.proof-runner{border-top:1px solid var(--rule);background:linear-gradient(180deg,rgba(46,160,67,.045),rgba(247,147,26,.025) 46%,#0d1117);padding:44px 24px}
.proof-runner-inner{max-width:1180px;margin:0 auto}
.proof-runner-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:start;margin-bottom:18px}
.proof-runner-head h2{font-family:var(--serif);font-size:clamp(26px,3.4vw,40px);line-height:1.12;color:var(--ink);margin:8px 0}
.proof-runner-head p{color:var(--soft);font-size:14px;line-height:1.65;max-width:760px}
.proof-runner-pill{display:inline-flex;align-items:center;border:1px solid rgba(46,160,67,.45);background:rgba(46,160,67,.08);color:#7ee787;border-radius:999px;padding:6px 11px;font-size:10px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.proof-runner-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.proof-runner-grid{display:grid;grid-template-columns:220px minmax(0,1fr) minmax(280px,.86fr);gap:12px}
.proof-runner-tabs{display:grid;gap:7px}
.proof-runner-tab{border:1px solid var(--rule);border-radius:8px;background:rgba(255,255,255,.02);color:var(--soft);padding:10px;text-align:left;cursor:pointer;font:800 12px 'Inter',sans-serif}
.proof-runner-tab span{display:block;color:var(--accent);font:900 10px 'JetBrains Mono',monospace;margin-bottom:4px}
.proof-runner-tab:hover,.proof-runner-tab.active{border-color:rgba(46,160,67,.45);background:rgba(46,160,67,.08);color:var(--ink)}
.proof-runner-card{border:1px solid var(--rule);border-radius:10px;background:#0d1117;padding:16px;min-width:0}
.proof-runner-card h3{font-size:16px;color:var(--ink);margin-bottom:8px}
.proof-runner-card p{font-size:12.5px;color:var(--soft);line-height:1.65;margin-bottom:12px}
.proof-runner-notes{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.proof-runner-note{border:1px solid var(--rule);border-radius:8px;background:rgba(255,255,255,.02);padding:12px}
.proof-runner-note span{display:block;color:var(--muted);font-size:9px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;margin-bottom:5px}
.proof-runner-note strong{display:block;color:var(--ink);font-size:12px;margin-bottom:5px}
.proof-runner-note p{font-size:11.5px;color:var(--soft);line-height:1.5;margin:0}
.proof-runner-screen{background:#05080d;border:1px solid var(--rule);border-radius:9px;color:#9ff5b0;font:600 11px/1.65 'JetBrains Mono',monospace;white-space:pre-wrap;max-height:300px;overflow:auto;padding:13px;margin:0}
.proof-runner-status{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.proof-runner-metric{border:1px solid var(--rule);border-radius:8px;background:rgba(255,255,255,.02);padding:10px;min-width:0}
.proof-runner-metric span{display:block;font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:900;margin-bottom:5px}
.proof-runner-metric strong{font-size:12px;color:var(--ink);overflow-wrap:anywhere}
.proof-runner .btn{cursor:pointer}
@media(max-width:920px){
  .proof-runner-head{grid-template-columns:1fr}
  .proof-runner-actions{justify-content:flex-start}
  .proof-runner-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .proof-runner{padding:34px 18px}
  .proof-runner-notes,.proof-runner-status{grid-template-columns:1fr}
}