/* ww3-gpu: a sea at night, and three lights on it. The rules are DESIGN.md. */
:root {
  /* the ground */
  --night: #05090e;
  --deep: #0a121b;
  --surface: #0e1924;
  --rule: #1c2b38;
  --ink: #e7f2ef;
  --muted: #8fa3ad;
  /* the three lights, each with one meaning */
  --wave: #36b7ff; /* the sea: the physics, the model, WW3 */
  --code: #ffb547; /* the machine: the GPU, the port, the code, a thing not yet decided */
  --proof: #3dff96; /* evidence: (v), accepted, verified */
  /* the warning, rare */
  --warn: #ff4d62; /* ⚠: not checked */
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --prose: "Newsreader", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { background: var(--night); }
body {
  margin: 0;
  color: var(--ink);
  font: 400 1.15rem/1.6 var(--prose);
  background:
    radial-gradient(120% 60% at 80% -10%, rgba(54, 183, 255, 0.12), transparent 60%),
    var(--night);
  overflow-x: hidden;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
a { color: var(--wave); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }
a:focus-visible { outline: 2px solid var(--wave); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3, .title { font-family: var(--display); line-height: 1.05; margin: 0; }
h1 {
  font-size: clamp(3.5rem, 13vw, 9rem);
  font-weight: 800;
  color: var(--wave);
  text-shadow: 0 0 32px rgba(54, 183, 255, 0.45);
  letter-spacing: -0.03em;
}
h2 { font-size: clamp(1.8rem, 5vw, 2.6rem); font-weight: 800; margin-bottom: 0.6em; }
h3 { font-size: 1.2rem; font-weight: 600; margin: 1.4em 0 0.4em; color: var(--muted); }
.title { font-size: 1.6rem; font-weight: 600; color: var(--code); margin-bottom: 0.3em; }
.cover { padding: 56px 24px 40px; }
.kicker, .date, .num, .chip, .doi, .jump, .foot { font-family: var(--mono); }
.kicker { color: var(--muted); font-size: 0.85rem; }
.epithet { font-family: var(--display); font-weight: 600; font-size: clamp(1.4rem, 4vw, 2.2rem); color: var(--code); margin: 0.2em 0 0.6em; }
.lede { color: var(--ink); max-width: 46em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 1.6em 0; }
.button {
  font: 600 1rem var(--display);
  padding: 0.6em 1.2em;
  border-radius: 999px;
  background: var(--wave);
  color: var(--night);
  text-decoration: none;
  box-shadow: 0 0 18px rgba(54, 183, 255, 0.4);
}
.button.quiet { background: transparent; color: var(--wave); border: 2px solid var(--wave); box-shadow: none; }
.jump { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 0.9rem; border-top: 1px solid var(--rule); padding-top: 16px; }
.jump a { color: var(--muted); text-decoration: none; }
.jump a:hover { color: var(--wave); }
section { padding: 48px 24px; border-top: 1px solid var(--rule); }
.links { font-family: var(--mono); font-size: 0.9rem; }
.light.proof { color: var(--proof); font-family: var(--mono); }
.light.warn { color: var(--warn); }
ol.chapters, ul.records, ul.people { list-style: none; margin: 0; padding: 0; }
ol.chapters { columns: 2 22em; column-gap: 32px; }
ol.chapters li { break-inside: avoid; padding: 6px 0; display: flex; gap: 12px; align-items: baseline; }
.num { color: var(--muted); font-size: 0.85rem; min-width: 2.2em; margin-right: 10px; }
ul.records li {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 6px 14px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}
ul.records li a { text-decoration: none; color: var(--ink); }
ul.records li a:hover { color: var(--wave); }
.chip { font-size: 0.75rem; padding: 2px 10px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; }
.chip.proof { color: var(--proof); }
.chip.code { color: var(--code); }
.chip.wave { color: var(--wave); }
.chip.warn { color: var(--warn); }
.chip.muted { color: var(--muted); border-style: dashed; }
.date { color: var(--muted); font-size: 0.8rem; white-space: nowrap; }
.doi { font-size: 1.3rem; }
ul.people li { padding: 10px 0; border-bottom: 1px solid var(--rule); display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; }
.name { font-weight: 600; }
.aff { color: var(--muted); font-size: 1rem; }
.empty { color: var(--muted); font-style: italic; }
.foot { color: var(--muted); font-size: 0.8rem; padding: 32px 24px 56px; border-top: 1px solid var(--rule); }
/* the port's global numbers (site/data/port_score.tsv): data in mono, the value in the code light. */
ul.stats { list-style: none; margin: 1.2em 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
ul.stats li { display: grid; align-content: start; gap: 2px; padding: 14px 16px; border: 1px solid var(--rule); border-radius: 18px; background: var(--surface); }
ul.stats .value { font: 600 1.6rem var(--mono); color: var(--code); }
ul.stats .name { font-weight: 600; }
ul.stats .count { font: 500 0.95rem var(--mono); color: var(--ink); }
ul.stats .aff { font-size: 0.85rem; }
p.record { margin: 0.3em 0 0; }
p.record .aff { font-size: 0.9rem; font-family: var(--mono); }
/* the port, measured: each step a bar in a shade of --proof, deeper as the speed-up grows; a step
   slower than its baseline is --muted and says "slower" (DESIGN.md, "The port, measured"). */
.report { margin-top: 1.6em; }
.report h3 { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: baseline; }
ol.steps { list-style: none; margin: 0.6em 0 0; padding: 0; }
ol.steps li.step { display: grid; grid-template-columns: 2.2em 1fr auto; gap: 4px 14px; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--rule); }
.step .bar { grid-column: 2 / 3; height: 10px; border-radius: 999px; background: var(--surface); overflow: hidden; align-self: center; }
.step .fill { display: block; height: 100%; border-radius: 999px; }
.step .speed { grid-column: 3 / 4; font-family: var(--mono); font-size: 0.9rem; white-space: nowrap; }
.step .aff { grid-column: 2 / -1; font-size: 0.85rem; font-family: var(--mono); }
.fill.g1 { background: color-mix(in srgb, var(--proof) 30%, transparent); }
.fill.g2 { background: color-mix(in srgb, var(--proof) 55%, transparent); }
.fill.g3 { background: color-mix(in srgb, var(--proof) 80%, transparent); }
.fill.g4 { background: var(--proof); }
.fill.slower { background: var(--muted); }
.speed.g1, .speed.g2, .speed.g3, .speed.g4 { color: var(--proof); }
.speed.slower { color: var(--muted); }
@media (max-width: 640px) {
  ul.records li { grid-template-columns: 1fr auto; }
  ul.records li .date { grid-column: 1 / -1; }
  section { padding: 36px 16px; }
  ol.steps li.step { grid-template-columns: 2em 1fr; }
  .step .date, .step .bar, .step .speed, .step .aff { grid-column: 2 / 3; }
  .wrap { padding: 0 16px; }
  .cover { padding: 40px 16px 32px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto; } }