/* Modern UI Design Tokens & Theme Variables */
:root {
  --bg: #f7f7f5;
  --card: #ffffff;
  --ink: #182c33;
  --muted: #61726f;
  --line: #d8e0d9;
  --green: #2d8a05;
  --mint: #dcefe1;
  --blue: #e1eef0;
  --yellow: #f4eac8;
  --red: #f8ded9;
  --red-ink: #701a11;
  --shadow: 0 18px 50px rgba(23, 59, 43, 0.08);
  --radius: 18px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

:root[data-theme=dark] {
  --bg: #15242a;
  --card: #1e343a;
  --ink: #e9f3f0;
  --muted: #b7c9c5;
  --line: #416168;
  --mint: #244b42;
  --blue: #23444e;
  --yellow: #4f4528;
  --red: #4a2723;
  --red-ink: #ffb4ab;
  --shadow: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #15242a;
    --card: #1e343a;
    --ink: #e9f3f0;
    --muted: #b7c9c5;
    --line: #416168;
    --mint: #244b42;
    --blue: #23444e;
    --yellow: #4f4528;
    --red: #4a2723;
    --red-ink: #ffb4ab;
    --shadow: none;
  }
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: #17282d;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow: hidden;
  height: 100%;
}

/* The Slide Deck Stage (16:9 ratio locked) */
.deck {
  width: min(100vw, 177.78vh);
  height: min(56.25vw, 100vh);
  min-height: 500px;
  margin: auto;
  position: absolute;
  top: 0; bottom: 0; left: 0; right: 0;
  overflow: hidden;
  background: var(--bg);
  box-shadow: 0 25px 70px rgba(0,0,0,0.4);
  container-type: size;
}

/* Individual Slide Structure */
.slide {
  display: none;
  position: relative;
  width: 100%;
  height: 100%;
  padding: 4.5% 6.5% 6%;
  background: var(--bg);
  color: var(--ink);
}

.slide.active {
  display: flex;
  flex-direction: column;
  animation: slide-in 0.36s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Animations */
@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateX(1.5%);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .slide.active {
    animation: none;
  }
}

/* Slide Header */
.slide-top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.5%;
  margin-bottom: 2%;
  flex-shrink: 0;
}

.kicker {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--green);
  font-weight: 800;
  text-transform: uppercase;
}

.slide-title {
  margin: 0;
  font-size: clamp(1.2rem, 2.3cqw, 3.2rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
  font-weight: 800;
}

.brand {
  justify-self: end;
  max-width: 90px;
  max-height: 38px;
  object-fit: contain;
}

/* Main Content Area */
.content {
  flex-grow: 1;
  display: grid;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.content.two {
  grid-template-columns: 1.05fr 0.95fr;
  gap: 6%;
}

.content.hero {
  grid-template-columns: 1.15fr 0.85fr;
  gap: 5%;
}

/* Typography elements */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--green);
  margin: 0 0 0.6rem;
  text-transform: uppercase;
}

.display {
  font-size: clamp(1.8rem, 4cqw, 5.2rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin: 0.1em 0 0.3em;
  font-weight: 800;
}

.display em, h2 em, h1 em {
  font-family: Georgia, serif;
  font-weight: 400;
  font-style: italic;
}

.lede {
  font-size: clamp(0.95rem, 1.35cqw, 2.2rem);
  line-height: 1.45;
  color: var(--muted);
  margin-top: 0;
}

.quote {
  font: clamp(1.4rem, 2.5cqw, 3.6rem)/1.15 Georgia, serif;
  font-style: italic;
  max-width: 32ch;
  margin: 0;
  color: var(--ink);
}

/* Cards & Lists */
.card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.facts {
  display: grid;
  gap: 0.85rem;
}

.fact {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.fact-title {
  font-weight: 750;
  margin-bottom: 0.15rem;
  display: block;
  font-size: clamp(0.92rem, 1.15cqw, 1.8rem);
}

.fact-text {
  font-size: clamp(0.82rem, 0.95cqw, 1.4rem);
  color: var(--muted);
  line-height: 1.35;
}

.icon {
  width: 2.2rem;
  height: 2.2rem;
  flex: 0 0 2.2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--mint);
  color: var(--green);
  font-weight: 800;
  font-size: 0.95rem;
}

/* Media Framework */
.media-frame {
  height: 100%;
  max-height: 52cqh;
  overflow: hidden;
  border-radius: var(--radius);
  background: #e9eee9;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  position: relative;
}

.media-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: var(--crop-x, 50%) var(--crop-y, 50%);
  transform: scale(var(--crop-scale, 1));
  transform-origin: center;
  transition: transform 0.3s ease;
}

.media-frame.contain {
  background: transparent;
  border: none;
  box-shadow: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

.media-frame.contain img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform: none;
  background: var(--bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

/* Interactive Components & Choices */
.choice-row, .action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.2rem 0 0.8rem;
}

.choice-row button, .action-row button {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  padding: 0.65rem 0.95rem;
  color: var(--ink);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0,0,0,0.03);
  transition: var(--transition);
}

