:root{font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color:#1f2937;background:#f8fafc}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#fff7ed,#f8fafc 220px);min-height:100vh}#root{width:100%;min-height:100vh}.container{max-width:600px;margin:0 auto;padding:30px 20px 48px}.header{background:linear-gradient(140deg,#f97316,#fb7185);color:#fff;border-radius:20px;padding:28px 24px;box-shadow:0 18px 35px #f9731633;margin-bottom:24px}.header h1,.header p{margin:0}.header h1{font-size:28px;font-weight:700}.header p{margin-top:10px;color:#ffedd5;font-size:16px}.calculator-form{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:24px;box-shadow:0 8px 24px #0f172a0a}.form-grid{display:grid;gap:20px;margin-bottom:24px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-weight:600;color:#374151;font-size:14px}.input-wrapper{position:relative;display:flex;align-items:center;gap:8px}.radio-wrapper{display:flex;align-items:center;gap:6px;cursor:pointer;padding:8px 12px;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:8px;transition:all .2s ease;min-width:80px;justify-content:center}.radio-wrapper:hover{background:#e2e8f0;border-color:#94a3b8}.radio-wrapper:has(input:checked){background:#f97316;border-color:#f97316}.radio-wrapper:has(input:checked) .radio-label{color:#fff}.radio-input{display:none}.radio-label{font-size:12px;font-weight:600;color:#475569;-webkit-user-select:none;user-select:none}.form-group input{width:100%;border:1px solid #cbd5e1;border-radius:12px;padding:12px 16px;font-size:16px;color:#0f172a;background:#fff;transition:all .2s ease}.form-group input:focus{outline:none;border-color:#fb923c;box-shadow:0 0 0 3px #fb923c1a}.form-group input:disabled,.form-group input.disabled{background:#f1f5f9;color:#64748b;cursor:not-allowed;opacity:.7}.input-suffix{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:#64748b;font-weight:500;pointer-events:none}.calculate-button{width:100%;background:linear-gradient(140deg,#f97316,#fb7185);color:#fff;border:none;border-radius:12px;padding:14px 24px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;margin-bottom:20px}.calculate-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 20px #f973164d}.calculate-button:disabled{background:#94a3b8;cursor:not-allowed;transform:none;box-shadow:none}.result-section{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:20px;margin-top:20px}.result-section h3{margin:0 0 16px;color:#1f2937;font-size:18px;font-weight:600}.result-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #e2e8f0}.result-item:last-child{border-bottom:none}.result-label{font-weight:500;color:#374151}.result-value{font-weight:700;color:#f97316;font-size:18px}.status-message{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px;font-weight:500}.status-message.info{background:#dbeafe;color:#1e40af;border:1px solid #93c5fd}.status-message.success{background:#dcfce7;color:#166534;border:1px solid #86efac}.status-message.error{background:#fef2f2;color:#dc2626;border:1px solid #fca5a5}@media (max-width: 640px){.container{padding:20px 14px 40px}.header{padding:22px 18px}.header h1{font-size:24px}.calculator-form{padding:20px}}