:root {
  color-scheme: light dark;
  --fg: #1b1f24;
  --muted: #5b6570;
  --bg: #f6f7f9;
  --card: #ffffff;
  --line: #d8dde3;
  --ok-bg: #e6f4ea;
  --ok-fg: #14652b;
  --bad-bg: #fdeaea;
  --bad-fg: #a01818;
  --warn-bg: #fdf3e2;
  --warn-fg: #8a5b00;
  --unknown-bg: #eef1f5;
  --unknown-fg: #4a5560;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e6e9ed;
    --muted: #9aa4b0;
    --bg: #14171b;
    --card: #1c2026;
    --line: #2c333b;
    --ok-bg: #16301f;
    --ok-fg: #7ee2a0;
    --bad-bg: #351a1a;
    --bad-fg: #ff9b9b;
    --warn-bg: #362c15;
    --warn-fg: #f0c47a;
    --unknown-bg: #232830;
    --unknown-fg: #b6c0cb;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2rem 1rem;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}

#app { max-width: 72rem; margin: 0 auto; }

h1 { font-size: 1.35rem; margin: 0 0 .25rem; }
h2 { font-size: 1rem; margin: 1.75rem 0 .5rem; }
.muted { color: var(--muted); margin: .25rem 0 1rem; }

.bar { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }

form { display: grid; gap: .35rem; max-width: 22rem; }
label { font-size: .85rem; color: var(--muted); }
input {
  padding: .55rem .65rem; font-size: 1rem; color: var(--fg);
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
}
button {
  margin-top: .75rem; padding: .55rem 1.1rem; font-size: 1rem; cursor: pointer;
  color: var(--fg); background: var(--card); border: 1px solid var(--line); border-radius: 6px;
}
button:hover { border-color: var(--muted); }

.error { color: var(--bad-fg); }

.freshness { padding: 1.25rem; border-radius: 10px; border: 1px solid var(--line); margin: 1rem 0; }
.freshness.ok { background: var(--ok-bg); border-color: transparent; }
.freshness.bad { background: var(--bad-bg); border-color: transparent; }
.freshness-title { font-size: 1.6rem; font-weight: 600; }
.freshness.ok .freshness-title { color: var(--ok-fg); }
.freshness.bad .freshness-title { color: var(--bad-fg); }
.freshness-detail { color: var(--muted); margin-top: .35rem; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1.25rem; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-variant-numeric: tabular-nums; }

ul { margin: 0; padding-left: 1.25rem; }

pre {
  padding: 1rem; overflow: auto; max-height: 32rem;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ── экраны C3 ────────────────────────────────────────────────────────────── */

.tabs { display: flex; flex-wrap: wrap; gap: .35rem; margin: 1rem 0 .5rem; }
.tab { margin: 0; padding: .4rem .8rem; font-size: .9rem; }
.tab.active { border-color: var(--muted); font-weight: 600; }

.freshness.unknown { background: var(--unknown-bg); border-color: transparent; }
.freshness.unknown .freshness-title { color: var(--unknown-fg); }
.freshness.warn { background: var(--warn-bg); border-color: transparent; }
.freshness.warn .freshness-title { color: var(--warn-fg); }

.badge {
  display: inline-block; padding: .1rem .5rem; border-radius: 999px;
  font-size: .78rem; vertical-align: middle;
  background: var(--unknown-bg); color: var(--unknown-fg);
}
.badge.ok { background: var(--ok-bg); color: var(--ok-fg); }
.badge.bad { background: var(--bad-bg); color: var(--bad-fg); }
.badge.warn { background: var(--warn-bg); color: var(--warn-fg); }

.scroll { overflow-x: auto; }
table.grid {
  width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; font-size: .88rem;
}
table.grid th, table.grid td {
  text-align: left; padding: .4rem .6rem; border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.grid th { color: var(--muted); font-weight: 500; white-space: nowrap; }
table.grid td { font-variant-numeric: tabular-nums; }
table.grid tr.ok td:nth-child(2) { color: var(--ok-fg); }
table.grid tr.bad td:nth-child(2) { color: var(--bad-fg); }
table.grid tr.warn td:nth-child(2) { color: var(--warn-fg); }

dd.bad { color: var(--bad-fg); }

.step, .release {
  padding: .75rem 1rem; margin: .5rem 0; border-radius: 8px;
  background: var(--card); border: 1px solid var(--line); border-left-width: 4px;
}
.step.ok { border-left-color: var(--ok-fg); }
.step.bad { border-left-color: var(--bad-fg); }
.step.warn { border-left-color: var(--warn-fg); }
.step.unknown { border-left-color: var(--unknown-fg); }
.step-head { display: flex; align-items: center; gap: .5rem; margin-bottom: .3rem; }
.step-n {
  min-width: 1.6rem; height: 1.6rem; line-height: 1.6rem; text-align: center;
  border-radius: 50%; background: var(--unknown-bg); color: var(--unknown-fg); font-size: .8rem;
}
.step-title { font-weight: 600; }
.step-reason { color: var(--bad-fg); }
li.bad { color: var(--bad-fg); }
li.warn { color: var(--warn-fg); }
details summary { cursor: pointer; color: var(--muted); margin: 1rem 0 .5rem; }