/* Arb Desk — shared styles for all pages. Tokens first, both themes. */
:root {
  --ground: #f3f5f2;
  --surface: #ffffff;
  --surface-2: #eaeeea;
  --ink: #15201b;
  --muted: #5a6961;
  --line: #d6ddd8;
  --accent: #0e6b60;
  --accent-ink: #ffffff;
  --accent-soft: #dcefeb;
  --good: #1c7445;
  --good-soft: #e1f2e7;
  --warn: #9a6200;
  --warn-soft: #fbf0d9;
  --bad: #b0271f;
  --bad-soft: #fbe4e1;
  --shadow: 0 1px 2px rgb(21 32 27 / 0.06), 0 4px 16px rgb(21 32 27 / 0.05);
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --font-display: "Archivo", "IBM Plex Sans", system-ui, sans-serif;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #0d1311; --surface: #141c19; --surface-2: #1b2521; --ink: #e4ece7; --muted: #93a39b;
    --line: #26332e; --accent: #4cbfae; --accent-ink: #06201c; --accent-soft: #143530;
    --good: #5fcf8e; --good-soft: #13301f; --warn: #e2a93b; --warn-soft: #33270e; --bad: #ff7a6e; --bad-soft: #3a1714;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.4); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ground: #0d1311; --surface: #141c19; --surface-2: #1b2521; --ink: #e4ece7; --muted: #93a39b;
  --line: #26332e; --accent: #4cbfae; --accent-ink: #06201c; --accent-soft: #143530;
  --good: #5fcf8e; --good-soft: #13301f; --warn: #e2a93b; --warn-soft: #33270e; --bad: #ff7a6e; --bad-soft: #3a1714;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.4); color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ground); color: var(--ink);
  font: 15px/1.5 var(--font-body);
  padding-bottom: 64px; /* room for the fixed footer */
}
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; line-height: 1.15; margin: 0; }
h1 { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: 1.15rem; font-weight: 700; }
h3 { font-size: 1.02rem; font-weight: 650; }
.mono, code { font-family: var(--font-mono); font-size: 0.92em; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: 0.86rem; }
.label { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

.wrap { max-width: 1240px; margin: 0 auto; padding-inline: 16px; }

/* ---- top bar ---- */
.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; gap: 16px; padding-block: 10px; flex-wrap: wrap; }
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--ink); }
.brand .mark { font-family: var(--font-mono); font-size: 0.78rem; background: var(--ink); color: var(--ground); padding: 2px 6px; border-radius: 4px; }
nav.pages { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
nav.pages a { text-decoration: none; color: var(--muted); padding: 6px 10px; border-radius: 6px; font-weight: 500; }
nav.pages a[aria-current="page"] { color: var(--ink); background: var(--surface-2); }
.icon-btn { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 8px; padding: 6px 10px; cursor: pointer; font: inherit; }

/* ---- stale banner ---- */
.stale { background: var(--bad); color: #fff; font-weight: 600; }
.stale .wrap { padding-block: 10px; }

/* ---- summary strip ---- */
.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-block: 18px 14px; }
.summary > div { background: var(--surface); padding: 14px 16px; display: grid; gap: 4px; align-content: start; }
.summary .big { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.05; }
.age.fresh .big { color: var(--good); }
.age.aging .big { color: var(--warn); }
.age.old .big { color: var(--bad); }
.refresh-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.btn { border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); font: 600 0.9rem var(--font-body);
  padding: 7px 12px; border-radius: 8px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.small { padding: 4px 9px; font-size: 0.82rem; }
.btn:disabled { opacity: 0.5; cursor: default; }

/* ---- layout: controls + main ---- */
.layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: minmax(0, 1fr); } }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.controls { display: grid; gap: 14px; position: sticky; top: 70px; }
@media (max-width: 900px) { .controls { position: static; } }
.field { display: grid; gap: 4px; }
.field input[type="number"], .field select { font: 500 0.95rem var(--font-body); padding: 7px 9px; border-radius: 7px;
  border: 1px solid var(--line); background: var(--ground); color: var(--ink); width: 100%; }
.field .amount { font: 700 1.3rem var(--font-display); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.check { display: flex; gap: 8px; align-items: center; font-size: 0.92rem; }
details.panel > summary { cursor: pointer; font-weight: 600; }

.notice { border-radius: var(--radius); padding: 10px 14px; margin-bottom: 12px; font-size: 0.92rem; }
.notice.warn { background: var(--warn-soft); color: var(--ink); border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent); }
.notice.bad { background: var(--bad-soft); border: 1px solid color-mix(in srgb, var(--bad) 40%, transparent); }
.notice.info { background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); }

.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 22px 0 10px; flex-wrap: wrap; }

/* ---- opportunity cards (minimal, collapsible) ---- */
:root { --radius-card: 14px; }
.grid { display: grid; gap: 10px; }
.leg-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }

.ocard { background: var(--surface); border: 0.5px solid var(--line); border-radius: var(--radius-card); box-shadow: none; }
.ocard.stale-card { opacity: 0.75; }
.ocard-head { display: flex; align-items: center; gap: 12px; padding: 14px 18px; cursor: pointer; list-style: none; }
.ocard-head::-webkit-details-marker { display: none; }
.ocard-chev { color: var(--muted); font-size: 0.8rem; transition: transform 0.15s; flex: none; }
.ocard[open] > .ocard-head .ocard-chev { transform: rotate(90deg); }
.ocard-left { display: grid; gap: 5px; flex: 1; min-width: 0; }
.ocard-title { font: 600 1rem var(--font-body); color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ocard-sub { font-size: 0.85rem; color: var(--muted); }
.ocard-expiry { color: var(--ink); font-weight: 700; }
.ocard-right { text-align: right; flex: none; }
.ocard-apy { font: 700 1.6rem/1.1 var(--font-mono); color: var(--ink); font-variant-numeric: tabular-nums; }
.ocard-apy-label { font-size: 0.72rem; color: var(--muted); }
.ocard-body { padding: 0 18px 16px; display: grid; gap: 12px; }

