/* ============================================
   StrudelFlare - Dracula/Monokai REPL Theme
   ============================================ */

:root {
  /* Dracula palette */
  --bg-primary: #282a36;
  --bg-secondary: #1e1f29;
  --bg-tertiary: #44475a;
  --bg-highlight: #343746;
  --fg-primary: #f8f8f2;
  --fg-secondary: #6272a4;
  --fg-muted: #565869;
  --accent-purple: #bd93f9;
  --accent-pink: #ff79c6;
  --accent-green: #50fa7b;
  --accent-cyan: #8be9fd;
  --accent-orange: #ffb86c;
  --accent-red: #ff5555;
  --accent-yellow: #f1fa8c;
  /* Monokai-inspired extras */
  --syntax-keyword: #ff79c6;
  --syntax-string: #f1fa8c;
  --syntax-number: #bd93f9;
  --syntax-function: #50fa7b;
  --syntax-comment: #6272a4;
  /* Layout */
  --header-height: 52px;
  --sidebar-width: 380px;
  --border-radius: 6px;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html, body {
  height: 100%;
  background: var(--bg-secondary);
  color: var(--fg-primary);
  font-family: var(--font-sans);
  overflow: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--fg-secondary); }

/* ---- Header ---- */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 16px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--bg-tertiary);
  flex-shrink: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  font-size: 24px;
  line-height: 1;
}

#header h1 {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-purple);
}

.tagline {
  font-size: 12px;
  color: var(--fg-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a.tagline:hover {
  color: var(--accent-cyan);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tempo-control {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 8px;
}

.tempo-control label {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tempo-control input {
  width: 60px;
  padding: 4px 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: 4px;
  color: var(--accent-orange);
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: center;
}

.tempo-control input:focus {
  outline: none;
  border-color: var(--accent-purple);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-green);
  color: var(--bg-primary);
}
.btn-primary:hover {
  background: #6afb92;
  box-shadow: 0 0 12px rgba(80, 250, 123, 0.3);
}

.btn-danger {
  background: var(--accent-red);
  color: var(--bg-primary);
}
.btn-danger:hover {
  background: #ff6e6e;
  box-shadow: 0 0 12px rgba(255, 85, 85, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--fg-secondary);
  border-color: var(--bg-tertiary);
}
.btn-ghost:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}
.btn-ghost.active {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(139, 233, 253, 0.1);
}

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

/* ---- Editor Panel ---- */
#editor-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

#editor-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--bg-tertiary);
  min-height: 0;
}

#editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: 32px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--bg-tertiary);
  flex-shrink: 0;
}

#editor-header .tab {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-secondary);
  padding: 6px 12px;
  border-bottom: 2px solid transparent;
}

#editor-header .tab.active {
  color: var(--fg-primary);
  border-bottom-color: var(--accent-purple);
}

#editor-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
}

#editor-status.playing {
  color: var(--accent-green);
}

#editor-status.error {
  color: var(--accent-red);
}

/* CodeMirror mount point — fills the editor container */
#code-editor {
  flex: 1;
  width: 100%;
  min-height: 0;
  overflow: hidden;
  background: var(--bg-secondary);
}

/* Make CodeMirror fill its container */
#code-editor .cm-editor {
  height: 100%;
}

#code-editor .cm-scroller {
  overflow: auto;
}

/* ---- Visualizer ---- */
#visualizer-container {
  position: relative;
  height: 180px;
  background: var(--bg-primary);
  flex-shrink: 0;
  border-top: 1px solid var(--bg-tertiary);
}

#visualizer {
  width: 100%;
  height: 100%;
  display: block;
}

#visualizer-label {
  position: absolute;
  top: 8px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ---- Sidebar ---- */
#sidebar {
  width: 0;
  background: var(--bg-primary);
  border-left: 1px solid var(--bg-tertiary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.25s ease;
  flex-shrink: 0;
}

#sidebar.open {
  width: var(--sidebar-width);
}

#sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--bg-tertiary);
  flex-shrink: 0;
}

#sidebar-header h2 {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-cyan);
  white-space: nowrap;
}

/* ---- Auto-play toggle ---- */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
}

.toggle-label input {
  display: none;
}

.toggle-slider {
  position: relative;
  width: 32px;
  height: 18px;
  background: var(--bg-tertiary);
  border-radius: 9px;
  transition: background 0.2s;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: var(--fg-secondary);
  border-radius: 50%;
  transition: all 0.2s;
}

.toggle-label input:checked + .toggle-slider {
  background: var(--accent-green);
}

.toggle-label input:checked + .toggle-slider::after {
  left: 16px;
  background: var(--bg-primary);
}

.toggle-text {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-secondary);
}

/* ---- Chat Messages ---- */
#chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message {
  display: flex;
  gap: 10px;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.message-avatar {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

.message.assistant .message-avatar {
  background: var(--accent-purple);
  color: var(--bg-primary);
}

.message.user .message-avatar {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

.message-content {
  flex: 1;
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-primary);
  min-width: 0;
}

.message-content p {
  margin-bottom: 6px;
}

.message-content ul {
  margin: 4px 0 8px 16px;
}

.message-content li {
  margin: 2px 0;
}

.message-content strong {
  color: var(--accent-pink);
}

.message-content code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-secondary);
  padding: 1px 4px;
  border-radius: 3px;
  color: var(--accent-green);
}

.message-content pre {
  margin: 8px 0;
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.message-content pre code {
  display: block;
  padding: 12px;
  background: transparent;
  overflow-x: auto;
  white-space: pre;
  color: var(--fg-primary);
}

/* Code block action bar */
.code-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  padding: 4px 8px;
  background: var(--bg-highlight);
  border-top: 1px solid var(--bg-tertiary);
}

.code-actions button {
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  border: 1px solid var(--bg-tertiary);
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-insert {
  background: var(--accent-green);
  color: var(--bg-primary);
  border-color: var(--accent-green) !important;
}
.btn-insert:hover {
  box-shadow: 0 0 8px rgba(80, 250, 123, 0.3);
}

.btn-copy {
  background: var(--bg-tertiary);
  color: var(--fg-secondary);
}
.btn-copy:hover {
  color: var(--fg-primary);
}

/* ---- Chat Input ---- */
#chat-input-container {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--bg-tertiary);
  background: var(--bg-primary);
  flex-shrink: 0;
}

#chat-input {
  flex: 1;
  padding: 8px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--border-radius);
  color: var(--fg-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  resize: none;
  outline: none;
  line-height: 1.4;
}

#chat-input:focus {
  border-color: var(--accent-purple);
}

#chat-input::placeholder {
  color: var(--fg-muted);
}

#btn-send {
  padding: 8px 14px;
  font-size: 16px;
  align-self: flex-end;
}

/* ---- Loading dots ---- */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 4px 0;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--accent-purple);
  border-radius: 50%;
  animation: bounce 1.2s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  :root { --sidebar-width: 100%; }
  #sidebar.open {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    z-index: 200;
  }
}