*{box-sizing:border-box}:root{--bg:#f5f6f8;--bg2:#eceef1;--paper:#fff;--ink:#15171c;--ink2:#3a3f4a;--muted:#6c727e;--line:#e4e7ec;--line2:#d2d7df;--primary:#1b3e7a;--primary-700:#163464;--primary-tint:#eaf0f9;--signal:#c0392b;--signal-tint:#fbecea;--green:#1d7a3d;--green-tint:#e8f4ec;--amber:#9a6a12;--amber-tint:#f8f0dd;--radius:11px;--radius-sm:8px;--radius-pill:999px;--shadow-sm:0 1px 2px #1018280d;--shadow:0 1px 2px #1018280f, 0 4px 12px #1018280f;--mono:ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace}html,body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;padding:0;font:14px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif}a{color:var(--primary);text-decoration:none}::selection{background:var(--primary-tint)}header{border-bottom:1px solid var(--line);background:var(--paper);z-index:5;align-items:center;gap:14px;padding:13px 22px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:10px;display:flex}.brand .mark{background:var(--primary);border-radius:5px;flex:none;width:20px;height:20px;display:inline-block;position:relative}.brand .mark:after{content:"";background:var(--signal);border-radius:2px;width:7px;height:7px;position:absolute;bottom:4px;right:4px}.brand h1{letter-spacing:-.2px;margin:0;font-size:16px;font-weight:750}.brand .tag{color:var(--muted);border-left:1px solid var(--line2);margin-left:2px;padding-left:12px;font-size:12px}header .grow{flex:1}.btn{background:var(--primary);color:#fff;border:1px solid var(--primary);border-radius:var(--radius-sm);cursor:pointer;padding:8px 15px;font-size:13px;font-weight:600;transition:background .15s,border-color .15s,box-shadow .15s}.btn:hover:not(:disabled){background:var(--primary-700);border-color:var(--primary-700)}.btn:disabled{opacity:.45;cursor:default}.btn.ghost{background:var(--paper);border:1px solid var(--line2);color:var(--ink)}.btn.ghost:hover:not(:disabled){background:var(--bg2);border-color:var(--muted)}.muted{color:var(--muted)}.pill{border-radius:var(--radius-pill);border:1px solid var(--line2);color:var(--ink2);background:var(--bg2);padding:3px 10px;font-size:11px;font-weight:600}.wrap{grid-template-columns:1fr 1fr;gap:0;height:calc(100vh - 58px);display:grid}.col{padding:18px 20px;overflow:auto}.col.left{border-right:1px solid var(--line);background:var(--bg2)}.uploader{flex-direction:column;gap:16px;max-width:600px;margin:7vh auto;display:flex}.uploader .lede h2{letter-spacing:-.4px;margin:0 0 4px;font-size:22px;font-weight:740}.uploader .lede p{color:var(--muted);margin:0}.uploader .drop{border:1.5px dashed var(--line2);border-radius:var(--radius);text-align:center;background:var(--paper);padding:30px 22px;transition:border-color .15s,background .15s}.uploader .drop:hover{border-color:var(--primary);background:var(--primary-tint)}.uploader .drop .icon{color:var(--primary);font-size:26px}.uploader .drop p{margin:8px 0 12px;font-weight:600}.uploader .drop .hint{color:var(--muted);font-size:12px;font-weight:400}.section-h{text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:6px 0 7px;font-size:11px;font-weight:700}textarea{background:var(--paper);width:100%;height:230px;color:var(--ink2);border:1px solid var(--line2);border-radius:var(--radius-sm);font:12px/1.55 var(--mono);resize:vertical;padding:12px}textarea:focus,input.val:focus{outline:2px solid var(--primary-tint);border-color:var(--primary)}input[type=file]{color:var(--muted);font-size:13px}.pagenav{align-items:center;gap:10px;margin-bottom:12px;display:flex}.page-img{border:1px solid var(--line2);border-radius:var(--radius-sm);width:100%;box-shadow:var(--shadow-sm);background:#fff}.toolbar{background:var(--bg);z-index:2;align-items:center;gap:8px;margin-bottom:12px;padding-bottom:10px;display:flex;position:sticky;top:0}.summary{flex-wrap:wrap;gap:8px;margin:0;display:flex}.stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);align-items:baseline;gap:6px;padding:7px 12px;display:flex}.stat b{letter-spacing:-.3px;font-size:17px;font-weight:720}.stat.flag b{color:var(--signal)}.xcheck{border-radius:var(--radius-sm);border:1px solid var(--line);align-items:center;gap:9px;margin-bottom:14px;padding:11px 14px;font-size:13px;display:flex}.xcheck .dot{border-radius:50%;flex:none;width:8px;height:8px}.xcheck.ok{background:var(--green-tint);color:#14532b;border-color:#bfe3cb}.xcheck.ok .dot{background:var(--green)}.xcheck.warn{background:var(--signal-tint);color:#7a241a;border-color:#f0c4bd}.xcheck.warn .dot{background:var(--signal)}.xcheck b{font-weight:700}.field{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-bottom:9px;padding:12px 