.choice-row button:hover, .choice-row button:focus,
.action-row button:hover, .action-row button:focus {
  background: var(--mint);
  border-color: var(--green);
  outline: none;
  transform: translateY(-1px);
}

.choice-row button.selected {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

.answer {
  min-height: 2.8em;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1.4;
  margin-top: 0.8rem;
  background: var(--mint);
  padding: 0.6rem 0.9rem;
  border-radius: 10px;
  border-left: 4px solid var(--green);
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.answer.visible {
  opacity: 1;
  transform: none;
}

/* Cover Slide specific overrides */
.cover-slide {
  padding: 0;
  position: relative;
}

.cover-slide.active {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
}

.cover-image {
  grid-area: 1 / 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cover-overlay {
  grid-area: 1 / 1;
  z-index: 2;
  background: linear-gradient(90deg, rgba(21, 36, 42, 0.95) 30%, rgba(21, 36, 42, 0.5) 70%, rgba(21, 36, 42, 0.2) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8% 10%;
  color: #eff9f7;
}

.cover-overlay h1 {
  font-size: clamp(2.5rem, 5.5cqw, 6.2rem);
  line-height: 1.05;
  letter-spacing: -0.06em;
  margin: 0.1em 0 0.25em;
  font-weight: 900;
}

.cover-subtitle {
  font-size: clamp(1.1rem, 1.8cqw, 2.6rem);
  color: #b7c9c5;
  margin: 0 0 1.8rem;
  font-weight: 400;
}

.cover-meta {
  display: flex;
  gap: 1.8rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: #8fa5a0;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.2rem;
  margin-top: 1rem;
}

.cover-brand {
  position: absolute;
  top: 5.2%;
  right: 8%;
  max-width: 120px;
  max-height: 50px;
  object-fit: contain;
  z-index: 3;
}

.cover-index {
  position: absolute;
  left: 8%;
  bottom: 2.8%;
  font-size: 0.8rem;
  color: #8fa5a0;
  z-index: 3;
}

/* Question Slide */
.question-slide {
  padding: 0;
  position: relative;
}

.question-slide.active {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
}

.question-overlay {
  grid-area: 1 / 1;
  z-index: 2;
  background: rgba(21, 36, 42, 0.9);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8% 12%;
  color: #eff9f7;
}

.question-overlay h1 {
  font-size: clamp(1.8rem, 3.5cqw, 4.8rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0.2em 0 0.6em;
}

.question-overlay p {
  font-size: clamp(1rem, 1.5cqw, 2.2rem);
  color: #b7c9c5;
  line-height: 1.45;
  max-width: 44rem;
}

/* Timelines and lists */
.timeline {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 1.2rem 0;
}

.timeline span {
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  background: var(--mint);
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 750;
  border: 1px solid var(--line);
}

.timeline span:last-child {
  background: var(--green);
  color: #fff;
}

/* Multi-Agent Orchestration Flow / Steps */
.agent-flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 0.8rem;
}

.agent-step {
  padding: 1.2rem;
  border-radius: var(--radius);
  background: var(--blue);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.agent-step span {
  display: block;
  font-size: clamp(1.1rem, 1.4cqw, 2.2rem);
  font-weight: 900;
  color: var(--green);
  margin-bottom: 0.4rem;
}

.agent-step h3 {
  margin: 0 0 0.35rem;
  font-size: clamp(0.95rem, 1.1cqw, 1.8rem);
  font-weight: 800;
}

.agent-step p {
  margin: 0;
  font-size: clamp(0.8rem, 0.9cqw, 1.4rem);
  line-height: 1.35;
  color: var(--muted);
}

/* Quiz layout */
.quiz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  align-items: start;
}

.quiz-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.quiz-card span {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--green);
  margin-bottom: 0.5rem;
}

.quiz-card h2 {
  font-size: clamp(0.9rem, 1cqw, 1.6rem);
  line-height: 1.3;
  margin: 0 0 1rem;
  font-weight: 750;
  height: 2.8em;
  overflow: hidden;
}

.quiz-card .choice-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin: 0 0 0.5rem;
}

.quiz-card .choice-row button {
  width: 100%;
  text-align: left;
  padding: 0.55rem 0.75rem;
  font-size: clamp(0.78rem, 0.88cqw, 1.4rem);
}

.quiz-card .answer {
  min-height: 4em;
  font-size: clamp(0.78rem, 0.88cqw, 1.4rem);
  padding: 0.5rem 0.7rem;
  margin-top: 0.4rem;
}

/* Takeaway grid */
.takeaway-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 0.8rem;
}

.takeaway-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.takeaway-card span {
  display: block;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--green);
  margin-bottom: 0.6rem;
}

.takeaway-card h3 {
  margin: 0 0 0.45rem;
  font-size: clamp(0.95rem, 1.15cqw, 1.8rem);
  font-weight: 800;
}

.takeaway-card p {
  margin: 0;
  font-size: clamp(0.82rem, 0.92cqw, 1.5rem);
  line-height: 1.4;
  color: var(--muted);
}

