/* Estilos para campos com máscara e validação */
.form-control.is-valid {
    border-color: #28a745;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='m2.3 6.73.94-.94 1.38 1.38 3.45-3.45.94.94L3.24 9.41z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(.375em + .1875rem) center;
    background-size: calc(.75em + .375rem) calc(.75em + .375rem);
}

.form-control.is-invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23dc3545' viewBox='0 0 12 12'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 2.4 2.4M8.2 4.6l-2.4 2.4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(.375em + .1875rem) center;
    background-size: calc(.75em + .375rem) calc(.75em + .375rem);
}

/* Animações suaves para transições */
.form-control {
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, background-image 0.15s ease-in-out;
}

/* Tooltip personalizado para validação */
.field-tooltip {
    position: relative;
}

.field-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 0;
    background: #333;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 1000;
}

.field-tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Estilos para feedback visual */
.form-feedback {
    font-size: 0.875em;
    margin-top: 0.25rem;
}

.form-feedback.valid-feedback {
    color: #28a745;
}

.form-feedback.invalid-feedback {
    color: #dc3545;
}

/* Melhorias para o layout de cadastro */
.register-card {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estilos para campos de formulário com ícones */
.input-group-text {
    background-color: #f8f9fa;
    border-color: #ced4da;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-label i {
    margin-right: 0.25rem;
}

/* Responsividade aprimorada */
@media (max-width: 768px) {
    .register-card {
        margin: 1rem;
        padding: 2rem !important;
    }
}

/* Loading state para campos */
.form-control.loading {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='%236c757d' d='M8 3a5 5 0 1 0 4.546 2.914.5.5 0 0 1 .908-.417A6 6 0 1 1 8 2v1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(.375em + .1875rem) center;
    background-size: calc(.75em + .375rem) calc(.75em + .375rem);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}