:root{--ink: #1a1a2e;--muted: #5c5c70;--accent: #2563eb;--error: #b91c1c;--warning: #b45309;--notice: #1d4ed8;--ok: #15803d;--bg: #ffffff;--panel: #f5f6fa;--border: #d9dbe4}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:16px/1.6 system-ui,-apple-system,Segoe UI,sans-serif}main{max-width:760px;margin:0 auto;padding:1.5rem 1rem 4rem}header.site{border-bottom:1px solid var(--border)}header.site nav{max-width:760px;margin:0 auto;padding:.75rem 1rem;display:flex;gap:1.25rem;flex-wrap:wrap}header.site a{color:var(--ink);text-decoration:none;font-weight:600}header.site a:hover{color:var(--accent)}h1{font-size:1.7rem;line-height:1.25}.tagline{color:var(--muted)}.drop-zone{border:2px dashed var(--border);border-radius:12px;background:var(--panel);padding:3rem 1.5rem;text-align:center;cursor:pointer;margin:1.5rem 0}.drop-zone.dragover{border-color:var(--accent);background:#eef2ff}.drop-zone input{display:none}.privacy{font-size:.85rem;color:var(--muted);text-align:center}.results table{width:100%;border-collapse:collapse;margin-top:1rem;font-size:.9rem}.results th,.results td{text-align:left;padding:.4rem .6rem;border-bottom:1px solid var(--border);vertical-align:top}.results .sev{font-weight:700;white-space:nowrap}.sev-error{color:var(--error)}.sev-warning{color:var(--warning)}.sev-notice{color:var(--notice)}.all-clear{color:var(--ok);font-weight:600;font-size:1.1rem}.summary{margin-top:1rem}button.action{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:.65rem 1.2rem;font-size:1rem;cursor:pointer;margin-top:1rem}button.action:disabled{background:var(--muted);cursor:default}footer.site{border-top:1px solid var(--border);margin-top:3rem;padding:1.5rem 1rem;color:var(--muted);font-size:.85rem;text-align:center}article.guide h2{font-size:1.2rem;margin-top:2rem}article.guide code{background:var(--panel);padding:.1rem .35rem;border-radius:4px}.tool-cta{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1rem 1.25rem;margin:1.5rem 0}ul.tool-list{padding-left:1.2rem}ul.tool-list li{margin:.5rem 0}.cap-notice{font-style:italic;color:var(--muted);padding:.6rem}