:root{
  --ink:#132033;
  --muted:#667085;
  --paper:#f6f1e7;
  --panel:#fffaf0;
  --panel2:#ffffff;
  --line:#e6d8bd;
  --navy:#102a43;
  --navy2:#183b5b;
  --gold:#b8892f;
  --gold2:#e5c16f;
  --green:#1f7a5c;
  --red:#b42318;
  --orange:#b54708;
  --blue:#1d4ed8;
  --shadow:0 24px 70px rgba(33,24,7,.16);
  --r:24px;
  --r2:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:
  radial-gradient(circle at 8% -6%,rgba(229,193,111,.35),transparent 30%),
  radial-gradient(circle at 90% 0%,rgba(16,42,67,.18),transparent 28%),
  linear-gradient(180deg,#faf7ef 0%,#f3ebdc 46%,#f7f3ea 100%);min-height:100vh}
a{color:inherit}.skip-link{position:absolute;left:-999px;top:auto}.skip-link:focus{left:16px;top:16px;z-index:1000;background:#fff;padding:10px;border-radius:10px}.k51-hero{width:min(1240px,94vw);margin:0 auto;padding:24px 0 20px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:22px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand-sign{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--navy),var(--gold));color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 12px 28px rgba(16,42,67,.18)}.brand b{display:block;font-size:18px}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.top-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.top-actions a{padding:9px 12px;border:1px solid rgba(16,42,67,.14);border-radius:999px;text-decoration:none;background:rgba(255,255,255,.58);font-size:13px;color:var(--navy)}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:stretch}.hero-copy,.hero-card,.workspace,.visual-card,.docs,.legal-note{border:1px solid var(--line);background:rgba(255,250,240,.84);border-radius:var(--r);box-shadow:var(--shadow)}.hero-copy{padding:38px;position:relative;overflow:hidden}.hero-copy:after{content:"";position:absolute;right:-70px;bottom:-80px;width:260px;height:260px;border:1px solid rgba(184,137,47,.25);border-radius:50%;box-shadow:0 0 0 28px rgba(184,137,47,.04),0 0 0 62px rgba(16,42,67,.035)}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--gold);font-size:12px;font-weight:900;margin:0 0 10px}.hero-copy h1{font-size:clamp(38px,5vw,70px);line-height:.95;letter-spacing:-2.4px;margin:0 0 18px;color:var(--navy)}.lead{font-size:18px;line-height:1.65;color:#344054;max-width:78ch;margin:0}.hero-actions,.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.button{border:0;border-radius:14px;padding:12px 16px;text-decoration:none;cursor:pointer;font-weight:900;min-height:44px;display:inline-flex;align-items:center;justify-content:center;transition:.18s transform,.18s box-shadow}.button:hover{transform:translateY(-1px)}.button.primary{background:linear-gradient(135deg,var(--navy),var(--navy2));color:white;box-shadow:0 12px 28px rgba(16,42,67,.24)}.button.soft{background:linear-gradient(135deg,#fff,#fbecd2);color:var(--navy);border:1px solid var(--line)}.button.ghost{background:transparent;border:1px solid var(--line);color:var(--navy)}button:disabled{opacity:.45;cursor:not-allowed;transform:none!important}.hero-card{padding:26px;background:linear-gradient(180deg,#142f49,#0e2237);color:#fff;position:relative;overflow:hidden}.hero-card:before{content:"";position:absolute;inset:auto -40px -60px auto;width:180px;height:180px;border-radius:50%;background:rgba(229,193,111,.2)}.status-pill{display:inline-block;background:rgba(31,122,92,.18);border:1px solid rgba(65,214,157,.3);color:#b8ffe4;border-radius:999px;padding:6px 10px;font-size:12px;text-transform:uppercase;letter-spacing:.11em;font-weight:900}.hero-card h2{margin:18px 0 12px;font-size:26px}.check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}.check-list li{padding-left:28px;position:relative;line-height:1.45;color:#e9f2ff}.check-list li:before{content:"✓";position:absolute;left:0;top:-1px;color:var(--gold2);font-weight:900}.method-strip{width:min(1240px,94vw);margin:12px auto 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.method-strip article{border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.58);padding:18px}.method-strip span{display:inline-grid;place-items:center;width:34px;height:34px;background:var(--navy);color:white;border-radius:12px;font-weight:900;margin-bottom:10px}.method-strip h3{margin:0 0 6px;font-size:18px;color:var(--navy)}.method-strip p{margin:0;color:#475467;line-height:1.45;font-size:14px}main{padding-bottom:50px}.workspace{width:min(1240px,94vw);margin:0 auto 24px;padding:24px}.workspace-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}.workspace-head h2,.docs h2,.legal-note h2{margin:0;color:var(--navy);font-size:32px;letter-spacing:-.8px}.mode-switch{display:flex;background:#fff;border:1px solid var(--line);border-radius:16px;padding:4px;box-shadow:0 8px 22px rgba(33,24,7,.06)}.mode-switch button{border:0;background:transparent;border-radius:12px;padding:9px 13px;color:var(--muted);font-weight:900;cursor:pointer}.mode-switch button.active{background:var(--navy);color:#fff}.audit-layout{display:grid;grid-template-columns:minmax(360px,.86fr) minmax(0,1.14fr);gap:18px;align-items:start}.input-column,.results-column{display:grid;gap:14px}.panel,.result-panel{border:1px solid var(--line);border-radius:20px;background:var(--panel2);padding:18px}.panel:not(.active){display:none}.panel-title,.result-head,.visual-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.panel-title