/* QuantRank500 — Google-packaging style (spec §9).
   Black, grays, white. Green for wins only, red for losses only.
   No gradients, no shadows, no decoration. */

:root {
  --bg: #ffffff;
  --ink: #202124;
  --ink-strong: #000000;
  --gray: #5f6368;
  --gray-light: #9aa0a6;
  --line: #dadce0;
  --paper: #f8f9fa;
  --win: #188038;
  --loss: #c5221f;
}

/* dark palette: system preference, unless the user chose explicitly */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #202124; --ink: #e8eaed; --ink-strong: #ffffff;
    --gray: #9aa0a6; --gray-light: #80868b;
    --line: #3c4043; --paper: #2a2b2e;
    --win: #81c995; --loss: #f28b82;
  }
}
:root[data-theme="dark"] {
  --bg: #202124; --ink: #e8eaed; --ink-strong: #ffffff;
  --gray: #9aa0a6; --gray-light: #80868b;
  --line: #3c4043; --paper: #2a2b2e;
  --win: #81c995; --loss: #f28b82;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

main { max-width: 640px; margin: 0 auto; padding: 24px 16px 64px; }

header.site {
  border-bottom: 1px solid var(--line);
  padding: 16px;
  /* stays visible while scrolling; the border is the only separator (no shadows) */
  position: sticky; top: 0;
  background: var(--bg);
  z-index: 5;
}
header.site nav {
  /* wider than the 640px reading column so six full labels fit on one line */
  max-width: 860px; margin: 0 auto;
  display: flex; gap: 16px; align-items: baseline;
  font-size: 0.95rem;
}
header.site .brand {
  font-weight: 600; color: var(--ink);
  display: flex; align-items: center; gap: 8px;
}
header.site .brand small {
  display: block; font-size: 0.65rem; font-weight: 500;
  color: var(--gray-light); letter-spacing: 0.04em;
}
/* the mark: theme-aware via tokens, so one SVG serves both palettes */
.mark { width: 20px; height: 20px; flex: none; }
.mark rect { fill: var(--ink); }
.mark text { fill: var(--bg); font-family: inherit; }
.env-badge {
  position: fixed; top: 8px; right: 8px; z-index: 10;
  border: 2px solid var(--gray); border-radius: 6px;
  color: var(--gray); background: var(--paper);
  font-size: 1.05rem; font-weight: 700; letter-spacing: 0.1em;
  padding: 6px 16px;
}
/* three quiet lines below the pinned nav; scrolls away with the page */
.info-strip {
  border-bottom: 1px solid var(--line);
  padding: 10px 16px;
  color: var(--gray-light); font-size: 0.8rem; line-height: 1.7;
}
.info-strip .info-inner { max-width: 860px; margin: 0 auto; }
.info-strip a { color: var(--gray); text-decoration: none; }
.info-strip a:hover { color: var(--ink); }
header.site a { color: var(--gray); text-decoration: none;
                padding-bottom: 4px; border-bottom: 2px solid transparent; }
header.site a:hover { color: var(--ink); }
header.site a.active { color: var(--ink); border-bottom-color: var(--ink); }

h1 { font-size: 1.4rem; font-weight: 600; margin: 24px 0 8px; }
h2 { font-size: 1.05rem; font-weight: 600; margin: 32px 0 8px; }
p.note { color: var(--gray); font-size: 0.9rem; }
/* trailing small print sits clearly apart so the last content section keeps its punch */
p.small-print { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); }
/* a light separation: space + thin rule above */
p.divided { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line); }

form.card, .card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  margin: 16px 0;
}

label { display: block; font-size: 0.85rem; color: var(--gray); margin: 16px 0 4px; }
input {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 4px;
  font-size: 1rem; color: var(--ink); background: var(--bg);
}
input:focus { outline: 2px solid var(--ink); border-color: var(--ink); }

button {
  margin-top: 24px; padding: 10px 24px;
  background: var(--ink); color: var(--bg);
  border: none; border-radius: 4px;
  font-size: 1rem; cursor: pointer;
}
button:hover { background: var(--ink-strong); }
button.small { margin-top: 8px; margin-right: 8px; padding: 6px 14px; font-size: 0.85rem; }
textarea {
  width: 100%; min-height: 90px; padding: 10px 12px;
  border: 1px solid var(--line); border-radius: 4px;
  color: var(--ink); background: var(--bg);
  font-family: ui-monospace, Consolas, monospace; font-size: 0.85rem;
}

