/* Playground Page - Modern UX Design */

/* Alpine.js x-cloak - hide elements until Alpine initializes */
[x-cloak] {
  display: none !important;
}

/* ============================================
   Playground Container
   ============================================ */

.playground-container {
  min-height: calc(100vh - 60px);
  background: var(--bg-primary, #0a0f0a);
  display: grid;
  grid-template-rows: auto auto auto 1fr auto auto auto;
  max-width: 100%;
  overflow-x: hidden;
}

/* ============================================
   Toolbar
   ============================================ */

.pg-toolbar {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  padding: 12px 20px;
  background: var(--bg-surface, #151a15);
  border-bottom: 1px solid var(--border-color, #2a352a);
}

.pg-toolbar-left {
  display: grid;
  grid-auto-flow: column;
  gap: 12px;
  justify-content: start;
  align-items: center;
}

.pg-toolbar-right {
  display: grid;
  grid-auto-flow: column;
  gap: 12px;
  justify-content: end;
  align-items: center;
}

/* Language Selector */
.pg-lang-selector {
  display: grid;
  grid-auto-flow: column;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-surface-2, #1a231a);
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 6px;
}

.pg-lang-icon {
  font-size: 16px;
  opacity: 0.8;
}

.pg-lang-select {
  background: transparent;
  border: none;
  color: var(--text-primary, #e0dcc8);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  cursor: pointer;
  padding-right: 12px;
}

.pg-lang-select:focus {
  outline: none;
}

/* Run Button */
.pg-run-btn {
  display: grid;
  grid-auto-flow: column;
  gap: 8px;
  align-items: center;
  padding: 10px 24px;
  background: var(--accent-gold, #c9b458);
  border: none;
  border-radius: 6px;
  color: #000;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pg-run-btn:hover:not(:disabled) {
  background: var(--accent-gold-strong, #d9c468);
  box-shadow: 0 0 20px rgba(201, 180, 88, 0.4);
}

.pg-run-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pg-play-icon {
  font-size: 12px;
}

.pg-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: pg-spin 0.8s linear infinite;
}

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

/* Tool Buttons */
.pg-tool-btn {
  display: grid;
  grid-auto-flow: column;
  gap: 8px;
  align-items: center;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 6px;
  color: var(--text-muted, #8a9a8a);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pg-tool-btn:hover {
  border-color: var(--accent-gold, #c9b458);
  color: var(--text-primary, #e0dcc8);
}

.pg-tool-btn.active {
  background: var(--bg-surface-2, #1a231a);
  border-color: var(--accent-gold, #c9b458);
  color: var(--accent-gold, #c9b458);
}

/* ============================================
   Collapsible Panels
   ============================================ */

/* AI Panel */
.pg-ai-panel {
  padding: 16px 20px;
  background: var(--bg-surface, #151a15);
  border-bottom: 1px solid var(--border-color, #2a352a);
  animation: pg-slide-down 0.2s ease-out;
}

@keyframes pg-slide-down {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pg-ai-content {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  margin-bottom: 12px;
}

.pg-ai-input {
  padding: 12px 16px;
  background: var(--bg-primary, #0a0f0a);
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 6px;
  color: var(--text-primary, #e0dcc8);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 14px;
  resize: none;
}

.pg-ai-input:focus {
  outline: none;
  border-color: var(--accent-gold, #c9b458);
}

.pg-ai-input::placeholder {
  color: var(--text-muted, #8a9a8a);
}

.pg-generate-btn {
  padding: 12px 20px;
  background: var(--accent-gold, #c9b458);
  border: none;
  border-radius: 6px;
  color: #000;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.pg-generate-btn:hover:not(:disabled) {
  background: var(--accent-gold-strong, #d9c468);
}

.pg-generate-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pg-iterate-btn {
  padding: 12px 16px;
  background: transparent;
  border: 1px solid var(--accent-gold, #c9b458);
  border-radius: 6px;
  color: var(--accent-gold, #c9b458);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.pg-iterate-btn:hover:not(:disabled) {
  background: rgba(201, 180, 88, 0.1);
}

.pg-iterate-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pg-ai-hints {
  display: grid;
  grid-auto-flow: column;
  gap: 8px;
  justify-content: start;
}

.pg-ai-hint {
  padding: 4px 12px;
  background: var(--bg-surface-2, #1a231a);
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 20px;
  color: var(--text-muted, #8a9a8a);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pg-ai-hint:hover {
  border-color: var(--accent-gold, #c9b458);
  color: var(--text-primary, #e0dcc8);
}

