/* PC Builder — scoped under #pcb so it never fights the Journal theme */
#pcb {
  --pcb-ink: #12151c;
  --pcb-muted: #5b6472;
  --pcb-surface: #ffffff;
  --pcb-panel: #f4f6f9;
  --pcb-line: #e2e6ec;
  --pcb-accent: #1f6feb;
  --pcb-accent-ink: #ffffff;
  --pcb-ok: #17864b;
  --pcb-ok-bg: #e8f6ee;
  --pcb-warn: #8a6100;
  --pcb-warn-bg: #fdf3dd;
  --pcb-bad: #c0362c;
  --pcb-bad-bg: #fbe9e7;
  --pcb-radius: 10px;
  color: var(--pcb-ink);
  margin-bottom: 40px;
}

#pcb *, #pcb *::before, #pcb *::after { box-sizing: border-box; }

.pcb-head { margin: 8px 0 22px; }
.pcb-title {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.pcb-intro {
  max-width: 62ch;
  color: var(--pcb-muted);
  line-height: 1.55;
  margin: 0;
}

.pcb-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}
@media (max-width: 860px) {
  .pcb-layout { grid-template-columns: 1fr; }
}

/* Steps ------------------------------------------------------------ */
.pcb-step {
  background: var(--pcb-surface);
  border: 1px solid var(--pcb-line);
  border-radius: var(--pcb-radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.pcb-step-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
}
.pcb-step-title { display: flex; align-items: center; gap: 12px; min-width: 0; }
.pcb-step-index {
  flex: none;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  background: var(--pcb-ink);
  color: #fff;
  border-radius: 7px;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.pcb-step-name { font-weight: 600; font-size: 15px; }
.pcb-step-tag {
  font-size: 11px;
  color: var(--pcb-muted);
  border: 1px solid var(--pcb-line);
  padding: 1px 7px;
  border-radius: 20px;
}

/* Selected slot */
.pcb-slot { border-top: 1px dashed var(--pcb-line); padding: 12px 14px; }
.pcb-slot-empty { color: var(--pcb-muted); font-size: 13px; }
.pcb-slot.filled { background: var(--pcb-panel); }
.pcb-picked { display: flex; align-items: center; gap: 12px; }
.pcb-picked img {
  width: 48px; height: 48px; object-fit: contain;
  background: #fff; border: 1px solid var(--pcb-line); border-radius: 8px; flex: none;
}
.pcb-picked-info { min-width: 0; flex: 1; }
.pcb-picked-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pcb-picked-price { font-size: 13px; color: var(--pcb-accent); font-weight: 600; }
.pcb-picked-actions { display: flex; gap: 6px; flex: none; }

/* Picker */
.pcb-picker { border-top: 1px solid var(--pcb-line); padding: 12px 14px; background: var(--pcb-panel); }
.pcb-picker-search { margin-bottom: 10px; }
.pcb-search {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--pcb-line);
  border-radius: 8px;
  font-size: 14px;
  background: #fff;
}
.pcb-search:focus { outline: 2px solid var(--pcb-accent); outline-offset: 1px; }
.pcb-picker-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}
.pcb-card {
  text-align: left;
  background: #fff;
  border: 1px solid var(--pcb-line);
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color .12s ease;
}
.pcb-card:hover { border-color: var(--pcb-accent); }
.pcb-card img { width: 100%; height: 84px; object-fit: contain; }
.pcb-card-name { font-size: 12.5px; line-height: 1.35; height: 3.4em; overflow: hidden; }
.pcb-card-foot { display: flex; align-items: center; justify-content: space-between; }
.pcb-card-price { font-weight: 700; font-size: 13px; }
.pcb-stock { font-size: 10.5px; padding: 1px 6px; border-radius: 4px; }
.pcb-stock.in { color: var(--pcb-ok); background: var(--pcb-ok-bg); }
.pcb-stock.out { color: var(--pcb-bad); background: var(--pcb-bad-bg); }
.pcb-picker-pager { display: flex; justify-content: center; gap: 8px; margin-top: 12px; }
.pcb-empty-msg { color: var(--pcb-muted); font-size: 13px; padding: 8px 2px; }

/* Summary --------------------------------------------------------- */
.pcb-summary { position: sticky; top: 16px; }
.pcb-summary-card {
  background: var(--pcb-surface);
  border: 1px solid var(--pcb-line);
  border-radius: var(--pcb-radius);
  padding: 16px;
}
.pcb-summary-title { font-size: 16px; font-weight: 700; margin: 0 0 12px; }
.pcb-summary-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.pcb-sum-row { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; }
.pcb-sum-role { color: var(--pcb-muted); }
.pcb-sum-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pcb-sum-price { font-weight: 600; flex: none; }
.pcb-total-row {
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px solid var(--pcb-line);
  padding-top: 12px; margin-bottom: 14px;
  font-weight: 700;
}
.pcb-total { font-size: 20px; color: var(--pcb-accent); font-variant-numeric: tabular-nums; }

/* Compatibility — the focal element */
.pcb-compat { border: 1px solid var(--pcb-line); border-radius: 8px; padding: 12px; margin-bottom: 14px; }
.pcb-compat-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.pcb-compat-label { font-weight: 600; font-size: 13px; }
.pcb-compat-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--pcb-line); flex: none; }
.pcb-compat-dot[data-state="ok"] { background: var(--pcb-ok); }
.pcb-compat-dot[data-state="unverified"] { background: var(--pcb-warn); }
.pcb-compat-dot[data-state="conflict"] { background: var(--pcb-bad); }
.pcb-compat-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.pcb-compat-list li {
  font-size: 12px; line-height: 1.4;
  padding: 6px 8px; border-radius: 6px;
  border-left: 3px solid var(--pcb-line);
  background: var(--pcb-panel);
}
.pcb-compat-empty { color: var(--pcb-muted); }
.pcb-c-ok { border-left-color: var(--pcb-ok) !important; background: var(--pcb-ok-bg) !important; }
.pcb-c-unverified { border-left-color: var(--pcb-warn) !important; background: var(--pcb-warn-bg) !important; }
.pcb-c-conflict { border-left-color: var(--pcb-bad) !important; background: var(--pcb-bad-bg) !important; }

/* Buttons */
.pcb-btn {
  font: inherit; font-size: 13px; font-weight: 600;
  border-radius: 8px; padding: 8px 14px; cursor: pointer;
  border: 1px solid transparent; transition: background .12s ease, border-color .12s ease;
}
.pcb-btn-primary { width: 100%; background: var(--pcb-accent); color: var(--pcb-accent-ink); font-size: 14px; padding: 11px; }
.pcb-btn-primary:hover:not(:disabled) { background: #1a5fce; }
.pcb-btn-primary:disabled { opacity: .5; cursor: not-allowed; }
.pcb-btn-ghost { background: transparent; border-color: var(--pcb-line); color: var(--pcb-ink); }
.pcb-btn-ghost:hover { border-color: var(--pcb-accent); color: var(--pcb-accent); }
.pcb-btn-sm { font-size: 12px; padding: 5px 10px; }
.pcb-add-msg { font-size: 12.5px; margin-top: 8px; text-align: center; min-height: 1em; }
.pcb-add-msg.ok { color: var(--pcb-ok); }
.pcb-add-msg.err { color: var(--pcb-bad); }
.pcb-note { color: var(--pcb-muted); background: var(--pcb-panel); border: 1px solid var(--pcb-line); border-radius: var(--pcb-radius); padding: 16px; }

@media (prefers-reduced-motion: reduce) {
  #pcb * { transition: none !important; }
}