.final-prompt-box {
  background: var(--yellow);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1.2rem;
  margin-top: 1.2rem;
  font-weight: 700;
  font-size: clamp(0.88rem, 0.98cqw, 1.6rem);
  text-align: center;
  color: var(--ink);
}

/* Interactive Slider Element */
.slider-container {
  margin-top: 1.2rem;
  padding: 1rem;
  border-radius: 12px;
  background: var(--blue);
  border: 1px solid var(--line);
}

.slider-label {
  display: flex;
  justify-content: space-between;
  font-weight: 750;
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
}

.slider-input {
  width: 100%;
  accent-color: var(--green);
  cursor: pointer;
}

/* Footer elements */
.presenter {
  position: absolute;
  left: 6.5%;
  bottom: 2.8%;
  font-size: 0.72rem;
  font-weight: 750;
  color: var(--muted);
}

.slide-sources {
  position: absolute;
  right: 6.5%;
  bottom: 2.8%;
  font-size: 0.68rem;
  color: var(--muted);
}

.slide-sources a {
  color: #216650;
  text-decoration: none;
  font-weight: 800;
}

.slide-sources a:hover {
  text-decoration: underline;
}

/* Navigation Overlays (Desktop view only, offline controller) */
.navigation {
  position: fixed;
  z-index: 10;
  right: 16px;
  bottom: 15px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(24, 44, 51, 0.9);
  padding: 4px 8px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.1);
}

.navigation button {
  padding: 0.45rem 0.7rem;
  border: 0;
  background: transparent;
  color: #fff;
  font-weight: 800;
  cursor: pointer;
  border-radius: 6px;
  font-size: 0.85rem;
  transition: background 0.2s;
}

.navigation button:hover {
  background: rgba(255, 255, 255, 0.15);
}

.navigation span {
  min-width: 45px;
  text-align: center;
  font-size: 0.78rem;
  color: #eff9f7;
  font-weight: 600;
}

.progress {
  position: fixed;
  z-index: 10;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.15);
}

.progress span {
  display: block;
  width: 0%;
  height: 100%;
  background: #8ed19b;
  transition: width 0.25s ease-out;
}

/* Responsive Scaling for smaller screens */
@media (max-width: 720px) {
  .deck {
    width: 100vw;
    height: 100svh;
    min-height: 0;
    position: relative;
    box-shadow: none;
  }
  
  .slide {
    padding: 6% 6% 12%;
  }
  
  .slide-top {
    grid-template-columns: 1fr auto;
  }
  
  .slide-top .kicker {
    display: none;
  }
  
  .content.two, .content.hero {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .media-frame {
    height: 25vh;
  }
  
  .display {
    font-size: clamp(1.6rem, 8vw, 2.5rem);
  }
  
  .agent-flow-grid, .quiz-grid, .takeaway-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
    overflow-y: auto;
    max-height: 60vh;
  }
  
  .slide-sources {
    bottom: 5%;
    right: 6%;
  }
  
  .presenter {
    left: 6%;
    bottom: 5%;
  }
}

/* Glossary Layout */
.glossary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem 1.8rem;
  align-items: start;
  margin-top: 0.5rem;
}

.glossary-item {
  border-left: 3px solid var(--green);
  padding-left: 0.85rem;
  margin-bottom: 0.2rem;
}

.glossary-item h3 {
  margin: 0 0 0.15rem;
  font-size: clamp(0.95rem, 1.15cqw, 1.6rem);
  font-weight: 800;
  color: var(--ink);
}

.glossary-item p {
  margin: 0;
  font-size: clamp(0.8rem, 0.9cqw, 1.35rem);
  line-height: 1.35;
  color: var(--muted);
}

/* Print Styles (Strictly enforced Helfer-Ansicht) */
@media print {
  @page {
    size: 16in 9in;
    margin: 0;
  }

  html, body {
    background: #fff;
    overflow: visible;
    height: auto;
  }
  
  .deck {
    position: static;
    width: 16in;
    height: auto;
    box-shadow: none;
    overflow: visible;
  }
  
  .slide {
    display: block !important;
    break-after: page;
    page-break-after: always;
    width: 16in;
    height: 9in;
    background: #fff !important;
    color: #111 !important;
    border: none;
    box-shadow: none;
    padding: 4.5% 6.5% 6%;
    box-sizing: border-box;
    position: relative;
  }

  .media-frame {
    max-height: 4.8in !important;
  }
  
  .slide:last-child {
    break-after: auto;
    page-break-after: auto;
  }
  
  .navigation, .progress {
    display: none !important;
  }
  
  .choice-row button, .action-row button, .slider-container {
    display: none !important;
  }
  
  .answer {
    opacity: 1 !important;
    transform: none !important;
    background: #f0f0f0 !important;
    border-color: #333 !important;
    color: #111 !important;
  }
  
  .slide-sources, .presenter {
    color: #333 !important;
    position: absolute;
  }
  
  .slide-sources a {
    color: #111 !important;
    text-decoration: underline !important;
  }
  
  .card, .agent-step, .quiz-card, .takeaway-card {
    box-shadow: none !important;
    border: 1px solid #aaa !important;
    background: #fff !important;
    color: #111 !important;
  }
}