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th { text-align: left; color: var(--gray); font-weight: 500;
     border-bottom: 1px solid var(--line); padding: 8px; }
td { border-bottom: 1px solid var(--paper); padding: 8px; }
tr.pending td { color: var(--gray-light); }

.win  { color: var(--win); }
.loss { color: var(--loss); }
td .sub { display: block; font-size: 0.78rem; color: var(--gray-light); }
.identicon { vertical-align: -3px; margin-right: 6px; border-radius: 2px; }
.suffix { color: var(--gray-light); font-size: 0.85em; }
a.download {
  display: inline-block; margin-top: 8px; padding: 6px 14px;
  background: var(--ink); color: var(--bg); border-radius: 4px;
  font-size: 0.85rem; text-decoration: none;
}
a.download:hover { background: var(--ink-strong); }

/* Scoreboard: the board ranks by two numbers; supporting columns live behind More */
#board .extra { display: none; }
#board.show-more .extra { display: table-cell; }
#board.show-more .collapsed-only { display: none; }
button.toggle {
  background: none; border: none; color: var(--gray); cursor: pointer;
  font-size: 0.85rem; font-weight: 500; padding: 0; margin: 0;
  white-space: nowrap;
}
button.toggle:hover { color: var(--ink); background: none; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 0.85rem; }
.result-box { margin-top: 16px; padding: 12px; background: var(--paper);
              border-radius: 4px; font-size: 0.9rem; overflow-wrap: anywhere; }
.error { color: var(--loss); }

footer.freshness {
  max-width: 640px; margin: 48px auto 0; padding: 16px;
  border-top: 1px solid var(--line);
  color: var(--gray-light); font-size: 0.8rem;
}
.footer-links {
  margin-top: 10px; padding-top: 10px;
  border-top: 1px solid var(--paper);
}
.footer-links a { color: var(--gray); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }
/* big quiet names, page-end signature style; colorless until hovered */
.supporters {
  margin-top: 26px; padding-top: 22px;
  border-top: 1px solid var(--line);
  text-align: center;
}
.supporters-label {
  display: block; margin-bottom: 12px;
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gray-light);
}
.supporters a {
  display: inline-block; margin: 0 20px;
  color: var(--gray-light); font-size: 1.3rem; font-weight: 700;
  letter-spacing: 0.01em; text-decoration: none;
}
.supporters a:hover { color: var(--ink); }

/* the qualification bar, made visible: ranked above the line, pending below */
tr.qual-bar td { border-bottom: none; padding: 20px 0 0; }
tr.qual-bar .bar { border-top: 2px solid var(--gray); padding: 12px 0 12px; }
tr.qual-bar span { font-size: 0.75rem; color: var(--gray-light); letter-spacing: 0.03em; }
tr.qual-bar .qual-title { color: var(--gray); font-weight: 600; font-size: 0.85rem; }

/* glossary: hairlines chunk the definitions for scanning */
main.ruled h2:not(:first-of-type) { border-top: 1px solid var(--line); padding-top: 20px; }

/* wide tables scroll inside their container instead of breaking the page (phones) */
#board, #quarterly, #signals, .card { overflow-x: auto; }

