/**
 * 🎨 Visual Editor - Estilos Principais
 * Design moderno e responsivo
 */

/* ============ CSS Variables ============ */
:root {
  /* Cores primárias */
  --ve-primary: #2563eb;
  --ve-primary-hover: #1d4ed8;
  --ve-primary-light: rgba(37, 99, 235, 0.1);
  
  /* Cores de superfície */
  --ve-bg: #0f0f0f;
  --ve-bg-secondary: #1a1a1a;
  --ve-bg-tertiary: #252525;
  --ve-surface: #2a2a2a;
  --ve-surface-hover: #333333;
  
  /* Texto */
  --ve-text: #ffffff;
  --ve-text-secondary: #a0a0a0;
  --ve-text-muted: #666666;
  
  /* Bordas */
  --ve-border: #333333;
  --ve-border-light: #404040;
  
  /* Status */
  --ve-success: #22c55e;
  --ve-warning: #f59e0b;
  --ve-danger: #ef4444;
  
  /* Sizing */
  --ve-sidebar-width: 280px;
  --ve-inspector-width: 300px;
  --ve-toolbar-height: 48px;
  --ve-statusbar-height: 28px;
  
  /* Radius */
  --ve-radius-sm: 4px;
  --ve-radius: 8px;
  --ve-radius-lg: 12px;
  
  /* Shadows */
  --ve-shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --ve-shadow: 0 4px 12px rgba(0,0,0,0.4);
  --ve-shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
  
  /* Transitions */
  --ve-transition: 0.15s ease;
  --ve-transition-slow: 0.3s ease;
}

/* Light mode support */
@media (prefers-color-scheme: light) {
  :root.ve-auto-theme {
    --ve-bg: #f5f5f5;
    --ve-bg-secondary: #ffffff;
    --ve-bg-tertiary: #fafafa;
    --ve-surface: #ffffff;
    --ve-surface-hover: #f0f0f0;
    --ve-text: #1a1a1a;
    --ve-text-secondary: #666666;
    --ve-text-muted: #999999;
    --ve-border: #e0e0e0;
    --ve-border-light: #eeeeee;
  }
}

/* ============ Reset & Base ============ */
.ve-editor-root {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 14px;
  color: var(--ve-text);
  background: var(--ve-bg);
  height: 100vh;
  overflow: hidden;
}

.ve-editor-root * {
  box-sizing: border-box;
}

/* ============ Layout Principal ============ */
.ve-editor-layout {
  display: grid;
  grid-template-columns: var(--ve-sidebar-width) 1fr 0;
  grid-template-rows: 1fr;
  height: 100%;
  transition: grid-template-columns var(--ve-transition-slow);
}

.ve-editor-layout:has(.ve-inspector.ve-open) {
  grid-template-columns: var(--ve-sidebar-width) 1fr var(--ve-inspector-width);
}

/* ============ Sidebar ============ */
.ve-sidebar {
  background: var(--ve-bg-secondary);
  border-right: 1px solid var(--ve-border);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.ve-sidebar-header {
  padding: 12px;
  border-bottom: 1px solid var(--ve-border);
}

.ve-sidebar-tabs {
  display: flex;
  gap: 4px;
  background: var(--ve-bg-tertiary);
  border-radius: var(--ve-radius);
  padding: 4px;
}

.ve-tab {
  flex: 1;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--ve-text-secondary);
  border-radius: var(--ve-radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--ve-transition);
}

.ve-tab:hover {
  color: var(--ve-text);
  background: var(--ve-surface-hover);
}

.ve-tab.active {
  background: var(--ve-primary);
  color: white;
}

.ve-sidebar-content {
  flex: 1;
  overflow: hidden;
}

.ve-sidebar-panel {
  display: none;
  height: 100%;
  overflow-y: auto;
}

.ve-sidebar-panel.active {
  display: block;
}

/* Search Box */
.ve-search-box {
  padding: 12px;
  border-bottom: 1px solid var(--ve-border);
}

.ve-search-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--ve-border);
  border-radius: var(--ve-radius);
  background: var(--ve-bg-tertiary);
  color: var(--ve-text);
  font-size: 13px;
  transition: border-color var(--ve-transition);
}

.ve-search-input:focus {
  outline: none;
  border-color: var(--ve-primary);
}

.ve-search-input::placeholder {
  color: var(--ve-text-muted);
}

/* Elements List */
.ve-elements-list {
  padding: 8px;
}

.ve-element-category {
  margin-bottom: 8px;
}

.ve-category-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--ve-radius);
  cursor: pointer;
  transition: background var(--ve-transition);
}

