:root {
  --bg: #0b0d12;
  --bg-elev: #141821;
  --bg-elev-2: #1c2230;
  --fg: #e7ecf3;
  --muted: #8b96a8;
  --accent: #6ee7b7;
  --long: #22c55e;
  --short: #ef4444;
  --border: #232a39;
  --radius: 12px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.55;
  font-size: 16px;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--accent); color: #000; padding: .5rem .75rem; border-radius: 6px; z-index: 100; }
.muted { color: var(--muted); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; }
h1 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin: 1.2rem 0 .5rem; }
h2 { font-size: 1.35rem; margin: 2rem 0 .75rem; }
h3 { font-size: 1.05rem; margin: 0; }

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11,13,18,.85);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 10;
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; padding: .75rem 1rem; gap: 1rem; }
.brand { font-weight: 700; font-size: 1.05rem; color: var(--fg); }
.brand .logo { color: var(--accent); }
.site-header nav ul { list-style: none; display: flex; gap: 1rem; margin: 0; padding: 0; flex-wrap: wrap; }
.site-header nav a { color: var(--fg); font-size: .95rem; }
.site-header nav a[aria-current="page"] { color: var(--accent); }

.lang-switch { display: flex; gap: .25rem; }
.lang-switch a {
  font-size: .72rem;
  letter-spacing: .04em;
  padding: .2rem .45rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
}
.lang-switch a:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.lang-switch a[aria-current="page"] { color: var(--bg); background: var(--accent); border-color: var(--accent); }

.hero { padding: 2rem 0 1rem; border-bottom: 1px solid var(--border); margin-bottom: 1.5rem; }
.hero .lede { color: var(--muted); max-width: 60ch; }
.hero__meta { margin-top: .75rem; font-size: .95rem; }

.filters { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin: 1rem 0 1.25rem; }
.filters strong { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-right: .25rem; }
.pill {
  background: var(--bg-elev);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: .35rem .75rem;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: .85rem;
}
.pill:hover { border-color: var(--accent); color: var(--accent); }

.signals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.signal {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.signal--long { border-left-color: var(--long); }
.signal--short { border-left-color: var(--short); }
.signal__head { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
.signal__title { flex: 1 1 auto; font-size: 1.05rem; }
.signal__title a { color: var(--fg); }
.signal__date { font-family: var(--mono); font-size: .8rem; color: var(--muted); }

.badge { font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; padding: .15rem .5rem; border-radius: 999px; border: 1px solid var(--border); }
.badge--long { background: rgba(34,197,94,.12); color: var(--long); border-color: rgba(34,197,94,.35); }
.badge--short { background: rgba(239,68,68,.12); color: var(--short); border-color: rgba(239,68,68,.35); }
.badge--tf { color: var(--muted); }

.signal__levels { display: grid; grid-template-columns: 1fr 1fr; gap: .35rem .75rem; margin: 0; font-size: .9rem; }
.signal__levels > div { display: flex; flex-direction: column; gap: .1rem; }
.signal__levels dt { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; }
.signal__levels dd { margin: 0; font-family: var(--mono); }
.signal__levels meter { width: 6ch; height: .65rem; vertical-align: middle; }

.signal__rationale { margin: 0; color: var(--fg); font-size: .9rem; }

.archive-list { list-style: none; padding: 0; }
.archive-list li { padding: .4rem 0; border-bottom: 1px dashed var(--border); }
.archive-list--full li { font-size: .95rem; }

.coin-chips { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.coin-chips a {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: .3rem .65rem;
  border-radius: 999px;
  color: var(--fg);
  font-size: .85rem;
  display: inline-flex; gap: .35rem; align-items: center;
}
.coin-chips a small { color: var(--muted); font-size: .75rem; }
.coin-chips a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.coin-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .5rem; }
.coin-list a {
  display: grid; grid-template-columns: auto 1fr auto; gap: .5rem;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: .65rem .85rem; color: var(--fg);
  align-items: baseline;
}
.coin-list a:hover { border-color: var(--accent); text-decoration: none; }
.coin-list em { color: var(--muted); font-style: normal; font-size: .8rem; }

.crumbs { font-size: .85rem; color: var(--muted); margin: 1rem 0; }
.crumbs a { color: var(--muted); }

.ads { margin: 2rem auto; }
.ad-slot {
  border: 1px dashed var(--border); border-radius: var(--radius);
  padding: 1.5rem; text-align: center; color: var(--muted); font-size: .85rem;
}

.site-footer { border-top: 1px solid var(--border); margin-top: 3rem; padding: 1.5rem 0; }
.site-footer p { margin: .25rem 0; font-size: .9rem; }

.empty { color: var(--muted); padding: 2rem 0; text-align: center; }

@media (max-width: 640px) {
  .site-header .wrap { flex-direction: column; align-items: flex-start; }
  .signals-grid { grid-template-columns: 1fr; }
}