/* Settings Panel */
.pg-settings-panel {
  padding: 16px 20px;
  background: var(--bg-surface, #151a15);
  border-bottom: 1px solid var(--border-color, #2a352a);
  animation: pg-slide-down 0.2s ease-out;
}

.pg-settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.pg-settings-group {
  display: grid;
  gap: 8px;
}

.pg-settings-label {
  color: var(--text-primary, #e0dcc8);
  font-size: 13px;
  font-weight: 500;
}

.pg-env-input {
  padding: 10px 12px;
  background: var(--bg-primary, #0a0f0a);
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 6px;
  color: var(--text-primary, #e0dcc8);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  resize: none;
}

.pg-env-input:focus {
  outline: none;
  border-color: var(--accent-gold, #c9b458);
}

.pg-checkbox-group {
  display: grid;
  gap: 8px;
}

.pg-checkbox {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: center;
  color: var(--text-muted, #8a9a8a);
  font-size: 13px;
  cursor: pointer;
}

.pg-checkbox input {
  accent-color: var(--accent-gold, #c9b458);
  width: 14px;
  height: 14px;
}

.pg-checkbox-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pg-checkbox-disabled input {
  cursor: not-allowed;
}

/* File Upload Section */
.pg-file-upload {
  display: grid;
  gap: 8px;
}

.pg-file-input {
  padding: 10px;
  background: var(--bg-primary, #0a0f0a);
  border: 1px dashed var(--border-color, #2a352a);
  border-radius: 6px;
  color: var(--text-muted, #8a9a8a);
  font-size: 12px;
  cursor: pointer;
}

.pg-file-input:hover {
  border-color: var(--accent-gold, #c9b458);
}

.pg-file-list {
  display: grid;
  gap: 4px;
}

.pg-file-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
  align-items: center;
  padding: 6px 10px;
  background: var(--bg-surface-2, #1a231a);
  border-radius: 4px;
  font-size: 12px;
}

.pg-file-name {
  color: var(--text-primary, #e0dcc8);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pg-file-size {
  color: var(--text-muted, #8a9a8a);
}

.pg-file-remove {
  background: none;
  border: none;
  color: var(--text-muted, #8a9a8a);
  cursor: pointer;
  padding: 2px 6px;
  font-size: 14px;
}

.pg-file-remove:hover {
  color: #e07070;
}

/* ============================================
   Editor Container (Side by Side)
   ============================================ */

.pg-editor-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 0;
  max-width: 100%;
  overflow: hidden;
}

.pg-editor-pane,
.pg-output-pane {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
}

.pg-editor-pane {
  border-right: 1px solid var(--border-color, #2a352a);
}

.pg-pane-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 10px 16px;
  background: var(--bg-surface, #151a15);
  border-bottom: 1px solid var(--border-color, #2a352a);
  color: var(--text-muted, #8a9a8a);
  font-size: 12px;
  font-weight: 500;
}

.pg-pane-actions {
  display: grid;
  grid-auto-flow: column;
  gap: 8px;
}

.pg-clear-btn {
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 4px;
  color: var(--text-muted, #8a9a8a);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pg-clear-btn:hover {
  border-color: #e07070;
  color: #e07070;
}

.pg-success-badge {
  color: #90c878;
  font-size: 11px;
}

.pg-editor {
  width: 100%;
  height: 100%;
  min-height: 400px;
  padding: 16px;
  background: var(--bg-primary, #0a0f0a);
  border: none;
  color: var(--text-primary, #e0dcc8);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  line-height: 1.6;
  resize: none;
  box-sizing: border-box;
  max-width: 100%;
}

.pg-editor:focus {
  outline: none;
}

.pg-editor::placeholder {
  color: var(--text-muted, #8a9a8a);
}

/* Combined output container: scrolls as one unit */
.pg-output-combined {
  overflow: auto;
  background: var(--bg-primary, #0a0f0a);
}

.pg-output {
  padding: 16px;
  background: var(--bg-primary, #0a0f0a);
}

.pg-output--with-artifact {
  border-top: 1px solid var(--border-color, #2a352a);
  max-height: 200px;
  overflow: auto;
}

.pg-output--with-artifact.pg-output--collapsed pre {
  display: none;
}

.pg-output--with-artifact.pg-output--collapsed .pg-output-toggle {
  transform: rotate(-90deg);
}

