.tba-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  align-items: end;
  margin-bottom: 0.85rem;
}

.tba-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.tba-field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.tba-field select {
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  min-width: 12rem;
}

.tba-layout {
  display: grid;
  gap: 1rem;
}
@media (min-width: 900px) {
  .tba-layout {
    grid-template-columns: 1.05fr 1fr;
    align-items: start;
  }
}

.anatomy {
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 6%, var(--surface2)), var(--surface2));
  padding: 0.85rem;
}

.tb-shell {
  border: 2px dashed color-mix(in srgb, var(--accent) 45%, var(--line));
  border-radius: 12px;
  padding: 0.65rem 0.75rem 0.85rem;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
}

.tb-shell-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.55rem;
}

.anatomy-grid {
  display: grid;
  gap: 0.55rem;
}

.part {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 0.55rem 0.7rem;
  cursor: pointer;
  color: var(--ink);
  font: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.part:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
}
.part.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 28%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
}
.part.risk {
  border-color: color-mix(in srgb, var(--err) 55%, var(--line));
}
.part.risk.active {
  background: color-mix(in srgb, var(--err) 10%, var(--surface));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--err) 22%, transparent);
}

.part-kicker {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.15rem;
}
.part-title {
  display: block;
  font-weight: 650;
  font-size: 0.95rem;
}
.part-meta {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.dut-box {
  border-style: solid;
  border-width: 2px;
  border-color: color-mix(in srgb, var(--signal) 55%, var(--line));
  background: color-mix(in srgb, var(--signal) 8%, var(--surface));
}
.dut-box .part-kicker { color: var(--signal); }

.signal-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.55rem;
}
.signal-chips button {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.28rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
  color: var(--ink);
}
.signal-chips button.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  font-weight: 700;
}
.signal-chips button.role-reg { border-left: 3px solid var(--accent); }
.signal-chips button.role-wire { border-left: 3px solid var(--signal); }
.signal-chips button.role-logic { border-left: 3px solid #3a6ea5; }
.signal-chips button.role-bad { border-left: 3px solid var(--err); }

.role-card {
  margin-top: 0.75rem;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.role-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.92rem;
}
.role-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}
.role-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  margin-bottom: 0.35rem;
  background: var(--accent-soft);
  color: var(--accent-hover);
}
.role-badge.wire { background: var(--warn-bg); color: var(--signal); }
.role-badge.logic { background: #e4eef8; color: #2a5580; }
.role-badge.bad { background: var(--err-bg); color: var(--err); }

.code-block {
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.45;
  margin: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface2);
  overflow: auto;
  white-space: pre;
  max-height: 22rem;
}

.code-block .hl-part {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 3px;
}
.code-block .hl-risk {
  background: color-mix(in srgb, var(--err) 22%, transparent);
  border-radius: 3px;
}

.sim-panel {
  margin-top: 0.85rem;
}
.sim-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}
.sim-head h3 {
  margin: 0;
  font-size: 0.9rem;
}
.sim-time {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 650;
  color: var(--accent);
}

.timeline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.55rem;
}
.timeline button {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
  color: var(--ink);
}
.timeline button.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  font-weight: 700;
}
.timeline button.done {
  opacity: 0.55;
}

.console {
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.5;
  margin: 0;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: var(--term-bg);
  color: var(--term-fg);
  min-height: 5.5rem;
  white-space: pre-wrap;
}
.console .muted { color: var(--term-muted); }
.console .ok { color: var(--term-prompt); }
.console .warn { color: #e0b34a; }
.console .err { color: #e08a8a; }

.verdict {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  margin-bottom: 0.65rem;
}
.verdict.ok {
  background: var(--ok-bg);
  color: var(--ok);
}
.verdict.warn {
  background: var(--warn-bg);
  color: var(--warn);
}
.verdict.risk {
  background: var(--err-bg);
  color: var(--err);
}

.tba-meta {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.rule-box {
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  margin-bottom: 0.75rem;
  color: var(--muted);
}