/* 🐡 Unfish Studio — Professional IDE Design System */

:root {
  --bg-app: #090d16;
  --bg-sidebar: #0d1322;
  --bg-panel: #0f172a;
  --bg-panel-header: #131c31;
  --bg-card: #1e293b;
  --bg-input: #131b2e;
  --bg-hover: #1c2742;
  --bg-active: #243254;
  
  --border: #22304d;
  --border-focus: #38bdf8;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cyan: #38bdf8;
  --accent-cyan-hover: #0ea5e9;
  --accent-purple: #c084fc;
  --accent-green: #34d399;
  --accent-amber: #fbbf24;
  --accent-red: #f87171;
  --accent-blue: #60a5fa;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Menlo, Monaco, Consolas, monospace;
}

[data-theme="light"] {
  --bg-app: #f1f5f9;
  --bg-sidebar: #e2e8f0;
  --bg-panel: #ffffff;
  --bg-panel-header: #f8fafc;
  --bg-card: #e2e8f0;
  --bg-input: #ffffff;
  --bg-hover: #e2e8f0;
  --bg-active: #cbd5e1;
  
  --border: #cbd5e1;
  --border-focus: #0284c7;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent-cyan: #0284c7;
  --accent-cyan-hover: #0369a1;
  --accent-purple: #9333ea;
  --accent-green: #16a34a;
  --accent-amber: #d97706;
  --accent-red: #dc2626;
  --accent-blue: #2563eb;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* App Header */
.studio-header {
  height: 48px;
  background-color: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  user-select: none;
  z-index: 20;
}

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

.studio-logo {
  font-size: 1.4rem;
}

.studio-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.version-pill {
  font-size: 0.7rem;
  background: var(--bg-card);
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  margin-left: 0.5rem;
  border-left: 1px solid var(--border);
  padding-left: 0.75rem;
}

.nav-link {
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}

.nav-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text-primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
}

.btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-focus);
}

.btn-primary {
  background: #0284c7;
  border-color: #38bdf8;
  color: #ffffff;
  font-weight: 600;
}

.btn-primary:hover {
  background: #0369a1;
}

.btn-success {
  background: #059669;
  border-color: #34d399;
  color: #ffffff;
}

.btn-success:hover {
  background: #047857;
}

.btn-warning {
  background: #d97706;
  border-color: #fbbf24;
  color: #ffffff;
}

.btn-sm {
  padding: 3px 8px;
  font-size: 0.75rem;
}

.btn-icon {
  padding: 5px;
  min-width: 28px;
  justify-content: center;
}

.status-badge {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 12px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.status-badge.live {
  color: var(--accent-green);
  border-color: rgba(52, 211, 153, 0.4);
}

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

/* Main IDE Layout */
.studio-main {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

/* Activity Bar (Icon Strip on left) */
.activity-bar {
  width: 44px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 0;
  gap: 0.5rem;
  z-index: 10;
}

.activity-btn {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.15s;
}

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

.activity-btn.active {
  color: var(--accent-cyan);
  background: var(--bg-card);
  border-left: 2px solid var(--accent-cyan);
  border-radius: 0 6px 6px 0;
}

/* Sidebar Drawer (Explorer, Palette, Projects) */
.studio-sidebar {
  width: 240px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.2s ease;
}

.studio-sidebar.collapsed {
  width: 0;
  border-right: none;
}

.sidebar-header {
  height: 36px;
  padding: 0 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.sidebar-actions {
  display: flex;
  gap: 0.25rem;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0;
}

/* File Tree */
.file-tree-item {
  padding: 4px 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  border-left: 2px solid transparent;
}

.file-tree-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.file-tree-item.active {
  background: var(--bg-active);
  color: var(--accent-cyan);
  border-left-color: var(--accent-cyan);
  font-weight: 500;
}

.file-item-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-icon {
  font-size: 0.9rem;
}

.file-item-actions {
  display: none;
  gap: 0.2rem;
}

.file-tree-item:hover .file-item-actions {
  display: flex;
}

.file-action-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  border-radius: 3px;
  font-size: 0.75rem;
}

.file-action-btn:hover {
  color: var(--accent-red);
}

/* Project Templates Select */
.project-select-container {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.project-select-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  display: block;
}

.project-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
  outline: none;
}

/* Center Editor Area */
.studio-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg-app);
}

/* Tab Bar */
.editor-tabs-bar {
  height: 36px;
  background-color: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  overflow-x: auto;
  user-select: none;
}

.editor-tab {
  height: 100%;
  padding: 0 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  background: var(--bg-panel-header);
  border-right: 1px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
}

.editor-tab:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.editor-tab.active {
  background: var(--bg-panel);
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent-cyan);
  font-weight: 500;
}

.tab-close {
  border-radius: 50%;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  border: none;
  background: transparent;
  cursor: pointer;
}

.tab-close:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Mode Bar (Code Editor vs Blocks Studio) */
.editor-mode-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 1rem;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.mode-pills {
  display: flex;
  gap: 0.3rem;
  background: var(--bg-sidebar);
  padding: 2px;
  border-radius: 6px;
}

