:root {
  --navy:        #0d1b2a;
  --navy-mid:    #111827;
  --navy-light:  #1a2235;
  --gold:        #c9a84c;
  --gold-dim:    #7a6230;
  --teal:        #2dd4bf;
  --teal-dim:    #0f766e;
  --cream:       #e8e0d0;
  --cream-dim:   #a09880;
  --white:       #ffffff;
  --danger:      #ef4444;
  --success:     #22c55e;
  --clear:       transparent;
  --glass:       color-mix(in srgb, var(--white) 7%, var(--clear));
  --glass-strong: color-mix(in srgb, var(--white) 12%, var(--clear));
  --gold-soft:   color-mix(in srgb, var(--gold) 18%, var(--clear));
  --gold-line:   color-mix(in srgb, var(--gold) 38%, var(--clear));
  --teal-soft:   color-mix(in srgb, var(--teal) 16%, var(--clear));
  --teal-line:   color-mix(in srgb, var(--teal) 34%, var(--clear));
  --danger-soft: color-mix(in srgb, var(--danger) 15%, var(--clear));
  --success-soft: color-mix(in srgb, var(--success) 15%, var(--clear));

  --font-display: 'Changa', sans-serif;
  --font-body:    'IBM Plex Sans Arabic', sans-serif;

  --slide-w: min(1280px, 98vw);
  --slide-h: min(720px, 90vh);
  --radius:  18px;
  --border:  rgba(201,168,76,0.18);
  --card:    rgba(8,17,29,0.82);
}

@media (min-width: 1920px) {
  :root {
    --slide-w: min(1920px, 85vw);
    --slide-h: min(900px, 82vh);
  }
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--navy);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  cursor: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: none;
  border: none;
  background: none;
}

img, video {
  display: block;
  max-width: 100%;
}

#bg-canvas,
#cursor-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#bg-canvas     { z-index: 0; opacity: 0.68; }
#cursor-canvas { z-index: 1000; }

#slide-counter {
  position: fixed;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 10;
}

#current-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}

#total-num {
  font-size: 0.82rem;
  color: var(--cream-dim);
  letter-spacing: 0.05em;
}

#progress-line {
  width: 2px;
  height: 72px;
  background: rgba(201,168,76,0.12);
  border-radius: 2px;
  overflow: hidden;
}

#progress-fill {
  width: 100%;
  height: 9%;
  background: linear-gradient(to bottom, var(--teal), var(--gold));
  border-radius: 2px;
  transition: height 0.55s ease;
}

#stage {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px 88px;
}

#deck {
  position: relative;
  width: var(--slide-w);
  height: var(--slide-h);
}

.slide {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(0,201,212,0.08), transparent 34%),
    linear-gradient(135deg, rgba(255,255,255,0.045), rgba(255,255,255,0.01) 42%),
    var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow:
    0 2px 0 rgba(201,168,76,0.08) inset,
    0 22px 54px rgba(0,0,0,0.48),
    0 0 0 1px rgba(201,168,76,0.04);
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}

.slide::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(201,168,76,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 5;
}

.slide.exit-next,
.slide.exit-prev,
.slide.enter-next,
.slide.enter-prev {
  box-shadow: none !important;
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.slide.exit-next {
  animation: archExitNext 0.62s linear forwards;
  z-index: 4;
  pointer-events: none;
}
.slide.enter-next {
  animation: archEnterNext 0.62s linear forwards;
  z-index: 6;
  pointer-events: none;
}
.slide.exit-prev {
  animation: archExitPrev 0.62s linear forwards;
  z-index: 4;
  pointer-events: none;
}
.slide.enter-prev {
  animation: archEnterPrev 0.62s linear forwards;
  z-index: 6;
  pointer-events: none;
}

