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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #0a0a0a;
  color: #e0e0e0;
  height: 100vh;
  overflow: hidden;
}

.playground-container {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.playground-header {
  background: #111;
  border-bottom: 1px solid #222;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.playground-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #ffffff;
}

.header-actions {
  display: flex;
  gap: 1rem;
}

/* Main Layout */
.playground-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.playground-sidebar {
  width: 280px;
  background: #111;
  border-right: 1px solid #222;
  padding: 1.5rem;
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: 2rem;
}

.sidebar-section h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

/* Controls */
.control-select,
.control-input {
  width: 100%;
  padding: 0.5rem;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 4px;
  color: #e0e0e0;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.control-select:hover,
.control-input:hover {
  border-color: #444;
}

.control-select:focus,
.control-input:focus {
  outline: none;
  border-color: #ffffff;
  background: #222;
}

.control-label {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: #999;
}

.control-label input {
  margin-top: 0.25rem;
}

.control-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.5rem 0;
  cursor: pointer;
  font-size: 0.875rem;
  color: #999;
}

.control-checkbox input[type='checkbox'] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.control-checkbox:hover {
  color: #e0e0e0;
}

/* Preset Buttons */
.preset-btn {
  width: 100%;
  padding: 0.5rem;
  margin: 0.25rem 0;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 4px;
  color: #999;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

.preset-btn:hover {
  background: #222;
  border-color: #ffffff;
  color: #ffffff;
}

/* Content Area */
.playground-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Sections */
.editor-section,
.preview-section,
.code-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid #222;
}

.code-section {
  flex: 0 0 120px;
  border-bottom: none;
}

.section-header {
  background: #111;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #222;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-header h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Editor */
#editor,
.CodeMirror {
  flex: 1;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 14px;
  line-height: 1.5;
}

.CodeMirror {
  background: #0a0a0a;
  color: #e0e0e0;
  height: 100%;
}

.CodeMirror-gutters {
  background: #111;
  border-right: 1px solid #222;
}

.CodeMirror-linenumber {
  color: #555;
}

.CodeMirror-cursor {
  border-left-color: #4ade80;
}

.CodeMirror-selected {
  background: #333;
}

/* Preview */
.preview-wrapper {
  flex: 1;
  overflow: auto;
  background: #0a0a0a;
  position: relative;
}

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

.status-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #888;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #666;
}

.status-dot.active {
  background: #4ade80;
}

.status-dot.inactive {
  background: #ef4444;
}

.status-badge.error {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

#preview {
  overflow: auto;
  padding: 2rem;
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Generated Code */
.code-display {
  display: block;
  padding: 1rem;
  background: #0a0a0a;
  color: #4ade80;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 14px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 4px;
  color: #e0e0e0;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn:hover {
  background: #222;
  border-color: #444;
}

.btn-primary {
  background: #f5f5f5;
  border-color: #b6b6b6;
  color: #000;
}

.btn-primary:hover {
  background: #c5c5c5;
  border-color: #c2c2c2;
}

.btn-secondary {
  background: #333;
  border-color: #444;
}

.btn-secondary:hover {
  background: #444;
  border-color: #555;
}

.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #0a0a0a;
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #444;
}

/* Preview Content Styles */
#preview h1 {
  font-size: 3rem;
  font-weight: 700;
  margin: 1rem 0;
}

#preview h2 {
  font-size: 2rem;
  font-weight: 600;
  margin: 1rem 0;
}

#preview p {
  font-size: 1.125rem;
  line-height: 1.6;
  margin: 1rem 0;
  max-width: 600px;
}

#preview .card {
  background: #111;
  border: 1px solid #222;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem;
  max-width: 300px;
}

#preview .card h3 {
  margin-bottom: 0.5rem;
  color: #ffffff;
}

#preview ul {
  list-style: none;
  padding: 0;
}

#preview li {
  background: #111;
  border: 1px solid #222;
  border-radius: 4px;
  padding: 1rem;
  margin: 0.5rem 0;
}

#preview .counter {
  font-size: 3rem;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #0a0a0a;
  color: #e0e0e0;
  height: 100vh;
  overflow: hidden;
}

.playground-container {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.playground-header {
  background: #111;
  border-bottom: 1px solid #222;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.playground-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #ffffff;
}

