:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-2: #f1f1ee;
  --border: #e3e2dd;
  --text: #1b1b19;
  --muted: #6a6964;
  --accent: #2f5bea;
  --accent-soft: #e8eefd;
  --good: #1d7a46;
  --good-soft: #e3f3e9;
  --warn: #9a5b00;
  --warn-soft: #fbf0dc;
  --bad: #b42318;
  --bad-soft: #fbe6e4;
  --code-bg: #16181d;
  --code-text: #e6e8ee;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 2px 8px rgba(0,0,0,.04);
  --on-accent: #ffffff;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214; --surface: #1a1b1e; --surface-2: #222327; --border: #2e2f34;
    --text: #ececea; --muted: #9b9a95; --accent: #7c9cff; --accent-soft: #1e2643; --on-accent: #0d1330;
    --good: #5cc98b; --good-soft: #15291e; --warn: #e5ad4f; --warn-soft: #2d2412;
    --bad: #f2867c; --bad-soft: #321a18; --code-bg: #0b0c0e;
    --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.55 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5rem; text-wrap: balance; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -.02em; }
h2 { font-size: 1.15rem; letter-spacing: -.01em; }
h3 { font-size: .95rem; }
p { margin: 0 0 1rem; text-wrap: pretty; }
code, pre { font-family: var(--mono); font-size: .85em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.topbar { border-bottom: 1px solid var(--border); background: var(--surface); }
.topbar .wrap { display: flex; align-items: center; gap: 1rem; height: 56px; }
.brand { font-weight: 700; color: var(--text); display: flex; align-items: center; gap: .5rem; }
.brand svg { color: var(--accent); }
.topbar nav { margin-left: auto; display: flex; gap: 1.25rem; font-size: .9rem; }
.topbar nav a { color: var(--muted); }

.hero { padding: 3.5rem 0 2rem; }
.hero p.lead { font-size: 1.1rem; color: var(--muted); max-width: 62ch; }
.eyebrow { font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: .75rem; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); min-width: 0; }
.card > h2 { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; }
.card .sub { color: var(--muted); font-size: .85rem; margin: -.25rem 0 1rem; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kpis { grid-template-columns: repeat(5, minmax(0, 1fr)); }
@media (max-width: 900px) { .g2, .g3 { grid-template-columns: 1fr; } .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
section { margin: 0 0 2.5rem; }

form.inline { display: flex; gap: .5rem; flex-wrap: wrap; }
input, select, button, textarea { font: inherit; }
input[type=text], input[type=url], select {
  flex: 1 1 220px; min-width: 0; padding: .65rem .8rem; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text);
}
button, .btn {
  padding: .65rem 1.1rem; border-radius: 8px; border: 1px solid transparent; background: var(--accent); color: var(--on-accent);
  font-weight: 600; cursor: pointer; white-space: nowrap; display: inline-flex; align-items: center; gap: .4rem;
}
button:hover { filter: brightness(1.07); }
button:disabled { opacity: .6; cursor: progress; }
button.ghost { background: transparent; color: var(--text); border-color: var(--border); }
.hint { color: var(--muted); font-size: .85rem; }
.error { color: var(--bad); background: var(--bad-soft); padding: .6rem .8rem; border-radius: 8px; font-size: .9rem; }

pre.code { background: var(--code-bg); color: var(--code-text); padding: 1rem; border-radius: 8px; overflow-x: auto; margin: 0; line-height: 1.5; }
.copyable { position: relative; }
.copyable button { position: absolute; top: .5rem; right: .5rem; padding: .25rem .6rem; font-size: .75rem; background: #2c3039; color: #fff; }

.pill { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .75rem; font-weight: 600; white-space: nowrap; }
.pill.pass, .pill.good { background: var(--good-soft); color: var(--good); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.fail, .pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.neutral { background: var(--surface-2); color: var(--muted); }

/* Score */
.score-head { display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; margin-bottom: 1rem; }
.ring { --v: 0; --c: var(--accent); width: 120px; height: 120px; border-radius: 50%; flex: none;
  background: conic-gradient(var(--c) calc(var(--v) * 1%), var(--surface-2) 0); display: grid; place-items: center; }
.ring > div { width: 96px; height: 96px; border-radius: 50%; background: var(--surface); display: grid; place-items: center; text-align: center; }
.ring b { font-size: 2rem; line-height: 1; font-variant-numeric: tabular-nums; }
.ring span { font-size: .75rem; color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.checks li { display: grid; grid-template-columns: auto 1fr auto; gap: .75rem; align-items: start; padding: .7rem .8rem; border: 1px solid var(--border); border-radius: 8px; }
.checks .lbl { font-weight: 600; }
.checks .det { color: var(--muted); font-size: .85rem; overflow-wrap: anywhere; }
.checks .fix { font-size: .85rem; margin-top: .25rem; }
.checks .pts { font-variant-numeric: tabular-nums; color: var(--muted); font-size: .85rem; }

/* KPIs */
.kpi .label { color: var(--muted); font-size: .8rem; }
.kpi .value { font-size: 1.7rem; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.kpi .ctx { font-size: .8rem; color: var(--muted); }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .5rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: .8rem; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }

/* Bars */
.bars { display: grid; gap: .55rem; }
.bar-row { display: grid; grid-template-columns: minmax(110px, 38%) 1fr 3.5rem; gap: .6rem; align-items: center; font-size: .88rem; }
.bar-row .track { height: 10px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.bar-row .fill { height: 100%; background: var(--accent); border-radius: 999px; }
.bar-row .n { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); }

/* Notes feed */
.feed { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.feed li { padding-bottom: .75rem; border-bottom: 1px solid var(--border); }
.feed li:last-child { padding-bottom: 0; border-bottom: 0; }
.feed .meta { font-size: .78rem; color: var(--muted); display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.feed .intent { font-weight: 600; font-size: .9rem; margin: .15rem 0; }
.feed .note { font-size: .9rem; }

.chart svg { width: 100%; height: auto; display: block; }
.chart .axis { fill: var(--muted); font-size: 10px; }
.legend { display: flex; gap: 1rem; font-size: .8rem; color: var(--muted); margin-top: .5rem; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: .35rem; vertical-align: -1px; }

.empty { color: var(--muted); font-size: .9rem; padding: 1rem 0; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.steps li { counter-increment: s; padding-left: 2.3rem; position: relative; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 1.6rem; height: 1.6rem; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 700; display: grid; place-items: center; font-size: .85rem; }
.tabs { display: flex; gap: .25rem; margin-bottom: .75rem; flex-wrap: wrap; }
.tabs button { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: .35rem .8rem; font-weight: 500; }
.tabs button[aria-selected=true] { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
footer { border-top: 1px solid var(--border); padding: 1.5rem 0 3rem; color: var(--muted); font-size: .85rem; }
.row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
[hidden] { display: none !important; }
.checks.compact { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.checks.compact li { grid-template-columns: auto 1fr; padding: .5rem .6rem; font-size: .88rem; }
.grid.top-align { align-items: start; }
@media (max-width: 640px) {
  .topbar nav { gap: .9rem; }
  .topbar nav a:not(:last-child) { display: none; }
}