:root{--primary-color: #3498db;--secondary-color: #2980b9;--accent-color: #e74c3c;--background-color: #f8f9fa;--card-background: #ffffff;--text-color: #333333;--input-text-color: #333333;--border-color: #e0e0e0;--success-color: #2ecc71;--warning-color: #f39c12;--error-color: #e74c3c;--border-radius: 12px;--box-shadow: 0 4px 6px rgba(0, 0, 0, .1);--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background-color:var(--background-color);color:var(--text-color);min-height:100vh;display:flex;flex-direction:column}#root{width:100%;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:2rem}.container{width:100%;max-width:1200px;margin:0 auto;padding:1rem}.card{background-color:var(--card-background);border-radius:var(--border-radius);box-shadow:var(--box-shadow);padding:2rem;margin-bottom:1.5rem;transition:var(--transition)}.card:hover{box-shadow:0 6px 12px #00000026}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500}.form-control{width:100%;padding:.75rem 1rem;font-size:1rem;border:1px solid var(--border-color);border-radius:var(--border-radius);background-color:#fff;color:var(--input-text-color);transition:var(--transition)}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3498db40}.btn{display:inline-block;font-weight:500;text-align:center;white-space:nowrap;vertical-align:middle;-webkit-user-select:none;user-select:none;border:1px solid transparent;padding:.75rem 1.5rem;font-size:1rem;line-height:1.5;border-radius:var(--border-radius);transition:var(--transition);cursor:pointer}.btn-primary{color:#fff;background-color:var(--primary-color);border-color:var(--primary-color)}.btn-primary:hover{background-color:var(--secondary-color);border-color:var(--secondary-color)}.btn-secondary{color:#fff;background-color:#6c757d;border-color:#6c757d}.btn-secondary:hover{background-color:#5a6268;border-color:#545b62}.text-center{text-align:center}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.w-full{width:100%}.grid{display:grid;grid-gap:1rem}.grid-cols-1{grid-template-columns:1fr}@media (min-width: 640px){.grid-cols-2{grid-template-columns:repeat(2,1fr)}}@media (min-width: 768px){.grid-cols-3{grid-template-columns:repeat(3,1fr)}}.step-indicator{display:flex;justify-content:center;margin-bottom:2rem}.step{width:40px;height:40px;border-radius:50%;background-color:#e0e0e0;color:#666;display:flex;align-items:center;justify-content:center;margin:0 1rem;position:relative;font-weight:700}.step.active{background-color:var(--primary-color);color:#fff}.step.completed{background-color:var(--success-color);color:#fff}.step-connector{flex:1;height:2px;background-color:#e0e0e0;margin-top:20px}.step-connector.active{background-color:var(--primary-color)}.app-container{display:flex;flex-direction:column;min-height:100vh;width:100%}.main-content{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}.text-error{color:var(--error-color);font-size:.875rem;margin-top:.25rem}.bg-light{background-color:#f8f9fa}.text-xl{font-size:1.25rem}.font-bold{font-weight:700}.form-control{color:var(--input-text-color)}.form-control:disabled{background-color:#e9ecef;cursor:not-allowed}input[type=number],input[type=text],select{color:var(--input-text-color)}.card.bg-light{background-color:#f8f9fa}.btn-success{color:#fff;background-color:var(--success-color);border-color:var(--success-color)}.btn-success:hover{background-color:#27ae60;border-color:#27ae60}.btn-warning{color:#fff;background-color:var(--warning-color);border-color:var(--warning-color)}.btn-warning:hover{background-color:#e67e22;border-color:#e67e22}.btn-danger{color:#fff;background-color:var(--error-color);border-color:var(--error-color)}.btn-danger:hover{background-color:#c0392b;border-color:#c0392b}header h1{color:var(--primary-color);margin-bottom:.5rem}footer{background-color:#f8f9fa;border-top:1px solid #e0e0e0;color:#666}@media (max-width: 768px){.step{width:30px;height:30px;font-size:.875rem;margin:0 .5rem}.card{padding:1.5rem}header h1{font-size:1.75rem}}.input-group{position:relative;display:flex;align-items:center;width:100%}.input-prefix{position:absolute;left:12px;color:var(--input-text-color);z-index:10;font-weight:500}.input-group .form-control{padding-left:28px}.formula-hint{font-size:.85rem;color:#666;font-style:italic}.formula-text{font-size:.85rem;color:var(--primary-color);margin-top:.25rem}.limit-text{font-size:.85rem;color:var(--warning-color);margin-top:.25rem}input:disabled{background-color:#f8f9fa!important;cursor:not-allowed;border-color:#e0e0e0;opacity:.8}.bg-primary{background-color:var(--primary-color)}.text-white{color:#fff}.text-right{text-align:right}@media print{.btn{display:none}.app-container{padding:0;margin:0}.step-indicator{display:none}.card{box-shadow:none;border:1px solid #ddd;margin-bottom:1rem}}.table-auto{width:100%;border-collapse:collapse}.border{border:1px solid #ddd}.p-2{padding:.5rem}.bg-highlight{background-color:#f8f9fa}.overflow-x-auto{overflow-x:auto}input,select,textarea{color:#333!important;background-color:#fff!important}input::placeholder,select::placeholder,textarea::placeholder{color:#999!important}input:focus,select:focus,textarea:focus{color:#333!important;background-color:#fff!important;border-color:var(--primary-color)!important;box-shadow:0 0 0 3px #3498db40!important}option{color:#333!important;background-color:#fff!important}