px 14px; margin: 0 0 14px; }
.advice.moderate { border-left-color: var(--advice-mod-line); background: var(--advice-mod-bg); }
.advice.low, .advice.unknown { border-left-color: var(--advice-low-line); background: var(--advice-low-bg); }
.advice b { display: block; font-size: 12px; letter-spacing: .4px; text-transform: uppercase; color: var(--advice-ink); margin-bottom: 3px; }
.facts2 { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 0 0 16px; }
.facts2 div { flex: 0 1 auto; max-width: 100%; font-size: 13px; color: var(--ink-2); }
.facts2 b { display: block; color: var(--ink); font-size: 15px; overflow-wrap: break-word; }
.acts { display: flex; gap: 10px; flex-wrap: wrap; }
.disc { font-size: 12px; color: var(--ink-2); margin: 14px 0 0; border-top: 1px solid var(--line); padding-top: 10px; max-width: none; }

/* below: foot line, settings window */
.foot { font-size: 12px; color: var(--ink-2); }
.foot p { margin: 0 0 var(--s2); max-width: none; }
.foot a { color: var(--ink-2); }
.foot ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--s1) var(--s4); }
.settings-wrap { min-height: calc(100vh - 64px); }

/* the "How we calculated this" dialog */
dialog { border: 1px solid var(--line); border-radius: 14px; padding: 0; width: min(960px, calc(100vw - 32px)); max-height: calc(100vh - 48px); background: var(--surface); color: var(--ink); overflow: auto; }
dialog::backdrop { background: rgba(20, 20, 20, .55); }
.dlg-head { display: flex; justify-content: space-between; align-items: center; gap: var(--s4); padding: var(--s4) var(--s5); border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--surface); z-index: 2; }
.dlg-head h2 { font-size: 20px; }
.dlg-body { padding: var(--s4) var(--s5) var(--s5); display: flex; flex-direction: column; gap: var(--s5); min-width: 0; }
.how-place { margin: 0; font-weight: 600; }
.how-part h3 { margin: 0 0 var(--s2); font-size: 16px; line-height: 24px; font-weight: 700; }
.how-part p, .how-part ul { margin: 0 0 var(--s2); }
.how-part > :last-child { margin-bottom: 0; }
.how-part ul { padding-left: var(--s5); }
#noise-slot h3 { margin: 0 0 var(--s2); font-size: 16px; line-height: 24px; font-weight: 700; }

/* chart (drawn by app.js) */
figure { margin: 0; }
.chart-head { font-family: var(--font-head); font-size: 16px; line-height: 24px; font-weight: 700; margin: 0; max-width: none; }
#chart-source { display: flex; flex-wrap: wrap; align-items: center; gap: 0 var(--s2); }
#chart-source:empty { display: none; }
#chart-source .source { line-height: 20px; }
#chart-box { margin-top: var(--s4); }
#chart-box svg { display: block; width: 100%; height: auto; touch-action: pan-y; }
#chart-box svg:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.readout { min-height: 40px; margin: var(--s2) 0 0; font-size: 14px; line-height: 20px; color: var(--ink-2); }
.readout.sel { font-weight: 700; }
.note { font-size: 14px; line-height: 20px; color: var(--ink-2); margin: var(--s2) 0 0; }
.legend { display: flex; flex-wrap: wrap; gap: var(--s2) var(--s5); margin: var(--s2) 0 0; font-size: 14px; }
.legend-label { margin: 0 0 var(--s1); color: var(--ink-2); font-size: 14px; line-height: 20px; }
.legend ul { list-style: none; display: grid; grid-template-columns: 1fr; gap: var(--s2) var(--s4); padding: 0; margin: 0; }
@media (min-width: 600px) { .legend ul { grid-template-columns: 1fr 1fr; } }
.legend li { display: flex; align-items: center; gap: var(--s2); }
.s-raw { stroke: var(--chart-faint); stroke-width: 1; fill: none; }
.s-des { stroke: var(--chart-faint); stroke-width: 1; fill: none; }
.s-year { fill: var(--ink); stroke: none; }
.s-trend { stroke: var(--v-bg, var(--ink)); stroke-width: 3.5; fill: none; }
.s-fan { fill: var(--v-bg, var(--ink)); fill-opacity: .22; stroke: none; }
.s-edge { stroke: var(--v-bg, var(--ink)); stroke-width: 1.5; stroke-dasharray: 2 3; fill: none; }
.c-grid { stroke: var(--hairline); stroke-width: 1; }
.c-zero { stroke: var(--ink-2); stroke-width: 1.5; stroke-dasharray: 6 4; }
.c-rule { stroke: var(--ink); stroke-width: 1; }
.c-text { fill: var(--ink-2); }
.c-title { fill: var(--ink); font-weight: 700; }

