.data-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.65rem;
}

.data-tabs button {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

.data-tabs button.is-active {
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 650;
}

.io-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 720px) {
  .io-grid { grid-template-columns: 1fr; }
}

.io-pane h3 {
  margin: 0 0 0.4rem;
  font-size: 0.9rem;
}

.io-box {
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.45;
  margin: 0;
  padding: 0.65rem 0.75rem;
  background: var(--surface2);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 9rem;
  max-height: 14rem;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.pipe-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: end;
  margin-bottom: 0.65rem;
}

.pipe-row label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  flex: 1;
  min-width: 14rem;
}

.pipe-row input {
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.stages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.5rem 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
}

.stages span {
  padding: 0.25rem 0.45rem;
  border-radius: 6px;
  background: var(--surface2);
  border: 1px solid var(--line);
}

.stages .arrow { border: none; background: none; color: var(--muted); }

.su-term {
  font-family: var(--mono);
  font-size: 0.84rem;
  background: #1a222c;
  color: #e8eef4;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  min-height: 9rem;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.su-scroll {
  flex: 1;
  overflow: auto;
  padding: 0.7rem 0.9rem;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.45;
}

.su-scroll .out { color: #b8c4d0; }
.su-scroll .err { color: #f5a8a8; }
.su-scroll .muted { color: #7a8a9a; }

.su-prompt-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.9rem;
  border-top: 1px solid #2a3542;
  background: #141b23;
}

.su-prompt { color: #7dcea0; }
.su-line {
  flex: 1;
  background: transparent;
  border: none;
  color: #e8eef4;
  font: inherit;
  outline: none;
}

.quick-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.65rem;
}

.quick-row button {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.28rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

.quick-row button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cheat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.cheat-table th,
.cheat-table td {
  text-align: left;
  padding: 0.4rem 0.45rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.hint-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.hint-list li { margin: 0.35rem 0; }

.meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0.35rem 0 0;
  font-family: var(--mono);
}