:root {
    --bg: #f5f6f8; --panel: #fff; --text: #1d2433; --muted: #6b7385; --line: #e3e6ec;
    --accent: #2f5bea; --accent-dark: #2147c4; --ok: #1a7f4b; --warn: #a15c00; --err: #b42318;
    --ok-bg: #e6f4ec; --warn-bg: #fff3dc; --err-bg: #fdecea; --radius: 6px;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, textarea.code { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }

.app { display: grid; grid-template-columns: 200px 1fr; min-height: 100vh; }
.sidebar { background: #1d2433; color: #c9cfdb; padding: 16px 0; }
.sidebar .brand { color: #fff; font-weight: 700; font-size: 18px; padding: 0 20px 16px; letter-spacing: .5px; }
.sidebar .brand small { display: block; font-weight: 400; font-size: 11px; color: #8d95a8; letter-spacing: 0; }
.sidebar nav a { display: block; padding: 8px 20px; color: #c9cfdb; }
.sidebar nav a:hover { background: #283043; text-decoration: none; }
.sidebar nav a.active { background: #2f3850; color: #fff; border-left: 3px solid var(--accent); padding-left: 17px; }
.sidebar form { padding: 16px 20px; }
.sidebar .user { font-size: 12px; color: #8d95a8; }
.main { padding: 24px 32px; min-width: 0; }
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 22px; flex: 1; }
h2 { font-size: 16px; margin: 0 0 12px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; margin-bottom: 20px; }
.panel > h2:first-child { margin-top: 0; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; }
.tile .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.tile .value { font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; }
.tile .sub { color: var(--muted); font-size: 12px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .3px; background: #fafbfc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr:hover td { background: #fafbff; }
.table-wrap { overflow-x: auto; }
.nowrap { white-space: nowrap; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.truncate { max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.btn { display: inline-block; padding: 7px 14px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff;
       color: var(--text); font: inherit; cursor: pointer; white-space: nowrap; }
.btn:hover { background: #f0f2f6; text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-danger { color: var(--err); border-color: #f1c6c2; }
.btn-danger:hover { background: var(--err-bg); }
.btn-sm { padding: 3px 9px; font-size: 13px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
form.inline { display: inline; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; background: #eef0f4; color: var(--muted); white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.err { background: var(--err-bg); color: var(--err); }

.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; border: 1px solid; }
.flash.success { background: var(--ok-bg); border-color: #b9e0c9; color: var(--ok); }
.flash.warning { background: var(--warn-bg); border-color: #f2d49b; color: var(--warn); }
.flash.error { background: var(--err-bg); border-color: #f1c6c2; color: var(--err); }

.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-weight: 600; margin-bottom: 4px; }
.form-row .hint { color: var(--muted); font-size: 12px; margin-top: 3px; }
.form-row .error { color: var(--err); font-size: 13px; margin-top: 3px; }
.form-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 20px; }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=search], select, textarea {
    width: 100%; padding: 7px 10px; border: 1px solid #cfd4dd; border-radius: var(--radius); font: inherit; background: #fff; }
input:focus, select:focus, textarea:focus { outline: 2px solid #c4d2fb; border-color: var(--accent); }
textarea { resize: vertical; }
textarea.code { min-height: 380px; line-height: 1.45; tab-size: 4; }
.has-error input, .has-error select, .has-error textarea { border-color: var(--err); }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.filters > * { width: auto; }
.filters label { font-size: 12px; color: var(--muted); display: block; }
.checks { display: flex; flex-wrap: wrap; gap: 4px 16px; font-weight: 400; }
.checks label { font-weight: 400; }

pre.config { background: #1d2433; color: #e6e9ef; padding: 12px 14px; border-radius: var(--radius); overflow-x: auto; margin: 0; }
dl.props { display: grid; grid-template-columns: 160px 1fr; gap: 6px 12px; margin: 0; }
dl.props dt { color: var(--muted); }
dl.props dd { margin: 0; word-break: break-word; }
.pager { display: flex; gap: 4px; margin-top: 12px; }
.empty { color: var(--muted); padding: 16px 0; text-align: center; }

.guest { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.guest .panel { width: 100%; max-width: 420px; }
.guest h1 { font-size: 20px; margin: 0 0 16px; }