.main-content{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);min-height:100vh}.card{border-radius:15px;background:#fffffff2}.card-body{border-radius:15px}.logo-container{display:inline-block;padding:1rem;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.logo-container i{filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.form-control{border-radius:8px;border:2px solid #e9ecef;transition:border-color .3s ease}.form-control:focus{border-color:#667eea;box-shadow:0 0 0 .2rem #667eea40}.input-group-text{border-radius:8px 0 0 8px;border:2px solid #e9ecef;border-right:none;background-color:#f8f9fa}.input-group .form-control{border-left:none;border-radius:0 8px 8px 0}.input-group .form-control:focus{border-left:none}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;font-weight:600;transition:transform .3s ease}.btn-primary:hover{transform:translateY(-2px)}.btn-primary:disabled{opacity:.7;transform:none}.btn-outline-secondary{border-radius:0 8px 8px 0;border:2px solid #e9ecef;border-left:none}.btn-outline-secondary:hover{background-color:#6c757d;border-color:#6c757d}.form-control.is-invalid{border-color:#dc3545}.form-control.is-valid{border-color:#198754}.invalid-feedback{font-size:.875rem;margin-top:.25rem}.alert-info{background-color:#0dcaf01a;border-color:#0dcaf033;color:#055160}.alert-info code{background-color:#0dcaf033;color:#055160;padding:.2rem .4rem;border-radius:4px;font-size:.875rem}@media (max-width: 768px){.card-body{padding:2rem!important}.col-md-6{margin:0 1rem}}@media (max-width: 576px){.card-body{padding:1.5rem!important}.logo-container i{font-size:2.5rem!important}.h4{font-size:1.5rem!important}}.btn-loading{display:none}.btn-loading.d-none{display:none!important}.btn-loading:not(.d-none){display:inline-flex!important;align-items:center}#errorContainer{max-width:90vw}.card{opacity:0;animation:fadeIn .6s ease-out forwards}@keyframes fadeIn{to{opacity:1}}