.iban-verifier-container{margin:0 auto}.iban-input-section .input-group{margin-bottom:1rem}.iban-input-section label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-primary)}.iban-input{width:100%;padding:1rem;border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:1.1rem;font-family:'Courier New',monospace;letter-spacing:1px;transition:border-color var(--transition-fast);background:var(--bg-primary);color:var(--text-primary)}.iban-input:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(99,102,241,.1)}.iban-input::placeholder{color:var(--text-muted);font-family:inherit}.help-text{display:block;margin-top:.5rem;color:var(--text-muted);font-size:.875rem}.action-buttons{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1rem}.validation-status .status-display{display:flex;align-items:center;gap:1rem}.status-icon{font-size:2rem;line-height:1}.status-text{font-size:1.1rem;font-weight:600}.status-valid{color:var(--success-color)}.status-invalid{color:var(--error-color)}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem}.info-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem;background:var(--bg-secondary);border-radius:var(--radius-sm);border-left:4px solid var(--primary-color)}.info-label{font-weight:600;color:var(--text-secondary)}.info-value{font-weight:500;color:var(--text-primary)}.monospace{font-family:'Courier New',monospace;letter-spacing:.5px}.card-header{display:flex;justify-content:space-between;align-items:center}.card-header h3{margin:0}.structure-breakdown{background:var(--bg-secondary);padding:1.5rem;border-radius:var(--radius-md);margin-bottom:1rem;font-family:'Courier New',monospace;font-size:1.2rem;letter-spacing:2px;line-height:1.8;word-break:break-all;text-align:center}.structure-part{display:inline-block;padding:.25rem .5rem;margin:.125rem;border-radius:var(--radius-sm);font-weight:600;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.1)}.structure-part.country{background:#3b82f6}.structure-part.check{background:#10b981}.structure-part.bank{background:#f59e0b}.structure-part.account{background:#8b5cf6}.structure-legend{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}.legend-item{display:flex;align-items:center;gap:.5rem;font-size:.875rem}.legend-color{width:1rem;height:1rem;border-radius:var(--radius-sm)}.country-color{background:#3b82f6}.check-color{background:#10b981}.bank-color{background:#f59e0b}.account-color{background:#8b5cf6}.error-section{border-left:4px solid var(--error-color)}.error-display{display:flex;align-items:center;gap:1rem}.error-icon{font-size:1.5rem}.error-text{color:var(--error-color);font-weight:500}.instruction-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.instruction-item{text-align:center;padding:1.5rem;background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color)}.instruction-item h4{margin:0 0 .5rem;color:var(--primary-color);font-size:1.1rem}.instruction-item p{margin:0;color:var(--text-secondary);line-height:1.5}.about-iban{padding:1.5rem;background:var(--bg-secondary);border-radius:var(--radius-md);border-left:4px solid var(--primary-color)}.about-iban h4,.about-iban h5{color:var(--primary-color);margin-top:0}.about-iban ul{margin:.5rem 0;padding-left:1.5rem}.about-iban li{margin-bottom:.5rem;line-height:1.5}@media (max-width:768px){.action-buttons{flex-direction:column}.info-grid{grid-template-columns:1fr}.info-item{flex-direction:column;align-items:flex-start;gap:.5rem}.instruction-grid{grid-template-columns:1fr}.structure-breakdown{font-size:1rem;letter-spacing:1px;padding:1rem}.card-header{flex-direction:column;align-items:flex-start;gap:1rem}.structure-legend{justify-content:flex-start}}@media (max-width:480px){.iban-input{font-size:1rem;padding:.75rem}.structure-breakdown{font-size:.9rem;letter-spacing:.5px;line-height:1.6}.structure-part{padding:.125rem .25rem;margin:.0625rem}}.error-section,.results-section{animation:.3s ease-in-out fadeIn}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}#copy-iban-btn{transition:all var(--transition-fast)}#copy-iban-btn:hover{background:var(--primary-color);color:#fff}.btn:focus,.iban-input:focus{outline:2px solid var(--primary-color);outline-offset:2px}.iban-input.valid{border-color:var(--success-color)}.iban-input.invalid{border-color:var(--error-color)}