:root {
  /* Tmavý režim (Dark Mode) - výchozí */
  --bg-primary: #08080c;
  --bg-secondary: rgba(18, 18, 28, 0.85);
  --bg-tertiary: #131320;
  --bg-card: rgba(255, 255, 255, 0.02);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-active: rgba(139, 92, 246, 0.5);
  
  --text-primary: #f0f0f8;
  --text-secondary: #9a9ab0;
  --text-muted: #5e5e78;
  
  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #8b5cf6, #ec4899);
  --accent-glow: rgba(139, 92, 246, 0.25);
  
  --blue: #3b82f6;
  --green: #10b981;
  --red: #ef4444;
  --orange: #f59e0b;
  
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 24px rgba(139, 92, 246, 0.15);
  
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Světlý režim (Light Mode) - přepis proměnných */
body.light-mode {
  --bg-primary: #f3f4f6;
  --bg-secondary: rgba(255, 255, 255, 0.9);
  --bg-tertiary: #e5e7eb;
  --bg-card: rgba(0, 0, 0, 0.02);
  --bg-glass: rgba(0, 0, 0, 0.03);
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.14);
  --border-active: rgba(139, 92, 246, 0.8);
  
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 15px rgba(139, 92, 246, 0.1);
}

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}

/* ===== SCROLLBARS ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

input, select, textarea, button { font-family: var(--font); }

/* ===== TOPBAR ===== */
#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 54px;
  padding: 0 16px;
  background: var(--bg-secondary);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  box-shadow: var(--shadow);
}

.topbar-left { display: flex; align-items: center; gap: 20px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.5px;
}
.logo-icon {
  font-size: 20px;
  filter: drop-shadow(0 0 8px var(--accent));
}
.logo-text { color: var(--text-primary); }
.logo-accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.topbar-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-glass);
  padding: 3px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.tab-btn:hover { color: var(--text-primary); background: var(--bg-glass); }
.tab-btn.active {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 2px 10px rgba(139, 92, 246, 0.3);
}

.topbar-divider { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }

.project-info {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.topbar-project-input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  outline: none;
  width: 120px;
  transition: var(--transition);
}
.topbar-project-input:focus {
  width: 180px;
  border-bottom: 1px solid var(--accent);
}

.topbar-select {
  padding: 5px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: var(--accent-gradient);
  border: none;
  color: white;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(139, 92, 246, 0.4);
}

.btn-accent {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: linear-gradient(135deg, var(--blue), var(--accent));
  border: none;
  color: white;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}
.btn-accent:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

.btn-ghost {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: rgba(139, 92, 246, 0.05);
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.btn-icon:hover {
  background: var(--bg-glass);
  border-color: var(--border);
  color: var(--text-primary);
}

.btn-sm {
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-sm:hover, .btn-sm.active {
  border-color: var(--accent);
  color: white;
  background: var(--accent);
}

.btn-block { width: 100%; justify-content: center; }

/* ===== MAIN CONTAINER LAYOUT ===== */
#main-container {
  display: flex;
  height: calc(100vh - 54px);
}

/* ===== SIDE PANELS ===== */
.panel {
  width: 270px;
  background: var(--bg-secondary);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width var(--transition);
}

#properties-panel {
  border-right: none;
  border-left: 1px solid var(--border);
  width: 290px;
}

.panel-header {
  padding: 16px;
  border-bottom: 1px solid var(--border);
}
.panel-header h3 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.panel-header input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: 12px;
  outline: none;
  transition: var(--transition);
}
.panel-header input:focus { border-color: var(--accent); }

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}

/* ===== CATEGORIES ===== */
.comp-category { margin-bottom: 8px; }

.cat-title {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 6px;
  transition: var(--transition);
  user-select: none;
}
.cat-title:hover { color: var(--text-primary); background: var(--bg-glass); }

