/* Form validation styles */
.form-group {
    position: relative;
    margin-bottom: 1rem;
}

.error-message {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.125rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}

.form-group input.error,
.form-group select.error {
    border-color: #dc2626;
}

.form-group input.valid,
.form-group select.valid {
    border-color: #22c55e;
}

/* Loading spinner */
.submit-button {
    position: relative;
}

.submit-button.loading {
    color: transparent;
}

.submit-button.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s infinite linear;
}

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

/* Form success/error messages */
.form-message {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.form-message.show {
    opacity: 1;
    transform: translateY(0);
}

.form-message.success {
    background-color: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-message.error {
    background-color: rgba(220, 38, 38, 0.1);
    color: #dc2626;
    border: 1px solid rgba(220, 38, 38, 0.2);
}

/* Disable submit button */
.submit-button:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
    opacity: 0.7;
}

/* Mobile responsiveness */
@media (max-width: 640px) {    
    .error-message {
        font-size: 0.75rem;
    }
}