/* ============================================================
   shared/components.css — cards, callouts, diagrams, tabs, code
   Accent-aware via --accent / --accent-rgb (see theme.css)
   ============================================================ */

/* ---------- cards ---------- */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin: 20px 0;
}
.card.highlight { border-color: rgba(var(--accent-rgb), 0.4); background: rgba(var(--accent-rgb), 0.05); }
.card.blue   { border-color: rgba(88,166,255,0.4);  background: rgba(88,166,255,0.05); }
.card.green  { border-color: rgba(63,185,80,0.4);   background: rgba(63,185,80,0.05); }
.card.purple { border-color: rgba(188,140,255,0.4); background: rgba(188,140,255,0.05); }
.card.orange { border-color: rgba(240,136,62,0.4);  background: rgba(240,136,62,0.05); }
.card.red    { border-color: rgba(255,123,114,0.4); background: rgba(255,123,114,0.05); }

/* ---------- insight callout ---------- */
.insight {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 16px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.insight .icon { font-size: 1.2em; flex-shrink: 0; margin-top: 2px; }
.insight .body { font-size: 0.93em; color: var(--text); }
.insight .body strong { color: var(--accent); }

/* ---------- mental model callout ---------- */
.mental-model {
  background: var(--bg3);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  margin: 16px 0;
  border-radius: 0 8px 8px 0;
}
.mental-model .model-name {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.9em;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.mental-model .model-limit { font-size: 0.88em; color: var(--orange); margin-top: 8px; }
.mental-model .model-limit::before { content: "⚠ Limit: "; font-weight: 600; }

/* ---------- diagram container ---------- */
.diagram-container {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin: 20px 0;
  overflow-x: auto;
}
.diagram-container h4 {
  color: var(--text2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
  font-weight: 600;
}

/* ---------- column grids ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }
.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin: 20px 0; }
@media (max-width: 640px) {
  .two-col, .three-col { grid-template-columns: 1fr; }
}

/* ---------- tabs ---------- */
.tabs { margin: 20px 0; }
.tab-buttons { display: flex; gap: 2px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text2);
  cursor: pointer;
  padding: 8px 16px;
  font-size: 13px;
  margin-bottom: -1px;
  transition: all 0.15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-content { display: none; padding: 20px 0; }
.tab-content.active { display: block; }

/* ---------- numbered steps ---------- */
.step-list { counter-reset: step; margin: 16px 0; }
.step { counter-increment: step; display: flex; gap: 16px; margin-bottom: 16px; }
.step::before {
  content: counter(step);
  background: var(--accent);
  color: var(--bg);
  min-width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}
.step-body strong { color: var(--accent); }

/* ---------- code block ---------- */
.code-block {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 16px 0;
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: 13px;
  overflow-x: auto;
  white-space: pre;
}
.code-block .kw  { color: var(--purple); }
.code-block .str { color: var(--green); }
.code-block .cm  { color: var(--text2); }
.code-block .fn  { color: var(--blue); }
.code-block .val { color: var(--orange); }

/* ---------- do / don't ---------- */
.do-dont { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 16px 0; }
.do {
  background: rgba(63,185,80,0.06);
  border: 1px solid rgba(63,185,80,0.3);
  border-radius: 8px;
  padding: 14px;
}
.dont {
  background: rgba(255,123,114,0.06);
  border: 1px solid rgba(255,123,114,0.3);
  border-radius: 8px;
  padding: 14px;
}
.do .label, .dont .label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.do .label { color: var(--green); }
.dont .label { color: var(--red); }
@media (max-width: 640px) { .do-dont { grid-template-columns: 1fr; } }

/* ---------- prompt box ---------- */
.prompt-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 16px 0;
  overflow: hidden;
}
.prompt-box .pb-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 8px 14px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.prompt-box .pb-content {
  padding: 14px 16px;
  font-family: 'Cascadia Code', monospace;
  font-size: 13px;
  line-height: 1.6;
}
.pb-system .pb-label    { color: var(--orange); background: rgba(240,136,62,0.08); }
.pb-user .pb-label      { color: var(--blue);   background: rgba(88,166,255,0.08); }
.pb-assistant .pb-label { color: var(--green);  background: rgba(63,185,80,0.08); }
.pb-highlight { background: rgba(188,140,255,0.15); border-radius: 3px; padding: 0 3px; color: var(--purple); }