.cat-items {
  padding: 4px 0 4px 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.comp-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: grab;
  transition: var(--transition);
  font-size: 12px;
  color: var(--text-secondary);
  border: 1px solid transparent;
}
.comp-item:hover {
  background: var(--bg-glass);
  border-color: var(--border-hover);
  color: var(--text-primary);
}
.comp-item:active {
  cursor: grabbing;
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.08);
}

.comp-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
  color: var(--accent);
  flex-shrink: 0;
  border: 1px solid var(--border);
}

/* ===== BUILDER CANVAS ===== */
#canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.02) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.02) 0%, transparent 40%);
}

#canvas-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  min-height: 36px;
}

.breadcrumb-path { font-size: 11px; color: var(--text-muted); font-weight: 500; }
.breadcrumb-path span { color: var(--text-secondary); }
.breadcrumb-path span:last-child { color: var(--accent); font-weight: 700; }

.canvas-actions { display: flex; align-items: center; gap: 8px; }
#zoomLevel { font-size: 11px; color: var(--text-secondary); font-weight: 700; min-width: 40px; text-align: center; }

#canvas-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 40px 20px;
}

#canvas {
  width: 100%;
  max-width: 1140px;
  min-height: 700px;
  height: auto;
  margin: 0 auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: max-width var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-lg);
  padding-bottom: 80px;
  container-type: inline-size;
  container-name: canvas;
}

.device-desktop { max-width: 1140px; }
.device-tablet { max-width: 768px; }
.device-mobile { max-width: 375px; }

#canvas.drag-over {
  border-color: var(--accent);
  box-shadow: 0 0 40px var(--accent-glow);
}

.canvas-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 450px;
  color: var(--text-muted);
  text-align: center;
  padding: 40px;
}
.empty-icon {
  font-size: 32px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}
.canvas-empty h3 { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--text-secondary); }
.canvas-empty p { font-size: 12px; margin-top: 6px; max-width: 250px; line-height: 1.5; }

/* ===== CANVAS ELEMENTS IN WRAPPER ===== */
.canvas-element {
  position: relative;
  min-height: 30px;
  border: 1.5px dashed transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
  display: inline-block;
  vertical-align: top;
  width: 100%;
  box-sizing: border-box;
}
.canvas-element:hover { border-color: rgba(139, 92, 246, 0.4); }
.canvas-element.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.canvas-element.drag-over-child { border-color: var(--blue); background: rgba(59, 130, 246, 0.04); }

.canvas-element .el-label {
  display: none;
  position: absolute;
  top: -20px;
  left: 0;
  padding: 2px 8px;
  background: var(--accent);
  color: white;
  font-size: 9px;
  font-weight: 700;
  border-radius: 4px 4px 0 0;
  white-space: nowrap;
  z-index: 10;
}
.canvas-element:hover .el-label,
.canvas-element.selected .el-label { display: block; }

.canvas-element .el-actions {
  display: none;
  position: absolute;
  top: -20px;
  right: 0;
  gap: 2px;
  z-index: 10;
  background: var(--bg-tertiary);
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 4px 4px 0 0;
}
.canvas-element:hover .el-actions,
.canvas-element.selected .el-actions { display: flex; }

.el-actions button {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 10px;
  cursor: pointer;
  border-radius: 3px;
  transition: var(--transition);
}
.el-actions button:hover { background: var(--bg-glass); color: white; }
.el-actions button:last-child:hover { background: var(--red); color: white; }

/* ===== PROPERTIES & STYLE EDITORS ===== */
.panel-tabs { display: flex; border-bottom: 1px solid var(--border); background: var(--bg-glass); }
.panel-tab {
  flex: 1;
  padding: 10px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}
.panel-tab:hover { color: var(--text-primary); }
.panel-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.panel-tab-content { display: none; flex: 1; overflow-y: auto; padding: 16px; }
.panel-tab-content.active { display: block; }

.no-selection {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 250px;
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
}

.prop-group { margin-bottom: 14px; }
.prop-group label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.prop-group input[type="text"],
.prop-group input[type="number"],
.prop-group textarea,
.prop-group select {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: 12px;
  outline: none;
  transition: var(--transition);
}
.prop-group input:focus,
.prop-group textarea:focus,
.prop-group select:focus { border-color: var(--accent); }

