/* ============================================================
   Slide-Deck Styles
   Fullscreen-Praesentation fuer Hoersaal-Projektion
   ============================================================ */

/* --- Slide Deck Container --- */
.slide-deck {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  position: relative;
  background: var(--slide-bg);
  color: var(--slide-text);
  font-family: var(--font-editorial);
}

/* --- Individual Slide --- */
.slide {
  width: 100%;
  height: 100%;
  display: none;
  padding: 4rem 6rem;
  flex-direction: column;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
}

.slide.active {
  display: flex;
}

/* Slide Layouts */
.slide--title {
  text-align: center;
  align-items: center;
  justify-content: center;
}

.slide--content {
  justify-content: flex-start;
  padding-top: 5rem;
}

.slide--split {
  flex-direction: row;
  gap: 4rem;
  align-items: center;
}

.slide--split > * {
  flex: 1;
}

.slide--code {
  padding: 3rem;
}

/* --- Slide Typography --- */
.slide h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: white;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.slide h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: white;
  margin-bottom: 1.5rem;
  margin-top: 0;
  line-height: 1.2;
}

.slide h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--slide-accent);
  margin-bottom: 1rem;
  margin-top: 0;
}

.slide p {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.5;
  max-width: 50ch;
  color: var(--slide-text);
}

.slide--title p {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  color: #a8a8a8;
  font-style: italic;
}

/* --- Slide Lists --- */
.slide ul, .slide ol {
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  line-height: 1.8;
  padding-left: 1.5em;
  max-width: 45ch;
}

.slide li {
  margin-bottom: 0.5em;
}

.slide li::marker {
  color: var(--slide-accent);
}

/* --- Slide Code Blocks --- */
.slide pre {
  background: var(--slide-bg-dark);
  border: 1px solid #333;
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  font-size: clamp(0.9rem, 1.5vw, 1.2rem);
  overflow-x: auto;
  margin: 1.5rem 0;
  max-height: 60vh;
}

.slide code {
  font-family: var(--font-mono);
  background: none;
  border: none;
  padding: 0;
  color: var(--slide-text);
}

.slide :not(pre) > code {
  background: rgba(168, 216, 234, 0.15); /* --slide-accent at 15% */
  border: 1px solid rgba(168, 216, 234, 0.3); /* --slide-accent at 30% */
  border-radius: var(--radius-sm);
  padding: 0.1em 0.4em;
  color: var(--slide-accent);
  font-size: 0.9em;
}

/* --- Slide Diagrams/Images --- */
.slide-diagram {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.slide-diagram svg {
  max-width: 100%;
  max-height: 50vh;
}

.slide img {
  max-width: 100%;
  max-height: 60vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

/* --- Highlight Box (within slides) --- */
.slide-highlight {
  background: rgba(168, 216, 234, 0.1); /* --slide-accent at 10% */
  border: 1px solid rgba(168, 216, 234, 0.3); /* --slide-accent at 30% */
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  margin: 1.5rem 0;
}

.slide-highlight strong {
  color: var(--slide-accent);
}

/* --- Comparison (side-by-side) --- */
.slide-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  width: 100%;
}

.slide-compare__col {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.slide-compare__col h4 {
  color: var(--slide-accent);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  margin-top: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Slide Controls --- */
.slide-controls {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  z-index: 10;
}

.slide-controls button {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #ccc;
  padding: 0.5rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.slide-controls button:hover {
  background: rgba(255,255,255,0.2);
}

.slide-counter {
  color: #666;
  font-size: 0.9rem;
  font-family: var(--font-mono);
}

/* --- Progress Bar --- */
.slide-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--slide-accent);
  transition: width 0.3s ease;
  z-index: 11;
}

/* --- Presenter Notes --- */
.slide-notes {
  display: none;
  position: fixed;
  bottom: 4rem;
  left: 2rem;
  right: 2rem;
  background: rgba(0,0,0,0.9);
  border: 1px solid #333;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  color: #aaa;
  font-size: 0.9rem;
  font-family: var(--font-ui);
  line-height: 1.5;
  max-height: 30vh;
  overflow-y: auto;
  z-index: 20;
}

.slide-notes.visible {
  display: block;
}

/* --- Slide Number Badge --- */
.slide-badge {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  font-size: 0.8rem;
  color: #555;
  font-family: var(--font-mono);
}

/* --- Slide Topic Indicator --- */
.slide-topic {
  position: absolute;
  top: 1.5rem;
  left: 2rem;
  font-size: 0.8rem;
  color: #555;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- Fullscreen hint --- */
.fullscreen-hint {
  position: fixed;
  bottom: 4rem;
  right: 2rem;
  font-size: 0.75rem;
  color: #444;
  z-index: 5;
}

/* --- Slide BEM Sub-Elements (used in Units 01, 05, 06) --- */
.slide__content {
  max-width: 50ch;
}

.slide--title .slide__content {
  max-width: none;
}

.slide__unit-number {
  display: block;
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slide-accent);
  margin-bottom: 0.5rem;
}

.slide__subtitle {
  font-size: clamp(1rem, 1.8vw, 1.4rem);
  color: #a8a8a8;
  font-style: italic;
  margin-top: 0.5rem;
}

.slide__table {
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(0.9rem, 1.5vw, 1.2rem);
  margin: 1rem 0;
}

.slide__table th,
.slide__table td {
  padding: 0.5rem 1rem;
  text-align: left;
  border-bottom: 1px solid #333;
}

.slide__table th {
  color: var(--slide-accent);
  font-weight: 600;
}

/* --- Responsive Slides --- */
@media (max-width: 768px) {
  .slide {
    padding: 2rem;
  }

  .slide--split {
    flex-direction: column;
    gap: 2rem;
  }

  .slide-compare {
    grid-template-columns: 1fr;
  }

  .slide-controls {
    padding: 0.5rem 1rem;
  }
}