/* WASM vs JS lab page. Builds on css/lab.css (tokens, body, skip-link).
   Component styles only — no token redefinition, so this page can never drift
   from the rest of the lab. */

.container { max-width: 820px; margin: 0 auto; padding: 56px 24px 96px; }

/* ── Header ─────────────────────────────────────────────── */
.header { margin-bottom: 30px; }
.header > a {
  font-family: var(--mono); font-size: 13px;
  color: var(--accent); text-decoration: none;
}
.header > a:hover { color: var(--text); }
.header h1 {
  font-size: clamp(28px, 5vw, 40px); font-weight: 600;
  line-height: 1.15; margin-top: 16px; letter-spacing: -0.5px;
}
.header p, .explanation p { color: var(--text-dim); font-size: 15.5px; margin-top: 12px; }
.header p b, .explanation p b, .panel p b { color: var(--text); font-weight: 600; }

/* ── Panels ─────────────────────────────────────────────── */
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 22px 24px;
  margin: 24px 0;
}
.panel h2 {
  font-size: 17px; font-weight: 600; margin-bottom: 12px;
  letter-spacing: 0.2px;
}
.panel p { color: var(--text-dim); font-size: 15px; margin-bottom: 11px; }
.panel p:last-child { margin-bottom: 0; }
.panel i { color: var(--text); font-style: italic; }

/* A correction is not a footnote. It gets the amber channel and stays legible. */
.panel.correction {
  border-color: rgba(255, 159, 90, 0.34);
  background: rgba(255, 159, 90, 0.045);
}
.panel.correction h2 {
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-orange);
}
.panel.correction b { color: var(--accent-orange); }

/* ── Controls ───────────────────────────────────────────── */
.controls {
  display: flex; flex-wrap: wrap; gap: 14px 20px; align-items: center;
  margin: 26px 0 18px;
}
.controls .label {
  font-family: var(--mono); font-size: 12px;
  color: var(--text-dim); letter-spacing: 0.06em;
}
.controls select {
  font-family: var(--mono); font-size: 13px;
  background: var(--bg-accent); color: var(--text);
  border: 1px solid var(--panel-border); border-radius: 6px;
  padding: 8px 12px; cursor: pointer;
}
.run-btn {
  font-family: var(--mono); font-size: 13px; font-weight: 600;
  background: var(--accent); color: var(--bg);
  border: none; border-radius: 6px;
  padding: 12px 26px; min-height: 44px; cursor: pointer;
  transition: opacity .2s, transform .2s;
}
.run-btn:hover:not(:disabled) { opacity: .88; transform: translateY(-1px); }
.run-btn:disabled { opacity: .45; cursor: progress; transform: none; }

/* ── Readout ────────────────────────────────────────────── */
.readout {
  font-family: var(--mono); font-size: 12.5px; line-height: 1.9;
  color: var(--text-dim);
  background: var(--bg-accent);
  border: 1px solid var(--panel-border); border-radius: 8px;
  padding: 14px 16px; margin: 18px 0;
  white-space: pre-wrap; word-break: break-word;
  min-height: 3.6em;                /* height reserved: CLS 0 */
}

/* ── Result cards ───────────────────────────────────────── */
.results-grid {
  display: grid; gap: 14px; margin: 20px 0;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
.result-card {
  background: var(--bg-accent);
  border: 1px solid var(--panel-border); border-radius: 10px;
  padding: 16px 18px;
}
.result-card .label {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted); display: block; margin-bottom: 8px;
}
.result-card .metric {
  font-family: var(--mono); font-size: 13px; color: var(--text-dim);
  display: flex; justify-content: space-between; gap: 10px;
  padding: 3px 0;
}
.result-card .value {
  color: var(--text); font-variant-numeric: tabular-nums;
}
.result-card .value.c { color: var(--accent); }
.result-card .dim { color: var(--text-muted); }

/* ── Bars ───────────────────────────────────────────────── */
.bar-chart { margin: 22px 0; display: grid; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 116px 1fr; gap: 12px; align-items: center; }
.bar-label { font-family: var(--mono); font-size: 12px; color: var(--text-dim); }
.bar-track {
  background: var(--bg-accent); border: 1px solid var(--panel-border);
  border-radius: 4px; height: 22px; overflow: hidden;
}
.bar-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, rgba(0,229,160,.30), rgba(0,229,160,.62));
  font-family: var(--mono); font-size: 11px; color: var(--text);
  display: flex; align-items: center; justify-content: flex-end;
  padding-right: 8px;
  transition: width .45s cubic-bezier(.16,1,.3,1);
}

/* ── Text bits ──────────────────────────────────────────── */
.mono { font-family: var(--mono); }
.note { font-size: 13px; color: var(--text-muted); margin-top: 14px; }
code {
  font-family: var(--mono); font-size: .9em;
  background: rgba(255,255,255,.055); padding: 1px 6px; border-radius: 4px;
  color: var(--text);
}
.explanation { margin-top: 34px; }
.explanation h2 { font-size: 19px; font-weight: 600; margin: 26px 0 10px; }
a { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .bar-fill, .run-btn { transition: none; }
}

@media (max-width: 560px) {
  .container { padding: 36px 18px 72px; }
  .bar-row { grid-template-columns: 88px 1fr; }
}