.prop-group textarea {
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 11px;
}

.color-input-row { display: flex; gap: 8px; align-items: center; }
.color-input-row input[type="color"] {
  width: 34px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: transparent;
}
.color-input-row input[type="text"] { flex: 1; }

.spacing-inputs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.spacing-inputs input { text-align: center; padding: 6px; font-size: 11px; }

/* ===== AI SKETCH VIEW (NÁČRTKY) ===== */
#sketches-view {
  flex: 1;
  height: calc(100vh - 54px);
  background: var(--bg-primary);
}

.sketches-layout {
  display: flex;
  height: 100%;
}

.sketches-panel-left {
  width: 320px;
  background: var(--bg-secondary);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--border);
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.sketches-panel-left h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.panel-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}

.sketch-source-select {
  display: flex;
  gap: 4px;
  background: var(--bg-glass);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 16px;
}

.sketch-source-btn {
  flex: 1;
  padding: 6px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 4px;
  transition: var(--transition);
}
.sketch-source-btn.active {
  background: var(--bg-tertiary);
  color: white;
  border: 1px solid var(--border);
}

.color-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-top: 4px;
}

.palette-color {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}
.palette-color.active {
  border-color: #fff;
  transform: scale(1.1);
  box-shadow: 0 0 10px var(--accent);
}

#sketchCustomColor {
  width: 26px;
  height: 26px;
  border: none;
  background: transparent;
  cursor: pointer;
}

.upload-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  background: var(--bg-glass);
  transition: var(--transition);
}
.upload-dropzone:hover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.02);
}
.dropzone-icon { font-size: 32px; margin-bottom: 12px; }
.upload-dropzone span { display: block; font-size: 12px; font-weight: 600; color: var(--text-primary); }
.upload-dropzone small { display: block; font-size: 10px; color: var(--text-muted); margin-top: 4px; }

.sketches-canvas-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  overflow: auto;
}

.sketch-canvas-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  background: #0a0a0f;
  display: flex;
  align-items: center;
  justify-content: center;
}

#drawingBoard {
  display: block;
  cursor: crosshair;
}

#sketchUploadPreview {
  width: 800px;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0d0d16;
}
#sketchPreviewImg {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* ===== AI LOADING SCREEN ===== */
.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 12, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 50;
  backdrop-filter: blur(8px);
  animation: fadeIn 0.3s ease;
}
.loading-overlay.hidden { display: none; }

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}
.loading-overlay h4 { font-family: var(--font-display); font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.loading-overlay p { font-size: 11px; color: var(--text-secondary); }

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

/* ===== CODE VIEWS ===== */
#code-view { flex: 1; display: flex; flex-direction: column; height: calc(100vh - 54px); }
.code-tabs { display: flex; background: var(--bg-secondary); border-bottom: 1px solid var(--border); padding: 0 16px; }
.code-tab {
  padding: 12px 20px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.code-tab:hover { color: var(--text-primary); }
.code-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.code-editor-container { flex: 1; overflow: auto; background: var(--bg-primary); }
.code-editor {
  margin: 0;
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
  background: transparent;
  white-space: pre-wrap;
  word-wrap: break-word;
  tab-size: 2;
}

/* ===== PREVIEW VIEW ===== */
#preview-view { flex: 1; height: calc(100vh - 54px); }
#previewFrame { width: 100%; height: 100%; border: none; background: white; }

