/* === SQL/Python/Bash Playground === */

.playground-container {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  margin: 1.5em 0;
  overflow: hidden;
  background: var(--md-code-bg-color);
}

.playground-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--md-default-fg-color--lightest);
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

.playground-header .playground-lang {
  font-weight: 600;
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md-default-fg-color--light);
}

.playground-header .playground-actions {
  display: flex;
  gap: 6px;
}

.playground-btn {
  padding: 4px 12px;
  border: none;
  border-radius: 4px;
  font-size: 0.8em;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.playground-btn:hover {
  opacity: 0.85;
}

.playground-btn-run {
  background: #4caf50;
  color: #fff;
}

.playground-btn-explain {
  background: #2196f3;
  color: #fff;
}

.playground-btn-reset {
  background: var(--md-default-fg-color--lightest);
  color: var(--md-default-fg-color--light);
}

.playground-editor {
  min-height: 120px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  line-height: 1.5;
}

/* CodeMirror overrides for theme */
.playground-editor .cm-editor {
  background: var(--md-code-bg-color);
}

.playground-editor .cm-editor .cm-gutters {
  background: var(--md-code-bg-color);
  border-right: 1px solid var(--md-default-fg-color--lightest);
}

.playground-editor .cm-editor .cm-content {
  font-family: 'JetBrains Mono', monospace;
  padding: 8px 0;
}

.playground-editor .cm-editor .cm-line {
  padding: 0 8px;
}

/* Fallback textarea when CodeMirror not loaded */
.playground-editor textarea {
  width: 100%;
  min-height: 120px;
  padding: 12px;
  border: none;
  background: var(--md-code-bg-color);
  color: var(--md-default-fg-color);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  box-sizing: border-box;
}

/* Result area */
.playground-result {
  border-top: 1px solid var(--md-default-fg-color--lightest);
  max-height: 400px;
  overflow: auto;
}

.playground-result-header {
  padding: 6px 12px;
  font-size: 0.75em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md-default-fg-color--light);
  background: var(--md-default-fg-color--lightest);
}

.playground-result table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85em;
  font-family: 'JetBrains Mono', monospace;
}

.playground-result table th {
  background: var(--md-default-fg-color--lightest);
  padding: 6px 10px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--md-primary-fg-color);
  white-space: nowrap;
}

.playground-result table td {
  padding: 4px 10px;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  white-space: nowrap;
}

.playground-result table tr:hover td {
  background: rgba(0, 0, 0, 0.03);
}

[data-md-color-scheme="slate"] .playground-result table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.playground-result-text {
  padding: 10px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  white-space: pre-wrap;
  color: var(--md-default-fg-color);
}

.playground-error {
  color: #f44336;
}

.playground-success {
  color: #4caf50;
}

.playground-info {
  padding: 10px 12px;
  font-size: 0.85em;
  color: var(--md-default-fg-color--light);
  font-style: italic;
}

.playground-loading {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  font-size: 0.85em;
  color: var(--md-default-fg-color--light);
}

.playground-loading .spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--md-default-fg-color--lightest);
  border-top-color: var(--md-primary-fg-color);
  border-radius: 50%;
  animation: pg-spin 0.6s linear infinite;
}

@keyframes pg-spin {
  to { transform: rotate(360deg); }
}

/* Row count badge */
.playground-row-count {
  padding: 4px 12px;
  font-size: 0.75em;
  color: var(--md-default-fg-color--light);
  text-align: right;
  border-top: 1px solid var(--md-default-fg-color--lightest);
}

/* Schema info toggle */
.playground-schema-toggle {
  font-size: 0.8em;
  color: var(--md-accent-fg-color);
  cursor: pointer;
  text-decoration: underline;
  padding: 0 12px 8px;
}

.playground-schema-info {
  display: none;
  padding: 8px 12px;
  font-size: 0.8em;
  font-family: 'JetBrains Mono', monospace;
  background: var(--md-code-bg-color);
  border-top: 1px solid var(--md-default-fg-color--lightest);
  max-height: 200px;
  overflow: auto;
}

.playground-schema-info.visible {
  display: block;
}

/* Timing */
.playground-timing {
  font-size: 0.75em;
  color: var(--md-default-fg-color--light);
  padding: 2px 12px 6px;
}