/* Bot-check lab: the Hopper Labs design (hopperlabs.ai tokens), light and dark. */
:root {
  --canvas: #fafafa; --surface: #fff; --text: #18181b; --muted: #71717a; --line: #e4e4e7;
  --forest: #285447; --fill: #edf3ed; --ok: #285447; --bad: #b42318; --warn: #a15c07;
  --bad-tint: #fef3f2; --warn-tint: #fffaeb; --shadow: 0 1px 2px #18181b0d, 0 8px 24px #18181b0a;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #101012; --surface: #1a1a1e; --text: #f4f4f5; --muted: #9d9da6; --line: #2c2c31;
    --forest: #a2cdb5; --fill: #25312a; --ok: #a2cdb5; --bad: #f97066; --warn: #fdb022;
    --bad-tint: #3b1a17; --warn-tint: #33260d; --shadow: 0 1px 2px #0000004d, 0 8px 24px #00000040;
  }
}
* { box-sizing: border-box; }
html { background: var(--canvas); }
body { margin: 0; background: var(--canvas); color: var(--text); font: 15px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--forest); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; border-radius: 8px; }
.skip:focus { left: 16px; z-index: 10; }
:focus-visible { outline: 2px solid var(--forest); outline-offset: 3px; }

/* Header and footer */
.site-header { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--canvas) 88%, transparent); position: sticky; top: 0; z-index: 5; backdrop-filter: blur(10px); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 64px; }
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--text); }
.brand-name { font-weight: 750; font-size: 19px; letter-spacing: -0.03em; }
.brand-tag { font-size: 10px; font-weight: 650; letter-spacing: 1.6px; text-transform: uppercase; color: var(--forest); background: var(--fill); padding: 3px 8px; border-radius: 12px; }
.site-header nav, .site-footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
.site-header nav a, .site-footer nav a { color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 550; }
.site-header nav a:hover, .site-footer nav a:hover { color: var(--text); }
.site-footer { border-top: 1px solid var(--line); margin-top: 56px; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 26px; padding-bottom: 40px; color: var(--muted); font-size: 12px; }
.footer-row p { margin: 0; max-width: 620px; }

/* Page */
.crumbs { display: flex; gap: 8px; font-size: 12px; color: var(--muted); margin: 28px 0 0; flex-wrap: wrap; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--text); }
.intro { padding: 22px 0 8px; }
.eyebrow { letter-spacing: 1.6px; text-transform: uppercase; color: var(--forest); font-size: 10px; font-weight: 650; margin: 0 0 8px; }
h1 { letter-spacing: -0.05em; font-size: clamp(38px, 5vw, 58px); line-height: 1.04; margin: 0 0 14px; font-weight: 750; }
h2 { letter-spacing: -0.03em; font-size: 21px; line-height: 1.25; margin: 0 0 8px; }
.lede { max-width: 680px; color: var(--muted); font-size: 17px; line-height: 1.7; margin: 0 0 10px; }
.meta { color: var(--muted); font-size: 12px; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 12px; margin: 6px 0 0; min-height: 1em; }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 15px; padding: 24px; margin-top: 18px; box-shadow: var(--shadow); min-width: 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.verdict-card { background: linear-gradient(180deg, var(--fill), var(--surface) 70%); }
.verdict-row { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; }
.big { font-size: clamp(30px, 4vw, 44px); font-weight: 750; letter-spacing: -0.04em; line-height: 1.1; }
.big.ok { color: var(--ok); } .big.bad { color: var(--bad); } .big.warn { color: var(--warn); }
.code { font: 600 13px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); margin-top: 8px; overflow-wrap: anywhere; }

/* Buttons and inputs */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--forest); border-radius: 8px; padding: 11px 16px; font-family: inherit; font-size: 13px; font-weight: 650; line-height: 1; cursor: pointer; text-decoration: none; transition: transform .15s, box-shadow .15s; }
.button:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.button.primary { background: #285447; border-color: #285447; color: #fff; }
.text-link { font-size: 13px; font-weight: 600; text-decoration: none; }
.actions { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; margin: 14px 0 0; }
label { display: block; font-weight: 650; font-size: 13px; margin: 14px 0 6px; }
.probe-row { display: flex; gap: 10px; flex-wrap: wrap; }
input { flex: 1 1 220px; min-width: 0; font-family: inherit; font-size: 16px; line-height: 1.4; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--canvas); color: var(--text); }

/* Summary tiles and findings */
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.tile { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); padding: 14px 16px; min-width: 0; }
.tile .t-label { color: var(--muted); font-size: 11px; font-weight: 650; letter-spacing: 1.2px; text-transform: uppercase; }
.tile .t-value { font-weight: 700; font-size: 17px; margin-top: 6px; overflow-wrap: anywhere; letter-spacing: -0.02em; }
.tile .t-note { color: var(--muted); font-size: 12px; margin-top: 2px; }
.tile.ok .t-value { color: var(--ok); } .tile.bad .t-value { color: var(--bad); } .tile.warn .t-value { color: var(--warn); }
#findings h2 { margin-top: 22px; font-size: 17px; }
.findings { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 8px; }
.findings li { border: 1px solid var(--line); border-left: 4px solid var(--warn); background: var(--warn-tint); border-radius: 10px; padding: 10px 14px; }
.findings li.bad { border-left-color: var(--bad); background: var(--bad-tint); }
.findings .f-title { font-weight: 700; font-size: 14px; }
.findings .f-detail { font-size: 13px; }
.findings .f-means { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* Key-value rows */
.kv { display: grid; grid-template-columns: minmax(150px, max-content) 1fr; gap: 6px 18px; margin-top: 14px; font-size: 13px; }
.kv .k { color: var(--muted); }
.kv .v { overflow-wrap: anywhere; }
.kv .v.bad { color: var(--bad); font-weight: 700; } .kv .v.ok { color: var(--ok); } .kv .v.warn { color: var(--warn); font-weight: 650; }

details summary { cursor: pointer; font-weight: 650; }
pre { white-space: pre-wrap; word-break: break-word; background: var(--canvas); border: 1px solid var(--line); border-radius: 10px; padding: 14px; font-size: 12px; max-height: 480px; overflow: auto; margin: 14px 0 0; }

@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .header-row { flex-wrap: wrap; min-height: 0; padding-top: 12px; padding-bottom: 12px; gap: 8px; }
  .site-header nav { gap: 14px; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv .v { margin-bottom: 8px; }
  .card { padding: 18px; }
}