.pg-output-toggle {
  font-size: 9px;
  transition: transform 0.15s ease;
}

.pg-output pre {
  color: var(--text-primary, #e0dcc8);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  font-family: 'SF Mono', 'Fira Code', monospace;
  max-width: 100%;
  overflow-x: auto;
}

/* Output label layout */
.pg-output-label {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding-bottom: 8px;
}

.pg-output-label-toggle {
  display: grid;
  grid-auto-flow: column;
  justify-content: start;
  gap: 6px;
  align-items: center;
  cursor: pointer;
  color: var(--text-muted, #8a9a8a);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  user-select: none;
}

.pg-output-expand-btn {
  background: transparent;
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 4px;
  color: var(--text-muted, #8a9a8a);
  font-size: 13px;
  padding: 2px 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1;
}

.pg-output-expand-btn:hover {
  border-color: var(--accent-gold, #c9b458);
  color: var(--accent-gold, #c9b458);
}

/* Output Fullscreen Overlay */
.pg-output-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary, #0a0f0a);
  z-index: 2000;
  display: grid;
  grid-template-rows: auto 1fr;
}

.pg-output-overlay-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-surface, #151a15);
  border-bottom: 1px solid var(--border-color, #2a352a);
}

.pg-output-overlay-title {
  color: var(--accent-gold, #c9b458);
  font-size: 13px;
  font-weight: 600;
}

.pg-output-overlay-close {
  background: transparent;
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 4px;
  color: var(--text-muted, #8a9a8a);
  font-size: 16px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.15s ease;
}

.pg-output-overlay-close:hover {
  border-color: #e07070;
  color: #e07070;
}

.pg-output-overlay-body {
  padding: 16px;
  overflow: auto;
}

.pg-output-overlay-body pre {
  color: var(--text-primary, #e0dcc8);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

/* Artifact preview classes (used by auto-load) */
.pg-artifact-preview {
  padding: 16px;
}

.pg-artifact-preview--centered {
  text-align: center;
}

.pg-artifact-preview img {
  max-width: 100%;
  border-radius: 4px;
}

.pg-artifact-preview video,
.pg-artifact-preview audio {
  max-width: 100%;
}

.pg-artifact-preview iframe {
  width: 100%;
  height: 400px;
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 4px;
}

.pg-artifact-preview embed {
  width: 100%;
  height: 500px;
}

.pg-artifact-preview pre {
  background: var(--bg-surface, #151a15);
  padding: 12px;
  border-radius: 4px;
  overflow-x: auto;
  color: var(--text-primary, #e0dcc8);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.pg-artifact-preview table {
  width: 100%;
  border-collapse: collapse;
}

.pg-artifact-preview th,
.pg-artifact-preview td {
  padding: 8px 12px;
  border: 1px solid var(--border-color, #2a352a);
  text-align: left;
  font-size: 12px;
}

.pg-artifact-preview th {
  background: var(--bg-surface, #151a15);
  color: var(--accent-gold, #c9b458);
}

.pg-artifact-table-wrap {
  overflow-x: auto;
}

.pg-artifact-meta {
  margin: 12px 0 0;
  color: var(--text-muted, #8a9a8a);
  font-size: 12px;
}

/* Empty State */
.pg-empty-state {
  display: grid;
  place-items: center;
  height: 100%;
  color: var(--text-muted, #8a9a8a);
  text-align: center;
  padding: 40px;
}

.pg-empty-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--bg-surface, #151a15);
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 50%;
  margin-bottom: 16px;
  font-size: 18px;
  color: var(--accent-gold, #c9b458);
  transition: all 0.15s ease;
}

.pg-empty-icon-clickable {
  cursor: pointer;
}

.pg-empty-icon-clickable:hover {
  background: var(--accent-gold, #c9b458);
  color: #000;
  border-color: var(--accent-gold, #c9b458);
  box-shadow: 0 0 20px rgba(201, 180, 88, 0.4);
}

.pg-empty-state p {
  margin: 0;
  font-size: 13px;
}

.pg-empty-hint {
  color: var(--text-muted, #8a9a8a);
  opacity: 0.6;
  margin-top: 8px !important;
  font-size: 11px !important;
}

/* Running State */
.pg-running-state {
  display: grid;
  place-items: center;
  height: 100%;
  gap: 16px;
  color: var(--accent-gold, #c9b458);
  padding: 40px;
}

