:root {
  --orange: #f6821f; --ink: #1f2933; --muted: #6b7684; --line: #e3e7ec; --bg: #f4f6f8;
  --good: #0f8a5f; --goodbg: #e8f6f0; --warn: #b26b00; --warnbg: #fdf3e2;
  --bad: #c0392b; --badbg: #fdeceb; --signed: #6c4bd1; --signedbg: #f0ecfc;
  --info: #40586e; --infobg: #eef2f6;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 12px; }
body {
  margin: 0; font: 15px/1.5 ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased;
}
a { color: #0b5cad; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 22px 16px 64px; }

header.top { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-start; justify-content: space-between; margin-bottom: 14px; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--orange); margin-bottom: 4px; }
h1 { font-size: 25px; margin: 0 0 4px; letter-spacing: -.01em; }
.sub { color: var(--muted); font-size: 14px; margin: 0; }
.hbtns { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: flex-end; }
.demoid { flex-basis: 100%; font: 11.5px ui-monospace, Menlo, monospace; color: var(--muted); text-align: right; }
.bar { height: 4px; background: linear-gradient(90deg, var(--orange), #f0a250); border-radius: 4px; margin-bottom: 18px; }
.note {
  background: #fff8ec; border: 1px solid #f4d9ac; border-left: 4px solid var(--orange);
  border-radius: 8px; padding: 10px 14px; font-size: 13px; color: #6b4d1c; margin-bottom: 20px;
}
.section-label { font-size: 12px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--muted); margin: 26px 2px 10px; }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin-bottom: 18px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
}
.card h2 { font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--muted); margin: 0 0 4px; }
.card .hint { font-size: 13px; color: var(--muted); margin: 0 0 14px; }

/* Guided tour */
.tour { border: 2px solid var(--orange); box-shadow: 0 6px 24px rgba(246, 130, 31, .12); padding: 18px 20px; }
.tourtop { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.dots { display: flex; flex-wrap: wrap; gap: 7px; margin: 10px 0 14px; }
.dot { width: 11px; height: 11px; border-radius: 50%; border: none; background: #dfe3e8; cursor: pointer; padding: 0; transition: .12s; }
.dot.done { background: #f7c08a; }
.dot.on { background: var(--orange); transform: scale(1.3); }
.ttitle { font-size: 20px; margin: 0 0 8px; letter-spacing: -.01em; }
.tbody { margin: 0 0 10px; color: #3d4a59; max-width: 820px; }
.tset { font-size: 13px; background: var(--infobg); color: var(--info); border-radius: 8px; padding: 8px 12px; margin: 10px 0; }
.tlook-h { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-top: 14px; }
ul.tlook { margin: 6px 0 4px; padding-left: 20px; font-size: 14px; }
ul.tlook li { margin: 4px 0; }
.tnav { display: flex; justify-content: space-between; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

/* Buttons */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px; }
button { font: inherit; }
button:disabled { opacity: .5; cursor: not-allowed; }
button.persona {
  text-align: left; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
  cursor: pointer; transition: .12s; display: flex; flex-direction: column; gap: 3px; color: inherit;
}
button.persona:not(:disabled):hover { border-color: var(--orange); transform: translateY(-1px); box-shadow: 0 3px 10px rgba(16, 24, 40, .08); }
button.persona.active { border-color: var(--orange); background: #fffaf3; }
button.persona .pl { font-weight: 650; font-size: 14.5px; }
button.persona .ps { font-size: 12.5px; color: var(--muted); }
button.ghost { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 7px 13px; cursor: pointer; font-size: 13px; color: inherit; }
button.ghost:not(:disabled):hover { border-color: var(--muted); }
button.small { padding: 5px 10px; font-size: 12.5px; }
button.primary {
  background: var(--orange); color: #fff; border: none; border-radius: 8px; padding: 9px 16px;
  cursor: pointer; font-size: 13.5px; font-weight: 650; box-shadow: 0 1px 2px rgba(16, 24, 40, .12);
}
button.primary:not(:disabled):hover { filter: brightness(.95); }
button:focus-visible, .req:focus-visible, .dot:focus-visible { outline: 3px solid rgba(246, 130, 31, .45); outline-offset: 2px; }

.tag {
  display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 999px; margin-top: 6px; align-self: flex-start;
}
.t-good { background: var(--goodbg); color: var(--good); }
.t-warn { background: var(--warnbg); color: var(--warn); }
.t-bad { background: var(--badbg); color: var(--bad); }
.t-signed { background: var(--signedbg); color: var(--signed); }
.t-info { background: var(--infobg); color: var(--info); }