/* facts list, table, details */
dl { margin: 0; }
.facts { display: block; margin: 0; }
.facts > div { display: flex; justify-content: space-between; align-items: center; gap: var(--s4); min-height: 48px; border-top: 1px solid var(--hairline); }
.facts dt { font-weight: 400; color: var(--ink-2); }
.facts dd { margin: 0; text-align: right; }
details { margin-top: 0; }
summary { cursor: pointer; min-height: 48px; display: flex; align-items: center; font-weight: 600; }
#table-details > summary::-webkit-details-marker { display: none; }
.mark { display: inline-block; width: 24px; font-size: 16px; flex: none; color: var(--ink-2); }
.mark::before { content: '\25B8'; }
details[open] > summary .mark::before { content: '\25BE'; }
.table-scroll { max-height: 320px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
caption { text-align: left; padding: var(--s2); font-size: 14px; color: var(--ink-2); }
th, td { text-align: left; padding: var(--s1) var(--s2); border-bottom: 1px solid var(--line); }
thead th { position: sticky; top: 0; background: var(--surface); }

/* Year stripes, in the dialog (mount #year-stripes) */
.sc-stripes { display: block; width: 100%; height: 28px; border-radius: 4px; }
.sc-stripe, .sc-stripe-key { fill: var(--v-3, var(--ink)); } /* the real fill is set from the ramp */
.sc-ends { display: flex; justify-content: space-between; font-size: 14px; color: var(--ink-2); margin-top: 2px; }
.sc-key { display: flex; flex-wrap: wrap; gap: var(--s2) var(--s5); list-style: none; padding: 0; margin: var(--s2) 0 0; font-size: 14px; }
.sc-key li { display: flex; align-items: center; gap: var(--s2); }
.sc-sw { flex: none; outline: 1px solid var(--line); border-radius: 2px; }
.stripes .source { margin: var(--s1) 0 0; }
[data-verdict="rising"]  { --v-bg: var(--up-bg); --v-tx: var(--up-tx); --v-1: var(--up-1); --v-2: var(--up-2); --v-3: var(--up-3); --v-4: var(--up-4); --v-5: var(--up-5); }
[data-verdict="falling"] { --v-bg: var(--dn-bg); --v-tx: var(--dn-tx); --v-1: var(--dn-1); --v-2: var(--dn-2); --v-3: var(--dn-3); --v-4: var(--dn-4); --v-5: var(--dn-5); }
[data-verdict="none"]    { --v-bg: var(--nc-bg); --v-tx: var(--nc-tx); --v-1: var(--nc-1); --v-2: var(--nc-2); --v-3: var(--nc-3); --v-4: var(--nc-4); --v-5: var(--nc-5); }

/* narrower windows: the sidebar stacks above the main column, the nav scrolls sideways */
@media (max-width: 1179px) { .row { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 899px) {
  .top { height: auto; flex-wrap: wrap; gap: var(--s2) var(--s4); padding: var(--s2) var(--s4); }
  .brand { margin-right: 0; }
  .top .right { order: 2; }
  .nav { order: 3; width: 100%; height: 48px; overflow-x: auto; }
  .shell { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .side { border-right: 0; border-bottom: 1px solid var(--line); }
  .main { padding: var(--s4) var(--s4) 120px; }
  .card { padding: var(--s4); }
  .rec .big { font-size: 36px; }
  .map-slot { min-height: 320px; }
}

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }
@media print {
  .top, .side, #map-slot, #chat-slot { display: none; }
  .shell { display: block; }
}
@media (forced-colors: active) {
  .sc-stripes, .sc-sw { forced-color-adjust: none; } /* the ramp is the only thing that orders the years; the key words stay */
}

/* the 404 page (web/404.html) */
.wrap { max-width: 960px; margin: 0 auto; padding: 0 var(--s4); }
header:not(.top) { padding: var(--s4) 0 0; }
.title-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--s2) var(--s4); }
.nf-h { margin-top: var(--s5); }
.nf-link { margin-top: var(--s4); }