body {
    margin: 0;
    color: #222;
    background: #fff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

nav {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

a {
    color: #0645ad;
}

h1 {
    margin: 0 0 20px;
    font-size: 24px;
}

h2 {
    margin: 0 0 12px;
    font-size: 18px;
}

form,
section {
    margin: 0 0 20px;
}

.login-box {
    max-width: 360px;
    margin: 80px auto 0;
}

.error {
    color: #a40000;
    font-weight: 700;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
}

label {
    display: block;
}

label span {
    display: block;
    margin-bottom: 4px;
    font-weight: 700;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
}

.checkbox-row input {
    width: auto;
}

.checkbox-row span {
    margin: 0;
}

input {
    width: 100%;
    box-sizing: border-box;
    padding: 8px;
    border: 1px solid #999;
    border-radius: 0;
    font: inherit;
}

select {
    width: 100%;
    box-sizing: border-box;
    padding: 8px;
    border: 1px solid #999;
    border-radius: 0;
    font: inherit;
    background: #fff;
}

textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 8px;
    border: 1px solid #999;
    border-radius: 0;
    font: inherit;
}

button {
    padding: 10px 14px;
    border: 1px solid #222;
    border-radius: 0;
    color: #fff;
    background: #222;
    font: inherit;
    cursor: pointer;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 8px;
    border: 1px solid #ccc;
    text-align: left;
    vertical-align: top;
}

th {
    background: #eee;
}

pre {
    overflow: auto;
    padding: 12px;
    border: 1px solid #ddd;
    background: #f7f7f7;
}