.ve-category-header:hover {
  background: var(--ve-surface-hover);
}

.ve-category-icon {
  font-size: 16px;
}

.ve-category-name {
  flex: 1;
  font-weight: 500;
  color: var(--ve-text-secondary);
}

.ve-category-toggle {
  color: var(--ve-text-muted);
  transition: transform var(--ve-transition);
}

.ve-element-category.ve-collapsed .ve-category-toggle {
  transform: rotate(-90deg);
}

.ve-element-category.ve-collapsed .ve-category-elements {
  display: none;
}

.ve-category-elements {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 8px 0 8px 8px;
}

.ve-element-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: var(--ve-bg-tertiary);
  border: 1px solid var(--ve-border);
  border-radius: var(--ve-radius);
  cursor: grab;
  transition: all var(--ve-transition);
}

.ve-element-item:hover {
  background: var(--ve-surface-hover);
  border-color: var(--ve-primary);
  transform: translateY(-2px);
  box-shadow: var(--ve-shadow-sm);
}

.ve-element-item:active {
  cursor: grabbing;
}

.ve-element-icon {
  font-size: 24px;
}

.ve-element-name {
  font-size: 11px;
  color: var(--ve-text-secondary);
  text-align: center;
  line-height: 1.2;
}

/* ============ Canvas Area ============ */
.ve-canvas-area {
  display: flex;
  flex-direction: column;
  background: var(--ve-bg);
  overflow: hidden;
}

/* Toolbar */
.ve-toolbar {
  height: var(--ve-toolbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--ve-bg-secondary);
  border-bottom: 1px solid var(--ve-border);
  gap: 16px;
}

.ve-toolbar-left,
.ve-toolbar-center,
.ve-toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ve-toolbar-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: var(--ve-text-secondary);
  border-radius: var(--ve-radius);
  cursor: pointer;
  font-size: 14px;
  transition: all var(--ve-transition);
}

.ve-toolbar-btn:hover {
  background: var(--ve-surface-hover);
  color: var(--ve-text);
}

.ve-toolbar-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ve-toolbar-btn.ve-btn-primary {
  background: var(--ve-primary);
  color: white;
}

.ve-toolbar-btn.ve-btn-primary:hover {
  background: var(--ve-primary-hover);
}

.ve-toolbar-divider {
  width: 1px;
  height: 24px;
  background: var(--ve-border);
  margin: 0 4px;
}

.ve-icon {
  font-size: 16px;
}

/* Viewport Switcher */
.ve-viewport-switcher {
  display: flex;
  background: var(--ve-bg-tertiary);
  border-radius: var(--ve-radius);
  padding: 2px;
}

.ve-viewport-btn {
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: var(--ve-text-secondary);
  border-radius: var(--ve-radius-sm);
  cursor: pointer;
  font-size: 16px;
  transition: all var(--ve-transition);
}

.ve-viewport-btn:hover {
  color: var(--ve-text);
}

.ve-viewport-btn.active {
  background: var(--ve-primary);
  color: white;
}

/* Canvas Wrapper */
.ve-canvas-wrapper {
  flex: 1;
  overflow: auto;
  padding: 20px;
  background: 
    linear-gradient(90deg, var(--ve-border) 1px, transparent 1px),
    linear-gradient(var(--ve-border) 1px, transparent 1px);
  background-size: 20px 20px;
  background-position: center center;
}

.ve-canvas {
  background: white;
  border-radius: var(--ve-radius-lg);
  box-shadow: var(--ve-shadow-lg);
  overflow: hidden;
  transition: max-width var(--ve-transition-slow);
  min-height: 100%;
}

.ve-preview-iframe {
  width: 100%;
  height: 100%;
  min-height: 80vh;
  border: none;
  display: block;
}

/* Status Bar */
.ve-statusbar {
  height: var(--ve-statusbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--ve-bg-secondary);
  border-top: 1px solid var(--ve-border);
  font-size: 12px;
  color: var(--ve-text-muted);
}

.ve-save-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ve-save-status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ve-success);
}

.ve-save-status.ve-unsaved::before {
  background: var(--ve-warning);
}

.ve-zoom-control {
  display: flex;
  align-items: center;
  gap: 4px;
}

.ve-zoom-btn {
  width: 24px;
  height: 24px;
  border: none;
  background: var(--ve-surface);
  color: var(--ve-text-secondary);
  border-radius: var(--ve-radius-sm);
  cursor: pointer;
  font-size: 14px;
  transition: all var(--ve-transition);
}

