:root {
  color-scheme: dark;
  --bg: #120711;
  --card: #1c0c19;
  --card-2: #24102080;
  --border: #3a1a33;
  --text: #f6ebf2;
  --muted: #b892ab;
  --dim: #7a5a70;
  --rose: #ff4d8d;
  --rose-deep: #4a1030;
  --mint: #7ef0c2;
  --amber: #ffc857;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: radial-gradient(1200px 600px at 80% -10%, #3a0f2b 0%, transparent 60%), var(--bg); color: var(--text); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }

.top { display: flex; align-items: center; justify-content: space-between; padding: 28px 40px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 22px; letter-spacing: -0.02em; }
.brand i { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--rose); color: #fff; font-family: var(--mono); font-style: normal; font-size: 16px; }
.brand small { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); font-weight: 400; margin-left: 8px; }
.top nav { display: flex; gap: 22px; font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.top nav a { text-decoration: none; }
.top nav a.on { color: var(--rose); }

main { max-width: 1180px; margin: 0 auto; padding: 20px 40px 80px; }
h1 { font-size: 44px; letter-spacing: -0.03em; margin: 10px 0 6px; line-height: 1.05; }
.lede { color: var(--muted); font-size: 18px; margin: 0 0 36px; max-width: 640px; }

.pick { display: grid; grid-template-columns: 1fr 64px 1fr; gap: 20px; align-items: center; }
.heart { display: grid; place-items: center; font-size: 34px; color: var(--rose); }
.deck { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.pcard { text-align: left; background: var(--card); border: 1.5px solid var(--border); border-radius: 14px; padding: 14px; color: var(--text); cursor: pointer; transition: border-color 200ms, transform 200ms; display: grid; gap: 6px; }
.pcard:hover { transform: translateY(-2px); border-color: #6a2f5a; }
.pcard.on { border-color: var(--rose); box-shadow: 0 0 0 3px var(--rose-deep); }
.pcard b { font-size: 15px; }
.pcard .h { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.pcard .tags { display: flex; flex-wrap: wrap; gap: 4px; }
.pcard .tags span { font-family: var(--mono); font-size: 10px; padding: 3px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }

.match { margin-top: 40px; background: linear-gradient(180deg, #24101f, #170a15); border: 1.5px solid var(--border); border-radius: 22px; padding: 36px 40px; display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: center; box-shadow: 0 40px 100px rgba(0,0,0,0.5); }
.match.empty { grid-template-columns: 1fr; text-align: center; color: var(--dim); font-family: var(--mono); font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; padding: 60px; }
.score { display: grid; place-items: center; gap: 8px; }
.ring { position: relative; width: 220px; height: 220px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--rose) calc(var(--p) * 1%), #2a1425 0); }
.ring::before { content: ""; position: absolute; inset: 14px; border-radius: 50%; background: #170a15; }
.ring b { position: relative; font-size: 72px; letter-spacing: -0.04em; line-height: 1; }
.ring small { position: relative; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.band { font-family: var(--mono); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; padding: 8px 16px; border-radius: 999px; border: 1.5px solid var(--rose); color: var(--rose); }
.band.coffee { border-color: var(--amber); color: var(--amber); }
.band.scroll { border-color: var(--dim); color: var(--dim); }
.detail h2 { margin: 0 0 4px; font-size: 32px; letter-spacing: -0.02em; }
.detail .names { color: var(--muted); font-family: var(--mono); font-size: 13px; margin-bottom: 22px; }
.detail h3 { margin: 18px 0 8px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.detail ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 17px; }
.detail li::before { content: "♥"; color: var(--rose); margin-right: 10px; }
.detail .deal { color: var(--amber); }
.detail .deal::before { content: "!"; color: var(--amber); font-family: var(--mono); }
.detail .none { color: var(--dim); font-style: italic; }
.history { margin-top: 18px; font-family: var(--mono); font-size: 12px; color: var(--dim); }
.foot { margin-top: 60px; text-align: center; font-family: var(--mono); font-size: 12px; color: var(--dim); letter-spacing: 0.06em; }

