:root{color:#f8fafc;font-synthesis:none;text-rendering:optimizelegibility;background:#0b1020;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}.power-column-groups{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:20px 0;display:grid}.power-column-groups h3,.power-column-groups>p{grid-column:1/-1;margin:0}.power-column-groups>p{color:#94a3b8}.power-column-groups fieldset{background:#0b1020;border:1px solid #334155;border-radius:8px;min-width:0;margin:0;padding:14px}.power-column-groups legend{color:#e2e8f0;padding:0 6px;font-weight:700}.power-column-groups .check{overflow-wrap:anywhere;margin-top:9px}.workspace{max-width:1180px;margin:auto;padding:28px}.login-shell{background:radial-gradient(circle at 50% 0,#20275b 0,#0000 42%),#0b1020;place-items:center;width:100%;min-height:100vh;padding:28px;display:grid}.login-card,.card{background:#141a2b;border:1px solid #29324b;border-radius:14px;margin-bottom:18px;padding:24px;box-shadow:0 12px 36px #02061755}.login-card{width:min(100%,460px);padding:36px}.login-brand{color:#e2e8f0;align-items:center;gap:10px;font-size:15px;font-weight:700;display:flex}.brand-mark{color:#fff;background:#6366f1;border-radius:8px;place-items:center;width:28px;height:28px;display:grid}.login-intro{margin:32px 0 26px}.login-intro h1{letter-spacing:-.04em;margin:8px 0 12px;font-size:32px}.login-intro p:last-child{color:#94a3b8;margin:0;line-height:1.6}.login-form{gap:18px;display:grid}.login-form label{color:#e2e8f0;gap:8px;font-size:15px}.login-form input{width:100%;height:46px;padding:11px 13px}.login-form input:focus{outline-offset:2px;border-color:#818cf8;outline:2px solid #818cf8}.login-actions{justify-content:center;margin-top:26px;display:flex}.login-actions button{align-self:auto;min-width:112px;height:44px}header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.header-actions{align-items:center;gap:10px;display:flex}h1,h2,h3{color:#fff;margin:.3rem 0 1rem}h2{font-size:18px}h3{font-size:16px}.eyebrow{color:#818cf8;letter-spacing:.08em;text-transform:uppercase;margin:0;font-weight:700}.form-grid,.upload-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:14px 0;display:grid}label{color:#cbd5e1;gap:7px;font-size:14px;display:grid}input,select{color:#f8fafc;font:inherit;background:#0b1020;border:1px solid #334155;border-radius:8px;padding:10px}button{color:#fff;cursor:pointer;background:#6366f1;border:0;border-radius:8px;align-self:end;padding:10px 16px;font-weight:700}button:disabled{opacity:.6;cursor:wait}.secondary{background:#26324c}.notice{color:#dbeafe;background:#172554;border-radius:8px;margin-top:14px;padding:12px}.error{color:#fca5a5;background:#450a0a;border-radius:8px;padding:10px}.module-block{border-top:1px solid #29324b;padding:18px 0}.module-block:first-of-type{border-top:0}.excel-controls{gap:14px;max-width:820px;margin-top:18px;display:grid}.correction-options{width:100%;max-width:none}.result-block{overflow-x:auto}.metrics{flex-wrap:wrap;gap:10px;display:flex}.metrics span{color:#94a3b8;background:#0b1020;border-radius:8px;gap:4px;min-width:120px;padding:12px;display:grid}.metrics b{color:#fff;font-size:19px}.download-actions{flex-wrap:wrap;align-items:center;gap:12px;margin:18px 0;display:flex}.download-actions span{color:#94a3b8}table{border-collapse:collapse;width:100%;margin-top:18px;font-size:14px}th,td{text-align:left;border-bottom:1px solid #29324b;padding:9px}th{color:#a5b4fc}.curve{background:#0b1020;border-radius:8px;width:100%;max-width:650px;margin-top:10px}.axis{stroke:#64748b;fill:none}.line{stroke:#818cf8;stroke-width:3px;fill:none}.check{align-items:center;gap:8px;display:flex}.check input{width:auto}@media (width<=640px){.workspace,.login-shell{padding:16px}.login-card{padding:26px 22px}.login-intro{margin:26px 0 22px}.login-intro h1{font-size:28px}.login-actions{justify-content:center}.login-actions button{width:100%}header{flex-direction:column;align-items:flex-start}.header-actions{flex-wrap:wrap}.download-actions button{width:100%}}.modal-backdrop{z-index:10;background:#020617bb;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal-card{background:#141a2b;border:1px solid #475569;border-radius:14px;width:min(100%,680px);max-height:80vh;padding:24px;overflow:auto;box-shadow:0 20px 60px #000}.altitude-groups{gap:10px;margin:18px 0;display:grid}.altitude-group{cursor:pointer;background:#0b1020;border:1px solid #26334b;border-radius:8px;align-items:flex-start;gap:12px;padding:14px;display:flex}.altitude-group:has(input:checked){background:#17203a;border-color:#6366f1}.altitude-group span{gap:6px;display:grid}.altitude-group small,.altitude-group em{color:#cbd5e1;word-break:break-word;font-size:13px;font-style:normal}.modal-card details{color:#cbd5e1;margin:12px 0 20px}.modal-card details p{word-break:break-all;font-size:13px}