.mode-pill {
  padding: 3px 10px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.mode-pill.active {
  background: var(--accent-cyan);
  color: #090d16;
  font-weight: 700;
}

/* Editor Body Area */
.editor-viewport {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-panel);
}

.code-editor-container {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
}

.line-numbers {
  width: 48px;
  padding: 10px 0;
  background: var(--bg-panel-header);
  border-right: 1px solid var(--border);
  color: var(--text-muted);
  text-align: right;
  user-select: none;
  overflow-y: hidden;
}

.line-number {
  padding-right: 10px;
  position: relative;
  cursor: pointer;
}

.line-number:hover::before {
  content: '🔴';
  font-size: 8px;
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.4;
}

.line-number.has-breakpoint::before {
  content: '🔴';
  font-size: 9px;
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 1;
}

.code-textarea {
  flex: 1;
  padding: 10px 14px;
  background: transparent;
  color: var(--text-primary);
  border: none;
  outline: none;
  resize: none;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  tab-size: 4;
  white-space: pre;
  overflow-wrap: normal;
  overflow-x: auto;
}

/* Search Bar */
.editor-search-bar {
  position: absolute;
  top: 8px;
  right: 20px;
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  display: none;
  gap: 0.5rem;
  align-items: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  z-index: 15;
}

.editor-search-bar.visible {
  display: flex;
}

.search-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  outline: none;
}

/* Bottom Tabbed Drawer (Terminal, Problems, Debugger, AST, Disasm, Tokens) */
.studio-drawer {
  height: 240px;
  background-color: var(--bg-panel);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: height 0.2s ease;
}

.drawer-header {
  height: 34px;
  background-color: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.5rem;
  user-select: none;
}

.drawer-tabs {
  display: flex;
  height: 100%;
}

.drawer-tab {
  height: 100%;
  padding: 0 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border: none;
  background: transparent;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.drawer-tab:hover {
  color: var(--text-primary);
}

.drawer-tab.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
  font-weight: 600;
}

.badge-count {
  font-size: 0.68rem;
  background: var(--accent-red);
  color: #ffffff;
  padding: 1px 5px;
  border-radius: 999px;
}

.drawer-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.drawer-content {
  flex: 1;
  overflow: auto;
  position: relative;
}

.drawer-pane {
  display: none;
  height: 100%;
  overflow: auto;
}

.drawer-pane.active {
  display: block;
}

/* Terminal Console View */
.terminal-view {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.55;
  padding: 10px 14px;
  color: var(--text-primary);
  background: var(--bg-app);
  height: 100%;
  overflow: auto;
  white-space: pre-wrap;
}

.terminal-line {
  margin-bottom: 2px;
}

.terminal-line.system {
  color: var(--accent-cyan);
}

.terminal-line.error {
  color: var(--accent-red);
}

.terminal-line.success {
  color: var(--accent-green);
}

/* Problems Table */
.problems-list {
  padding: 8px 12px;
  font-size: 0.82rem;
}

.problem-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
}

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

.problem-badge {
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.problem-badge.error {
  background: rgba(248, 113, 113, 0.2);
  color: var(--accent-red);
}

/* Debugger Pane */
.debugger-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  height: 100%;
  divide-x: 1px solid var(--border);
}

.debug-col {
  padding: 8px 12px;
  overflow-y: auto;
}

.debug-col-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 700;
}

.debug-var-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 3px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.debug-var-name {
  color: var(--accent-blue);
}

.debug-var-val {
  color: var(--accent-amber);
}

/* Inspection Tree (AST, Tokens, Disasm) */
.inspect-pre {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 10px 14px;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* Visual Blocks Canvas Layout inside Studio */
.studio-blocks-view {
  display: none;
  flex: 1;
  height: 100%;
  overflow: hidden;
}

.studio-blocks-view.active {
  display: flex;
}

.blocks-palette-pane {
  width: 200px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.palette-category {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

.palette-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
}

.palette-btn:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-hover);
  transform: translateX(2px);
}

.blocks-canvas-pane {
  flex: 1;
  overflow-y: auto;
  padding: 1.2rem;
  background: var(--bg-app);
}

/* Block styles */
.editable-block {
  margin-bottom: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  transition: border-color 0.15s;
}

.editable-block:hover {
  border-color: var(--accent-cyan);
}

.block-header {
  padding: 5px 10px;
  background: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.block-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
}

.block-controls {
  display: flex;
  gap: 2px;
}

.block-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 2px 4px;
  cursor: pointer;
  border-radius: 3px;
  font-size: 0.75rem;
}

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

.block-btn-delete:hover {
  color: var(--accent-red);
}

.block-body {
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.block-field-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 3px 6px;
  border-radius: 4px;
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

.block-field-input:focus {
  border-color: var(--accent-cyan);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 480px;
  max-width: 90vw;
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  overflow: hidden;
}

.modal-header {
  padding: 12px 16px;
  background: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.modal-body {
  padding: 16px;
}

.modal-footer {
  padding: 12px 16px;
  background: var(--bg-panel-header);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}