@keyframes archExitNext {
  0%   { transform: scale(1)    translate(0,       0)      rotate(0deg);  opacity: 1;    }
  20%  { transform: scale(0.88) translate(25.9vw,  3.4vw)  rotate(18deg); opacity: 0.85; }
  40%  { transform: scale(0.76) translate(50vw,    13.4vw) rotate(36deg); opacity: 0.65; }
  60%  { transform: scale(0.64) translate(70.7vw,  29.3vw) rotate(54deg); opacity: 0.42; }
  80%  { transform: scale(0.53) translate(86.6vw,  50vw)   rotate(72deg); opacity: 0.18; }
  100% { transform: scale(0.45) translate(96.6vw,  74.1vw) rotate(90deg); opacity: 0;    }
}
@keyframes archEnterNext {
  0%   { transform: scale(0.45) translate(-96.6vw, 74.1vw) rotate(-90deg); opacity: 0;    }
  20%  { transform: scale(0.53) translate(-86.6vw, 50vw)   rotate(-72deg); opacity: 0.18; }
  40%  { transform: scale(0.64) translate(-70.7vw, 29.3vw) rotate(-54deg); opacity: 0.42; }
  60%  { transform: scale(0.76) translate(-50vw,   13.4vw) rotate(-36deg); opacity: 0.65; }
  80%  { transform: scale(0.88) translate(-25.9vw, 3.4vw)  rotate(-18deg); opacity: 0.85; }
  100% { transform: scale(1)    translate(0,        0)      rotate(0deg);   opacity: 1;    }
}
@keyframes archExitPrev {
  0%   { transform: scale(1)    translate(0,        0)       rotate(0deg);   opacity: 1;    }
  20%  { transform: scale(0.88) translate(-25.9vw,  3.4vw)  rotate(-18deg); opacity: 0.85; }
  40%  { transform: scale(0.76) translate(-50vw,    13.4vw) rotate(-36deg); opacity: 0.65; }
  60%  { transform: scale(0.64) translate(-70.7vw,  29.3vw) rotate(-54deg); opacity: 0.42; }
  80%  { transform: scale(0.53) translate(-86.6vw,  50vw)   rotate(-72deg); opacity: 0.18; }
  100% { transform: scale(0.45) translate(-96.6vw,  74.1vw) rotate(-90deg); opacity: 0;    }
}
@keyframes archEnterPrev {
  0%   { transform: scale(0.45) translate(96.6vw,  74.1vw) rotate(90deg);  opacity: 0;    }
  20%  { transform: scale(0.53) translate(86.6vw,  50vw)   rotate(72deg);  opacity: 0.18; }
  40%  { transform: scale(0.64) translate(70.7vw,  29.3vw) rotate(54deg);  opacity: 0.42; }
  60%  { transform: scale(0.76) translate(50vw,    13.4vw) rotate(36deg);  opacity: 0.65; }
  80%  { transform: scale(0.88) translate(25.9vw,  3.4vw)  rotate(18deg);  opacity: 0.85; }
  100% { transform: scale(1)    translate(0,        0)      rotate(0deg);   opacity: 1;    }
}

.slide-inner {
  height: 100%;
  padding: 36px 52px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
}

.slide-placeholder {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold);
  text-align: center;
  margin: auto;
}

#slide-nav {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 18px;
  z-index: 10;
}

#btn-prev,
#btn-next {
  font-family: var(--font-body);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  min-width: 7.5rem;
  padding: 9px 20px;
  background: rgba(10,20,34,0.85);
  border: 1px solid var(--border);
  border-radius: 28px;
  color: var(--cream);
  font-size: 0.84rem;
  cursor: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

#btn-prev:hover:not(:disabled),
#btn-next:hover:not(:disabled) {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}

#btn-prev:disabled,
#btn-next:disabled {
  opacity: 0.28;
}

#dot-track {
  display: flex;
  gap: 6px;
  align-items: center;
}

.nav-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  cursor: none;
  background: rgba(201,168,76,0.22);
  transition: width 0.25s, background 0.25s, border-radius 0.25s;
  position: relative;
}

.nav-dot.active {
  background: var(--gold);
  width: 18px;
  border-radius: 3px;
}

#scroll-bar-wrap {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 7px;
  background: rgba(201,168,76,0.1);
  z-index: 200;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

#scroll-bar-wrap.visible {
  opacity: 1;
}

#scroll-bar-fill {
  position: absolute;
  top: 0;
  height: 100%;
  width: 0%;
  transition: width 0.08s linear;
}

#scroll-bar-wrap:not(.dir-prev) #scroll-bar-fill {
  right: 0;
  left: auto;
  background: linear-gradient(270deg, var(--teal), var(--gold));
  border-radius: 2px 0 0 2px;
}

