.sbc-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

@media (max-width: 860px) {
  .sbc-shell {
    grid-template-columns: 1fr;
  }
}

.sbc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 10px 0 12px;
}

.sbc-field .label {
  margin: 0;
}

.sbc-textarea {
  min-height: 160px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New',
    monospace;
}

.sbc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
}

.sbc-actions .button {
  flex: 1 1 220px;
}

@media (max-width: 520px) {
  .sbc-actions .button {
    flex: 1 1 100%;
  }
}

.sbc-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sbc-pill {
  border: 1px solid var(--border, #d0d7de);
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--surface, #fff);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.sbc-pill strong {
  font-weight: 700;
}

.sbc-banner {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border, #d0d7de);
  background: var(--surface, #fff);
}

.sbc-banner--error {
  border-color: rgba(217, 48, 37, 0.6);
  background: rgba(217, 48, 37, 0.08);
}

.sbc-banner--warn {
  border-color: rgba(180, 120, 0, 0.55);
  background: rgba(180, 120, 0, 0.08);
}

.sbc-chart-wrap {
  border: 1px solid var(--border, #d0d7de);
  border-radius: 12px;
  padding: 10px;
  background: var(--surface, #fff);
}

.sbc-chart {
  width: 100%;
  height: 240px;
  display: block;
}

.sbc-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
  align-items: start;
}

@media (max-width: 860px) {
  .sbc-results {
    grid-template-columns: 1fr;
  }
}

.sbc-heat-canvas {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  max-height: 320px;
  display: block;
  border: 1px solid var(--border, #d0d7de);
  border-radius: 12px;
  background: var(--surface, #fff);
}

.sbc-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New',
    monospace;
}

@media print {
  header,
  nav,
  .site-header,
  .lang-switch,
  .ad-slot,
  #comments {
    display: none !important;
  }
  .container {
    max-width: none !important;
  }
}