/* C! Playground — Dark Theme */

:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-panel: #141425;
  --border: #2a2a4a;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0b0;
  --text-muted: #666680;
  --accent-blue: #4fc3f7;
  --accent-green: #66bb6a;
  --accent-purple: #ab47bc;
  --accent-orange: #ffa726;
  --error-red: #ef5350;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
}

/* Header */
.pg-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  height: 48px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.pg-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.pg-logo {
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
}

.pg-logo .logo-c { color: var(--accent-blue); }
.pg-logo .logo-bang { color: var(--accent-green); }

.pg-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.pg-back-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.pg-back-link:hover {
  color: var(--accent-blue);
}

.pg-header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Examples dropdown */
.pg-examples-select {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  cursor: pointer;
  outline: none;
}

.pg-examples-select:focus {
  border-color: var(--accent-blue);
}

/* Run button */
.pg-run-btn {
  background: var(--accent-green);
  color: #111;
  border: none;
  border-radius: 6px;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.2s;
}

.pg-run-btn:hover {
  background: #81c784;
}

.pg-run-btn:active {
  background: #4caf50;
}

.pg-run-btn:disabled {
  background: var(--text-muted);
  cursor: wait;
}

.pg-run-btn .play-icon {
  font-size: 0.7rem;
}

/* Main layout */
.pg-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Panels */
.pg-editor-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  min-width: 0;
}

.pg-output-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.pg-panel-header {
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
  height: 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

/* Editor textarea */
.pg-editor {
  flex: 1;
  width: 100%;
  background: var(--bg-panel);
  color: var(--text-primary);
  border: none;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  resize: none;
  outline: none;
  tab-size: 4;
}

.pg-editor::placeholder {
  color: var(--text-muted);
}

/* Output areas */
.pg-js-output-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.pg-console-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
  min-height: 0;
}

.pg-output {
  flex: 1;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg-panel);
  color: var(--text-secondary);
}

.pg-output.error {
  color: var(--error-red);
}

.pg-output.success {
  color: var(--accent-green);
}

/* Keyboard shortcut hint */
.pg-shortcut-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: none;
}

@media (min-width: 768px) {
  .pg-shortcut-hint {
    display: inline;
  }
}

/* Responsive: stack on mobile */
@media (max-width: 768px) {
  .pg-main {
    flex-direction: column;
  }

  .pg-editor-panel {
    border-right: none;
    border-bottom: 1px solid var(--border);
    flex: none;
    height: 40%;
  }

  .pg-output-panel {
    flex: 1;
  }

  .pg-header {
    flex-wrap: wrap;
    height: auto;
    padding: 0.5rem 1rem;
    gap: 0.5rem;
  }

  .pg-title {
    display: none;
  }
}

/* Canvas output panel */
.pg-canvas-wrapper {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
  min-height: 0;
}

.pg-canvas-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  background: var(--bg-panel);
  overflow: auto;
}

.pg-canvas-container img {
  max-width: 100%;
  image-rendering: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
}

/* Scrollbar styling */
.pg-output::-webkit-scrollbar,
.pg-editor::-webkit-scrollbar {
  width: 8px;
}

.pg-output::-webkit-scrollbar-track,
.pg-editor::-webkit-scrollbar-track {
  background: transparent;
}

.pg-output::-webkit-scrollbar-thumb,
.pg-editor::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.pg-output::-webkit-scrollbar-thumb:hover,
.pg-editor::-webkit-scrollbar-thumb:hover {
  background: #3a3a5a;
}