13px;transition:box-shadow .15s,border-color .15s}.field:hover{box-shadow:var(--shadow)}.field.review{border-left:3px solid var(--amber)}.field.ungrounded{border-left:3px solid var(--signal)}.field .top{align-items:center;gap:8px;display:flex}.field .en{letter-spacing:-.1px;font-weight:650}.field .de{color:var(--muted);margin-top:1px;font-size:12px}.field .sec{color:var(--muted);font-size:11px}.field .reason{color:var(--ink2);margin-top:5px;font-size:12px}.field .reason b{color:var(--muted);font-weight:600}.field input.val{background:var(--paper);width:100%;color:var(--ink);border:1px solid var(--line2);border-radius:var(--radius-sm);margin-top:8px;padding:7px 9px;font-size:13px}.conf{border-radius:var(--radius-pill);flex:none;margin-left:auto;padding:2px 9px;font-size:11px;font-weight:700}.conf.g{background:var(--green-tint);color:var(--green)}.conf.a{background:var(--amber-tint);color:var(--amber)}.conf.r{background:var(--signal-tint);color:var(--signal)}.field .ground{align-items:center;gap:6px;margin-top:6px;font-size:11.5px;display:flex}.field .ground.ok{color:var(--green);font-family:var(--mono)}.field .ground.bad{color:var(--signal);font-weight:650}.overlay{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:50;background:#f5f6f8b8;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.prog-card{background:var(--paper);border:1px solid var(--line2);text-align:center;width:420px;max-width:90vw;box-shadow:var(--shadow);border-radius:16px;padding:28px 32px}.prog-msg{margin:18px 0 16px;font-weight:650}.prog-bar{background:var(--bg2);border-radius:6px;height:7px;overflow:hidden}.prog-fill{background:var(--primary);height:100%;transition:width .4s}.prog-meta{color:var(--muted);justify-content:space-between;margin-top:13px;font-size:12px;display:flex}.spinner{border:3px solid var(--line2);border-top-color:var(--primary);border-radius:50%;width:30px;height:30px;margin:0 auto;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.errbox{color:var(--signal);background:var(--signal-tint);border-radius:var(--radius-sm);border:1px solid #f0c4bd;padding:9px 12px;font-size:13px}.arch{flex-direction:column;gap:44px;max-width:980px;margin:0 auto;padding:40px 24px 70px;display:flex}.arch-hero h2{letter-spacing:-.6px;margin:0 0 14px;font-size:30px;font-weight:760;line-height:1.22}.arch-hero h2 em{color:var(--primary);font-style:normal}.arch-hero p{color:var(--ink2);max-width:760px;margin:0 0 10px;font-size:15px}.arch-kicker{border-left:3px solid var(--primary);padding:2px 0 2px 14px;color:var(--ink)!important}.arch-flow{counter-reset:stage;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;display:grid}.arch-stage{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:14px 15px 13px;transition:box-shadow .15s,border-color .15s;position:relative}.arch-stage:hover{box-shadow:var(--shadow);border-color:var(--line2)}.arch-stage .num{background:var(--primary);color:#fff;border-radius:7px;justify-content:center;align-items:center;width:24px;height:24px;margin-bottom:9px;font-size:12.5px;font-weight:750;display:flex}.arch-stage .name{letter-spacing:-.15px;margin-bottom:3px;font-weight:700}.arch-stage .desc{color:var(--muted);font-size:12.5px;line-height:1.5}.arch-principle{background:var(--primary-tint);border-radius:var(--radius-sm);color:var(--primary-700);border:1px solid #d4e0f2;margin-top:14px;padding:13px 16px;font-size:14.5px}.arch-principle b{font-weight:750}.arch-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px;display:grid}.arch-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:14px 16px}.arch-card .t{letter-spacing:-.15px;margin-bottom:4px;font-weight:700}.arch-card .t:before{content:"";background:var(--green);border-radius:2px;width:8px;height:8px;margin-right:8px;display:inline-block}.arch-card .d{color:var(--ink2);font-size:13px;line-height:1.55}.arch-proof{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;display:grid}.arch-stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:16px 17px}.arch-stat b{letter-spacing:-.5px;color:var(--primary);margin-bottom:4px;font-size:23px;font-weight:760;display:block}.arch-stat span{color:var(--muted);font-size:12.5px;line-height:1.5;display:block}.arch-note{max-width:720px;margin:12px 0 0;font-size:13px}.arch-demo ol{color:var(--ink2);margin:0 0 14px;padding-left:22px;font-size:14px}.arch-demo li{margin-bottom:6px}.arch-demo p{margin:0;font-size:12.5px}@media (max-width:640px){.arch{gap:34px;padding:26px 16px 50px}.arch-hero h2{font-size:23px}}