/* ---------- tracker mock ---------- */
body.tracker { background: #0f0f11; color: #e6e6ea; }
.tr { display: grid; grid-template-columns: 240px 1fr 300px; min-height: 100vh; }
.tr .side { border-right: 1px solid #222228; padding: 18px 16px; font-size: 13px; color: #9a9aa6; }
.tr .side .ws { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; margin-bottom: 20px; }
.tr .side .ws i { width: 22px; height: 22px; border-radius: 6px; background: var(--rose); display: inline-block; }
.tr .side .item { padding: 7px 10px; border-radius: 6px; }
.tr .side .item.on { background: #1b1b21; color: #fff; }
.tr .side .team { margin: 22px 0 6px; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: #6c6c78; }
.tr .body { padding: 26px 48px; }
.tr .crumbs { font-size: 13px; color: #8c8c98; display: flex; gap: 10px; margin-bottom: 26px; }
.tr .crumbs b { color: #fff; font-weight: 500; }
.tr h1 { font-size: 26px; letter-spacing: -0.01em; margin: 0 0 18px; font-weight: 600; }
.tr .desc { font-size: 15px; line-height: 1.6; color: #c9c9d2; max-width: 720px; }
.tr .desc h4 { margin: 22px 0 8px; font-size: 13px; color: #fff; }
.tr .desc ul { padding-left: 18px; }
.tr .props { border-left: 1px solid #222228; padding: 26px 22px; font-size: 13px; }
.tr .props h5 { margin: 0 0 14px; font-size: 12px; color: #8c8c98; font-weight: 500; }
.tr .prop { display: grid; grid-template-columns: 90px 1fr; gap: 10px; align-items: center; padding: 6px 0; color: #c9c9d2; }
.tr .prop span:first-child { color: #8c8c98; }
.tr .chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 6px; background: #1b1b21; border: 1px solid #2a2a32; font-size: 12px; }
.tr .chip i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.tr .activity { margin-top: 36px; border-top: 1px solid #222228; padding-top: 18px; font-size: 13px; color: #8c8c98; display: grid; gap: 10px; }
.tr .activity b { color: #e6e6ea; font-weight: 500; }
.tr .list { display: grid; gap: 2px; margin-top: 8px; }
.tr .row { display: grid; grid-template-columns: 80px 1fr 110px 90px; gap: 12px; align-items: center; padding: 8px 10px; border-radius: 6px; font-size: 13px; color: #c9c9d2; text-decoration: none; }
.tr .row:hover, .tr .row.on { background: #1b1b21; }
.tr .row .k { font-family: var(--mono); font-size: 12px; color: #8c8c98; }

/* sidebar issue list: key and title only, one line */
.tr .side .list .row { grid-template-columns: 64px 1fr; padding: 7px 8px; }
.tr .side .list .row span:nth-child(2) { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tr .side .list .row .chip { display: none; }

/* Jev's four judgments and the verdict formula on the match card */
.jev { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 4px 0 8px; }
.jev div { background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; display: grid; gap: 2px; }
.jev small { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.jev b { font-size: 22px; letter-spacing: -0.02em; }
.jev .dim, .formula .dim { color: var(--dim); font-size: 12px; }
.formula { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.formula a, .detail .none a { color: var(--rose); }
.detail .none code { font-family: var(--mono); font-size: 13px; color: var(--text); }
.ring.pending { background: conic-gradient(#2a1425 0, #2a1425 0); }
.ring.pending b { color: var(--dim); }

