* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #222;
}

.container {
    max-width: 650px;
    margin: 40px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

h2 {
    margin-top: 0;
    margin-bottom: 25px;
    text-align: center;
}

label {
    display: block;
    margin-top: 16px;
    margin-bottom: 7px;
    font-weight: 600;
}

input,
select {
    width: 100%;
    padding: 12px;
    border: 1px solid #d5d9de;
    border-radius: 7px;
    font-size: 15px;
    background: #fff;
}

input:focus,
select:focus {
    outline: none;
    border-color: #333;
}

#total_claim {
    background: #f1f3f5;
    font-weight: bold;
}

button {
    width: 100%;
    margin-top: 25px;
    padding: 13px;
    border: 0;
    border-radius: 7px;
    background: #222;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

button:hover {
    opacity: 0.9;
}

@media (max-width: 600px) {
    .container {
        margin: 15px;
        padding: 20px;
    }
}