/* Fablets — "terrarium" visual identity.
   Deep slate-green panels, emerald + heat-amber accents, parameter readouts. */
:root {
  --bg: #0d1512;
  --panel: #16221d;
  --panel-2: #1b2b24;
  --line: #2a3d34;
  --ink: #d9e7df;
  --muted: #8ba69a;
  --emerald: #45c08a;
  --emerald-dim: #2f8a62;
  --heat: #e0a83c;
  --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 78% -12%, rgba(69,192,138,0.13), transparent 62%),
    radial-gradient(760px 420px at 8% 4%, rgba(224,168,60,0.07), transparent 60%),
    var(--bg);
  color: var(--ink);
  font: 17px/1.72 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--emerald); text-decoration: none; }
a:hover { color: #6fe0ab; text-decoration: underline; text-underline-offset: 3px; }
.zh { color: var(--muted); }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--panel); padding: 8px 12px; z-index: 20; }

/* ---------- top bar ---------- */
.bar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(13,21,18,0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.bar__in {
  max-width: 1120px; margin: 0 auto; padding: 12px 22px;
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo:hover { text-decoration: none; }
.logo__glyph {
  width: 22px; height: 22px; border-radius: 6px;
  background: linear-gradient(140deg, var(--emerald), var(--heat));
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08) inset;
}
.logo__word {
  font-weight: 800; font-size: 21px; letter-spacing: 0.02em; color: var(--ink);
}
.nav { display: flex; flex-wrap: wrap; gap: 4px; margin-left: auto; }
.nav a {
  font-size: 14px; color: var(--muted); padding: 7px 11px; border-radius: 999px;
}
.nav a:hover { color: var(--ink); background: var(--panel); text-decoration: none; }

/* ---------- hero ---------- */
.hero {
  position: relative; max-width: 1120px; margin: 0 auto;
  padding: 74px 22px 40px; overflow: hidden;
}
.hero__eyebrow {
  font: 12px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.2em;
  color: var(--heat); margin: 0 0 18px;
}
.hero__title { font-size: clamp(34px, 5.6vw, 60px); line-height: 1.1; margin: 0 0 18px; font-weight: 800; }
.hero__title em { font-style: normal; color: var(--emerald); }
.hero__lede { max-width: 62ch; font-size: 18.5px; color: var(--muted); margin: 0; }

.h-sec {
  max-width: 1120px; margin: 46px auto 20px; padding: 0 22px;
  font-size: 15px; font-weight: 700; letter-spacing: 0.02em;
}
.h-sec span {
  font: 11.5px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.2em;
  color: var(--heat); margin-right: 12px;
}

/* ---------- zones ---------- */
.zone-grid {
  max-width: 1120px; margin: 0 auto; padding: 0 22px;
  display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.zone {
  display: block; padding: 20px; border: 1px solid var(--line); border-radius: 14px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  color: inherit; transition: border-color .15s, transform .15s;
}
.zone:hover { border-color: var(--emerald-dim); transform: translateY(-2px); text-decoration: none; }
.zone h2, .zone h3 { margin: 0 0 8px; font-size: 19px; color: var(--ink); }
.zone p { margin: 0 0 14px; font-size: 15px; color: var(--muted); }
.zone__n { font: 12px/1 var(--mono); color: var(--emerald); }

/* ---------- log list ---------- */
.log { padding-bottom: 34px; }
.log-list { max-width: 1120px; margin: 0 auto; padding: 0 22px; list-style: none; }
.log-item {
  display: grid; grid-template-columns: 52px 1fr; gap: 16px;
  padding: 16px 0; border-top: 1px solid var(--line);
}
.log-item__n { font: 14px/1.6 var(--mono); color: var(--heat); }
.log-item__b h2, .log-item__b h3 { margin: 0 0 4px; font-size: 21px; }
.log-item__b h2 a, .log-item__b h3 a { color: var(--ink); }
.log-item__b h2 a:hover, .log-item__b h3 a:hover { color: var(--emerald); text-decoration: none; }
.log-item__meta { font: 12px/1.5 var(--mono); text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin: 0 0 6px; }
.log-item__d { margin: 0; color: var(--muted); font-size: 15.5px; }
.log-empty { padding: 20px 0; color: var(--muted); font-style: italic; }

/* ---------- generic page ---------- */
.wrap { max-width: 1120px; margin: 0 auto; padding: 34px 22px 10px; }
.wrap--narrow { max-width: 780px; }
.page-title { font-size: clamp(30px, 4.6vw, 46px); margin: 0 0 12px; font-weight: 800; }
.page-lede { color: var(--muted); font-size: 18px; margin: 0 0 30px; max-width: 64ch; }
.crumb { font: 12.5px/1.6 var(--mono); color: var(--muted); margin: 0 0 20px; letter-spacing: 0.02em; }

.zone-hero { border-left: 4px solid var(--emerald); padding: 2px 0 2px 18px; margin: 0 0 28px; }
.zone-hero h1 { font-size: clamp(28px, 4.2vw, 42px); margin: 0 0 10px; font-weight: 800; }
.zone-hero p { color: var(--muted); font-size: 17.5px; margin: 0 0 10px; max-width: 62ch; }
.zone-hero__n { font: 12px/1 var(--mono); color: var(--heat); }

/* ---------- article ---------- */
.article { max-width: 1120px; margin: 0 auto; }
.article__head { border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 26px; }
.article__head h1 { font-size: clamp(30px, 4.6vw, 46px); margin: 0 0 6px; font-weight: 800; }
.article__zh { color: var(--heat); font-size: 16px; margin: 0 0 12px; }
.article__lede { color: var(--muted); font-size: 19px; margin: 0; max-width: 70ch; }

.article__grid { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: start; }
@media (max-width: 880px) { .article__grid { grid-template-columns: 1fr; gap: 26px; } }

.params {
  position: sticky; top: 84px;
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
}
.params__cap {
  margin: 0; padding: 12px 16px; font: 11.5px/1 var(--mono);
  text-transform: uppercase; letter-spacing: 0.18em; color: var(--heat);
  background: rgba(224,168,60,0.07); border-bottom: 1px solid var(--line);
}
.params dl { margin: 0; padding: 6px 16px 16px; }
.params dt {
  font: 11px/1.5 var(--mono); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); margin: 12px 0 2px;
}
.params dd { margin: 0; font-size: 16px; font-weight: 600; color: var(--emerald); }

.sec { margin: 0 0 30px; }
.sec h2 { font-size: 23px; margin: 0 0 12px; display: flex; align-items: baseline; gap: 12px; font-weight: 700; }
.sec__n { font: 12.5px/1 var(--mono); color: var(--heat); }
.sec p { margin: 0 0 15px; color: #c9dbd2; }

.related {
  margin-top: 40px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 14px;
  background: var(--panel);
}
.related h2 { font: 12px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.16em; color: var(--heat); margin: 0 0 12px; }
.related ul { margin: 0; padding-left: 18px; }
.related li { padding: 4px 0; }

/* ---------- legal ---------- */
.prose p { margin: 0 0 15px; color: var(--muted); }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); margin-top: 48px; background: rgba(22,34,29,0.5); }
.foot__in { max-width: 1120px; margin: 0 auto; padding: 30px 22px; }
.foot__tag { margin: 0 0 14px; color: var(--muted); font-size: 15px; max-width: 68ch; }
.foot__links { display: flex; flex-wrap: wrap; gap: 18px; margin: 0 0 12px; }
.foot__links a { font-size: 14px; }
.foot__mail { font: 12.5px/1.6 var(--mono); color: var(--muted); margin: 0; }