:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #eef1f8;
  --text: #0f172a;
  --muted: #5b6478;
  --border: #dde2ee;
  --primary: #2563eb;
  --ok: #15803d;
  --ok-bg: #dcfce7;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --crit: #b91c1c;
  --crit-bg: #fee2e2;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1020;
    --surface: #131a2e;
    --surface-2: #1b2440;
    --text: #e6eaf5;
    --muted: #97a1ba;
    --border: #263052;
    --primary: #5b8cff;
    --ok: #4ade80;
    --ok-bg: #12301f;
    --warn: #fbbf24;
    --warn-bg: #3a2d0b;
    --crit: #f87171;
    --crit-bg: #3b1416;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; margin-top: 1.6rem; }
h3 { font-size: 1rem; }
a { color: var(--primary); }
code, .mono { font-family: var(--mono); font-size: .88em; }
.muted { color: var(--muted); }
.error { color: var(--crit); margin: 0; }

.topbar { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem; padding: .75rem 16px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; display: flex; align-items: center; gap: .55rem; }
.logo { width: 22px; height: 22px; border-radius: 6px; background: var(--primary); display: inline-block; }
nav { display: flex; flex-wrap: wrap; gap: .25rem; flex: 1; }
nav a { text-decoration: none; color: var(--muted); padding: .35rem .7rem; border-radius: 8px; font-weight: 500; }
nav a:hover { background: var(--surface-2); }
nav a.active { background: var(--surface-2); color: var(--text); }
.user { display: flex; align-items: center; gap: .6rem; font-size: .85rem; }
.view { max-width: 1200px; margin: 0 auto; padding: 20px 16px 40px; }
.foot { text-align: center; padding: 0 16px 24px; font-size: .8rem; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid.wide { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.kpi .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.kpi .value { font-size: 1.9rem; font-weight: 700; margin: .1rem 0; }
.kpi .sub { color: var(--muted); font-size: .85rem; }
.bar { height: 8px; background: var(--surface-2); border-radius: 99px; overflow: hidden; margin-top: .5rem; }
.bar > span { display: block; height: 100%; background: var(--primary); border-radius: 99px; }
.bar.warn > span { background: var(--warn); }
.bar.crit > span { background: var(--crit); }

.banner { display: flex; align-items: center; gap: .8rem; padding: 14px 16px; border-radius: var(--radius); border: 1px solid var(--border); font-weight: 600; margin-bottom: 14px; }
.banner.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.banner.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.banner.crit { background: var(--crit-bg); color: var(--crit); border-color: transparent; }

.chip { display: inline-block; padding: .1rem .6rem; border-radius: 99px; font-size: .78rem; font-weight: 600; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.chip.ok { background: var(--ok-bg); color: var(--ok); }
.chip.warn { background: var(--warn-bg); color: var(--warn); }
.chip.crit { background: var(--crit-bg); color: var(--crit); }
.badge { background: var(--crit); color: #fff; border-radius: 99px; font-size: .72rem; padding: 0 .45rem; margin-left: .2rem; }

.tw { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }

.btn { font: inherit; cursor: pointer; border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: .5rem .9rem; border-radius: 9px; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn.small { padding: .25rem .6rem; font-size: .82rem; }
.btn:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 55%, transparent); outline-offset: 2px; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(400px, 100%); display: grid; gap: 14px; }
label { display: grid; gap: .3rem; font-weight: 600; font-size: .88rem; }
input { font: inherit; padding: .6rem .7rem; border-radius: 9px; border: 1px solid var(--border); background: var(--bg); color: var(--text); }

.hours { display: flex; align-items: flex-end; gap: 3px; height: 70px; margin-top: .6rem; }
.hours span { flex: 1; background: var(--primary); border-radius: 3px 3px 0 0; min-height: 2px; opacity: .85; }
.hours-axis { display: flex; justify-content: space-between; color: var(--muted); font-size: .72rem; }
.spark { width: 100%; height: 60px; display: block; }
.spark polyline { fill: none; stroke: var(--primary); stroke-width: 2; vector-effect: non-scaling-stroke; }
.diagram { overflow-x: auto; text-align: center; }
.diagram svg { max-width: 100%; height: auto; }
.cols { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.proj { display: grid; gap: .5rem; text-decoration: none; color: inherit; }
.proj:hover { border-color: var(--primary); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .25rem 1rem; font-size: .9rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
ul.plain { margin: 0; padding-left: 1.1rem; }
@media (max-width: 640px) { .user { width: 100%; justify-content: space-between; } }