/* ---- tokens (design 2026-08-30 §6: monochrome navy) ---- */
:root {
  --ink: #0b1e3f; --ink2: #4a5b74; --ink3: #93a0b3;
  --bg: #f6f7f9; --panel: #ffffff; --line: #dde3ea; --tint: #e9edf3;
  --pos: #16a34a; --neg: #dc2626;
  --font: "Inter", -apple-system, "Segoe UI", "Helvetica Neue", sans-serif;
  --radius: 10px;
}
[data-theme="dark"] {
  --ink: #e8edf5; --ink2: #aeb9c9; --ink3: #6f7d92;
  --bg: #0b1220; --panel: #121a2b; --line: #22304a; --tint: #1a2740;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); }
.site a { color: inherit; text-decoration: none; }
.site button { font: inherit; }

/* ---- shell ---- */
.site { min-height: 100vh; }
.topnav { display: flex; justify-content: space-between; align-items: center; padding: 12px 24px;
          border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.topnav .brand { font-weight: 700; font-size: 17px; letter-spacing: -.02em; }
.topnav .links { display: flex; gap: 14px; align-items: center; }
.btn { display: inline-block; border-radius: 8px; padding: 6px 14px; font-size: 12px; font-weight: 600;
       background: var(--ink); color: var(--bg); border: 0; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.page { max-width: 1080px; margin: 0 auto; padding: 22px 24px 60px; }

/* ---- search ---- */
.search { position: relative; }
.search input { border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 8px;
                padding: 7px 12px; width: 240px; font: inherit; font-size: 13px; }
.search.large input { width: 100%; font-size: 16px; padding: 12px 16px; }
.search .hits { position: absolute; left: 0; right: 0; top: 100%; margin: 4px 0 0; padding: 4px 0; list-style: none;
                background: var(--panel); border: 1px solid var(--line); border-radius: 8px; text-align: left;
                box-shadow: 0 6px 20px rgba(11,30,63,.08); z-index: 10; }
.search .hits li { padding: 6px 12px; font-size: 13px; cursor: pointer; }
.search .hits li span { color: var(--ink2); margin-left: 6px; }
.search .hits li.on, .search .hits li:hover { background: var(--tint); }

/* ---- header + grid ---- */
.page .head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 14px; gap: 16px; }
.page .head .tick { font-size: 30px; font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.page .head .name { font-size: 14px; color: var(--ink2); margin-top: 4px; }
.page .head .px { font-size: 22px; font-weight: 600; text-align: right; }
.page .head .px small { font-size: 12px; color: var(--ink2); font-weight: 400; display: block; }
.page .head .px .btn { margin-top: 6px; }
.grid { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.stack { display: flex; flex-direction: column; gap: 16px; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } .page .head { flex-direction: column; align-items: flex-start; } }

