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.form-input{width:100%}.convergence-info{padding:15px;background:linear-gradient(135deg,#fef3c7 0%,#fde68a 100%);border-radius:12px;border:2px solid #fbbf24;margin:15px 0}.convergence-info h4{color:#92400e;margin-bottom:10px;font-size:1.1rem}.convergence-value{font-size:1.5rem;font-family:'Roboto Mono',monospace;color:#b45309;font-weight:700;text-align:center;padding:10px;background:#fff;border-radius:8px;margin:10px 0}.golden-ratio-symbol{font-size:2rem;color:#f59e0b;margin:0 10px}.error-message{padding:12px 15px;background:linear-gradient(135deg,#fee2e2 0%,#fecaca 100%);border:2px solid #ef4444;border-radius:8px;color:#991b1b;font-weight:600;margin:10px 0;display:flex;align-items:center;gap:10px}.error-message i{font-size:1.2rem}.warning-message{padding:12px 15px;background:linear-gradient(135deg,#fef3c7 0%,#fde68a 100%);border:2px solid #f59e0b;border-radius:8px;color:#92400e;font-weight:600;margin:10px 0;display:flex;align-items:center;gap:10px}.warning-message i{font-size:1.2rem}@media(max-width:992px){.initial-values-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.result-grid{grid-template-columns:1fr}.result-item-large{grid-column:span 1}.result-item-value{font-size:1.5rem}.result-item-large .result-item-value{font-size:1.8rem}.equation-roots{grid-template-columns:1fr}.initial-values-grid{grid-template-columns:1fr}.sequence-term{font-size:.9rem;padding:6px 10px}.chart-container{height:250px}}@media(max-width:576px){.sequence-display{gap:6px;padding:10px}.sequence-term{font-size:.85rem;padding:5px 8px}.result-item-value{font-size:1.3rem}.characteristic-equation{padding:15px}.equation-formula{font-size:1.1rem}.chart-container{height:200px;padding:10px}}@media print{.sequence-term{break-inside:avoid}.calculation-step{break-inside:avoid;page-break-inside:avoid}.chart-container{height:400px;page-break-inside:avoid}}