.pg-pulse-ring {
  width: 40px;
  height: 40px;
  border: 2px solid var(--accent-gold, #c9b458);
  border-radius: 50%;
  animation: pg-pulse 1.5s ease-out infinite;
}

@keyframes pg-pulse {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

/* ============================================
   Action Bar (Run Button)
   ============================================ */

.pg-action-bar {
  display: grid;
  grid-auto-flow: column;
  gap: 12px;
  justify-content: center;
  align-items: center;
  padding: 16px 20px;
  background: var(--bg-surface, #151a15);
  border-top: 1px solid var(--border-color, #2a352a);
}

/* ============================================
   Canvas (for WASM Graphics)
   ============================================ */

.pg-canvas-container {
  padding: 16px;
  background: var(--bg-primary, #0a0f0a);
  position: relative;
}

.pg-canvas {
  display: block;
  max-width: 100%;
  background: #000;
  border-radius: 4px;
}

.pg-canvas-actions {
  display: grid;
  grid-auto-flow: column;
  gap: 8px;
  justify-content: start;
  margin-top: 12px;
}

.pg-fullscreen-btn,
.pg-newwindow-btn {
  padding: 6px 12px;
  background: var(--bg-surface-2, #1a231a);
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 4px;
  color: var(--text-muted, #8a9a8a);
  font-size: 12px;
  cursor: pointer;
}

.pg-fullscreen-btn:hover,
.pg-newwindow-btn:hover {
  border-color: var(--accent-gold, #c9b458);
  color: var(--text-primary, #e0dcc8);
}

/* HTML Output for Artifacts */
.pg-output-html {
  padding: 16px;
  background: var(--bg-primary, #0a0f0a);
  overflow: auto;
}

.pg-output-html img {
  max-width: 100%;
  border-radius: 4px;
}

.pg-output-html video,
.pg-output-html audio {
  max-width: 100%;
}

.pg-output-html iframe {
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 4px;
  height: 400px;
}

.pg-output-html pre {
  background: var(--bg-surface, #151a15);
  padding: 12px;
  border-radius: 4px;
  overflow-x: auto;
}

.pg-output-html table {
  width: 100%;
  border-collapse: collapse;
}

.pg-output-html th,
.pg-output-html td {
  padding: 8px 12px;
  border: 1px solid var(--border-color, #2a352a);
  text-align: left;
  font-size: 12px;
}

.pg-output-html th {
  background: var(--bg-surface, #151a15);
  color: var(--accent-gold, #c9b458);
}

/* ============================================
   Artifacts Panel
   ============================================ */

.pg-artifacts-panel {
  padding: 12px 16px;
  background: var(--bg-surface, #151a15);
  border-top: 1px solid var(--border-color, #2a352a);
}

.pg-artifacts-grid {
  display: grid;
  gap: 8px;
}

.pg-artifact-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-surface-2, #1a231a);
  border-radius: 6px;
}

.pg-artifact-name {
  color: var(--text-primary, #e0dcc8);
  font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pg-artifact-btn {
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 4px;
  color: var(--text-muted, #8a9a8a);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pg-artifact-btn:hover:not(:disabled) {
  border-color: var(--accent-gold, #c9b458);
  color: var(--text-primary, #e0dcc8);
}

.pg-artifact-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pg-artifact-btn.primary {
  background: var(--accent-gold, #c9b458);
  border-color: var(--accent-gold, #c9b458);
  color: #000;
}

.pg-artifact-btn.primary:hover:not(:disabled) {
  background: var(--accent-gold-strong, #d9c468);
}

/* ============================================
   Status Bar
   ============================================ */

.pg-status-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 8px 20px;
  background: var(--bg-surface, #151a15);
  border-top: 1px solid var(--border-color, #2a352a);
  font-size: 11px;
  color: var(--text-muted, #8a9a8a);
}

.pg-status-left {
  display: grid;
  grid-auto-flow: column;
  gap: 8px;
  justify-content: start;
  align-items: center;
}

.pg-status-center {
  display: grid;
  justify-content: center;
}

.pg-status-right {
  display: grid;
  grid-auto-flow: column;
  gap: 8px;
  justify-content: end;
  align-items: center;
}

.pg-status-dot {
  width: 6px;
  height: 6px;
  background: #90c878;
  border-radius: 50%;
  box-shadow: 0 0 6px #90c878;
}