/* ---- panels ---- */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.panel + .panel, .grid + .panel { margin-top: 16px; }
.ptitle { font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink3);
          margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center; }
.pills { display: inline-flex; gap: 4px; }
.pill { border-radius: 999px; padding: 2px 10px; font-size: 11px; border: 1px solid var(--line);
        color: var(--ink2); background: var(--bg); cursor: pointer; }
.pill.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.row { display: flex; justify-content: space-between; font-size: 13px; padding: 6px 0; border-bottom: 1px solid var(--line); gap: 8px; }
.row:last-child { border-bottom: 0; }
.row .k { font-weight: 500; } .row .v { color: var(--ink2); white-space: nowrap; }
.tag { font-size: 9px; font-weight: 700; background: var(--ink); color: var(--bg); border-radius: 4px;
       padding: 1px 5px; letter-spacing: .06em; margin-left: 6px; vertical-align: middle; }
.foot { font-size: 12px; color: var(--ink2); margin-top: 8px; line-height: 1.5; }
.foot a { color: inherit; text-decoration: underline; }
.grid-foot { font-size: 12px; color: var(--ink2); line-height: 1.5; margin: 8px 4px 0; max-width: 900px; }
.grid-foot a { color: inherit; text-decoration: underline; }
.grid-foot + .panel { margin-top: 16px; }
.notice { font-size: 13px; color: var(--ink); background: var(--tint); border: 1px solid var(--line); border-radius: 8px;
          padding: 10px 14px; margin-bottom: 14px; line-height: 1.5; }
.topnav .navlink { font-size: 13px; color: var(--ink2); text-decoration: none; }
.topnav .navlink:hover { color: var(--ink); text-decoration: underline; }
.prose h1 { font-size: 26px; letter-spacing: -.02em; margin: 0 0 8px; }
.prose .lede { color: var(--ink2); font-size: 15px; line-height: 1.5; margin: 0 0 18px; max-width: 720px; }
.prose .panel p, .prose .panel li { font-size: 14px; line-height: 1.6; color: var(--ink); max-width: 720px; }
.prose .panel p { margin: 0 0 10px; } .prose .panel p:last-child { margin-bottom: 0; }
.prose .panel ol, .prose .panel ul { padding-left: 22px; margin: 0 0 10px; }
.prose code { font-size: 12.5px; background: var(--tint); padding: 1px 5px; border-radius: 4px; }
.pos { color: var(--pos); } .neg { color: var(--neg); }
.muted { color: var(--ink3); }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; font-size: 11px; color: var(--ink3); font-weight: 600; letter-spacing: .06em;
          text-transform: uppercase; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 8px; border-bottom: 1px solid var(--line); }
.tbl tr:last-child td { border-bottom: 0; }
.skeleton { height: 120px; border-radius: 6px; background: linear-gradient(90deg, var(--tint), var(--panel), var(--tint));
            background-size: 200% 100%; animation: sk 1.2s infinite; }
@keyframes sk { from { background-position: 200% 0; } to { background-position: -200% 0; } }
details.details summary { cursor: pointer; font-size: 12px; color: var(--ink2); }
details.details table { margin-top: 8px; font-variant-numeric: tabular-nums; }

/* ---- graph ---- */
.grid > .panel { display: flex; flex-direction: column; }
.hub { flex: 1; display: flex; align-items: center; }
.hub svg { width: 100%; height: auto; display: block; }
.hub .edge { fill: none; stroke: var(--ink); opacity: .22; transition: stroke-width .2s; }
.hub .edge.neg { stroke: var(--neg); opacity: .45; }
.hub .edge.pos { stroke: var(--pos); opacity: .45; }
.hub .edge.residual { stroke-dasharray: 5 4; opacity: .35; }
.hub .node { fill: var(--panel); stroke: var(--ink); stroke-width: 1.5; transition: r .2s; }
.hub .node.residual { stroke-dasharray: 4 3; fill: var(--bg); }
.hub .node.neg { stroke: var(--neg); }
.hub .centre { fill: var(--ink); }
.hub text { font-family: var(--font); fill: var(--ink); }
.hub .sub { fill: var(--ink3); font-size: 10px; }
.hub a:hover .node { stroke-width: 2.5; }
.hub .tag-new { fill: var(--ink); }
.hub .tag-new + text { fill: var(--bg); font-size: 8px; font-weight: 700; }

/* ---- chart ---- */
.chart svg { width: 100%; height: 180px; display: block; }
.chart .l-actual { stroke: var(--ink); stroke-width: 2; fill: none; }
.chart .l-ex { stroke: var(--ink2); stroke-width: 1.8; fill: none; }
.chart .l-res { stroke: var(--ink3); stroke-width: 1.6; fill: none; stroke-dasharray: 3 3; }
.chart .l-term { stroke: var(--ink2); stroke-width: 1.2; fill: none; opacity: .7; }
.chart .zero { stroke: var(--line); }
.chart .shade.pos { fill: var(--pos); opacity: .10; } .chart .shade.neg { fill: var(--neg); opacity: .10; }
.chart .cross { stroke: var(--ink3); stroke-dasharray: 2 2; }
.chart .tip { position: absolute; pointer-events: none; background: var(--panel); border: 1px solid var(--line);
              border-radius: 6px; padding: 6px 8px; font-size: 12px; box-shadow: 0 4px 12px rgba(11,30,63,.08); }
.legend { display: flex; flex-wrap: wrap; gap: 10px; font-size: 12px; color: var(--ink2); margin-top: 6px; }
.legend label { display: inline-flex; gap: 4px; align-items: center; cursor: pointer; }