#scroll-bar-wrap.dir-prev #scroll-bar-fill {
  left: 0;
  right: auto;
  background: linear-gradient(90deg, var(--teal), var(--gold));
  border-radius: 0 2px 2px 0;
}

.slide-eyebrow {
  font-family: var(--font-body);
  font-size: 0.875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
}
.cover-eyebrow {
  font-size: 0.72rem;
  opacity: 0.7;
  margin-bottom: 0.3rem;
}

.slide-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  font-weight: 800;
  color: var(--cream);
  line-height: 1.28;
}

.deep-dive-btn {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding: 7px 20px;
  background: transparent;
  border: 1px solid var(--teal);
  border-radius: 22px;
  color: var(--teal);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: none;
  letter-spacing: 0.06em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.deep-dive-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--navy);
}

#deep-dive-overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  pointer-events: none;
  transition: visibility 0s 0.5s;
}
#deep-dive-overlay.open {
  visibility: visible;
  pointer-events: all;
  transition: visibility 0s;
}
.dd-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4,10,20,0.92);
  opacity: 0;
  transition: opacity 0.38s ease;
}
#deep-dive-overlay.open .dd-backdrop { opacity: 1; }
.dd-panel {
  position: relative;
  z-index: 1;
  width: min(860px, 92vw);
  max-height: 82vh;
  background: linear-gradient(140deg, rgba(0,201,212,0.05) 0%, rgba(8,17,29,0.97) 35%, rgba(201,168,76,0.03) 100%);
  border: 1px solid rgba(201,168,76,0.22);
  border-radius: 22px;
  overflow: hidden;
  transform: scale(0.86) translateY(22px);
  opacity: 0;
  transition: transform 0.48s cubic-bezier(0.34,1.56,0.64,1), opacity 0.32s ease;
}
#deep-dive-overlay.open .dd-panel {
  transform: scale(1) translateY(0);
  opacity: 1;
}
.dd-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--teal), transparent);
}
.dd-panel-inner {
  padding: 36px 44px 40px;
  overflow-y: auto;
  max-height: 82vh;
  scrollbar-width: thin;
  scrollbar-color: rgba(201,168,76,0.28) transparent;
}
.dd-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}
.dd-eyebrow {
  font-family: var(--font-display);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  line-height: 1.6;
}
.dd-close {
  font-family: var(--font-display);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: transparent;
  border: 1px solid rgba(201,168,76,0.22);
  border-radius: 16px;
  color: var(--cream-dim);
  font-size: 0.7rem;
  cursor: none;
  flex-shrink: 0;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.dd-close span {
  font-family: var(--font-display);
  font-size: 0.56rem;
  padding: 1px 5px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  color: rgba(255,255,255,0.38);
  letter-spacing: 0.1em;
}
.dd-close:hover {
  background: var(--gold-dim);
  border-color: var(--gold);
  color: var(--cream);
}
.dd-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  font-weight: 800;
  color: var(--cream);
  line-height: 1.25;
  margin-bottom: 26px;
}
.dd-content {
  display: grid;
  grid-template-columns: 1fr 1.55fr;
  gap: 28px;
  align-items: start;
}
.dd-facts-col {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.dd-fact {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  padding: 11px 13px;
  background: rgba(0,201,212,0.05);
  border: 1px solid rgba(0,201,212,0.13);
  border-radius: 10px;
  transition: border-color 0.2s, background 0.2s;
}
.dd-fact:hover {
  border-color: rgba(0,201,212,0.25);
  background: rgba(0,201,212,0.09);
}
.dd-fact-num {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1.65;
  min-width: 22px;
  flex-shrink: 0;
}
.dd-fact-text {
  font-family: var(--font-body);
  font-size: 0.77rem;
  color: var(--cream-dim);
  line-height: 1.65;
}
.dd-text-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.dd-text-col p {
  font-family: var(--font-body);
  font-size: 0.83rem;
  color: var(--cream-dim);
  line-height: 1.9;
}
.dd-text-col p strong {
  color: var(--gold);
  font-weight: 700;
}

.test-btn {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding: 7px 20px;
  background: transparent;
  border: 1px solid var(--gold);
  border-radius: 22px;
  color: var(--gold);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: none;
  letter-spacing: 0.06em;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.test-btn:hover:not(:disabled) { background: var(--gold); border-color: var(--gold); color: var(--navy); }
.test-btn:disabled { opacity: 0.35; }