.vpill { display: inline-flex; align-items: center; gap: 2px; font: 600 0.78rem var(--font-body); padding: 3px 10px; border-radius: 999px; justify-self: start; width: fit-content; }
.vpill.worth { background: var(--good-soft); color: var(--good); }
.vpill.marginal { background: var(--warn-soft); color: var(--warn); }
.vpill.not { background: var(--bad-soft); color: var(--bad); }

.ocard-legs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 10px; }
.legbox { border: 0.5px solid var(--line); border-radius: 10px; padding: 10px 12px; display: grid; gap: 4px; background: var(--surface-2); }
.legbox-top { display: flex; justify-content: space-between; align-items: center; }
.legbox-name { font-size: 0.88rem; }
.legbox-cost { font: 700 1.05rem var(--font-mono); }
.ocard-stats { display: flex; gap: 20px; }
.ocard-stats .label { display: block; font-size: 0.72rem; color: var(--muted); }
.ocard-stats .v { font: 700 1rem var(--font-mono); }
.ocard-stats .v.pos { color: var(--good); }
.ocard-links { display: flex; gap: 8px; flex-wrap: wrap; }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); background: var(--surface-2); }
tr:last-child td { border-bottom: 0; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: var(--muted); }
.dot.ok { background: var(--good); } .dot.err { background: var(--bad); } .dot.live { background: var(--accent); }

/* tooltip */
.tip { display: inline-grid; place-items: center; width: 17px; height: 17px; margin-left: 4px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--surface-2); color: var(--muted); font: 700 11px var(--font-body); cursor: help; padding: 0; vertical-align: 1px; }
#tip-pop { position: fixed; z-index: 50; max-width: 300px; background: var(--ink); color: var(--ground); padding: 9px 11px;
  border-radius: 8px; font-size: 0.84rem; line-height: 1.45; box-shadow: var(--shadow); pointer-events: none; }

/* footer */
.footer { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: var(--ink); color: var(--ground);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px)); text-align: center; font-weight: 600; font-size: 0.9rem; }

/* prose pages */
.prose { max-width: 760px; }
.prose p, .prose li { max-width: 68ch; }
.prose h2 { margin-top: 34px; margin-bottom: 8px; }
.prose h3 { margin-top: 20px; margin-bottom: 6px; }
.prose .example { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 8px; padding: 12px 16px; }
.prose .status { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); }
.empty { padding: 26px; text-align: center; background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius); }

table.legs { font-size: 0.86rem; }
table.legs td, table.legs th { padding: 5px 10px; vertical-align: middle; }
@media (max-width: 600px) {
  .summary > div:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .topbar .wrap { gap: 8px; }
  nav.pages { margin-left: 0; order: 3; width: 100%; }
  #theme-btn { margin-left: auto; }
}
details.filters > summary { cursor: pointer; }
details.filters[open] > summary { margin-bottom: 10px; }

.side-bet { font: 700 0.75rem var(--font-mono); padding: 2px 8px; border-radius: 4px; border: 1px solid var(--line); }
.side-bet.yes { color: var(--accent); border-color: var(--accent); }
.side-bet.no { color: var(--ink); background: var(--surface-2); }
.side-bet.spread { color: var(--warn); border-color: var(--warn); }
.side-what { font-size: 0.93rem; }
.side-pays { font-weight: 600; color: var(--accent); font-size: 0.9rem; }
td.pos { color: var(--good); } td.neg { color: var(--bad); }
table.outcomes td { vertical-align: top; }
.near-legs { margin: 6px 0 0; padding-left: 1.1em; font-size: 0.84rem; }
.near-legs li { margin: 2px 0; }

/* Kalshi vs options single bets */
.bets { display: grid; gap: 10px; }
.bet { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.bet[open] { padding-bottom: 4px; }
.bet-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: center; padding: 12px 16px; cursor: pointer; list-style: none; }
.bet-head::-webkit-details-marker { display: none; }
.bet-head::after { content: '▸'; color: var(--muted); font-size: 0.85rem; margin-left: 4px; transition: transform 0.15s; }
.bet[open] > .bet-head::after { transform: rotate(90deg); }
.bet-title { display: grid; gap: 2px; min-width: 220px; flex: 1; }
.bet-name { font-weight: 600; }
.bet-sum { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.bet-probs { display: flex; gap: 10px; font-size: 0.85rem; white-space: nowrap; color: var(--muted); }
.bet-probs b { color: var(--ink); }
.bet-edge { font: 700 0.95rem var(--font-mono); white-space: nowrap; }
.bet-edge.pos { color: var(--good); }
.bet-body { display: grid; gap: 10px; padding: 0 16px 14px; }
.bet-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.bet-steps li { border-left: 3px solid var(--accent); padding: 4px 0 4px 12px; display: grid; gap: 4px; }
.bet-steps li:nth-child(2) { border-left-color: var(--line); }
.step-tag { font: 700 0.72rem var(--font-body); letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); }
.bet-result { background: var(--surface-2); border-radius: 8px; padding: 8px 12px; display: grid; gap: 4px; font-size: 0.9rem; }
.bet-result .pos { color: var(--good); }
.bet-verdict-line { font-size: 0.95rem; padding-bottom: 2px; margin-bottom: 2px; border-bottom: 1px solid var(--line); }