:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-2: #f0f3f8;
  --border: #dfe4ec;
  --text: #17202e;
  --muted: #667085;
  --primary: #1f5eff;
  --primary-ink: #ffffff;
  --ok: #12a150;
  --warning: #d98a00;
  --critical: #e0322f;
  --info: #2b6fd6;
  --ok-bg: #e5f6ec;
  --warning-bg: #fff4dc;
  --critical-bg: #fde8e7;
  --info-bg: #e6efff;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141c; --surface: #161d28; --surface-2: #1d2532; --border: #2a3444; --text: #e6ebf2; --muted: #93a0b4;
    --primary: #4c80ff; --ok-bg: #12321f; --warning-bg: #3a2c0c; --critical-bg: #3d1716; --info-bg: #15284a;
    --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 16px 0 8px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.nowrap { white-space: nowrap; }
.break { word-break: break-all; }
.text-error { color: var(--critical); }

.layout { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); padding: 18px 12px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; color: var(--text); padding: 4px 10px 18px; }
.brand.big { font-size: 20px; justify-content: center; padding-bottom: 16px; }
.brand-mark { background: var(--primary); color: #fff; border-radius: 7px; padding: 2px 6px; font-size: 13px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a { color: var(--text); padding: 8px 10px; border-radius: 8px; }
.sidebar nav a:hover { background: var(--surface-2); text-decoration: none; }
.sidebar nav a.active { background: var(--info-bg); color: var(--primary); font-weight: 600; }
.sidebar-foot { margin-top: auto; padding: 10px; display: flex; flex-direction: column; gap: 8px; }
.content { padding: 24px 28px 48px; max-width: 1400px; width: 100%; }

.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.section-head { display: flex; justify-content: space-between; align-items: center; margin: 8px 0 12px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; box-shadow: var(--shadow); }
.card.narrow { max-width: 640px; }
.card.empty { color: var(--muted); }
.card-accent { border-left: 4px solid var(--primary); }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.card-head h2 { margin: 0; }
.card-foot { margin-top: 10px; border-top: 1px solid var(--border); padding-top: 8px; }
.danger-zone { border-color: var(--critical-bg); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.grid > .card { margin-bottom: 0; }
section.grid { margin-bottom: 16px; }
.app-title { font-weight: 600; font-size: 15px; }
.metrics { margin: -4px 0 8px; }

.usage { margin: 8px 0; }
.usage-label { display: flex; justify-content: space-between; font-size: 12.5px; margin-bottom: 4px; gap: 8px; }
.usage-label span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
svg.bar { width: 100%; height: 8px; display: block; }
.bar-bg { fill: var(--surface-2); }
.bar-fill.lvl-ok, .bar-fill.lvl-none { fill: var(--ok); }
.bar-fill.lvl-warning { fill: var(--warning); }
.bar-fill.lvl-critical { fill: var(--critical); }
td.w-bar { min-width: 140px; }
td.w-bar .usage { margin: 2px 0; }
svg.spark { width: 100%; height: 40px; margin: 6px 0; background: var(--surface-2); border-radius: 6px; }
.spark-line { fill: none; stroke: var(--primary); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.spark-warn { stroke: var(--warning); stroke-dasharray: 3 3; stroke-width: 1; vector-effect: non-scaling-stroke; }

.badge { display: inline-block; font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 999px; white-space: nowrap; vertical-align: middle; }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-critical { background: var(--critical-bg); color: var(--critical); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-muted { background: var(--surface-2); color: var(--muted); }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid transparent; }
.flash-success { background: var(--ok-bg); color: var(--ok); }
.flash-warning { background: var(--warning-bg); color: var(--warning); }
.flash-error { background: var(--critical-bg); color: var(--critical); }
.flash-info { background: var(--info-bg); color: var(--info); }

.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table tr:last-child td { border-bottom: none; }
.row-muted { opacity: .6; }
.card { overflow-x: auto; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 7px 0; border-bottom: 1px solid var(--border); }
.list li:last-child { border-bottom: none; }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }

form.inline { display: inline; }
label { display: block; margin-bottom: 12px; font-weight: 500; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 400; }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; }
input[type=checkbox] { width: auto; margin: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--info-bg); border-color: var(--primary); }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px 4px; margin: 0 0 14px; }
legend { font-weight: 600; padding: 0 6px; }
.hint { color: var(--muted); font-size: 12.5px; margin: -6px 0 12px; }
.row-form { display: flex; gap: 8px; margin-top: 12px; }
.row-form input { margin: 0; max-width: 360px; }
.secret-box { display: flex; align-items: center; gap: 10px; background: var(--surface-2); border-radius: 8px; padding: 10px; margin: 8px 0; }
pre.code { background: var(--surface-2); padding: 12px; border-radius: 8px; overflow: auto; max-height: 420px; font-size: 12px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 7px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-weight: 500; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn:disabled { opacity: .6; cursor: default; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn-primary:hover { background: var(--primary); filter: brightness(1.08); }
.btn-danger { background: var(--critical); border-color: var(--critical); color: #fff; }
.btn-ghost { background: transparent; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; }
.btn-block { width: 100%; }

.auth { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 16px; }
.auth-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px; width: 100%; max-width: 380px; box-shadow: var(--shadow); }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; }
  .content { padding: 16px; }
  .grid, .grid-2 { grid-template-columns: 1fr; }
}