*{box-sizing:border-box}:root{color:#111827;font-synthesis:none;text-rendering:optimizelegibility;background:#f3f4f6;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html{min-width:320px}body{background:#f3f4f6;min-width:320px;min-height:100vh;margin:0}button,input,select{font:inherit}button{cursor:pointer}.app{width:100%;max-width:1200px;margin:0 auto;padding:40px 24px 32px}.app-header{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:32px;display:flex}.eyebrow{letter-spacing:.12em;text-transform:uppercase;color:#6b7280;margin:0 0 8px;font-size:12px;font-weight:700}.app-header h1{letter-spacing:-.03em;margin:0;font-size:clamp(30px,5vw,44px);line-height:1.1}.header-description{color:#6b7280;max-width:650px;margin:12px 0 0;font-size:16px;line-height:1.6}.logout-button{color:#374151;background:#fff;border:1px solid #d1d5db;border-radius:10px;flex-shrink:0;padding:10px 16px;font-weight:600;transition:background .2s,border-color .2s}.logout-button:hover{background:#f9fafb;border-color:#9ca3af}.calculator-layout{grid-template-columns:minmax(0,1.5fr) minmax(320px,.9fr);gap:24px;display:grid}.calculator-card,.result-card{background:#fff;border:1px solid #e5e7eb;border-radius:20px;padding:28px;box-shadow:0 10px 30px #1118270d}.result-card{height:fit-content}.section-header{margin-bottom:24px}.section-header h2{letter-spacing:-.02em;margin:0;font-size:21px}.section-header p{color:#6b7280;margin:6px 0 0;line-height:1.5}.form-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.full-width{grid-column:1/-1}.form-group{flex-direction:column;gap:8px;display:flex}.form-group label{color:#374151;font-size:14px;font-weight:650}.form-group input,.form-group select{color:#111827;background:#fff;border:1px solid #d1d5db;border-radius:10px;outline:none;width:100%;min-height:48px;padding:11px 14px;transition:border-color .2s,box-shadow .2s}.form-group input:focus,.form-group select:focus{border-color:#6b7280;box-shadow:0 0 0 3px #6b72801f}.material-info{background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;grid-template-columns:1fr 1fr;gap:16px;padding:16px;display:grid}.material-info>div{flex-direction:column;gap:4px;display:flex}.info-label{color:#6b7280;text-transform:uppercase;letter-spacing:.05em;font-size:12px;font-weight:600}.material-info strong{font-size:15px}.rate-box{border-top:1px solid #e5e7eb;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px;padding-top:22px;display:grid}.rate-box>div{background:#f9fafb;border-radius:12px;padding:14px}.rate-box span,.rate-box strong{display:block}.rate-box span{color:#6b7280;margin-bottom:5px;font-size:13px}.rate-box strong{font-size:18px}.result-list{flex-direction:column;display:flex}.result-row{border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;gap:18px;padding:18px 0;display:flex}.result-row:last-child{border-bottom:none}.result-label{font-size:15px;font-weight:650;display:block}.result-description{color:#6b7280;margin-top:5px;font-size:13px;display:block}.result-row strong{flex-shrink:0;font-size:17px}.total-box{color:#fff;background:#111827;border-radius:14px;justify-content:space-between;align-items:center;gap:18px;margin-top:18px;padding:20px;display:flex}.total-box span{font-size:15px;font-weight:700}.total-box p{opacity:.7;margin:5px 0 0;font-size:13px}.total-box strong{letter-spacing:-.03em;font-size:28px}.info-section{margin-top:24px;padding:24px 4px}.info-section h2{margin:0 0 10px;font-size:18px}.info-section p{color:#6b7280;max-width:850px;margin:8px 0;line-height:1.65}.app-footer{color:#9ca3af;border-top:1px solid #e5e7eb;justify-content:space-between;gap:16px;padding-top:18px;font-size:13px;display:flex}.login-page{background:#f3f4f6;justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{background:#fff;border:1px solid #e5e7eb;border-radius:20px;width:100%;max-width:420px;padding:34px;box-shadow:0 20px 50px #11182714}.login-icon{color:#fff;background:#111827;border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:20px;font-size:14px;font-weight:800;display:flex}.login-card h1{letter-spacing:-.03em;margin:0;font-size:28px}.login-subtitle{color:#6b7280;margin:8px 0 28px}.login-card form{flex-direction:column;gap:18px;display:flex}.login-button{color:#fff;background:#111827;border:none;border-radius:10px;min-height:48px;margin-top:4px;font-weight:700;transition:opacity .2s}.login-button:hover{opacity:.9}.login-error{color:#dc2626;margin:-4px 0 0;font-size:14px}@media (width<=850px){.calculator-layout{grid-template-columns:1fr}}@media (width<=600px){.app{padding:24px 16px}.app-header{flex-direction:column}.logout-button{align-self:flex-start}.calculator-card,.result-card{border-radius:16px;padding:20px}.form-grid{grid-template-columns:1fr}.full-width{grid-column:auto}.material-info,.rate-box{grid-template-columns:1fr}.total-box{flex-direction:column;align-items:flex-start}.app-footer{flex-direction:column}.login-card{padding:26px}}