:root {
  --ink: #0f1a16;
  --paper: #f6f4ee;
  --card: #ffffff;
  --muted: #5d6b64;
  --line: #e2ded3;
  --accent: #0f7b52;
  --red: #d64545;
  --yellow: #e6a817;
  --green: #1f9d5c;
  --radius: 14px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
a { color: var(--accent); }
code { background: #ece8dd; padding: 0.1em 0.35em; border-radius: 5px; font-size: 0.9em; }

.bar { display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 40px); border-bottom: 1px solid var(--line); background: var(--paper); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-size: 1.1rem; }
.brand b { color: var(--accent); }
.dot { width: 12px; height: 12px; border-radius: 50%;
  background: conic-gradient(var(--green) 0 33%, var(--yellow) 0 66%, var(--red) 0); }
.navlink { color: var(--ink); text-decoration: none; font-size: 0.95rem; }
.linkbtn { background: none; border: 0; cursor: pointer; font: inherit; }

main { padding: clamp(16px, 4vw, 40px); max-width: 760px; margin: 0 auto; }
body.wide main { max-width: 1180px; }

.hero { padding-top: clamp(24px, 8vh, 90px); }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; color: var(--muted); }
.hero h1 { font-size: clamp(2rem, 5.5vw, 3.4rem); line-height: 1.08; margin: 0.2em 0 0.4em; letter-spacing: -0.02em; }
.hero h1 em { color: var(--accent); font-style: normal; }
.lede { font-size: clamp(1.05rem, 2.2vw, 1.25rem); line-height: 1.55; color: #2c3833; max-width: 40em; }
.legend { display: flex; gap: 10px; margin: 28px 0; flex-wrap: wrap; }
.chip { padding: 6px 14px; border-radius: 999px; font-weight: 600; font-size: 0.9rem; color: #fff; }
.chip.red { background: var(--red); } .chip.yellow { background: var(--yellow); color: var(--ink); } .chip.green { background: var(--green); }
.soon { color: var(--muted); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(20px, 4vw, 36px); }
.narrow { max-width: 460px; margin: 6vh auto 0; }
.card h1 { margin-top: 0; }
.primary { background: var(--ink); color: #fff; border: 0; border-radius: 10px; padding: 13px 20px;
  font: inherit; font-weight: 600; cursor: pointer; width: 100%; margin-top: 8px; }
.primary:disabled { opacity: 0.5; cursor: wait; }
.field { display: block; margin: 16px 0 6px; font-weight: 600; font-size: 0.9rem; }
.field input { display: block; width: 100%; margin-top: 6px; padding: 11px 12px; border: 1px solid var(--line);
  border-radius: 9px; font: inherit; }
.msg { min-height: 1.4em; color: var(--red); }

.advice { border-radius: var(--radius); padding: 14px 18px; margin-bottom: 18px; }
.advice.ok { background: #e3f3ea; } .advice.warn { background: #fdf0d2; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.tile, .panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.tile h3 { margin: 0; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.big { font-size: 2rem; font-weight: 700; margin: 6px 0 2px; }
.sub { color: var(--muted); font-size: 0.85rem; margin: 0; }
.panel { margin-bottom: 18px; }
.panel h2 { font-size: 1rem; margin: 0 0 12px; }
.two { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 18px; }
.two .panel { margin-bottom: 0; } .two { margin-bottom: 18px; }
.chart { width: 100%; height: 160px; background: #fbfaf6; border-radius: 10px; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .ln { fill: none; stroke-width: 2; vector-effect: non-scaling-stroke; }
.ln.cpu { stroke: var(--accent); } .ln.mem { stroke: #7a8cff; } .ln.load { stroke: var(--yellow); }
.charttext { fill: var(--muted); font-size: 14px; }
.keys { font-size: 0.85rem; color: var(--muted); display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.k { display: inline-block; width: 14px; height: 3px; margin-right: -8px; }
.k.cpu { background: var(--accent); } .k.mem { background: #7a8cff; } .k.load { background: var(--yellow); }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; }
.n { text-align: right; font-variant-numeric: tabular-nums; }
.empty { color: var(--muted); font-size: 0.9rem; margin: 4px 0 0; }
.foot { text-align: right; }