/* ===== TEMPLATES & SAVED PROJECTS ===== */
#templates-view {
  flex: 1;
  overflow-y: auto;
  padding: 40px;
  height: calc(100vh - 54px);
}
.templates-container {
  max-width: 1200px;
  margin: 0 auto;
}
.templates-header { margin-bottom: 24px; }
.templates-header h2 { font-family: var(--font-display); font-size: 20px; font-weight: 800; color: var(--text-primary); margin-bottom: 6px; }
.templates-header p { font-size: 12px; color: var(--text-secondary); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.project-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}
.project-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.project-card-icon {
  font-size: 28px;
  width: 50px;
  height: 50px;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-card-info { flex: 1; }
.project-card-info h4 { font-family: var(--font-display); font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.project-card-info p { font-size: 11px; color: var(--text-secondary); margin-bottom: 2px; }
.project-card-actions { display: flex; flex-direction: column; gap: 6px; }

.no-projects {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-glass);
}

.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
}
.template-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}
.template-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.template-preview {
  height: 140px;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
}
.template-info { padding: 16px; }
.template-info h4 { font-family: var(--font-display); font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.template-info p { font-size: 11px; color: var(--text-secondary); line-height: 1.5; }
.template-tags { display: flex; gap: 4px; margin-top: 10px; }
.template-tags span {
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
}

/* ===== GAME MAKER PLAYGROUND ===== */
#game-view {
  flex: 1;
  height: calc(100vh - 54px);
}

.game-panel-left {
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.game-panel-left h3 { font-family: var(--font-display); font-size: 16px; font-weight: 800; margin-bottom: 6px; }

.game-settings { margin-top: 14px; }

.game-instructions {
  margin-top: auto;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}
.game-instructions h4 { font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }
.game-instructions p { font-size: 11px; color: var(--text-secondary); }

.game-actions { margin-top: 16px; }

.game-canvas-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: var(--bg-primary);
}

#gamePlayArea {
  position: relative;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1.5px solid var(--border);
  background: #0a0a0f;
}

#gamePlayCanvas {
  display: block;
}

.game-play-ui {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 5;
}
.game-stat {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: white;
  background: rgba(0,0,0,0.6);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.08);
}

.game-start-overlay, .game-over-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 12, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 8;
  backdrop-filter: blur(8px);
}
.game-over-overlay.hidden { display: none; }

.overlay-content {
  text-align: center;
  padding: 30px;
  max-width: 400px;
}
.game-icon { font-size: 40px; margin-bottom: 12px; }
.overlay-content h3 { font-family: var(--font-display); font-size: 20px; font-weight: 800; margin-bottom: 8px; }
.overlay-content h2 { font-family: var(--font-display); font-size: 32px; font-weight: 800; color: var(--red); margin-bottom: 8px; }
.overlay-content p { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }

/* ===== GEMINI CHAT CLIENT ===== */
.chat-panel {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 390px;
  height: 540px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  backdrop-filter: blur(20px);
  animation: chatSlide 0.3s ease;
  border-left: 2px solid var(--accent);
}
.chat-panel.hidden { display: none; }

@keyframes chatSlide {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border);
}
.chat-title { display: flex; align-items: center; gap: 10px; }
.chat-avatar { font-size: 26px; }
.chat-title strong { font-family: var(--font-display); font-size: 13px; display: block; color: white; }
.chat-title small { font-size: 10px; color: var(--text-muted); }

.chat-settings { padding: 12px; border-bottom: 1px solid var(--border); display: none; background: rgba(139,92,246,0.02); }
.chat-settings.visible { display: block; }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 12px;
  line-height: 1.6;
}
.chat-msg.ai {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 2px;
  border: 1px solid var(--border);
}
.chat-msg.user {
  background: var(--accent-gradient);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.chat-input-area {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-glass);
}
.chat-input-area textarea {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: 12px;
  resize: none;
  outline: none;
}
.chat-input-area textarea:focus { border-color: var(--accent); }

/* ===== MODAL ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal.hidden { display: none; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 6, 0.85);
  backdrop-filter: blur(6px);
}

.modal-content {
  position: relative;
  width: 90%;
  max-width: 640px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: modalScale 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px);
}

@keyframes modalScale {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-glass);
}
.modal-header h2 { font-family: var(--font-display); font-size: 15px; font-weight: 800; color: white; }

