:root {
  --bg: #f5f6f8; --card: #ffffff; --fg: #1c2230; --muted: #667085; --line: #e2e5ea; --soft: #f0f2f5;
  --accent: #2f6fec; --accent-fg: #ffffff; --ok: #1f9d55; --warn: #b7791f; --err: #d1363a;
  --nav: #151a23; --nav-fg: #c9d1dc; --nav-active: #2a3342;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11141a; --card: #1a1f28; --fg: #e5e8ee; --muted: #98a2b3; --line: #2a313d; --soft: #222833;
    --accent: #6b9bff; --accent-fg: #0b1020; --ok: #3cc47c; --warn: #e0a526; --err: #ff6b6e;
    --nav: #0c0f14; --nav-fg: #aeb8c6; --nav-active: #1e2532;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 24px 0 10px; }
h3 { font-size: 14px; margin: 0 0 8px; }
code, .mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 12.5px; }
pre { background: var(--soft); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; overflow-x: auto; margin: 6px 0; }

.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--nav); color: var(--nav-fg); padding: 16px 10px; display: flex; flex-direction: column; gap: 2px; }
.brand { color: #fff; font-weight: 700; font-size: 16px; padding: 4px 10px 16px; display: flex; gap: 8px; align-items: center; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ok); }
.sidebar a { color: var(--nav-fg); padding: 7px 10px; border-radius: 6px; display: block; }
.sidebar a:hover { background: var(--nav-active); text-decoration: none; color: #fff; }
.sidebar a.active { background: var(--nav-active); color: #fff; font-weight: 600; }
.sidebar .section { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; opacity: .6; padding: 14px 10px 4px; }
.sidebar .spacer { flex: 1; }
.sidebar .user { font-size: 12px; padding: 8px 10px; border-top: 1px solid var(--nav-active); margin-top: 8px; }
.sidebar .user button { margin-top: 6px; width: 100%; }
.content { padding: 24px 28px; min-width: 0; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.kpi .label { color: var(--muted); font-size: 12px; }
.kpi .value { font-size: 22px; font-weight: 650; margin-top: 2px; }
.kpi .sub { color: var(--muted); font-size: 12px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 12px; }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; background: var(--soft); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--soft); }
tr.selected td { background: var(--soft); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.wrap { word-break: break-all; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--soft); border: 1px solid var(--line); white-space: nowrap; }
.badge.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.badge.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.badge.err { color: var(--err); border-color: color-mix(in srgb, var(--err) 40%, transparent); }
.muted { color: var(--muted); }
.ok { color: var(--ok); } .warn { color: var(--warn); } .err { color: var(--err); }

.alert { border: 1px solid var(--line); border-left: 4px solid var(--warn); background: var(--card); padding: 10px 14px; border-radius: 8px; margin-bottom: 10px; }
.alert.err { border-left-color: var(--err); }
.alert.ok { border-left-color: var(--ok); }

.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar .grow { flex: 1; }
input, select, textarea {
  font: inherit; color: var(--fg); background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; min-width: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent); outline-offset: 0; }
input[type=checkbox] { width: auto; }
button, .btn {
  font: inherit; cursor: pointer; border: 1px solid var(--line); background: var(--card); color: var(--fg);
  border-radius: 6px; padding: 6px 12px; white-space: nowrap;
}
button:hover, .btn:hover { background: var(--soft); text-decoration: none; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
button.danger { color: var(--err); }
button:disabled { opacity: .5; cursor: default; }
button.small { padding: 2px 8px; font-size: 12px; }

.form { display: grid; grid-template-columns: 180px 1fr; gap: 10px 14px; align-items: center; max-width: 760px; }
.form label { color: var(--muted); }
.form .full { grid-column: 1 / -1; }
.form .hint { grid-column: 2; color: var(--muted); font-size: 12px; margin-top: -6px; }
.actions { display: flex; gap: 8px; margin-top: 12px; }

.login { max-width: 380px; margin: 10vh auto; }
.login .card { padding: 24px; }
.login h1 { text-align: center; }
.login .field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.login button { width: 100%; padding: 8px; }
.validation-message, .validation-errors { color: var(--err); font-size: 12px; }

.chart { width: 100%; height: auto; display: block; }
.chart .bar { fill: var(--accent); opacity: .8; }
.chart .bar.err { fill: var(--err); }
.chart .line { fill: none; stroke: var(--warn); stroke-width: 2; }
.chart .axis { stroke: var(--line); }
.chart text { fill: var(--muted); font-size: 10px; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); margin-top: 4px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; vertical-align: -1px; }

.detail { margin-top: 12px; }
.kv { display: grid; grid-template-columns: 170px 1fr; gap: 4px 12px; font-size: 13px; }
.kv > :nth-child(odd) { color: var(--muted); }
.secret { font-family: ui-monospace, Consolas, monospace; background: var(--soft); border: 1px dashed var(--warn); padding: 10px; border-radius: 8px; word-break: break-all; }

@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; padding: 8px; }
  .sidebar .section, .sidebar .spacer { display: none; }
  .content { padding: 16px; }
  .form { grid-template-columns: 1fr; }
  .form .hint { grid-column: 1; }
}