.lv-widget{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:14px;line-height:1.5;color:#333;max-width:500px;margin:0 auto;}.lv-label{display:block;font-weight:600;margin-bottom:8px;color:#1a1a1a;}.lv-input-group{display:flex;gap:8px;margin-bottom:12px;}.lv-input{flex:1;padding:10px 12px;font-size:14px;font-family:'Courier New',monospace;border:2px solid #ddd;border-radius:4px;background-color:#fff;color:#333;transition:border-color 0.2s ease,box-shadow 0.2s ease;outline:none;}.lv-input:focus{border-color:#3498db;box-shadow:0 0 0 3px rgba(52,152,219,0.1);}.lv-input[aria-invalid="true"]{border-color:#e74c3c;}.lv-input[aria-invalid="true"]:focus{border-color:#e74c3c;box-shadow:0 0 0 3px rgba(231,76,60,0.1);}.lv-button{padding:10px 20px;font-size:14px;font-weight:600;color:#fff;background-color:#27ae60;border:none;border-radius:4px;cursor:pointer;transition:background-color 0.2s ease,transform 0.1s ease;white-space:nowrap;}.lv-button:hover{background-color:#229954;}.lv-button:active{transform:scale(0.98);}.lv-button:focus{outline:2px solid #3498db;outline-offset:2px;}.lv-button:disabled{background-color:#95a5a6;cursor:not-allowed;transform:none;}.lv-message{padding:10px 12px;border-radius:4px;font-size:13px;min-height:20px;transition:all 0.2s ease;}.lv-message:empty{display:none;}.lv-message.lv-valid{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb;}.lv-message.lv-invalid{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb;}.lv-widget *:focus{outline:2px solid #3498db;outline-offset:2px;}.lv-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0;}@media (max-width:600px){.lv-input-group{flex-direction:column;}.lv-button{width:100%;}}@media (prefers-color-scheme:dark){.lv-widget{color:#e0e0e0;}.lv-label{color:#f0f0f0;}.lv-input{background-color:#2c2c2c;border-color:#555;color:#e0e0e0;}.lv-input:focus{border-color:#3498db;}.lv-message.lv-valid{background-color:#1e4620;color:#a3d9a3;border-color:#2d5a2f;}.lv-message.lv-invalid{background-color:#4a1f1f;color:#f5a3a3;border-color:#5a2f2f;}}