/* 登录页面样式 */
.login-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-card:hover {
    transform: translateY(-5px);
}

.login-card-header {
    border-radius: 10px 10px 0 0;
    padding: 1.5rem;
}

.login-card-body {
    padding: 2rem;
}

.login-form-control {
    border-radius: 5px;
    padding: 0.75rem 1rem;
}

.login-form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.login-btn-primary {
    background-color: #0d6efd;
    border: none;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border-radius: 5px;
}

.login-btn-primary:hover {
    background-color: #0b5ed7;
}

.login-invalid-feedback {
    display: none;
    color: #dc3545;
    font-size: 0.875rem;
}

.was-validated .login-form-control:invalid ~ .login-invalid-feedback {
    display: block;
}