.sy-login-box {
    max-width: 360px;
    margin: 80px auto;
    padding: 24px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,.15);
}

.sy-login-box h2 {
    text-align: center;
    margin-bottom: 16px;
}

.sy-login-box label {
    display: block;
    margin-top: 12px;
    font-weight: 600;
}

.sy-login-box input {
    width: 100%;
    padding: 10px;
    margin-top: 6px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.sy-login-box button {
    width: 100%;
    margin-top: 18px;
    padding: 10px;
    background: #ff6a00;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
}

.sy-login-box button:hover {
    filter: brightness(1.1);
}

.sy-login-error {
    background: #ffe1e1;
    color: #a40000;
    padding: 8px;
    margin-bottom: 12px;
    border-radius: 4px;
    text-align: center;
}