/**
 * WOW3 Editor Canvas and Element Styles
 * Styles for the editing canvas, elements, and interaction handles
 */

/* ==================== SLIDE CANVAS ==================== */

.slide-canvas {
  width: 1280px;
  height: 720px;
  background: white;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
  transform-origin: center;
}

/* ==================== ELEMENT BASE STYLES ==================== */

.element {
  position: absolute;
  cursor: move;
  user-select: none;
  box-sizing: border-box;
}

.element.selected {
  outline: 2px solid #2196F3;
  outline-offset: 2px;
  z-index: 1000;
}

/* Temporarily hide selection outline during thumbnail capture */
.element._thumb-hide-outline {
  outline: none !important;
}

.element.dragging {
  opacity: 0.7;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
  cursor: grabbing;
}

/* ==================== TEXT ELEMENT ==================== */

.text-element {
  padding: 2px;
}

.text-content {
  width: 100%;
  height: 100%;
  outline: none;
  word-wrap: break-word;
  overflow: hidden;
}

.text-content:focus {
  outline: 1px dashed #2196F3;
  outline-offset: 2px;
}

/* ==================== IMAGE ELEMENT ==================== */

.image-element img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

/* ==================== VIDEO ELEMENT ==================== */

.video-element video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==================== AUDIO ELEMENT ==================== */

.audio-element {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  border: 2px dashed #ccc;
}

.audio-element audio {
  width: 90%;
}

/* ==================== SHAPE ELEMENT ==================== */

.shape-element svg {
  width: 100%;
  height: 100%;
}

/* ==================== LIST ELEMENT ==================== */

.list-element {
  padding: 8px;
}

.list-element ul,
.list-element ol {
  margin: 0;
  padding-left: 20px;
}

.list-element li {
  margin: 4px 0;
}

/* ==================== LINK ELEMENT ==================== */

.link-element {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: #2196F3;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
}

.link-element:hover {
  background: #1976D2;
}

/* ==================== RESIZE HANDLES ==================== */

.resize-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: #2196F3;
  border: 2px solid white;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  z-index: 1001;
  display: none;
}

.element.selected .resize-handle {
  display: block;
}

/* Corner handles */
.resize-handle.nw {
  top: -5px;
  left: -5px;
  cursor: nw-resize;
}

.resize-handle.ne {
  top: -5px;
  right: -5px;
  cursor: ne-resize;
}

.resize-handle.sw {
  bottom: -5px;
  left: -5px;
  cursor: sw-resize;
}

.resize-handle.se {
  bottom: -5px;
  right: -5px;
  cursor: se-resize;
}

/* Edge handles */
.resize-handle.n {
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  cursor: n-resize;
}

.resize-handle.s {
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  cursor: s-resize;
}

.resize-handle.w {
  left: -5px;
  top: 50%;
  transform: translateY(-50%);
  cursor: w-resize;
}

.resize-handle.e {
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  cursor: e-resize;
}

/* ==================== ROTATION HANDLE ==================== */

.rotate-handle {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: #4CAF50;
  border: 2px solid white;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  cursor: grab;
  z-index: 1001;
  display: none;
}

.element.selected .rotate-handle {
  display: block;
}

.rotate-handle:active {
  cursor: grabbing;
}

/* Rotation handle line */
.rotate-handle::before {
  content: '';
  position: absolute;
  width: 2px;
  height: 10px;
  background: #4CAF50;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
}

/* ==================== CROP MODE ==================== */

.element.crop-mode {
  outline: 2px dashed #FF9800;
  outline-offset: 2px;
}

.element.crop-mode .resize-handle,
.element.crop-mode .rotate-handle {
  display: none !important;
}

.crop-handle {
  position: absolute;
  background: #FF9800;
  z-index: 1001;
  display: block;
}

.crop-handle.t {
  top: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 6px;
  cursor: ns-resize;
}

.crop-handle.b {
  bottom: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 6px;
  cursor: ns-resize;
}

.crop-handle.l {
  left: -3px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 40px;
  cursor: ew-resize;
}

.crop-handle.r {
  right: -3px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 40px;
  cursor: ew-resize;
}

.crop-corner {
  position: absolute;
  width: 10px;
  height: 10px;
  background: #FF9800;
  border: 2px solid white;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  z-index: 1001;
  display: block;
}

.crop-corner.nw {
  top: -5px;
  left: -5px;
  cursor: nw-resize;
}

.crop-corner.ne {
  top: -5px;
  right: -5px;
  cursor: ne-resize;
}

.crop-corner.sw {
  bottom: -5px;
  left: -5px;
  cursor: sw-resize;
}

.crop-corner.se {
  bottom: -5px;
  right: -5px;
  cursor: se-resize;
}

/* ==================== ALIGNMENT GUIDES ==================== */

.alignment-guides {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 999;
}

.alignment-guide {
  position: absolute;
  background: #2196F3;
  opacity: 0.7;
  z-index: 9999;
  pointer-events: none;
}

.alignment-guide.horizontal {
  width: 100%;
  height: 1px;
  left: 0;
}

.alignment-guide.vertical {
  width: 1px;
  height: 100%;
  top: 0;
}

/* Canvas border/center snap guides */
.alignment-guide.canvas {
  background: #FF5722;
  opacity: 0.9;
}

/* ==================== SELECTION BOX ==================== */

.selection-box {
  position: absolute;
  border: 2px dashed #2196F3;
  background: rgba(33, 150, 243, 0.1);
  pointer-events: none;
  z-index: 998;
}

/* ==================== CONTEXT MENU ==================== */

.context-menu {
  position: fixed;
  background: white;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  min-width: 150px;
}

.context-menu-item {
  padding: 8px 16px;
  cursor: pointer;
  transition: background 0.2s;
}

.context-menu-item:hover {
  background: #f5f5f5;
}

.context-menu-divider {
  height: 1px;
  background: #e0e0e0;
  margin: 4px 0;
}

/* ==================== PLACEHOLDER TEXT ==================== */

.element-placeholder {
  color: #999;
  font-style: italic;
  pointer-events: none;
}

/* ==================== LOADING STATES ==================== */

.element.loading {
  opacity: 0.5;
  pointer-events: none;
}

.element.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid #2196F3;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* ==================== ERROR STATES ==================== */

.element.error {
  border: 2px solid #f44336;
  background: rgba(244, 67, 54, 0.05);
}

.element-error-message {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #f44336;
  color: white;
  padding: 4px 8px;
  font-size: 12px;
  margin-top: 4px;
  border-radius: 2px;
  z-index: 1002;
}

/* ==================== SHELL PREVIEW OVERLAY ==================== */

.shell-preview-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.3;
  z-index: 900;
}

.shell-preview-overlay .element {
  pointer-events: none;
  cursor: default;
}

/* ==================== SHELL PREVIEW TOGGLE BUTTON ==================== */

.shell-preview-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1;
  transition: all 0.2s;
}

.shell-preview-toggle i {
  font-size: 16px;
}

.shell-preview-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.shell-preview-toggle.active {
  background: rgba(156, 39, 176, 0.6);
  border-color: #9C27B0;
  color: white;
}

/* ==================== CANVAS DROP FEEDBACK ==================== */

.slide-canvas.canvas-drop-active {
  outline: 3px dashed #2196F3;
  outline-offset: -3px;
  background-color: rgba(33, 150, 243, 0.05);
}

/* ==================== CLIP SHAPE ==================== */

.clip-shape-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
}

.clip-shape-content {
  width: 100%;
  height: 100%;
  transform-origin: center center;
}