h3,.result-panel h3,.visual-head h3{margin:0;color:var(--navy);font-size:19px}.panel-title span,.visual-head span{font-size:12px;border:1px solid var(--line);border-radius:999px;padding:5px 8px;color:var(--muted);background:#fffaf0}textarea{width:100%;min-height:430px;resize:vertical;border:1px solid var(--line);border-radius:16px;background:#fffdfa;color:#1d2939;padding:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.5;outline:none}textarea:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(184,137,47,.12)}.hint{color:var(--muted);font-size:13px;line-height:1.45;margin:12px 0 0}.drop-zone{display:grid;place-items:center;text-align:center;min-height:180px;padding:24px;border:2px dashed #d3b87f;border-radius:20px;background:#fffaf0;cursor:pointer}.drop-zone input{display:none}.drop-zone strong{display:block;color:var(--navy);font-size:18px}.drop-zone small{display:block;margin-top:8px;color:var(--muted);max-width:52ch}.file-log{margin-top:12px;border:1px solid var(--line);background:#fffaf0;border-radius:14px;padding:12px;color:#475467;font-size:13px}.code-block{white-space:pre-wrap;background:#132033;color:#f7f7f7;border-radius:16px;padding:16px;overflow:auto;font-size:12px;line-height:1.5;margin:0}.scoreboard{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.score-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;min-height:118px}.score-card span{display:block;color:var(--gold);font-weight:900;font-size:12px;letter-spacing:.1em}.score-card strong{display:block;font-size:31px;color:var(--navy);margin:8px 0 2px}.score-card small{color:var(--muted)}.score-card.main-risk{background:linear-gradient(180deg,#fffaf0,#fff);border-color:#d3b87f}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.result-panel.wide{grid-column:1 / -1}.defect-list,.checklist{display:grid;gap:10px}.empty{color:var(--muted);border:1px dashed var(--line);padding:16px;border-radius:14px;background:#fffaf0}.defect-item{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;border:1px solid var(--line);border-left-width:6px;border-radius:16px;padding:12px;background:#fffdfa}.defect-item.high{border-left-color:var(--red)}.defect-item.mid{border-left-color:var(--orange)}.defect-item.low{border-left-color:var(--green)}.defect-icon{width:34px;height:34px;border-radius:12px;background:#f2e4c8;display:grid;place-items:center;font-weight:900;color:var(--navy)}.defect-item h4{margin:0 0 4px;color:var(--navy);font-size:15px}.defect-item p{margin:0;color:#475467;line-height:1.42;font-size:13px}.severity{font-size:12px;font-weight:900;color:var(--navy);background:#fff4dc;border:1px solid var(--line);border-radius:999px;padding:5px 8px}.check-row{display:grid;grid-template-columns:1fr auto;gap:10px;padding:12px;border:1px solid var(--line);border-radius:15px;background:#fffdfa}.check-row b{color:var(--navy)}.check-row small{display:block;color:var(--muted);margin-top:4px;line-height:1.4}.check-row span{font-weight:900;color:var(--gold);white-space:nowrap}.small-btn{border:1px solid var(--line);background:#fffaf0;color:var(--navy);border-radius:12px;padding:9px 11px;font-weight:900;cursor:pointer}.small-btn:hover{border-color:var(--gold)}.export-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.visuals{width:min(1240px,94vw);margin:0 auto 24px;display:grid;grid-template-columns:1fr;gap:16px}.visual-card{padding:18px;background:#fff}.svg-stage{min-height:240px;border:1px solid var(--line);border-radius:18px;background:#fbf8f0;overflow:hidden}.svg-stage svg{display:block;width:100%;height:auto}.docs{width:min(1240px,94vw);margin:0 auto 24px;padding:24px;display:grid;grid-template-columns:.8fr 1.2fr;gap:22px;align-items:start}.docs p{color:#475467;line-height:1.55}.doc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.doc-grid a{display:flex;justify-content:space-between;gap:10px;text-decoration:none;padding:14px;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--navy);font-weight:900}.doc-grid span{color:var(--muted);font-weight:700}.legal-note{width:min(1240px,94vw);margin:0 auto;padding:22px;background:#fffaf0}.legal-note p{color:#475467;line-height:1.6;margin:8px 0 0}.toast{position:fixed;right:18px;bottom:18px;background:#132033;color:white;padding:12px 14px;border-radius:14px;box-shadow:0 16px 38px rgba(0,0,0,.22);z-index:1000}.risk-ok{color:var(--green)!important}.risk-mid{color:var(--orange)!important}.risk-high{color:var(--red)!important}
@media (max-width:980px){.hero-grid,.audit-layout,.docs{grid-template-columns:1fr}.method-strip{grid-template-columns:1fr 1fr}.scoreboard{grid-template-columns:1fr 1fr}.result-grid{grid-template-columns:1fr}.workspace-head{align-items:start;flex-direction:column}.topbar{align-items:flex-start;flex-direction:column}.top-actions{justify-content:flex-start}.hero-copy{padding:28px}}
@media (max-width:560px){.method-strip,.scoreboard,.doc-grid{grid-template-columns:1fr}.k51-hero,.workspace,.visuals,.docs,.legal-note{width:min(100% - 24px,1240px)}.hero-copy h1{font-size:38px}.lead{font-size:16px}.mode-switch{width:100%;display:grid;grid-template-columns:repeat(3,1fr)}textarea{min-height:340px}.defect-item{grid-template-columns:1fr}.severity{justify-self:start}}