:root{--indigo:#4f46e5;--indigo-d:#4338ca;--indigo-l:#eef2ff;--slate-900:#0f172a;--slate-700:#334155;--slate-600:#475569;--slate-500:#64748b;--slate-400:#94a3b8;--slate-300:#cbd5e1;--slate-200:#e2e8f0;--slate-100:#f1f5f9;--slate-50:#f8fafc;--green:#16a34a;--green-bg:#dcfce7;--red:#dc2626;--red-bg:#fee2e2;--amber:#d97706;--amber-bg:#fef3c7;--radius:14px;--shadow:0 1px 3px #0f172a0f, 0 8px 24px #0f172a0a;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}body{font-family:var(--font);color:var(--slate-900);background:radial-gradient(1200px 500px at 50% -200px, var(--indigo-l), transparent), var(--slate-50);-webkit-font-smoothing:antialiased;margin:0;line-height:1.5}button,input,select,textarea{font:inherit}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{border-bottom:1px solid var(--slate-200);z-index:10;background:#fff;align-items:center;gap:20px;padding:14px 24px;display:flex;position:sticky;top:0}.brand{min-width:0;color:inherit;align-items:center;gap:8px;text-decoration:none;display:flex}.brand:hover .brand-name{color:var(--indigo)}.brand-dot{background:var(--indigo);border-radius:50%;flex-shrink:0;width:12px;height:12px}.brand-name{font-size:16px;font-weight:800}.brand-sep{color:var(--slate-400)}.brand-app{color:var(--slate-600);font-size:15px;font-weight:600}.tabs{gap:4px;margin-left:8px;display:flex}.tab{color:var(--slate-500);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 14px;font-size:14px;font-weight:600}.tab:hover{color:var(--slate-900);background:var(--slate-100)}.tab-active{color:var(--indigo);background:var(--indigo-l)}.topbar-right{align-items:center;gap:12px;margin-left:auto;display:flex}.mock-badge{letter-spacing:.04em;color:var(--amber);background:var(--amber-bg);border-radius:20px;padding:4px 10px;font-size:11px;font-weight:700}.avatar{background:var(--indigo);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;font-weight:700;display:flex}.user-menu{align-items:center;gap:10px;display:flex}.user-label{text-overflow:ellipsis;white-space:nowrap;max-width:180px;color:var(--slate-600);font-size:13px;overflow:hidden}.container{width:100%;max-width:1180px;margin:0 auto;padding:24px 20px 48px}.grid-2{grid-template-columns:1fr 1fr;align-items:start;gap:20px;display:grid}@media (width<=900px){.grid-2{grid-template-columns:1fr}}.card{border:1px solid var(--slate-200);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;padding:22px}.card-actions{justify-content:flex-end;margin-top:16px;display:flex}.stepper{justify-content:center;align-items:center;gap:0;margin-bottom:28px;padding:8px 0;display:flex}.step-wrap{align-items:center;display:flex}.step{color:var(--slate-400);align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.step-num{border:2px solid var(--slate-300);background:#fff;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;display:flex}.step-active{color:var(--indigo)}.step-active .step-num{border-color:var(--indigo);background:var(--indigo-l);color:var(--indigo)}.step-done{color:var(--green)}.step-done .step-num{border-color:var(--green);background:var(--green-bg);color:var(--green)}.step-line{background:var(--slate-200);width:48px;height:2px;margin:0 10px}.step-line-done{background:var(--green)}.field{margin-bottom:16px}.field-inline{grid-template-columns:1fr 1.2fr;align-items:start;gap:12px;display:grid}@media (width<=640px){.field-inline{grid-template-columns:1fr}}.field-label{color:var(--slate-700);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.field-control{min-width:0}.section-title{color:var(--slate-500);text-transform:uppercase;letter-spacing:.06em;border-top:1px solid var(--slate-100);margin:8px 0 14px;padding-top:8px;font-size:13px;font-weight:700}.req{color:var(--red)}.input,.select{border:1px solid var(--slate-300);width:100%;height:40px;color:var(--slate-900);background:#fff;border-radius:8px;padding:0 12px}.input:focus,.select:focus{border-color:var(--indigo);outline:none;box-shadow:0 0 0 3px #4f46e526}.input-unit{align-items:center;gap:8px;display:flex}.unit{color:var(--slate-500);white-space:nowrap;font-size:13px}.btn{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;height:40px;padding:0 18px;font-size:14px;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{height:32px;padding:0 12px;font-size:13px}.btn-lg{height:44px;padding:0 24px;font-size:15px}.btn-primary{background:var(--indigo);color:#fff}.btn-primary:hover:not(:disabled){background:var(--indigo-d)}.btn-secondary{color:var(--slate-700);border-color:var(--slate-300);background:#fff}.btn-secondary:hover:not(:disabled){border-color:var(--slate-400);background:var(--slate-50)}.btn-ghost{color:var(--indigo);border-color:var(--slate-300);background:#fff}.btn-ghost:hover:not(:disabled){border-color:var(--indigo);background:var(--indigo-l)}.link-btn{color:var(--indigo);cursor:pointer;text-underline-offset:2px;background:0 0;border:none;padding:0;font-size:14px;font-weight:600;text-decoration:underline}.link-btn:disabled{opacity:.5;cursor:not-allowed}.banner{border-radius:8px;margin-top:12px;padding:12px 14px;font-size:14px}.banner-error{background:var(--red-bg);color:var(--red);border:1px solid #fecaca}.banner-info{background:var(--indigo-l);color:var(--indigo-d);border:1px solid #c7d2fe}.hint-row{color:var(--slate-500);margin-top:10px;font-size:13px}.filedrop{flex-direction:column;gap:14px;display:flex}.dropzone{border:2px dashed var(--slate-300);border-radius:var(--radius);text-align:center;cursor:pointer;background:var(--slate-50);padding:28px 20px;transition:all .15s}.dropzone:hover,.dropzone-over{border-color:var(--indigo);background:var(--indigo-l)}.dropzone-icon{color:var(--indigo);margin-bottom:8px}.dropzone-text{color:var(--slate-700);font-size:15px}.dropzone-hint{color:var(--slate-500);margin-top:4px;font-size:13px}.filelist-title{text-transform:uppercase;letter-spacing:.06em;color:var(--slate-500);margin-bottom:8px;font-size:12px;font-weight:700}.filerow{border-bottom:1px solid var(--slate-100);grid-template-columns:1fr auto auto auto;align-items:center;gap:10px;padding:8px 0;font-size:13px;display:grid}.file-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.file-size{color:var(--slate-500)}.file-tag{color:var(--slate-400);font-size:11px}.primary-radio{color:var(--indigo);align-items:center;gap:4px;font-size:12px;display:flex}.file-remove{color:var(--slate-400);cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:18px;line-height:1}.file-remove:hover{color:var(--red)}.converter-row{grid-template-columns:auto 1fr;align-items:center;gap:12px;display:grid}.converter-label{color:var(--slate-600);font-size:13px;font-weight:600}.intake-wrap{justify-content:center;display:flex}.intake-card{width:100%;max-width:640px}.intake-title{margin:0 0 8px;font-size:22px}.round-pill{color:var(--indigo);background:var(--indigo-l);border-radius:20px;margin-bottom:16px;padding:4px 10px;font-size:12px;font-weight:700;display:inline-block}.safety-tag{color:var(--red);background:var(--red-bg);vertical-align:middle;border-radius:12px;margin-left:8px;padding:2px 8px;font-size:11px;font-weight:700}.intake-field{margin-top:18px}.intake-actions{justify-content:space-between;align-items:center;gap:12px;margin-top:24px;display:flex}.results-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;display:flex}.results-title{margin:0;font-size:26px;line-height:1.2}.results-head-actions{flex-wrap:wrap;gap:8px;display:flex}.results-body{grid-template-columns:1fr 300px;align-items:start;gap:20px;display:grid}@media (width<=960px){.results-body{grid-template-columns:1fr}}.tabbar{gap:4px;margin-bottom:12px;display:flex}.tabbtn{color:var(--slate-500);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 14px;font-size:14px;font-weight:600}.tabbtn-active{color:var(--indigo);background:var(--indigo-l)}.diagram-card{text-align:center}.diagram-scroll{background:var(--slate-50);border-radius:8px;max-height:min(80vh,1200px);padding:8px;overflow:auto}.diagram-img{border-radius:4px;width:auto;max-width:none;height:auto;margin:0 auto;display:block}.downloads{flex-direction:column;gap:10px;display:flex}.download-row{border-bottom:1px solid var(--slate-100);justify-content:space-between;align-items:center;gap:12px;padding:8px 0;display:flex}.download-label{font-size:14px;font-weight:500}.download-missing{color:var(--slate-400);font-size:13px}.side-card{margin-bottom:16px}.side-title{margin:0 0 12px;font-size:15px}.kv{grid-template-columns:auto 1fr;gap:8px 16px;margin:0;font-size:13px;display:grid}.kv dt{color:var(--slate-500);font-weight:600}.kv dd{color:var(--slate-900);margin:0}.side-list{color:var(--slate-700);margin:0;padding-left:18px;font-size:13px}.side-list li{margin-bottom:6px}.side-note{color:var(--slate-500);margin:10px 0 0;font-size:12px}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{background:var(--slate-100);color:var(--slate-700);border-radius:20px;padding:4px 10px;font-size:12px}.pill{border-radius:20px;padding:3px 10px;font-size:11px;font-weight:700;display:inline-block}.pill-pass{color:var(--green);background:var(--green-bg)}.pill-fail{color:var(--red);background:var(--red-bg)}.md{color:var(--slate-700);font-size:14px}.md-h2{color:var(--slate-900);margin:20px 0 10px;font-size:18px}.md-h3{color:var(--slate-900);margin:16px 0 8px;font-size:15px}.md-p{margin:8px 0}.md-list{margin:8px 0;padding-left:20px}.md-table-wrap{margin:12px 0;overflow-x:auto}.md-table{border-collapse:collapse;width:100%;font-size:13px}.md-table th,.md-table td{border:1px solid var(--slate-200);text-align:left;padding:8px 10px}.md-table th{background:var(--slate-50);font-weight:700}.auth-screen{background:var(--slate-50);justify-content:center;align-items:center;min-height:100vh;padding:32px;display:flex}.auth-card{border:1px solid var(--slate-200);border-radius:var(--radius);width:100%;max-width:420px;box-shadow:var(--shadow);text-align:center;background:#fff;padding:36px 32px}.auth-dot{margin-bottom:12px;display:inline-block}.auth-title{color:var(--slate-900);margin:0 0 10px;font-size:22px}.auth-muted{color:var(--slate-500);margin:0 0 22px;line-height:1.6}