.field-error {
    border-color: #dc2626 !important;
    box-shadow: 0 0 0 1px #dc2626 !important;
}

.input-validation-error {
    border-color: #dc2626 !important;
    box-shadow: 0 0 0 1px #dc2626 !important;
}

.field-success {
    border-color: #16a34a !important;
    box-shadow: 0 0 0 1px #16a34a;
}

.shake {
    animation: shake 0.5s ease-in-out;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.field-validation-error {
    color: #dc2626 !important;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block !important;
}

.field-validation-valid {
    display: none !important;
}

.country-item.active {
    background-color: #dbeafe !important;
    color: #1e40af;
}

.glass-header {
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    background-color: rgba(255, 255, 255, 0.65);
    box-shadow: 0 8px 25px rgba(0,0,0,0.25), 0 -4px 10px rgba(255,255,255,0.2), inset 0 2px 6px rgba(255,255,255,0.3);
    border: 1px solid rgba(255, 255, 255, 0.3);
}