.frin-form {
    max-width: 600px;
    margin: 40px auto;
    padding: 32px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    font-family: Inter, Arial, sans-serif;
}

.frin-form input,
.frin-form button {
    width: 100%;
    padding: 12px;
    margin-bottom: 14px;
    border-radius: 8px;
    border: 1px solid #ddd;
}

.frin-form input:invalid {
    border-color: #d93025;
}

.frin-form button {
    background: #0a5ed7;
    color: #fff;
    border: none;
    font-weight: 600;
}

.frin-success {
    background: #e6f4ea;
    border-left: 5px solid #1e8e3e;
    padding: 14px;
    max-width: 600px;
    margin: 20px auto;
    text-align: center;
}

.frin-error {
    background: #fdecea;
    border-left: 5px solid #d93025;
    padding: 14px;
    max-width: 600px;
    margin: 20px auto;
    text-align: center;
}