:root {
    color-scheme: light;
    --page-bg: #f9f9f9;
    --text: #333;
    --muted: #555;
    --border: #ddd;
    --card: #fff;
    --primary: #0077cc;
    --primary-hover: #005999;
    --danger: #b42318;
    --danger-bg: #fef3f2;
    --success: #067647;
    --success-bg: #ecfdf3;
    --warning: #8a6100;
    --warning-bg: #fffaeb;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.12);
    --radius: 8px;
    --font: Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: var(--font);
    color: var(--text);
    line-height: 1.6;
}

body {
    margin: 2rem;
    padding-bottom: 100px;
    background-color: var(--page-bg);
    background-image: url('/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.shell {
    min-height: calc(100vh - 4rem);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.brand {
    width: min(720px, 100%);
    margin-bottom: 1.5rem;
}

.brand-logo {
    display: block;
    width: min(360px, 80vw);
    height: auto;
    margin: 0 auto;
}

.card {
    width: min(520px, 100%);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.card-wide {
    width: min(860px, 100%);
}

h1,
h2,
h3 {
    margin: 0 0 0.75rem;
    line-height: 1.2;
    color: var(--text);
}

.lede {
    margin: 0 0 1.5rem;
    color: var(--muted);
    line-height: 1.5;
    font-size: 0.95rem;
}

.stack {
    display: grid;
    gap: 1rem;
}

label {
    display: grid;
    gap: 0.45rem;
}

label span {
    font-size: 0.92rem;
    color: var(--muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    border-radius: 6px;
    padding: 0.75rem 0.85rem;
    font: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid rgba(0, 119, 204, 0.2);
    border-color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border: 0;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    font: inherit;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.15s ease, color 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-ghost {
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid #fecdca;
}

.btn-small {
    padding: 0.45rem 0.7rem;
    font-size: 0.85rem;
}

.actions-row,
.admin-header,
.domain-actions,
.inline-form {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.admin-header {
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.alert {
    border-radius: 6px;
    padding: 0.9rem 1rem;
    margin-bottom: 1rem;
    line-height: 1.45;
    border: 1px solid var(--border);
}

.alert-error {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: #fecdca;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border-color: #abefc6;
}

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border-color: #fde68a;
}

.footer-note,
.muted,
.small {
    color: var(--muted);
    font-size: 0.92rem;
}

.footer-note {
    margin-top: 1.25rem;
}

a {
    color: var(--primary);
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.panel {
    margin-top: 1.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.domain-list {
    display: grid;
    gap: 1rem;
}

.domain-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    background: #fff;
    box-shadow: var(--shadow);
}

.path-list {
    display: grid;
    gap: 0.5rem;
    margin: 1rem 0;
}

.path-row {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    align-items: center;
}

.meta-list {
    margin: 0 0 1.5rem;
    display: grid;
    gap: 0.75rem;
}

.meta-list dt {
    color: var(--muted);
    font-size: 0.85rem;
}

.meta-list dd {
    margin: 0.15rem 0 0;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.92em;
    background: #f3f4f6;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}

.secret-block {
    display: block;
    margin: 0.5rem 0;
    word-break: break-all;
    padding: 0.65rem 0.75rem;
    background: #f3f4f6;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.notes {
    margin: 0;
    padding-left: 1.2rem;
    color: var(--muted);
    line-height: 1.6;
}

.signed-in-as {
    margin: 0 0 1rem;
    color: var(--muted);
}

.admin-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.admin-tabs a {
    padding: 0.55rem 0.9rem;
    border-radius: 6px;
    text-decoration: none;
    color: var(--muted);
    background: #fff;
    border: 1px solid var(--border);
}

.admin-tabs a:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

.admin-tabs a.active {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
}

.tab-panel[hidden] {
    display: none;
}

.help-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.help-toc {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.help-toc a {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    background: #fff;
}

.help-toc a:hover {
    border-color: var(--primary);
    text-decoration: none;
}

.help-section {
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}

.help-section h3 {
    margin-top: 1rem;
    font-size: 1rem;
}

.endpoint-block + .endpoint-block {
    margin-top: 1.25rem;
}

.code-block {
    margin: 0.75rem 0 0;
    padding: 0.9rem 1rem;
    background: #f3f4f6;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.88rem;
    line-height: 1.5;
}

.code-block code {
    background: none;
    padding: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.code-block-json {
    max-height: 24rem;
    overflow: auto;
}

.machine-spec-details {
    margin-top: 1rem;
}

.machine-spec-details summary {
    cursor: pointer;
    color: var(--primary);
    font-weight: bold;
}

@media (max-width: 640px) {
    body {
        margin: 1rem;
    }

    .card,
    .card-wide {
        padding: 1.15rem;
    }

    .path-row {
        flex-direction: column;
        align-items: flex-start;
    }
}