:root { --ink: #16223a; --sub: #58647d; --line: #e3e8f0; --wash: #f1f5f9; --teal: #0f766e; --open: #eb6834; --shut: #c3cddc; --own: #2a78d6; }
* { box-sizing: border-box; }
html, body { margin: 0; background: #fff; color: var(--ink); font: 15px/1.45 Arial, Helvetica, sans-serif; }
button { font: inherit; }
.card { min-height: 100vh; padding: 16px 20px 14px; display: flex; flex-direction: column; gap: 12px; }
h1 { margin: 0; font-size: 17px; line-height: 1.25; }
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; }
.ctl { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.cl { font-size: 12px; color: var(--sub); }
.seg { display: flex; gap: 6px; flex-wrap: wrap; }
button { border: 1px solid #c3cddc; background: #fff; color: var(--ink); padding: 6px 10px; border-radius: 8px; font-size: 13px; line-height: 1.2; cursor: pointer; transition: background-color .15s, color .15s, border-color .15s, opacity .15s; }
button:hover { border-color: var(--ink); }
button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
button:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }
button[disabled] { opacity: .45; cursor: default; }

.stage { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; border-top: 1px solid var(--line); padding-top: 12px; }
.path { list-style: none; margin: 0; padding: 0; display: flex; align-items: stretch; gap: 8px; }
.path li { flex: 1; min-width: 0; border: 2px solid var(--line); border-radius: 10px; padding: 8px 10px; display: flex; flex-direction: column; gap: 2px; transition: border-color .3s, background-color .3s, opacity .3s; }
.path li b { font-size: 14px; }
.path li span { font-size: 12px; color: var(--sub); }
.path li.skip { opacity: .4; }
.path li.stop { border-color: var(--open); background: #fff7f2; }
.path li.pass { border-color: var(--teal); background: #f2f9f8; }
.table { display: grid; grid-template-columns: repeat(4, 30px); gap: 6px; }
.cell { width: 30px; height: 22px; border-radius: 5px; border: 2px solid var(--shut); background: #fff; transition: background-color .35s, border-color .35s, transform .35s; }
.cell.own { border-style: dashed; }
.cell.on { background: var(--open); border-color: var(--open); transform: translateY(-2px); }
.cell.on.own { background: var(--own); border-color: var(--own); }

.verdict { margin: 2px 0 0; padding: 10px 12px; border-left: 4px solid var(--teal); background: #f2f9f8; font-size: 15px; line-height: 1.4; min-height: 4.2em; }
.note { margin: auto 0 0; font-size: 12px; color: var(--sub); }
@media (max-width: 640px) {
  .card { padding: 14px 14px 12px; }
  .controls { grid-template-columns: 1fr; }
  .stage { grid-template-columns: 1fr; }
  .path { flex-direction: column; }
  .table { justify-self: start; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } }