:root{--blue:#1e3a8a;--blue-lt:#3b82f6;--bg:#f0f4f8;--white:#fff;--border:#e2e8f0;--text:#0f172a;--muted:#64748b;--err:#ef4444;--ok:#22c55e}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);height:100dvh;display:flex;flex-direction:column;overflow:hidden}#hdr{background:var(--blue);color:#fff;padding:10px 16px;display:flex;align-items:center;gap:12px;flex-shrink:0}#hdr-info{flex:1}#hdr-title{font-size:14px;font-weight:700;line-height:1.2}#hdr-sub{font-size:11px;opacity:.75;margin-top:2px}#prog-wrap{width:100%;height:4px;background:#fff3;border-radius:2px;margin-top:6px;overflow:hidden}#prog-bar{height:100%;background:#60a5fa;border-radius:2px;transition:width .4s ease;width:0}#sect-badge{font-size:10px;background:#ffffff2e;padding:3px 10px;border-radius:20px;white-space:nowrap;flex-shrink:0}#chat{flex:1;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;gap:14px}#chat::-webkit-scrollbar{width:4px}#chat::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.m-bot,.m-usr{display:flex;gap:8px;animation:fi .25s ease}.m-bot{align-self:flex-start;max-width:88%}.m-usr{align-self:flex-end;max-width:88%;flex-direction:row-reverse}@keyframes fi{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.av{width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;margin-top:2px}.bbl{padding:10px 14px;border-radius:18px;font-size:13px;line-height:1.55;max-width:calc(100% - 42px)}.m-bot .bbl{background:#fff;border-radius:4px 18px 18px;box-shadow:0 1px 3px #00000017}.m-usr .bbl{background:var(--blue);color:#fff;border-radius:18px 4px 18px 18px;max-width:100%}.bbl em{font-style:normal;font-weight:600}#inp{background:#fff;border-top:1px solid var(--border);padding:14px 16px 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.18s;-webkit-user-select:none;user-select:none}.chip:hover{border-color:var(--blue-lt)}.chip.sel{background:var(--blue);color:#fff;border-color:var(--blue)}.frow{display:flex;gap:10px;margin-bottom:10px;flex-wrap:wrap}.ff{flex:1;min-width:130px}.ff.fw{flex:0 0 100%}.ff label{display:block;font-size:11px;font-weight:600;color:var(--muted);margin-bottom:3px;text-transform:uppercase;letter-spacing:.03em}.ff label .req{color:var(--err)}.ff input,.ff select,.ff textarea{width:100%;padding:8px 11px;border:1.5px solid var(--border);border-radius:7px;font-size:13px;outline:none;transition:border-color .18s;background:#f8fafc;color:var(--text)}.ff input:focus,.ff select:focus,.ff textarea:focus{border-color:var(--blue);background:#fff}.ff input.err,.ff select.err,.ff textarea.err{border-color:var(--err)}.ff textarea{resize:vertical;min-height:90px}.ff select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg 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28px;border-radius:22px;font-size:13px;font-weight:700;cursor:pointer;margin-right:10px}.btn-pa{background:#7c3aed;color:#fff;border:none;padding:11px 28px;border-radius:22px;font-size:13px;font-weight:700;cursor:pointer}.sig-wrap{border:1.5px solid var(--border);border-radius:8px;overflow:hidden;margin-bottom:8px;position:relative}canvas#sigC{width:100%;height:110px;display:block;cursor:crosshair;touch-action:none}.sig-tools{padding:6px 10px;background:#f8fafc;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted)}.btn-clr{background:none;border:none;color:var(--err);font-size:11px;font-weight:700;cursor:pointer}.rv-sec{margin-bottom:14px}.rv-sec h4{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--blue);border-bottom:2px solid var(--blue);padding-bottom:3px;margin-bottom:7px}.rv-row{display:flex;gap:8px;font-size:12px;padding:3px 0;border-bottom:1px solid #f1f5f9}.rv-lbl{flex:0 0 150px;font-weight:600;color:var(--muted)}.rv-val{flex:1;color:var(--text)}.spin{display:inline-block;width:18px;height:18px;border:2px solid #ddd;border-top-color:var(--blue);border-radius:50%;animation:sp .8s linear infinite;vertical-align:middle;margin-right:6px}@keyframes sp{to{transform:rotate(360deg)}}.banner-ok{background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d;padding:14px;border-radius:8px;font-weight:700;text-align:center}.banner-err{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:10px;border-radius:8px;font-size:13px;margin-bottom:10px}.cert-row{display:flex;align-items:flex-start;gap:10px;margin-top:10px;font-size:13px;background:#fffbeb;border:1px solid #fde68a;padding:10px;border-radius:7px}.cert-row input{margin-top:2px;accent-color:var(--blue);width:16px;height:16px;flex-shrink:0}@media (max-width:767px){.m-bot,.m-usr{max-width:96%}.ff{min-width:100%}.btn-grp{flex-direction:column}#hdr{padding:8px 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