.ve-zoom-btn:hover {
  background: var(--ve-surface-hover);
  color: var(--ve-text);
}

.ve-zoom-value {
  min-width: 50px;
  text-align: center;
}

/* ============ Inspector ============ */
.ve-inspector {
  width: 0;
  background: var(--ve-bg-secondary);
  border-left: 1px solid var(--ve-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width var(--ve-transition-slow);
}

.ve-inspector.ve-open {
  width: var(--ve-inspector-width);
}

.ve-inspector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--ve-border);
}

.ve-inspector-title {
  font-weight: 600;
  color: var(--ve-text);
}

.ve-inspector-close {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--ve-text-muted);
  border-radius: var(--ve-radius);
  cursor: pointer;
  font-size: 16px;
  transition: all var(--ve-transition);
}

.ve-inspector-close:hover {
  background: var(--ve-surface-hover);
  color: var(--ve-text);
}

.ve-inspector-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.ve-inspector-placeholder {
  color: var(--ve-text-muted);
  text-align: center;
  padding: 40px 20px;
  font-size: 13px;
}

.ve-inspector-element-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--ve-bg-tertiary);
  border-radius: var(--ve-radius);
  margin-bottom: 16px;
}

.ve-element-badge {
  font-size: 20px;
}

.ve-element-type {
  font-weight: 500;
  color: var(--ve-text);
}

.ve-inspector-section {
  margin-bottom: 20px;
}

.ve-inspector-section-header {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ve-text-muted);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ve-border);
}

.ve-inspector-section-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Fields */
.ve-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ve-field-inline {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.ve-field label {
  font-size: 12px;
  color: var(--ve-text-secondary);
  font-weight: 500;
}

.ve-field input[type="text"],
.ve-field input[type="number"],
.ve-field input[type="url"],
.ve-field textarea,
.ve-field select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--ve-border);
  border-radius: var(--ve-radius);
  background: var(--ve-bg-tertiary);
  color: var(--ve-text);
  font-size: 13px;
  transition: border-color var(--ve-transition);
}

.ve-field input:focus,
.ve-field textarea:focus,
.ve-field select:focus {
  outline: none;
  border-color: var(--ve-primary);
}

.ve-field input[type="color"] {
  width: 40px;
  height: 32px;
  padding: 2px;
  border: 1px solid var(--ve-border);
  border-radius: var(--ve-radius-sm);
  cursor: pointer;
}

.ve-field input[type="range"] {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--ve-bg-tertiary);
  cursor: pointer;
}

.ve-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ve-primary);
  cursor: pointer;
}

.ve-slider-value {
  color: var(--ve-primary);
  font-weight: 500;
}

/* Align Buttons */
.ve-align-buttons {
  display: flex;
  gap: 4px;
}

.ve-align-buttons button {
  flex: 1;
  padding: 8px;
  border: 1px solid var(--ve-border);
  background: var(--ve-bg-tertiary);
  color: var(--ve-text-secondary);
  border-radius: var(--ve-radius-sm);
  cursor: pointer;
  transition: all var(--ve-transition);
}

.ve-align-buttons button:hover {
  background: var(--ve-surface-hover);
}

.ve-align-buttons button.active {
  background: var(--ve-primary);
  border-color: var(--ve-primary);
  color: white;
}

/* ============ Empty Canvas ============ */
.ve-empty-canvas {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.ve-empty-message {
  text-align: center;
  color: #999;
}

.ve-empty-icon {
  font-size: 64px;
  display: block;
  margin-bottom: 16px;
  opacity: 0.5;
}

.ve-empty-message h3 {
  font-size: 24px;
  color: #666;
  margin: 0 0 8px;
}

.ve-empty-message p {
  margin: 0 0 24px;
  color: #888;
}

.ve-add-section-btn {
  padding: 12px 24px;
  background: var(--ve-primary);
  color: white;
  border: none;
  border-radius: var(--ve-radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--ve-transition);
}

.ve-add-section-btn:hover {
  background: var(--ve-primary-hover);
}

/* ============ Drag & Drop ============ */
.ve-is-dragging {
  cursor: grabbing !important;
  user-select: none;
}

.ve-drag-ghost {
  pointer-events: none;
  z-index: 999999;
}

.ve-ghost-icon {
  font-size: 18px;
}

.ve-ghost-label {
  font-size: 13px;
}

.ve-draggable {
  cursor: grab;
}

.ve-draggable:active {
  cursor: grabbing;
}

/* ============ Layers Tree ============ */
.ve-layers-tree {
  padding: 8px;
}

.ve-layer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--ve-radius);
  cursor: pointer;
  transition: background var(--ve-transition);
}