.header-actions {
  display: flex;
  gap: 1rem;
}

/* Main Layout */
.playground-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.playground-sidebar {
  width: 280px;
  background: #111;
  border-right: 1px solid #222;
  padding: 1.5rem;
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: 2rem;
}

.sidebar-section h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

/* Controls */
.control-select,
.control-input {
  width: 100%;
  padding: 0.5rem;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 4px;
  color: #e0e0e0;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.control-select:hover,
.control-input:hover {
  border-color: #444;
}

.control-select:focus,
.control-input:focus {
  outline: none;
  border-color: #ffffff;
  background: #222;
}

.control-label {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: #999;
}

.control-label input {
  margin-top: 0.25rem;
}

.control-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.5rem 0;
  cursor: pointer;
  font-size: 0.875rem;
  color: #999;
}

.control-checkbox input[type='checkbox'] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.control-checkbox:hover {
  color: #e0e0e0;
}

/* Preset Buttons */
.preset-btn {
  width: 100%;
  padding: 0.5rem;
  margin: 0.25rem 0;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 4px;
  color: #999;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

.preset-btn:hover {
  background: #222;
  border-color: #ffffff;
  color: #ffffff;
}

/* Content Area */
.playground-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Sections */
.editor-section,
.preview-section,
.code-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid #222;
}

.code-section {
  flex: 0 0 120px;
  border-bottom: none;
}

.section-header {
  background: #111;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #222;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-header h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Editor */
#editor,
.CodeMirror {
  flex: 1;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 14px;
  line-height: 1.5;
}

.CodeMirror {
  background: #0a0a0a;
  color: #e0e0e0;
  height: 100%;
}

.CodeMirror-gutters {
  background: #111;
  border-right: 1px solid #222;
}

.CodeMirror-linenumber {
  color: #555;
}

.CodeMirror-cursor {
  border-left-color: #4ade80;
}

.CodeMirror-selected {
  background: #333;
}

/* Preview */
.preview-wrapper {
  flex: 1;
  overflow: auto;
  background: #0a0a0a;
  position: relative;
}

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

.status-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #888;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #666;
}

.status-dot.active {
  background: #4ade80;
}

.status-dot.inactive {
  background: #ef4444;
}

.status-badge.error {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

#preview {
  overflow: auto;
  padding: 2rem;
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Generated Code */
.code-display {
  display: block;
  padding: 1rem;
  background: #0a0a0a;
  color: #4ade80;
  font-family: 'JetBrains Mono', 'Consolas', monospace;
  font-size: 14px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 4px;
  color: #e0e0e0;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn:hover {
  background: #222;
  border-color: #444;
}

.btn-primary {
  background: #f5f5f5;
  border-color: #b6b6b6;
  color: #000;
}

.btn-primary:hover {
  background: #c5c5c5;
  border-color: #c2c2c2;
}

.btn-secondary {
  background: #333;
  border-color: #444;
}

.btn-secondary:hover {
  background: #444;
  border-color: #555;
}

.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #0a0a0a;
}

::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #444;
}

/* Preview Content Styles */
#preview h1 {
  font-size: 3rem;
  font-weight: 700;
  margin: 1rem 0;
}

#preview h2 {
  font-size: 2rem;
  font-weight: 600;
  margin: 1rem 0;
}

#preview p {
  font-size: 1.125rem;
  line-height: 1.6;
  margin: 1rem 0;
  max-width: 600px;
}

#preview .card {
  background: #111;
  border: 1px solid #222;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem;
  max-width: 300px;
}

#preview .card h3 {
  margin-bottom: 0.5rem;
  color: #ffffff;
}

#preview ul {
  list-style: none;
  padding: 0;
}

#preview li {
  background: #111;
  border: 1px solid #222;
  border-radius: 4px;
  padding: 1rem;
  margin: 0.5rem 0;
}

#preview .counter {
  font-size: 3rem;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .playground-sidebar {
    display: none;
  }

  .playground-content {
    flex-direction: column;
  }

  .editor-section,
  .preview-section {
    flex: 1;
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .playground-sidebar {
    display: none;
  }

  .playground-content {
    flex-direction: column;
  }

  .editor-section,
  .preview-section {
    flex: 1;
  }
}