:root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --text: #1d2330;
    --muted: #667085;
    --border: #d9dee7;
    --accent: #1f6feb;
    --danger: #c62828;
    --warn: #b26a00;
    --ok: #1b7f3b;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #111418;
        --surface: #1a1f26;
        --text: #e6e9ef;
        --muted: #9aa4b2;
        --border: #2d3541;
        --accent: #5b9dff;
        --danger: #ff6b6b;
        --warn: #f0b44c;
        --ok: #52c27a;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

a { color: var(--accent); }
code, pre, .code { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 13px; }
pre { white-space: pre-wrap; word-break: break-word; background: var(--bg); padding: 8px; border-radius: 6px; max-height: 420px; overflow: auto; }

.topbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    padding: 10px 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.topbar nav { display: flex; flex-wrap: wrap; gap: 14px; flex: 1; }
.topbar nav a { text-decoration: none; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.logout { display: flex; gap: 8px; align-items: center; }

main { padding: 16px; max-width: 1400px; margin: 0 auto; }

h1 { font-size: 24px; margin: 8px 0 16px; }
h2 { font-size: 18px; margin: 28px 0 10px; }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }
.num { text-align: right; }

table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; }
tr.changed td { background: color-mix(in srgb, var(--accent) 8%, transparent); }
table.logs .message { white-space: pre-wrap; word-break: break-word; }

input, select, textarea, button, .button {
    font: inherit;
    padding: 7px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
}

textarea { width: 100%; }
textarea.code { min-height: 300px; }

button, .button {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

button.secondary, .button.secondary { background: transparent; color: var(--accent); }
button.danger { background: var(--danger); border-color: var(--danger); }
button.link { background: none; border: none; color: var(--accent); padding: 0; }

label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label.inline { flex-direction: row; align-items: center; gap: 6px; }
label input, label textarea, label select { color: var(--text); font-size: 15px; }

.filters, .toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.filters input { min-width: 220px; }
.stack { display: flex; flex-direction: column; gap: 12px; margin-bottom: 12px; max-width: 1100px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.inline-form { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.inline-form input { width: 130px; }

dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; background: var(--surface); padding: 12px; border: 1px solid var(--border); border-radius: 8px; }
dt { color: var(--muted); }
dd { margin: 0; word-break: break-word; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.card { display: flex; flex-direction: column; padding: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; text-decoration: none; color: var(--text); }
.card .value { font-size: 28px; font-weight: 700; }

.badge { display: inline-block; font-size: 12px; padding: 1px 7px; border-radius: 10px; border: 1px solid var(--border); color: var(--muted); vertical-align: middle; }
.badge-error { color: var(--danger); border-color: var(--danger); }
.badge-warn { color: var(--warn); border-color: var(--warn); }
.badge-info { color: var(--accent); border-color: var(--accent); }

.flash { padding: 10px 12px; border-radius: 6px; margin: 0 0 14px; border: 1px solid var(--border); background: var(--surface); }
.flash:empty { display: none; }
.flash ul { margin: 0; padding-left: 18px; }
.flash-success { border-color: var(--ok); color: var(--ok); }
.flash-error { border-color: var(--danger); color: var(--danger); }
.flash-warn { border-color: var(--warn); color: var(--warn); }
.validation-summary-valid { display: none; }

.auth { max-width: 420px; margin: 40px auto; background: var(--surface); padding: 24px; border: 1px solid var(--border); border-radius: 10px; }
.auth form { display: flex; flex-direction: column; gap: 12px; }
.qr { display: block; margin: 12px auto; width: 220px; height: 220px; image-rendering: pixelated; background: #fff; padding: 8px; border-radius: 6px; }

.pager { display: flex; gap: 14px; align-items: center; margin: 14px 0; }

details summary { cursor: pointer; color: var(--accent); }

@media (max-width: 700px) {
    th, td { padding: 6px; }
    .filters input { min-width: 0; width: 100%; }
}