.pg-status-dot.executing {
  background: var(--accent-gold, #c9b458);
  box-shadow: 0 0 6px var(--accent-gold, #c9b458);
  animation: pg-pulse-dot 1s ease-in-out infinite;
}

@keyframes pg-pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.pg-status-divider {
  opacity: 0.4;
}

/* Share and QR Buttons */
.pg-share-btn,
.pg-qr-btn {
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border-color, #2a352a);
  border-radius: 4px;
  color: var(--text-muted, #8a9a8a);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pg-share-btn:hover,
.pg-qr-btn:hover {
  border-color: var(--accent-gold, #c9b458);
  color: var(--text-primary, #e0dcc8);
}

/* Cooldown Progress */
.pg-cooldown {
  display: grid;
  gap: 4px;
  text-align: center;
}

.pg-cooldown-bar {
  height: 3px;
  background: var(--bg-surface-2, #1a231a);
  border-radius: 2px;
  overflow: hidden;
}

.pg-cooldown-fill {
  height: 100%;
  background: var(--accent-gold, #c9b458);
  transition: width 0.3s ease;
}

.pg-cooldown-text {
  font-size: 10px;
  color: var(--text-muted, #8a9a8a);
}

/* Cancel Button */
.pg-cancel-btn {
  padding: 6px 16px;
  background: #e07070;
  border: none;
  border-radius: 4px;
  color: #000;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pg-cancel-btn:hover {
  background: #f08080;
}

/* ============================================
   QR Modal
   ============================================ */

.pg-qr-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  display: grid;
  place-items: center;
  z-index: 1000;
}

.pg-qr-content {
  position: relative;
  background: var(--bg-surface, #151a15);
  padding: 24px;
  border-radius: 8px;
  text-align: center;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 16px;
  /* Desktop: use maximum vertical space */
  width: calc(100vh - 80px);
  height: calc(100vh - 80px);
  max-width: calc(100vw - 40px);
  max-height: calc(100vh - 40px);
}

.pg-qr-content canvas,
#qr-canvas {
  display: block;
  margin: auto;
  /* Scale to fill container while maintaining aspect ratio */
  width: 100% !important;
  height: 100% !important;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.pg-qr-close {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--bg-surface-2, #1a231a);
  border: 2px solid var(--border-color, #2a352a);
  border-radius: 50%;
  color: var(--text-primary, #e0dcc8);
  font-size: 24px;
  width: 48px;
  height: 48px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all 0.15s ease;
  z-index: 1001;
}

.pg-qr-close:hover {
  background: var(--accent-gold, #c9b458);
  border-color: var(--accent-gold, #c9b458);
  color: #000;
}

.pg-qr-download {
  margin-top: 0;
  padding: 12px 24px;
  background: var(--accent-gold, #c9b458);
  border: none;
  border-radius: 6px;
  color: #000;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.pg-qr-download:hover {
  background: var(--accent-gold-strong, #d9c468);
}

.pg-qr-error {
  color: #e07070;
  font-size: 13px;
}

/* Mobile: full screen QR modal */
@media (max-width: 768px) {
  .pg-qr-modal {
    background: #000;
  }

  .pg-qr-content {
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
    padding: 60px 20px 20px 20px;
  }

  .pg-qr-close {
    top: 15px;
    right: 15px;
    width: 44px;
    height: 44px;
    font-size: 22px;
  }
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 900px) {
  .pg-editor-container {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
  }

  .pg-editor-pane,
  .pg-output-pane {
    border-right: none;
    border-bottom: 1px solid var(--border-color, #2a352a);
    max-width: 100%;
    overflow: hidden;
  }

  .pg-editor,
  .pg-output {
    min-height: 250px;
    max-width: 100%;
  }

  .pg-settings-grid {
    grid-template-columns: 1fr;
  }

  .pg-toolbar {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .pg-toolbar-left,
  .pg-toolbar-right {
    justify-content: center;
  }

  .pg-ai-content {
    grid-template-columns: 1fr;
  }

  .pg-ai-hints {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, 1fr);
  }

  .pg-artifact-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 600px) {
  .pg-toolbar {
    padding: 12px;
  }

  .pg-ai-panel,
  .pg-settings-panel {
    padding: 12px;
  }

  .pg-ai-hints {
    grid-template-columns: 1fr 1fr;
  }

  .pg-status-bar {
    grid-template-columns: 1fr;
    gap: 8px;
    text-align: center;
  }

  .pg-status-left,
  .pg-status-center,
  .pg-status-right {
    justify-content: center;
  }
}