/**
 * Slide Viewer Styles
 * 
 * Styles for PDF slide viewer with controls and fullscreen support
 * Matches dark theme from main.css
 */

.slide-viewer {
  margin: 2rem 0;
  border: 1px solid var(--border, #222222);
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-card, #111111);
}

.slide-viewer-wrapper {
  display: flex;
  flex-direction: column;
  background: var(--bg-card, #111111);
}

/* Toolbar */
.slide-viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated, #161616);
  border-bottom: 1px solid var(--border, #222222);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.slide-viewer-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.slide-viewer-title {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-weight: 600;
  color: var(--text, #e8e8e8);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.slide-viewer-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.slide-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
  background: transparent;
  border: 1px solid var(--border, #222222);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
  color: var(--text-secondary, #999999);
}

.slide-btn:hover {
  background: var(--bg-card, #111111);
  border-color: var(--accent, #4ade80);
  color: var(--accent, #4ade80);
}

.slide-btn:active {
  background: var(--bg-elevated, #161616);
}

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

.slide-btn:focus {
  outline: none;
  border-color: var(--accent, #4ade80);
  color: var(--accent, #4ade80);
}

.slide-btn:active {
  transform: scale(0.95);
}

.slide-btn svg {
  width: 16px;
  height: 16px;
}

.slide-divider {
  width: 1px;
  height: 20px;
  background: var(--border, #222222);
  margin: 0 0.25rem;
}

.slide-viewer-page {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.75rem;
  color: var(--dim, #666666);
}

.slide-page-input {
  width: 3rem;
  padding: 0.25rem 0.5rem;
  background: var(--bg-card, #111111);
  border: 1px solid var(--border, #222222);
  border-radius: 2px;
  text-align: center;
  font-size: 0.75rem;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  color: var(--text, #e8e8e8);
}

.slide-page-input:focus {
  outline: none;
  border-color: var(--accent, #4ade80);
  box-shadow: 0 0 0 2px rgba(74, 222, 128, 0.1);
}

.slide-zoom-level {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.7rem;
  color: var(--dim, #666666);
  min-width: 3rem;
  text-align: center;
}

/* Canvas Container */
.slide-viewer-canvas-container {
  position: relative;
  background: var(--bg, #0a0a0a);
  overflow: auto;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-viewer-canvas {
  display: block;
  margin: 1rem auto;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  max-width: 100%;
  height: auto;
  border-radius: 2px;
}

.slide-loading,
.slide-error {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text-secondary, #999999);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.8rem;
}

.slide-error {
  color: var(--danger-border, #ef4444);
}

.slide-error a {
  color: var(--accent, #4ade80);
  text-decoration: underline;
}

/* Fullscreen Mode */
.slide-viewer.fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  margin: 0;
  border-radius: 0;
  border: none;
}

.slide-viewer.fullscreen .slide-viewer-wrapper {
  height: 100vh;
}

.slide-viewer.fullscreen .slide-viewer-canvas-container {
  flex: 1;
  min-height: 0;
  background: #2b2b2b;
}

.slide-viewer.fullscreen .slide-viewer-canvas {
  max-height: calc(100vh - 60px);
  object-fit: contain;
}

.slide-viewer.fullscreen .slide-viewer-toolbar {
  background: rgba(10, 10, 10, 0.95);
  border-bottom-color: var(--border, #222222);
  backdrop-filter: blur(12px);
}

.slide-viewer.fullscreen .slide-viewer-title {
  color: var(--text, #e8e8e8);
}

.slide-viewer.fullscreen .slide-viewer-page,
.slide-viewer.fullscreen .slide-zoom-level {
  color: var(--dim, #666666);
}

.slide-viewer.fullscreen .slide-btn {
  background: transparent;
  border-color: var(--border, #222222);
  color: var(--text-secondary, #999999);
}

.slide-viewer.fullscreen .slide-btn:hover {
  background: var(--bg-card, #111111);
  border-color: var(--accent, #4ade80);
  color: var(--accent, #4ade80);
}

.slide-viewer.fullscreen .slide-btn:focus {
  outline: none;
  border-color: var(--accent, #4ade80);
  color: var(--accent, #4ade80);
}

.slide-viewer.fullscreen .slide-btn:active {
  background: var(--bg-elevated, #161616);
  transform: scale(0.95);
}

.slide-viewer.fullscreen .slide-divider {
  background: var(--border, #222222);
}

.slide-viewer.fullscreen .slide-page-input {
  background: var(--bg-card, #111111);
  border-color: var(--border, #222222);
  color: var(--text, #e8e8e8);
}

.slide-viewer.fullscreen .slide-page-input:focus {
  border-color: var(--accent, #4ade80);
  box-shadow: 0 0 0 2px rgba(74, 222, 128, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
  .slide-viewer-toolbar {
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 0.75rem;
  }

  .slide-viewer-controls {
    justify-content: center;
    flex-wrap: wrap;
  }

  .slide-viewer-info {
    justify-content: center;
  }

  .slide-viewer-canvas-container {
    min-height: 400px;
  }

  .slides-summary {
    padding: 0.75rem 1rem;
    gap: 0.5rem;
  }

  .slides-title {
    font-size: 0.65rem;
  }

  .slides-count {
    font-size: 0.6rem;
  }
}

@media (max-width: 480px) {
  .slide-viewer-canvas-container {
    min-height: 300px;
  }

  .slide-btn {
    padding: 0.3rem;
  }

  .slide-btn svg {
    width: 14px;
    height: 14px;
  }

  .slide-zoom-level {
    display: none;
  }

  .slides-summary {
    padding: 0.65rem 0.85rem;
  }

  .slides-icon {
    width: 16px;
    height: 16px;
  }
}

/* Dark mode is default - no media query needed */

/* Loading Animation */
.slide-loading::after {
  content: '';
  display: block;
  width: 40px;
  height: 40px;
  margin: 1rem auto 0;
  border: 3px solid var(--border, #222222);
  border-top-color: var(--accent, #4ade80);
  border-radius: 50%;
  animation: slide-loading-spin 0.8s linear infinite;
}

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

/* Print Styles */
@media print {
  .slide-viewer {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .slide-viewer-toolbar {
    display: none;
  }
}