/* ---------- Learn: Trails 101 ---------- */
body.learn main { max-width: 1040px; }
.learn .hero { padding: 30px 0 10px; }
.learn .eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--rose); margin: 0 0 12px; }
.learn h1 { font-size: 48px; max-width: 900px; }
.learn .lede.wide { max-width: 820px; font-size: 19px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 10px; }
.cta { display: inline-block; text-decoration: none; background: var(--rose); color: #fff; font-weight: 600; padding: 12px 20px; border-radius: 999px; font-size: 15px; }
.cta.ghost { background: transparent; border: 1.5px solid var(--border); color: var(--text); font-weight: 500; }
.cta.ghost:hover { border-color: var(--rose); }
.learn .block { margin-top: 64px; }
.learn .block h2 { font-size: 28px; letter-spacing: -0.02em; margin: 0 0 12px; }
.learn .block > p { color: var(--muted); font-size: 17px; line-height: 1.6; max-width: 820px; }
.learn .block p a, .learn .legend a, .learn .how a { color: var(--rose); }
.learn code { font-family: var(--mono); font-size: 14px; background: #2a1425; padding: 2px 7px; border-radius: 6px; color: var(--text); }
.learn .shot { margin: 18px 0; border-radius: 16px; overflow: hidden; border: 1.5px solid var(--border); box-shadow: 0 30px 80px rgba(0,0,0,0.5); background: #0d0d0d; }
.learn .shot img { display: block; width: 100%; }
.learn .legend { counter-reset: n; list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 10px; }
.learn .legend li { position: relative; padding-left: 44px; color: var(--muted); font-size: 16px; line-height: 1.55; }
.learn .legend li::before { counter-increment: n; content: counter(n); position: absolute; left: 0; top: 2px; width: 28px; height: 28px; border-radius: 50%; background: var(--rose-deep); color: var(--rose); font-family: var(--mono); font-size: 13px; display: grid; place-items: center; border: 1px solid var(--rose); }
.learn .legend b { color: var(--text); }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; margin-top: 16px; }
.step { background: var(--card); border: 1.5px solid var(--border); border-radius: 16px; padding: 20px 22px; display: grid; gap: 8px; align-content: start; }
.step .n { font-family: var(--mono); font-size: 12px; color: var(--rose); letter-spacing: 0.12em; }
.step b { font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }
.learn pre.code { background: #0e0510; border: 1.5px solid var(--border); border-radius: 14px; padding: 20px 24px; overflow-x: auto; font-family: var(--mono); font-size: 13.5px; line-height: 1.5; color: #f1dce8; margin: 16px 0 8px; }
.learn .small { font-family: var(--mono); font-size: 12px; color: var(--dim); }
table.record { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 15px; }
table.record th { text-align: left; font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); padding: 8px 10px; border-bottom: 1px solid var(--border); }
table.record td { padding: 9px 10px; border-bottom: 1px solid #2a1425; color: var(--text); white-space: nowrap; }
table.record td a { color: var(--rose); text-decoration: none; }
table.record .dim, .learn .dim { color: var(--dim); }
table.record td.ok { font-family: var(--mono); color: var(--muted); }
.tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--rose); color: var(--rose); }
.tag.coffee { border-color: var(--amber); color: var(--amber); }
.tag.scroll { border-color: var(--dim); color: var(--dim); }
.learn #eval-summary { font-size: 20px; color: var(--text); }
.learn #eval-summary .big { font-size: 30px; }
.learn .plug { background: linear-gradient(180deg, #24101f, #170a15); border: 1.5px solid var(--border); border-radius: 22px; padding: 34px 38px; }
.learn .how { color: var(--muted); font-size: 16px; line-height: 1.7; padding-left: 22px; }
.learn .how li { margin: 6px 0; }
.learn .foot em { color: var(--muted); }
.detail .formula a.learn-link, .detail .none a.learn-link { color: var(--muted); }

/* ---------- phones and small tablets ---------- */
@media (max-width: 860px) {
  .top { flex-wrap: wrap; gap: 12px; padding: 18px 20px; }
  .brand small { display: none; }
  .top nav { gap: 14px; font-size: 12px; flex-wrap: wrap; }
  main { padding: 10px 20px 60px; }
  h1 { font-size: 32px; }
  .lede { font-size: 16px; margin-bottom: 24px; }
  .pick { grid-template-columns: 1fr; gap: 12px; }
  .heart { font-size: 26px; padding: 4px 0; }
  .deck { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
  .pcard { padding: 12px; }
  .match { margin-top: 28px; padding: 24px 20px; grid-template-columns: 1fr; gap: 24px; }
  .match.empty { padding: 36px 20px; }
  .ring { width: 170px; height: 170px; }
  .ring b { font-size: 56px; }
  .detail h2 { font-size: 26px; }
  .detail ul { font-size: 15px; }
  .jev { grid-template-columns: repeat(2, 1fr); }
  .formula { word-break: break-word; }
  .foot { margin-top: 40px; }

  body.learn main { padding: 10px 20px 60px; }
  .learn h1 { font-size: 32px; }
  .learn .lede.wide { font-size: 16px; }
  .learn .block { margin-top: 44px; }
  .learn .block h2 { font-size: 23px; }
  .learn .block > p { font-size: 15px; }
  .learn .plug { padding: 24px 20px; }
  .learn pre.code { font-size: 12px; padding: 16px; }
  .learn .legend li { font-size: 15px; padding-left: 40px; }
  .learn #eval-summary { font-size: 17px; }
  .learn #eval-summary .big { font-size: 24px; }
  .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -20px; padding: 0 20px; }
  table.record { font-size: 14px; }
  table.record td, table.record th { padding: 8px 8px; }

  /* the tracker mock stacks: issue first, then the sidebar list, then the properties */
  .tr { grid-template-columns: 1fr; min-height: auto; }
  .tr .body { padding: 20px; order: 1; }
  .tr .side { order: 2; border-right: none; border-top: 1px solid #222228; }
  .tr .props { order: 3; border-left: none; border-top: 1px solid #222228; padding: 20px; }
  .tr .side .item:not(.on), .tr .side .team, .tr .side .ws { display: none; }
  .tr .side .list .row span:nth-child(2) { white-space: normal; }
  .tr h1 { font-size: 22px; }
}

@media (max-width: 480px) {
  .deck { grid-template-columns: repeat(2, 1fr); }
  .pcard b { font-size: 14px; }
  .top nav { gap: 10px; }
  .cta-row .cta { width: 100%; text-align: center; }
  .steps { grid-template-columns: 1fr; }
}