body {
    margin: 0;
    font-family: Tahoma, Arial, sans-serif;
    background: #f4f6f8;
    color: #222;
}
.container {
    max-width: 760px;
    margin: 40px auto;
    padding: 16px;
}
.container.wide {
    max-width: 1100px;
}
.card {
    background: white;
    padding: 28px;
    border-radius: 14px;
    box-shadow: 0 8px 25px rgba(0,0,0,.08);
}
h1, h2, h3 {
    margin-top: 0;
}
label {
    display: block;
    margin-top: 14px;
    font-weight: bold;
}
input, select, textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 10px;
    margin-top: 6px;
    border: 1px solid #ccc;
    border-radius: 8px;
}
textarea {
    min-height: 90px;
}
.check {
    font-weight: normal;
}
.check input {
    width: auto;
}
.btn {
    display: inline-block;
    margin-top: 20px;
    background: #1f6feb;
    color: white;
    padding: 12px 22px;
    border-radius: 8px;
    border: 0;
    text-decoration: none;
    cursor: pointer;
}
.link {
    display: block;
    margin-top: 18px;
}
.alert {
    background: #fff3cd;
    padding: 12px;
    border-radius: 8px;
}
table {
    width: 100%;
    border-collapse: collapse;
}
td, th {
    border: 1px solid #ddd;
    padding: 8px;
}
th {
    background: #f0f0f0;
}
.a4 {
    width: 190mm;
    min-height: 277mm;
    margin: auto;
    background: white;
    padding: 10mm;
}
@media print {
    body {
        background: white;
    }
    .a4 {
        box-shadow: none;
    }
}