.sql-playground {
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  overflow: hidden;
  margin: var(--spacing-lg) 0;
  background: var(--color-bg);
  &:first-child {
    margin-top: 0;
  }
}

.sql-playground-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-header-bg);
}

.sql-playground-badge {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-border);
  padding: 0.15rem 0.5rem;
  border-radius: 0.25rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.sql-playground-actions {
  display: flex;
  gap: 0.5rem;
}

.sql-playground-run,
.sql-playground-reset {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.sql-playground-run {
  background: var(--color-red);
  color: #fff;
  border-color: var(--color-red);
}

.sql-playground-run:hover {
  opacity: 0.9;
}

.sql-playground-run:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.sql-playground-reset {
  background: var(--color-bg);
  color: var(--color-text-secondary);
}

.sql-playground-reset:hover {
  color: var(--color-text);
  border-color: var(--color-text-secondary);
}

.sql-playground-editor {
  position: relative;
}

.sql-playground-textarea {
  display: block;
  width: 100%;
  min-height: 120px;
  padding: 0.75rem 1rem;
  border: none;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  tab-size: 2;
  white-space: pre;
  overflow-x: auto;
}

.sql-playground-textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.sql-playground-status {
  padding: 0 1rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  min-height: 0;
}

.sql-playground-status:empty {
  display: none;
}

.sql-playground-status.is-loading {
  padding: 0.5rem 1rem;
  color: var(--color-text-secondary);
  background: var(--color-header-bg);
  border-top: 1px solid var(--color-border);
}

.sql-playground-results {
  border-top: 1px solid var(--color-border);
}

.sql-playground-results:empty {
  border-top: none;
}

.sql-playground-results table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.sql-playground-results thead {
  background: var(--color-header-bg);
}

.sql-playground-results th {
  padding: 0.5rem 0.75rem;
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.sql-playground-results td {
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sql-playground-results tbody tr:hover {
  background: var(--color-header-bg);
}

.sql-playground-results .sql-empty {
  padding: 1.5rem;
  text-align: center;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-style: italic;
}

.sql-playground-results .sql-info {
  padding: 0.75rem 1rem;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: 0.8125rem;
}

.sql-playground-error {
  padding: 0.75rem 1rem;
  background: #fef2f2;
  color: #991b1b;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  border-top: 1px solid #fecaca;
  word-break: break-word;
}

html.dark .sql-playground-error {
  background: #450a0a;
  color: #fca5a5;
  border-color: #7f1d1d;
}

@media (max-width: 768px) {
  .sql-playground-textarea {
    font-size: 0.8125rem;
    min-height: 100px;
  }

  .sql-playground-header {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }

  .sql-playground-results td {
    max-width: 200px;
  }
}