/* phones: the fixed badge would cover the nav links — dock it bottom-left,
   smaller but still always on screen; keep the nav clear of the toggle */
@media (max-width: 640px) {
  .env-badge {
    top: auto; bottom: 12px; left: 12px; right: auto !important;
    font-size: 0.75rem; padding: 3px 10px; border-width: 1.5px;
  }
  header.site nav { padding-right: 44px; flex-wrap: wrap; row-gap: 4px; }
}

button.theme-toggle {
  position: fixed; top: 8px; right: 8px; z-index: 10;
  margin: 0; padding: 2px 9px; font-size: 0.85rem; line-height: 1.4;
  background: var(--paper); color: var(--gray);
  border: 1px solid var(--gray); border-radius: 4px; cursor: pointer;
}
button.theme-toggle:hover { color: var(--ink); background: var(--paper); }
.env-badge { right: 56px; }

/* --- the entrance: orientation before action --- */

.hero { text-align: center; padding: 52px 0 36px; }
.hero .mark { width: 44px; height: 44px; }
.hero h1 {
  font-size: 1.65rem; line-height: 1.3; margin: 20px 0 10px;
  letter-spacing: -0.01em; text-wrap: balance;
}
.hero .sub { color: var(--gray); margin: 0 0 30px; }

.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 10px 22px; border-radius: 6px;
  font-weight: 600; font-size: 0.95rem; text-decoration: none;
  border: 1px solid var(--ink);
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--ink-strong); border-color: var(--ink-strong); color: var(--bg); }
.btn-ghost { color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--paper); color: var(--ink); }

.steps {
  list-style: none; margin: 44px 0 28px; padding: 28px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.steps li { padding: 0 4px; }
.steps .step-n {
  color: var(--gray-light); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em;
}
.steps h2 { margin: 8px 0 6px; font-size: 1rem; }
.steps p { margin: 0; color: var(--gray); font-size: 0.88rem; line-height: 1.55; }
@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; gap: 20px; }
  .hero { padding-top: 36px; }
  .hero h1 br { display: none; }
}

.live-strip {
  text-align: center; color: var(--gray); font-size: 0.9rem;
  min-height: 1.5em; margin: 0 0 28px; font-variant-numeric: tabular-nums;
}
.hero-close { text-align: center; margin: 0 0 10px; }
p.note.hero-close { color: var(--gray); }

header.site a.brand { border-bottom: none; padding-bottom: 0; }

/* --- craft pass: detail spent only where the eye rests --- */

/* underlines that respect descenders */
a { text-underline-offset: 3px; }

/* keyboard users get a door; everyone else never sees it */
.skip {
  position: absolute; left: -9999px; top: 8px; z-index: 100;
  background: var(--bg); color: var(--ink);
  padding: 8px 14px; border: 1px solid var(--ink); border-radius: 4px;
}
.skip:focus { left: 12px; }

/* commitments copy on click — verification starts with copying */
.copyable { cursor: pointer; }

/* the story's one piece of evidence: a terminal crop, framed quietly */
.story-receipt {
  display: block; max-width: 100%; margin: 20px auto;
  border: 1px solid var(--line); border-radius: 6px;
}

/* the maker's seal at the end of every page */
.footer-seal { text-align: center; margin-bottom: 10px; }
.footer-seal .mark { width: 16px; height: 16px; opacity: 0.55; }

/* financial-grade digit alignment everywhere numbers stack */
table, .mono, #plan-feedback { font-variant-numeric: tabular-nums; }

/* hover states arrive softly; nothing ever moves */
a, button, header.site a, .footer-links a, .info-strip a {
  transition: color .15s ease, background-color .15s ease, border-color .15s ease;
}

/* reading forty rows should be effortless */
tbody tr:hover td { background: var(--paper); }
tr.qual-bar:hover td { background: transparent; }

/* tables arrive, they don't pop */
@keyframes settle-in { from { opacity: 0; } to { opacity: 1; } }
#board table, #quarterly table, #signals table, .card table {
  animation: settle-in .25s ease;
}

/* selection and keyboard focus in the house palette */
::selection { background: var(--ink); color: var(--bg); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

/* the other half of financial alignment: numeric columns are right-aligned,
   so tabular digits stack on the decimal point */
th.num, td.num { text-align: right; }