.modal-body { padding: 24px; max-height: 75vh; overflow-y: auto; }

.export-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

.export-format {
  padding: 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}
.export-format:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  background: rgba(139, 92, 246, 0.03);
}
.export-format .format-icon { font-size: 32px; margin-bottom: 8px; }
.export-format h4 { font-family: var(--font-display); font-size: 12px; font-weight: 700; color: white; margin-bottom: 4px; }
.export-format p { font-size: 10px; color: var(--text-muted); }

/* ===== NOTIFICATIONS ===== */
#notifications {
  position: fixed;
  top: 70px;
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.notification {
  padding: 12px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  animation: notifSlide 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 10px;
}
.notification.success { border-left: 4px solid var(--green); }
.notification.error { border-left: 4px solid var(--red); }
.notification.info { border-left: 4px solid var(--blue); }

@keyframes notifSlide {
  from { transform: translateX(30px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===== ADVANCED COMPONENT BEHAVIORS (PREVIEW ONLY) ===== */
.tabs-widget {
  background: rgba(255,255,255,0.01);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  overflow: hidden;
}
.empty-icon { animation: pulse 2s infinite; }

/* Global Animations Definitions */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideInUp { from { transform: translateY(24px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.04); }
  70% { transform: scale(0.98); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes zoomIn { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ===== RESPONSIVE MEDIA QUERIES ===== */
@media (max-width: 1250px) {
  #properties-panel { width: 250px; }
  .sketches-panel-left { width: 280px; }
}
@media (max-width: 950px) {
  .topbar-tabs { display: none; }
  #components-panel { width: 220px; }
  #properties-panel { width: 220px; }
}

/* ===== NEW STYLES: LIVE MODE TOGGLE ===== */
#canvas.live-mode .canvas-element {
  border: none !important;
  box-shadow: none !important;
  cursor: default !important;
}
#canvas.live-mode .canvas-element .el-label,
#canvas.live-mode .canvas-element .el-actions {
  display: none !important;
}
#canvas.live-mode .canvas-element [contenteditable="true"] {
  outline: none !important;
  cursor: text !important;
}

/* ===== NEW STYLES: LAYERS TREE SIDEBAR ===== */
.layer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  font-size: 11px;
  color: var(--text-secondary);
  cursor: grab;
  transition: var(--transition);
}
.layer-item:hover {
  background: var(--border-hover);
  color: var(--text-primary);
  border-color: var(--accent);
}
.layer-item.selected {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.08);
  color: var(--text-primary);
}
.layer-item.drag-over {
  border: 1px dashed var(--accent);
  background: rgba(139, 92, 246, 0.15);
}
.layer-item-title {
  display: flex;
  align-items: center;
  gap: 6px;
}
.layer-item-icon {
  font-size: 10px;
  opacity: 0.6;
}
.layer-item-actions {
  display: flex;
  gap: 4px;
}
.layer-item-actions button {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  border-radius: 3px;
  font-size: 10px;
  transition: var(--transition);
}
.layer-item-actions button:hover {
  color: white;
  background: var(--bg-glass);
}
.layer-item-actions button.btn-del:hover {
  color: var(--red);
}

/* ===== NEW STYLES: SPRITE GRID PIXELS ===== */
.sprite-pixel {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.01);
  aspect-ratio: 1;
  cursor: pointer;
  transition: background-color 0.1s ease;
}
.sprite-pixel:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ===== NEW STYLES: REALISTIC DEVICE SIMULATORS ===== */
#canvas.device-tablet {
  border: 12px solid #1a1a24 !important;
  border-radius: 24px !important;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5) !important;
}
#canvas.device-mobile {
  border: 16px solid #1a1a24 !important;
  border-bottom: 24px solid #1a1a24 !important;
  border-radius: 32px !important;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5) !important;
}
#canvas.device-mobile::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: #333;
  border-radius: 50%;
}

/* Foolproof Fallback for editor device previews */
#canvas.device-mobile .canvas-element,
#canvas.device-tablet .canvas-element {
  width: 100% !important;
  display: block !important;
}