:root {
    --ink: #1d1f24;
    --muted: #6b7280;
    --rule: #e4e6eb;
    --bg: #fafafa;
    --card: #ffffff;
    --accent: #1e1f24;
    --code-bg: #f3f4f6;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

main {
    max-width: 880px;
    margin: 0 auto;
    padding: 48px 24px 96px;
}

.page-head {
    margin-bottom: 32px;
}

.page-head h1 {
    margin: 0 0 4px;
    font-size: 28px;
    letter-spacing: -0.01em;
}

.lede {
    margin: 0;
    color: var(--muted);
}

.usage {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 24px;
}

.usage h2 {
    margin: 0 0 12px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    font-weight: 600;
}

.usage pre {
    margin: 0 0 12px;
    padding: 12px 14px;
    background: var(--code-bg);
    border-radius: 6px;
    overflow-x: auto;
    font: 13px/1.55 ui-monospace, SFMono-Regular, "JetBrains Mono", monospace;
}

.usage p { margin: 0; color: var(--muted); font-size: 13px; }

form {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 24px;
}

.row {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.row label {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.row label.full { flex-basis: 100%; }

.remember-row {
    margin-top: -8px;
    margin-bottom: 20px;
}
.row .checkbox {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 13px;
}
.row .checkbox span {
    text-transform: none;
    letter-spacing: 0;
    color: var(--muted);
    font-weight: normal;
    font-size: 13px;
}

input[type=password], input[type=text], input[type=email] {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--rule);
    border-radius: 6px;
    background: #fff;
    font: inherit;
}
input[type=password] {
    font: 13px/1.5 ui-monospace, SFMono-Regular, "JetBrains Mono", monospace;
}

.row label span {
    font-size: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

select, input[type=file] {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--rule);
    border-radius: 6px;
    background: #fff;
    font: inherit;
}

.tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 16px;
}

.tab {
    padding: 10px 14px;
    cursor: pointer;
    color: var(--muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    font-size: 14px;
}

.tab input { display: none; }

.tab:has(input:checked) {
    color: var(--ink);
    border-bottom-color: var(--ink);
    font-weight: 500;
}

.pane { margin-bottom: 16px; }

textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--rule);
    border-radius: 6px;
    font: 13px/1.55 ui-monospace, SFMono-Regular, "JetBrains Mono", monospace;
    background: #fff;
    resize: vertical;
    min-height: 320px;
}

.hint { margin: 6px 0 0; color: var(--muted); font-size: 13px; }

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0, 0, 0, 0); border: 0;
}

.actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 8px;
}

button {
    appearance: none;
    border: none;
    background: var(--accent);
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    font: inherit;
    font-weight: 500;
    cursor: pointer;
}

button:hover { background: #000; }

a { color: var(--ink); }

footer {
    margin-top: 32px;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

/* ---------- admin + alerts ---------- */

main.narrow { max-width: 480px; }

.admin-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
}

.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    border: 1px solid var(--rule);
    background: #fff;
    font-size: 14px;
}
.alert-success { border-color: #b9e2c1; background: #f1faf3; color: #205c2b; }
.alert-error   { border-color: #f0c6c6; background: #fdf2f2; color: #872626; }
.alert-info    { border-color: var(--rule); background: var(--card); }
.alert-banner  { border-color: #d8b779; background: #fbf4e3; }

.key-display {
    margin: 10px 0;
    padding: 10px 12px;
    background: #fff8e6;
    border: 1px dashed #c89d3d;
    border-radius: 6px;
    font: 13px/1.55 ui-monospace, SFMono-Regular, "JetBrains Mono", monospace;
    word-break: break-all;
}

.card {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 20px;
}
.card h2 {
    margin: 0 0 14px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    font-weight: 600;
}
.card h3 {
    margin: 0;
    font-size: 16px;
}

.row-form {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
}
.row-form label { flex: 1; display: flex; flex-direction: column; gap: 4px; min-width: 160px; }
.row-form label span {
    font-size: 12px; color: var(--muted);
    text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600;
}
.row-form input[type=text],
.row-form input[type=email] {
    padding: 8px 10px;
    border: 1px solid var(--rule);
    border-radius: 6px;
    font: inherit;
}
.row-form label.checkbox {
    flex: 0 0 auto;
    flex-direction: row;
    align-items: center;
    min-width: 0;
    color: var(--muted);
    font-size: 13px;
}

.login-card {
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.login-card input[type=password] {
    padding: 10px 12px;
    border: 1px solid var(--rule);
    border-radius: 6px;
    font: 13px/1.5 ui-monospace, monospace;
}

.user-block {
    border: 1px solid var(--rule);
    border-radius: 6px;
    padding: 16px;
    margin-bottom: 12px;
    background: var(--card);
}
.user-block > header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 8px;
}
.user-block details { margin-top: 12px; }
.user-block summary {
    cursor: pointer;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 8px;
}

.keys-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-bottom: 12px;
}
.keys-table th, .keys-table td {
    text-align: left;
    padding: 6px 8px;
    border-bottom: 1px solid var(--rule);
}
.keys-table th {
    color: var(--muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 11px;
}
.keys-table tr.revoked td { color: var(--muted); text-decoration: line-through; }

.badge {
    display: inline-block;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--code-bg);
    color: var(--muted);
    margin-left: 6px;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}
.badge-ok   { background: #e7f5e8; color: #205c2b; }
.badge-warn { background: #fbe8d3; color: #8a4b14; }

.mint-form { margin-top: 8px; }

.inline-form { display: inline; margin: 0; padding: 0; border: 0; background: transparent; }
.inline-form button { padding: 8px 14px; font-size: 13px; }

.btn-secondary {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--rule);
}
.btn-secondary:hover { background: var(--code-bg); }

.btn-danger { background: #c74040; }
.btn-danger:hover { background: #a82d2d; }

.btn-link {
    background: transparent;
    color: #c74040;
    padding: 4px 8px;
    font-size: 13px;
    text-decoration: underline;
}
.btn-link:hover { background: transparent; color: #872626; }

/* ---------- docs page ---------- */

.doc-toc {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
    margin-bottom: 28px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--rule);
}
.doc-toc a { color: var(--muted); text-decoration: none; font-size: 13px; }
.doc-toc a:hover { color: var(--ink); text-decoration: underline; }

.doc-section { margin-bottom: 40px; }
.doc-section h2 {
    margin: 0 0 12px;
    font-size: 20px;
    letter-spacing: -0.01em;
    border-bottom: 1px solid var(--rule);
    padding-bottom: 6px;
}
.doc-section h3 {
    margin: 20px 0 8px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}
.doc-section p { margin: 8px 0; }
.doc-section pre {
    margin: 8px 0 16px;
    padding: 12px 14px;
    background: var(--code-bg);
    border-radius: 6px;
    overflow-x: auto;
    font: 12.5px/1.55 ui-monospace, SFMono-Regular, "JetBrains Mono", monospace;
}
.doc-section code {
    background: var(--code-bg);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 92%;
}
.doc-section pre code { background: transparent; padding: 0; font-size: inherit; }

.doc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin: 8px 0 16px;
}
.doc-table th, .doc-table td {
    text-align: left;
    padding: 6px 10px;
    border-bottom: 1px solid var(--rule);
    vertical-align: top;
}
.doc-table th {
    color: var(--muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 11px;
}