:root {
  --bg: #eef2f4; --surface: #ffffff; --ink: #142833; --muted: #536a76; --line: #cfdbe1;
  --accent: #0f6c86; --accent-soft: #dcecf1;
  --ok: #2c7a4b; --ok-soft: #dff2e6; --warn: #9a5a00; --warn-soft: #fbefdc; --bad: #b3261e; --bad-soft: #fbe3e1;
  --off: #6b7f89; --off-soft: #e6ecef;
  --code-bg: #10222b; --code-fg: #dbe9ee;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1a20; --surface: #13252d; --ink: #e2edf1; --muted: #93abb6; --line: #24404c;
    --accent: #5cc0dc; --accent-soft: #163a46;
    --ok: #6fcf97; --ok-soft: #173326; --warn: #f0b562; --warn-soft: #3a2b14; --bad: #ff8a80; --bad-soft: #3d1a18;
    --off: #8aa0aa; --off-soft: #1c3038; --code-bg: #08141a; --code-fg: #d6e6ec;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--font);
  padding: 28px max(16px, env(safe-area-inset-right)) 56px max(16px, env(safe-area-inset-left)); }
header.top, main { max-width: 1100px; margin: 0 auto; }
header.top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.eyebrow { font: 600 12px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
h1 { font-size: clamp(1.7rem, 5vw, 2.5rem); line-height: 1.1; margin: 6px 0 6px; letter-spacing: -.02em; }
h1.ok { color: var(--ok); } h1.warn { color: var(--warn); } h1.bad { color: var(--bad); }
h2 { font-size: 1.15rem; margin: 0 0 10px; }
.meta, .dim { color: var(--muted); font-size: 14px; margin: 0; }
main { display: grid; grid-template-columns: minmax(0, 1fr); gap: 36px; }
main > section { min-width: 0; }
.m, code, pre { font-family: var(--mono); font-size: 14px; }
code { background: var(--accent-soft); padding: 1px 5px; border-radius: 4px; }
button { font: 600 15px var(--font); border-radius: 6px; padding: 9px 16px; cursor: pointer; border: 1px solid var(--accent); background: var(--accent); color: #fff; }
button.ghost { background: transparent; color: var(--accent); }
button:focus-visible, input:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr)); gap: 14px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: grid; gap: 8px; align-content: start; }
.card h2 { font-size: 1rem; margin: 0; }
.card p { margin: 0; }
dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; }
dt { color: var(--muted); } dd { margin: 0; }

progress.bar { appearance: none; -webkit-appearance: none; width: 100%; height: 10px; border: 0; border-radius: 5px; background: var(--off-soft); overflow: hidden; }
progress.bar::-webkit-progress-bar { background: var(--off-soft); }
progress.bar::-webkit-progress-value { background: var(--c, var(--ok)); border-radius: 5px; }
progress.bar::-moz-progress-bar { background: var(--c, var(--ok)); border-radius: 5px; }
progress.ok { --c: var(--ok); } progress.warn { --c: var(--warn); } progress.bad { --c: var(--bad); }

.tbl { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 15px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); background: var(--bg); }
tr:last-child td { border-bottom: 0; }
td.m { overflow-wrap: anywhere; }
section > .dim { margin-top: 8px; }

.st { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; white-space: nowrap; }
.st::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: currentColor; flex: none; }
.st.ok { color: var(--ok); } .st.warn { color: var(--warn); } .st.bad { color: var(--bad); } .st.off { color: var(--off); font-weight: 400; }

.error { color: var(--bad); background: var(--bad-soft); padding: 8px 12px; border-radius: 6px; margin: 0 0 10px; }

.help { display: grid; gap: 8px; }
details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 0 16px; }
summary { cursor: pointer; padding: 12px 0; font-weight: 600; }
details[open] { padding-bottom: 14px; }
details p { margin: 0 0 10px; max-width: 70ch; }
.code { position: relative; background: var(--code-bg); color: var(--code-fg); border-radius: 8px; }
.code pre { margin: 0; padding: 14px 16px; overflow-x: auto; white-space: pre; line-height: 1.6; }
.code .copy { position: absolute; top: 8px; right: 8px; font: 12px var(--mono); padding: 3px 9px; background: transparent; border-color: #7f9cab; color: var(--code-fg); }

body.login { display: grid; place-items: center; min-height: 100vh; padding-top: 0; }
.login-box { width: min(360px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 28px 24px; }
.login-box form { display: grid; gap: 10px; margin-top: 18px; }
.login-box label { font-weight: 600; font-size: 14px; }
.login-box input { font: 16px var(--font); padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); width: 100%; }
.login-box .error { margin: 0; }

@media (max-width: 600px) {
  header.top { flex-direction: column; }
}