/* Diapo — Presentation Editor Styles */

.diapo-sidebar {
  width: 220px;
  background: var(--suite-surface);
  border-right: 1px solid var(--suite-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex-shrink: 0;
  padding: 8px;
  gap: 6px;
}

.diapo-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--suite-bg);
  border: 2px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  overflow: hidden;
  transition: var(--suite-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .55rem;
  color: var(--suite-text2);
  padding: 4px;
}

.diapo-thumb.active {
  border-color: var(--suite-accent);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
}

.diapo-thumb:hover:not(.active) {
  border-color: var(--suite-border);
}

.diapo-thumb .thumb-number {
  position: absolute;
  top: 4px;
  left: 6px;
  font-size: .65rem;
  font-weight: 700;
  color: var(--suite-text2);
}

.diapo-thumb-content {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 2px;
  pointer-events: none;
}

.diapo-thumb-content h3 {
  font-size: .6rem;
  margin: 0;
  color: var(--suite-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 90%;
}

.diapo-thumb-content p {
  font-size: .45rem;
  color: var(--suite-text2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 90%;
  margin: 0;
}

.diapo-add-slide {
  width: 100%;
  aspect-ratio: 16/9;
  border: 2px dashed var(--suite-border);
  border-radius: 6px;
  background: transparent;
  color: var(--suite-text2);
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--suite-transition);
}

.diapo-add-slide:hover {
  border-color: var(--suite-accent);
  color: var(--suite-accent);
}

/* Main slide area */
.diapo-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 24px;
}

.diapo-slide {
  width: 960px;
  height: 540px;
  background: var(--suite-surface);
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

[data-theme="light"] .diapo-slide {
  background: #fff;
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}

/* Slide elements */
.diapo-element {
  position: absolute;
  cursor: move;
  user-select: none;
  outline: 2px solid transparent;
  outline-offset: 2px;
  transition: outline-color .1s;
}

.diapo-element.selected {
  outline-color: var(--suite-accent);
}

.diapo-element.editing {
  cursor: text;
  user-select: auto;
}

.diapo-element[data-type="title"] {
  font-size: 2rem;
  font-weight: 700;
  color: var(--suite-text);
  padding: 8px 16px;
  min-width: 200px;
}

.diapo-element[data-type="text"] {
  font-size: 1.1rem;
  color: var(--suite-text);
  padding: 8px 16px;
  min-width: 150px;
  line-height: 1.6;
}

.diapo-element[data-type="image"] img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 4px;
}

.diapo-element[data-type="shape"] {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Resize handles */
.diapo-element .resize-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--suite-accent);
  border-radius: 2px;
  display: none;
}

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

.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; }

/* Properties panel */
.diapo-props {
  width: 240px;
  background: var(--suite-surface);
  border-left: 1px solid var(--suite-border);
  padding: 16px;
  overflow-y: auto;
  flex-shrink: 0;
  font-size: .82rem;
}

.diapo-props h4 {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--suite-text2);
  margin: 16px 0 8px;
}

.diapo-props h4:first-child { margin-top: 0; }

.diapo-props label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--suite-text);
}

.diapo-props input[type="text"],
.diapo-props input[type="number"],
.diapo-props select {
  flex: 1;
  background: var(--suite-surface2);
  border: 1px solid var(--suite-border);
  border-radius: 4px;
  color: var(--suite-text);
  padding: 4px 8px;
  font-size: .8rem;
  outline: none;
}

.diapo-props input:focus, .diapo-props select:focus {
  border-color: var(--suite-accent);
}

/* Themes */
.diapo-themes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.diapo-theme-swatch {
  aspect-ratio: 16/9;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--suite-transition);
}

.diapo-theme-swatch.active {
  border-color: var(--suite-accent);
}

.diapo-theme-swatch:hover:not(.active) {
  border-color: var(--suite-border);
}

/* Presentation mode */
.diapo-presentation-mode {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.diapo-presentation-mode .diapo-slide {
  width: 100vw;
  height: 100vh;
  border-radius: 0;
  box-shadow: none;
}

/* Speaker Notes Bar */
.diapo-notes-bar {
  display: flex;
  flex-direction: column;
  padding: 8px 16px;
  background: var(--suite-surface);
  border-top: 1px solid var(--suite-border);
  flex-shrink: 0;
}

.diapo-notes-label {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--suite-text2);
  margin-bottom: 4px;
  font-weight: 600;
}

.diapo-notes-input {
  background: var(--suite-surface2);
  border: 1px solid var(--suite-border);
  border-radius: 6px;
  color: var(--suite-text);
  padding: 8px;
  font-size: .82rem;
  font-family: inherit;
  resize: vertical;
  outline: none;
  min-height: 48px;
  max-height: 150px;
}

.diapo-notes-input:focus {
  border-color: var(--suite-accent);
}

/* Slide Transitions */
@keyframes diapo-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes diapo-slide-left {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

@keyframes diapo-slide-right {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

@keyframes diapo-zoom {
  from { transform: scale(0.3); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Toolbar add buttons */
.diapo-insert-group {
  display: flex;
  gap: 2px;
}

@media (max-width: 900px) {
  .diapo-sidebar { width: 160px; }
  .diapo-props { width: 200px; }
  .diapo-slide { width: 640px; height: 360px; }
}

@media (max-width: 600px) {
  .diapo-sidebar { display: none; }
  .diapo-props { display: none; }
  .diapo-slide { width: 100%; height: auto; aspect-ratio: 16/9; }
}

@media print {
  .suite-header, .suite-toolbar, .suite-statusbar, .diapo-sidebar, .diapo-props { display: none !important; }
  .diapo-stage { padding: 0; }
  .diapo-slide { box-shadow: none; border-radius: 0; }
}