:root {
    color-scheme: light;
    --background: #fff;
    --text: #111;
    --muted: #555;
    --border: #bbb;
    --error: #b00020;
}
:root[data-theme="dark"] {
    color-scheme: dark;
    --background: #000;
    --text: #eee;
    --muted: #aaa;
    --border: #555;
    --error: #ff8c8c;
}
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font: 16px/1.5 system-ui, sans-serif;
}
a {
    color: inherit;
    text-underline-offset: 3px;
}
header, main {
    max-width: 1100px;
    margin: auto;
    padding: 16px;
}
header {
    border-bottom: 1px solid var(--border);
}
nav, .actions, .page-heading, .filters, .pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}
nav .brand {
    font-weight: 600;
    margin-right: auto;
}
nav form {
    margin: 0;
}
h1 {
    font-size: 24px;
    margin: 0 0 20px;
}
h2, legend {
    font-size: 19px;
    font-weight: 600;
}
h3 {
    font-size: 16px;
}
.page-heading {
    justify-content: space-between;
    margin-bottom: 20px;
}
.page-heading h1 {
    margin: 0;
}
section, fieldset {
    margin: 24px 0;
}
fieldset {
    border: 1px solid var(--border);
    padding: 16px;
}
.form-grid, .details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
label {
    display: block;
}
input, select, textarea, button {
    font: inherit;
    color: var(--text);
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 0;
    padding: 8px 10px;
}
input:not([type="checkbox"]):not([type="hidden"]), select, textarea {
    display: block;
    width: 100%;
    margin-top: 4px;
    min-width: 0;
}
textarea {
    min-height: 88px;
    resize: vertical;
}
button, .button {
    cursor: pointer;
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid var(--border);
    text-decoration: none;
}
button[type="submit"], .primary {
    background: var(--text);
    color: var(--background);
    border-color: var(--text);
}
button:disabled {
    cursor: default;
    opacity: 0.5;
}
:focus-visible {
    outline: 2px solid var(--text);
    outline-offset: 2px;
}
[aria-invalid="true"] {
    border-color: var(--error);
}
.check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 16px 0;
}
.check input {
    width: 18px;
    height: 18px;
    margin: 0;
}
.auth {
    max-width: 400px;
    margin: 32px auto;
}
.auth label {
    margin-bottom: 16px;
}
.errors {
    color: var(--error);
    padding-left: 24px;
}
.notice {
    margin: 12px 0;
}
.muted, dt, time {
    color: var(--muted);
}
.details div {
    min-width: 0;
}
dd {
    margin: 4px 0 0;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}
.table-wrap {
    overflow-x: auto;
    margin: 16px 0;
}
table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
th, td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.filters label {
    min-width: 150px;
    flex: 1;
}
.filters button {
    align-self: end;
}
.pagination {
    justify-content: space-between;
    margin: 16px 0;
}
.list {
    padding: 0;
    list-style: none;
}
.list > li, .message {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.message p, .plain-text {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}
pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font-size: 14px;
}
.full-width {
    grid-column: 1 / -1;
}
[hidden] {
    display: none !important;
}
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--background);
    padding: 8px;
}
.skip-link:focus {
    top: 8px;
}
@media (max-width: 600px) {
    .form-grid, .details {
        grid-template-columns: 1fr;
    }
    nav {
        gap: 10px;
    }
    nav .brand {
        width: 100%;
    }
    .filters label {
        min-width: 100%;
    }
}
dialog {
    background: var(--background);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 20px;
    max-width: calc(100% - 32px);
}