:root {
  --bg-primary: #0d0d0f;
  --bg-secondary: #151518;
  --bg-tertiary: #1a1a1f;
  --bg-editor: #12121a;
  --border-color: #2a2a35;
  --text-primary: #e4e4e7;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
}

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

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
}

/* Confetti */
.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
  overflow: hidden;
}

.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  animation: confetti-fall 3s ease-out forwards;
}

@keyframes confetti-fall {
  0% {
    transform: translateY(-100vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.logo {
  display: flex;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.25rem;
  font-weight: 600;
}

.logo-bracket {
  color: var(--accent-purple);
}

.logo-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0.25rem;
}

.logo-berry {
  margin-left: 0.25rem;
}

.language-select {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.language-select:hover {
  border-color: var(--accent-purple);
}

.language-select:focus {
  border-color: var(--accent-pink);
  box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.2);
}

.btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-ghost:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.play-icon {
  font-size: 0.75rem;
}

/* Main Content */
.main-content {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  flex: 1;
  overflow: hidden;
}

@media (max-width: 900px) {
  .main-content {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr 1fr;
  }
}

/* Templates Sidebar */
.templates-sidebar {
  position: relative;
  width: 48px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  transition: width 0.3s ease;
  overflow: hidden;
}

.templates-sidebar.open {
  width: 200px;
}

@media (max-width: 900px) {
  .templates-sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  
  .templates-sidebar.open {
    width: 100%;
  }
  
  .templates-content {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    padding: 0.5rem !important;
    gap: 0.5rem !important;
  }
  
  .templates-toggle {
    display: none;
  }
}

.templates-toggle {
  position: absolute;
  right: 8px;
  top: 12px;
  width: 28px;
  height: 28px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  z-index: 10;
  transition: all 0.2s;
}

.templates-toggle:hover {
  background: var(--accent-purple);
  color: white;
}

.templates-content {
  padding: 3.5rem 0.75rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.templates-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  white-space: nowrap;
}

.template-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.template-card:hover {
  background: var(--bg-primary);
  border-color: var(--accent-purple);
  transform: translateX(2px);
}

.template-icon {
  font-size: 1rem;
}

.template-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Editor Panel */
.editor-panel, .output-panel {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
  min-height: 300px;
}

.output-panel {
  border-right: none;
}

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

.panel-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.panel-actions {
  display: flex;
  gap: 0.25rem;
  position: relative;
}

.btn-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
  font-size: 0.875rem;
}

.btn-icon:hover {
  background: var(--bg-tertiary);
}

.history-dropdown {
  position: relative;
}

.history-menu {
  position: absolute;
  top: 100%;
  right: 0;
  width: 250px;
  max-height: 200px;
  overflow-y: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  z-index: 100;
  margin-top: 0.25rem;
}

.history-empty, .history-item {
  padding: 0.75rem;
  font-size: 0.8rem;
}

.history-empty {
  color: var(--text-muted);
  text-align: center;
}

.history-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  text-align: left;
  color: var(--text-primary);
  transition: background 0.2s;
}

.history-item:hover {
  background: var(--bg-tertiary);
}

.history-item:last-child {
  border-bottom: none;
}

.history-time {
  color: var(--accent-purple);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
}

.history-preview {
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Editor Container */
.editor-container {
  display: flex;
  flex: 1;
  overflow: hidden;
  background: var(--bg-editor);
}

.line-numbers {
  padding: 1rem 0.75rem;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-muted);
  user-select: none;
  text-align: right;
  min-width: 3rem;
}

.line-number {
  height: 1.6em;
}

.code-editor {
  flex: 1;
  padding: 1rem;
  background: transparent;
  border: none;
  resize: none;
  outline: none;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  tab-size: 2;
  overflow: auto;
}

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

.code-editor:focus {
  box-shadow: inset 0 0 0 2px rgba(139, 92, 246, 0.2);
}

/* Console Output */
.console-output {
  flex: 1;
  padding: 1rem;
  background: var(--bg-primary);
  overflow-y: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  line-height: 1.6;
}

.console-empty {
  color: var(--text-muted);
  font-style: italic;
}

.output-group {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.output-group:last-child {
  border-bottom: none;
}

.output-timestamp {
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-bottom: 0.5rem;
}

.output-line {
  padding: 0.25rem 0;
  word-break: break-all;
}

.output-log {
  color: var(--text-primary);
}

.output-result {
  color: var(--accent-purple);
}

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

.output-warn {
  color: var(--warning);
}

.output-info {
  color: var(--info);
}

/* AI Analysis */
.ai-analysis {
  padding: 1rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.ai-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.ai-avatar {
  font-size: 1.25rem;
}

.ai-name {
  font-weight: 600;
  color: var(--accent-pink);
}

.ai-status {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: auto;
}

.ai-message {
  color: var(--text-secondary);
  font-size: 0.875rem;
  min-height: 1.5rem;
}

.typing-indicator {
  display: inline-flex;
  gap: 4px;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--accent-purple);
  border-radius: 50%;
  animation: typing 1s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

/* Status Bar */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.status-left, .status-center, .status-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-item {
  padding: 0.125rem 0.5rem;
  background: var(--bg-tertiary);
  border-radius: 4px;
}

.status-item.lang {
  color: var(--accent-pink);
}

.status-message {
  font-style: italic;
  color: var(--text-muted);
}

.ai-ready {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.shortcut {
  font-family: 'JetBrains Mono', monospace;
  padding: 0.125rem 0.5rem;
  background: var(--bg-tertiary);
  border-radius: 4px;
}

@media (max-width: 600px) {
  .status-center {
    display: none;
  }
  
  .shortcut {
    display: none;
  }
}

/* App Footer */
.app-footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
}

.app-footer a {
  color: var(--accent-pink);
  text-decoration: none;
  transition: color 0.2s;
}

.app-footer a:hover {
  color: var(--accent-purple);
}

.footer-note {
  opacity: 0.7;
  font-size: 0.7rem;
}

/* Mobile Responsive */
@media (max-width: 900px) {
  .header {
    padding: 0.5rem 1rem;
  }
  
  .logo {
    font-size: 1rem;
  }
  
  .editor-panel, .output-panel {
    min-height: 250px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  
  .output-panel {
    border-bottom: none;
  }
}

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

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}