/* ---- legacy logged-in UI (/app), unchanged behaviour ---- */
.legacy .app { max-width: 860px; margin: 0 auto; padding: 16px; }
.legacy nav { display: flex; gap: 16px; align-items: baseline; padding: 12px 0; }
.legacy nav .brand { font-weight: 700; font-size: 18px; margin-right: 8px; }
.legacy nav a { cursor: pointer; color: var(--ink2); text-transform: capitalize; }
.legacy nav a.active { color: var(--ink); font-weight: 600; border-bottom: 2px solid var(--ink); }
.legacy .card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 12px; width: 100%; }
.legacy .login { max-width: 340px; margin: 80px auto; display: flex; flex-direction: column; gap: 10px; }
.legacy .login input { padding: 8px; border: 1px solid var(--line); border-radius: 6px; font: inherit; }
.legacy .login button { padding: 8px; background: var(--ink); color: var(--bg); border: 0; border-radius: 6px; cursor: pointer; }
.legacy .login a { font-size: 13px; color: var(--ink2); cursor: pointer; }
.legacy table.card { border-collapse: collapse; }
.legacy th, .legacy td { text-align: right; padding: 6px 10px; }
.legacy th:first-child, .legacy td:first-child { text-align: left; }
.legacy thead th { border-bottom: 1px solid var(--line); color: var(--ink2); font-weight: 600; }
.legacy .pct.up { color: var(--pos); } .legacy .pct.down { color: var(--neg); }
.legacy .muted { color: var(--ink3); }
.legacy .error { color: var(--neg); font-size: 13px; }
.legacy .insight { cursor: pointer; }
.legacy .insight.unread { border-left: 4px solid var(--ink); }
.legacy .insight .news { margin: 4px 0 0; padding-left: 18px; font-size: 13px; }

/* ---- front page (design 2026-08-31 §6) ---- */
.front .tagline { font-size: 15px; color: var(--ink); margin: 4px 0 4px; }
.front .trust { font-size: 12px; color: var(--ink2); margin: 0 0 16px; }
.front .trust a { color: inherit; text-decoration: underline; }
.front .panel + .panel, .front .panel + .grid { margin-top: 16px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.strip .k { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; min-width: 0; }
.strip .kl { display: flex; align-items: center; gap: 4px; min-width: 0; font-size: 12px; font-weight: 600; }
.strip .kl a, .strip .kl > .muted { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.strip .kl .tag { flex: none; }
.strip .kv { font-size: 15px; font-weight: 600; margin-top: 2px; min-height: 18px; }
.strip .ks { font-size: 11px; color: var(--ink3); margin-top: 3px; }
.bar { height: 5px; background: var(--tint); border-radius: 3px; overflow: hidden; margin-top: 4px; }
.bar i { display: block; height: 100%; background: var(--ink); }
.strip .residual .bar i { background: var(--ink3); }
.movers { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.movers .label, .front .label { font-size: 11px; color: var(--ink3); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; margin: 6px 0 2px; }
.movers .tbl td { padding: 6px 4px; }
.movers .num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 3px; background: var(--neg); margin-left: 5px; vertical-align: middle; }
.linkish { background: none; border: 0; padding: 0; color: inherit; text-decoration: underline; cursor: pointer; font-size: inherit; }
@media (max-width: 900px) {
  .grid.two { grid-template-columns: 1fr; }
  .strip { grid-template-columns: repeat(2, 1fr); }
  .movers { grid-template-columns: 1fr; }
}