.ve-layer-item:hover {
  background: var(--ve-surface-hover);
}

.ve-layer-item.selected {
  background: var(--ve-primary-light);
  color: var(--ve-primary);
}

.ve-layer-icon {
  font-size: 14px;
  opacity: 0.7;
}

.ve-layer-name {
  flex: 1;
  font-size: 13px;
}

.ve-layer-toggle {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
  cursor: pointer;
}

.ve-layer-toggle:hover {
  opacity: 1;
}

.ve-layer-children {
  padding-left: 20px;
}

/* ============ Context Menu ============ */
.ve-context-menu {
  position: fixed;
  z-index: 100000;
  min-width: 180px;
  background: var(--ve-bg-secondary);
  border: 1px solid var(--ve-border);
  border-radius: var(--ve-radius);
  box-shadow: var(--ve-shadow-lg);
  padding: 4px;
  animation: ve-fade-in 0.1s ease;
}

@keyframes ve-fade-in {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.ve-context-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--ve-radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--ve-text);
  transition: background var(--ve-transition);
}

.ve-context-menu-item:hover {
  background: var(--ve-surface-hover);
}

.ve-context-menu-item.danger {
  color: var(--ve-danger);
}

.ve-context-menu-item.danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

.ve-context-menu-divider {
  height: 1px;
  background: var(--ve-border);
  margin: 4px 8px;
}

.ve-context-menu-shortcut {
  margin-left: auto;
  font-size: 11px;
  color: var(--ve-text-muted);
}

/* ============ Modal ============ */
.ve-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100000;
  animation: ve-fade-in 0.15s ease;
}

.ve-modal {
  background: var(--ve-bg-secondary);
  border-radius: var(--ve-radius-lg);
  box-shadow: var(--ve-shadow-lg);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  animation: ve-slide-up 0.2s ease;
}

@keyframes ve-slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.ve-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--ve-border);
}

.ve-modal-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.ve-modal-body {
  padding: 20px;
  overflow-y: auto;
  max-height: 60vh;
}

.ve-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--ve-border);
}

/* ============ Buttons ============ */
.ve-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--ve-radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--ve-transition);
}

.ve-btn-default {
  background: var(--ve-surface);
  color: var(--ve-text);
}

.ve-btn-default:hover {
  background: var(--ve-surface-hover);
}

.ve-btn-primary {
  background: var(--ve-primary);
  color: white;
}

.ve-btn-primary:hover {
  background: var(--ve-primary-hover);
}

.ve-btn-danger {
  background: var(--ve-danger);
  color: white;
}

.ve-btn-danger:hover {
  background: #dc2626;
}

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

.ve-btn-outline:hover {
  background: var(--ve-surface-hover);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  :root {
    --ve-sidebar-width: 240px;
    --ve-inspector-width: 260px;
  }

  .ve-category-elements {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .ve-editor-layout {
    grid-template-columns: 1fr;
  }

  .ve-sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    height: 100%;
    width: var(--ve-sidebar-width);
    z-index: 1000;
    transition: left var(--ve-transition-slow);
  }

  .ve-sidebar.ve-open {
    left: 0;
  }

  .ve-inspector {
    position: fixed;
    right: -100%;
    top: 0;
    height: 100%;
    width: var(--ve-inspector-width);
    z-index: 1000;
    transition: right var(--ve-transition-slow);
  }

  .ve-inspector.ve-open {
    right: 0;
  }
}

/* ============ Scrollbar ============ */
.ve-sidebar-panel::-webkit-scrollbar,
.ve-inspector-content::-webkit-scrollbar,
.ve-canvas-wrapper::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.ve-sidebar-panel::-webkit-scrollbar-track,
.ve-inspector-content::-webkit-scrollbar-track,
.ve-canvas-wrapper::-webkit-scrollbar-track {
  background: transparent;
}

.ve-sidebar-panel::-webkit-scrollbar-thumb,
.ve-inspector-content::-webkit-scrollbar-thumb,
.ve-canvas-wrapper::-webkit-scrollbar-thumb {
  background: var(--ve-border);
  border-radius: 4px;
}

.ve-sidebar-panel::-webkit-scrollbar-thumb:hover,
.ve-inspector-content::-webkit-scrollbar-thumb:hover,
.ve-canvas-wrapper::-webkit-scrollbar-thumb:hover {
  background: var(--ve-border-light);
}

/* ============ Animations ============ */
@keyframes ve-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes ve-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.ve-loading {
  display: inline-block;
  animation: ve-spin 1s linear infinite;
}