:root {
  --bg: #f6f7f9; --fg: #16181d; --muted: #6a7078; --card: #ffffff;
  --line: #dde1e6; --accent: #2563eb; --ok: #15803d; --err: #b91c1c;
  --warn-bg: #fef3c7; --bar: #2563eb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101318; --fg: #e6e8eb; --muted: #9aa1a9; --card: #181c23;
    --line: #2a2f38; --accent: #60a5fa; --ok: #4ade80; --err: #f87171;
    --warn-bg: #4a3a10; --bar: #60a5fa;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
header {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem;
  padding: .6rem 1rem; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; }
.brand span { color: var(--accent); font-weight: 400; }
nav { display: flex; flex-wrap: wrap; gap: .2rem; flex: 1; }
nav a { padding: .3rem .6rem; border-radius: 6px; color: var(--fg); text-decoration: none; }
nav a.active, nav a:hover { background: var(--bg); color: var(--accent); }
main { max-width: 1100px; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.4rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
h2 { font-size: 1.05rem; margin-top: 1.6rem; }
a { color: var(--accent); }
small, .muted { color: var(--muted); font-weight: 400; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .86em; }
pre {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  padding: .8rem; overflow-x: auto;
}
pre.key { font-size: 1.05rem; word-break: break-all; white-space: pre-wrap; border-color: var(--accent); }

.flash { padding: .6rem .9rem; border-radius: 8px; margin: .8rem 0; }
.flash.ok  { background: color-mix(in srgb, var(--ok) 12%, var(--card)); border: 1px solid var(--ok); }
.flash.err { background: color-mix(in srgb, var(--err) 12%, var(--card)); border: 1px solid var(--err); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .8rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .8rem; }
.card.warn { background: var(--warn-bg); }
.card .num { font-size: 1.6rem; font-weight: 700; }
.card .num.small { font-size: 1rem; word-break: break-word; }
.card .lbl { color: var(--muted); font-size: .82rem; }

.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1rem; }

.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--card); border-radius: 8px; }
th, td { text-align: left; padding: .45rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .82rem; }
td.err-text { font-size: .82rem; word-break: break-word; }

table.bars { background: transparent; }
table.bars td { border: none; padding: .2rem .4rem; }
table.bars td.lbl { width: 30%; white-space: nowrap; }
table.bars td.n { width: 3rem; text-align: right; }
table.bars svg { width: 100%; height: 12px; display: block; background: var(--line); border-radius: 3px; }
table.bars rect { fill: var(--bar); }

.badge { display: inline-block; padding: .05rem .5rem; border-radius: 99px; font-size: .78rem; border: 1px solid var(--line); }
.badge.ok  { color: var(--ok); border-color: var(--ok); }
.badge.err { color: var(--err); border-color: var(--err); font-weight: 700; }

form.stack { display: flex; flex-direction: column; gap: .8rem; max-width: 640px; }
form.row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
form.inline { display: inline; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: .8rem; }
label { display: flex; flex-direction: column; gap: .25rem; font-weight: 600; font-size: .9rem; }
input, textarea, select {
  font: inherit; color: var(--fg); background: var(--card);
  border: 1px solid var(--line); border-radius: 6px; padding: .45rem .6rem;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); border-color: transparent; }
button, .btn {
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block;
  background: var(--accent); color: #fff; border: none; border-radius: 6px; padding: .45rem .9rem;
}
button.danger { background: var(--err); }
button.big { font-size: 1.1rem; padding: .7rem 1.4rem; }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
td.actions { white-space: nowrap; }
td.actions form { display: inline-block; margin: 0 .15rem .15rem 0; }
td.actions button { font-size: .8rem; padding: .25rem .55rem; }

section.panel { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin: 1rem 0; }
section.panel.paused { border-color: var(--err); }

.login-box { max-width: 360px; margin: 8vh auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 1.4rem; }
.login-box h1 { margin-top: 0; }
.login-box form { display: flex; flex-direction: column; gap: .9rem; }