/* Precursor rule box */
.prule { margin-top: 14px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fafbfc; }
.prule.off { opacity: .45; }

/* Rules table */
table.rules { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.rules td { border-top: 1px solid var(--line); padding: 10px 8px; vertical-align: top; }
table.rules tr:first-child td { border-top: none; }
td.c-rule { width: 60%; } td.c-act { width: 24%; } td.c-on { width: 16%; }
.rname { font-weight: 620; }
.expr {
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; color: #3f4b59; background: #f7f9fb;
  border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; margin-top: 6px; display: block;
  white-space: pre-wrap; word-break: break-word;
}
.rnote { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
tr.off { opacity: .42; }
select { border: 1px solid var(--line); border-radius: 7px; padding: 5px 7px; background: #fff; font: inherit; font-size: 12.5px; max-width: 100%; }
.sw { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* Sessions and requests */
.sess { border: 1px solid var(--line); border-radius: 12px; background: #fff; margin: 12px 0 14px; overflow: hidden; }
.sess.latest { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(246, 130, 31, .12); }
.shead {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: #fafbfc; border-bottom: 1px solid var(--line);
}
.shr { text-align: right; }
.st { font-weight: 650; }
.ss { font-size: 12.5px; color: var(--muted); }
.ss.small, .sid { font-size: 11.5px; }
.sid { font-family: ui-monospace, Menlo, monospace; color: var(--muted); }
.insight { padding: 12px 16px; background: #fbfcfd; border-bottom: 1px solid var(--line); font-size: 13.5px; color: #3d4a59; }
.insight b { color: var(--ink); }
.req { border-top: 1px solid #f0f2f5; padding: 11px 16px; cursor: pointer; }
.req:first-of-type { border-top: none; }
.req:hover { background: #fcfcfd; }
.rtop { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.meth { font: 11.5px ui-monospace, Menlo, monospace; font-weight: 700; color: var(--muted); min-width: 42px; }
.path { font: 13px ui-monospace, Menlo, monospace; font-weight: 600; flex: 1; min-width: 150px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { font-size: 11.5px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: #4a5763; white-space: nowrap; }
.chip.b { font-weight: 700; border: none; }
.matched { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.matched b { color: #3d4a59; font-weight: 620; }
.chal { font-size: 12.5px; margin-top: 6px; padding: 7px 10px; border-radius: 7px; }
.detail {
  margin-top: 10px; border-top: 1px dashed var(--line); padding-top: 10px; display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 4px 22px;
}
.kv { display: flex; gap: 8px; font-size: 12.5px; padding: 3px 0; border-bottom: 1px solid #f4f6f8; }
.kv .k { font: 11.5px ui-monospace, Menlo, monospace; color: var(--muted); flex: 0 0 46%; }
.kv .v { font-weight: 560; word-break: break-word; }
.dets { margin-top: 8px; font-size: 12.5px; }
.dets li { margin: 3px 0; }
.score { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 12.5px; }
.sdot { width: 9px; height: 9px; border-radius: 50%; }
.empty { color: var(--muted); font-size: 13.5px; padding: 8px 0; }

/* Scoreboard */
.board { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.stat .n { font-size: 24px; font-weight: 700; letter-spacing: -.02em; }
.stat .l { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }

/* Footer */
.foot { margin-top: 28px; padding: 18px 4px 0; border-top: 1px solid var(--line); }
.foot h2 { font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
ul.srcs { display: flex; flex-wrap: wrap; gap: 6px 18px; list-style: none; padding: 0; margin: 0 0 12px; font-size: 13.5px; }
.fine { font-size: 12px; color: var(--muted); max-width: 860px; }

@media (max-width: 720px) {
  .wrap { padding: 14px 11px 48px; }
  h1 { font-size: 20px; }
  .hbtns { justify-content: flex-start; }
  .demoid, .shr { text-align: left; }
  .kv .k { flex: 0 0 52%; }
  table.rules, table.rules tbody, table.rules tr, table.rules td { display: block; width: 100%; }
  table.rules tr { border-top: 1px solid var(--line); padding: 8px 0; }
  table.rules tr:first-child { border-top: none; }
  table.rules td { border: none; padding: 4px 0; }
  td.c-rule, td.c-act, td.c-on { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  body { background: #fff; }
  .wrap { max-width: none; padding: 0; }
  .card, .sess { break-inside: avoid; box-shadow: none; }
  button { display: none !important; }
}