/* Lab: how Cloudflare sees your request.
   Scoped to this one page on purpose — it loads after style.css and
   uses that file's tokens, so the lab can grow its own vocabulary
   without touching the sitewide sheet. */

.lab-actions { display: flex; gap: 10px; margin: 20px 0 8px; flex-wrap: wrap; }

.lab-out { margin-top: 14px; }

.lab-note {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin-top: 10px;
}
.lab-note.lab-warn { color: var(--text); border-left: 3px solid #d9a03f; padding-left: 12px; }

/* ---------- Part A: the header table ---------- */

.lab-table {
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow-x: auto;
  margin-top: 16px;
}

.lab-table table { border-collapse: collapse; width: 100%; min-width: 560px; }

.lab-table th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 400;
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  padding: 10px 16px 6px;
  border-bottom: 1px solid var(--border);
}

.lab-table td {
  padding: 9px 16px;
  color: var(--text-muted);
  vertical-align: top;
  border-top: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
}
.lab-table tbody tr:first-child td { border-top: none; }

.lab-hdr-name { color: var(--text); white-space: nowrap; }
.lab-hdr-value { color: var(--allow); overflow-wrap: anywhere; max-width: 260px; }
.lab-hdr-note { font-family: var(--sans); font-size: 0.85rem; line-height: 1.5; min-width: 240px; }

.lab-table tr.absent .lab-hdr-name { color: var(--text-muted); }
.lab-absent { color: var(--text-muted); font-style: italic; }
.lab-flag { color: var(--text-muted); }

.lab-ray { margin-top: 18px; font-size: 0.95rem; }
.lab-ray strong { font-family: var(--mono); font-size: 0.85rem; }

/* ---------- Part A: the X-Forwarded-For breakdown ---------- */

.lab-chain, .lab-facts {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  margin-top: 16px;
}

.lab-chain-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.lab-chain ol { margin: 0 0 0 20px; font-size: 0.9rem; }
.lab-chain li { margin: 6px 0; }
.lab-chain li.match::marker { color: var(--allow); }
.lab-chain li.claim::marker { color: var(--accent); }
.lab-chain-note { color: var(--text-muted); font-size: 0.85rem; }

.lab-facts dl { display: grid; grid-template-columns: minmax(120px, auto) 1fr; gap: 6px 18px; }
.lab-facts dt { font-family: var(--mono); font-size: 0.78rem; color: var(--text-muted); }
.lab-facts dd { font-family: var(--mono); font-size: 0.82rem; overflow-wrap: anywhere; }

/* ---------- Part B: controls ---------- */

.lab-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 22px;
  padding: 18px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.lab-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.lab-buttons button { font-size: 0.82rem; padding: 8px 14px; }

.lab-switch {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
  line-height: 1.4;
}
.lab-switch input { margin-top: 3px; accent-color: var(--accent); width: 16px; height: 16px; }

/* ---------- Part B: the diagram ---------- */

.lab-diagram {
  width: 100%;
  height: auto;
  margin-top: 22px;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--mono);
}

.lab-diagram .node rect {
  fill: var(--bg-raised);
  stroke: var(--border);
  stroke-width: 1.5;
  transition: stroke 0.25s ease, fill 0.25s ease;
}
.lab-diagram .node text { fill: var(--text); font-size: 14px; }
.lab-diagram .node text.sub { fill: var(--text-muted); font-size: 11px; }

.lab-diagram .wire {
  stroke: var(--text-muted);
  stroke-width: 2;
  opacity: 0.55;
  transition: opacity 0.25s ease, stroke 0.25s ease;
}
.lab-diagram .wire-direct { stroke: var(--accent); stroke-dasharray: 6 5; opacity: 0; }

.lab-diagram .caption { fill: var(--accent); font-size: 12px; opacity: 0; }

/* direct route: the edge drops out of the path, the arc lights up */
.lab-diagram[data-route="direct"] .wire-a,
.lab-diagram[data-route="direct"] .wire-b { opacity: 0.12; }
.lab-diagram[data-route="direct"] .wire-direct { opacity: 1; }
.lab-diagram[data-route="direct"] .bypass-caption { opacity: 1; }
.lab-diagram[data-route="direct"] .node[data-node="edge"] rect { opacity: 0.35; }
.lab-diagram[data-route="direct"] .node[data-node="edge"] text { opacity: 0.4; }

/* whichever node the current step is at */
.lab-diagram[data-active="client"] .node[data-node="client"] rect,
.lab-diagram[data-active="edge"] .node[data-node="edge"] rect,
.lab-diagram[data-active="origin"] .node[data-node="origin"] rect {
  stroke: var(--accent);
  stroke-width: 2.5;
  fill: color-mix(in srgb, var(--accent) 10%, var(--bg-raised));
}

@media (prefers-reduced-motion: reduce) {
  .lab-diagram .node rect, .lab-diagram .wire { transition: none; }
}

/* ---------- Part B: steps and verdict ---------- */

.lab-steps { list-style: none; margin: 22px 0 0; padding: 0; }

.lab-step {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.lab-step.tone-accent { border-left-color: var(--accent); }
.lab-step.tone-good { border-left-color: var(--allow); }
.lab-step.tone-warn { border-left-color: #d9a03f; }
.lab-step.tone-bad { border-left-color: var(--accent); }

.lab-step-actor {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 7px;
  margin-right: 10px;
  vertical-align: 2px;
}

.lab-step-title { font-family: var(--mono); font-size: 0.92rem; color: var(--text); }
.lab-step-detail { font-size: 0.92rem; color: var(--text-muted); margin-top: 8px; }

.lab-wire {
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--allow);
  overflow-x: auto;
  white-space: pre;
}

.lab-verdict {
  border: 1px solid var(--border);
  border-left: 4px solid var(--text-muted);
  border-radius: 8px;
  background: var(--bg-raised);
  padding: 18px 20px;
  margin-top: 18px;
}
.lab-verdict.tone-good { border-left-color: var(--allow); }
.lab-verdict.tone-warn { border-left-color: #d9a03f; }
.lab-verdict.tone-bad { border-left-color: var(--accent); }

.lab-verdict-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.lab-verdict-code { font-family: var(--mono); font-size: 1.05rem; font-weight: 700; }
.lab-verdict.tone-good .lab-verdict-code { color: var(--allow); }
.lab-verdict.tone-warn .lab-verdict-code { color: #d9a03f; }
.lab-verdict.tone-bad .lab-verdict-code { color: var(--accent); }
.lab-verdict-title { font-family: var(--mono); font-size: 0.92rem; margin-top: 8px; }
.lab-verdict-detail { font-size: 0.93rem; color: var(--text-muted); margin-top: 8px; }

/* ---------- glossary ---------- */

.lab-glossary { margin-top: 18px; }
.lab-glossary dt {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--text);
  margin-top: 16px;
}
.lab-glossary dd { margin: 5px 0 0; font-size: 0.93rem; color: var(--text-muted); }

/* The note column is the teaching, so it stays on small screens — the
   table scrolls sideways instead, same as the rule-table motif does. */
@media (max-width: 600px) {
  .lab-table { font-size: 0.75rem; }
  .lab-hdr-note { font-size: 0.8rem; min-width: 220px; }
  .lab-facts dl { grid-template-columns: 1fr; gap: 2px; }
  .lab-facts dd { margin-bottom: 8px; }
}