.card-wrap {
  width: 100%;
  height: 100%;
}
.card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.68s cubic-bezier(0.4, 0, 0.2, 1);
  transform: perspective(1400px) rotateY(0deg);
}
.card.flipped {
  transform: perspective(1400px) rotateY(-180deg);
}
.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
  border-radius: var(--radius);
}
.card-back {
  transform: rotateY(180deg);
  background: linear-gradient(140deg, rgba(0,201,212,0.06) 0%, rgba(201,168,76,0.025) 100%);
  border: 1px solid rgba(0,201,212,0.12);
}
.btn-back {
  font-family: var(--font-body);
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding: 6px 18px;
  background: transparent;
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: 20px;
  color: var(--cream-dim);
  font-size: 0.76rem;
  cursor: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-back:hover {
  background: var(--gold-dim);
  border-color: var(--gold);
  color: var(--cream);
}

.back-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
}

.slide-inner--cover {
  justify-content: space-between;
  padding: 40px 60px;
  background: linear-gradient(160deg, rgba(0,201,212,0.04) 0%, transparent 50%);
}
.cover-top {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
}
.cover-top-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: right;
}
.cover-uni-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cream);
}
.cover-faculty {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--cream-dim);
}
.cover-semester {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--teal);
  letter-spacing: 0.06em;
}
.cover-course {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--gold);
  letter-spacing: 0.04em;
}
.cover-logo {
  height: 100px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}
.cover-center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.cover-topic-label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cream-dim);
}
.cover-topic {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  font-weight: 800;
  color: var(--gold);
  line-height: 1.2;
}
.cover-divider {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--gold));
  border-radius: 2px;
  margin: 6px auto;
}
.cover-teacher-inline {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
}
.cover-teacher-inline .cover-role-label {
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
}
.cover-teacher-inline .cover-name {
  font-family: var(--font-body);
  font-size: 1.25rem;
  color: var(--cream);
  font-weight: 700;
}
.cover-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.cover-students {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
}
.cover-role-label {
  font-family: var(--font-body);
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}
.cover-student-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  row-gap: 8px;
  column-gap: 24px;
  width: 100%;
}

.cover-student-list .student-row:last-child:nth-child(3n+1) {
  grid-column: 2;
}
.student-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 5px 14px;
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 6px;
  background: rgba(201,168,76,0.05);
}
.student-row .s-name {
  flex: 0 0 auto;
  font-size: 0.82rem;
  color: var(--cream);
  font-weight: 600;
}
.student-row .s-id {
  flex: 0 0 auto;
  font-size: 0.84rem;
  color: var(--teal);
  font-family: monospace, var(--font-body);
  letter-spacing: 0.03em;
}
.student-row .s-cls {
  flex: 0 0 auto;
  font-size: 0.82rem;
  color: var(--gold);
  font-weight: 700;
}
.student-row .s-sep {
  flex: 0 0 auto;
  color: rgba(201,168,76,0.35);
  font-size: 0.75rem;
}

.layout-header,
.models-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.layout-header .slide-title,
.models-header .slide-title {
  max-width: 42rem;
}

.placeholder-panel,
.media-skeleton,
.diffusion-step,
.gan-side,
.llm-stack > div,
.tool-list > span,
.dev-cards > div,
.model-card,
.scale-pan,
.ethics-cards > div,
.quiz-question,
.answer-grid > div {
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, var(--glass), var(--clear)),
    color-mix(in srgb, var(--navy-mid) 72%, var(--clear));
  box-shadow: inset 0 0 0 1px var(--glass), 0 18px 44px color-mix(in srgb, var(--navy) 54%, var(--clear));
}

.text-placeholder {
  width: 78%;
  height: 0.72rem;
  border-radius: 999rem;
  background: linear-gradient(90deg, var(--gold-soft), var(--teal-soft), var(--gold-soft));
  opacity: 0.78;
}

.text-placeholder--wide { width: 100%; }
.text-placeholder--short { width: 42%; }

.placeholder-label,
.media-brief {
  font-size: 0.78rem;
  color: var(--cream-dim);
  font-weight: 700;
}

.action-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-block-start: auto;
}

.action-row--center {
  justify-content: center;
}

.action-row--end {
  justify-content: flex-end;
}

.audio-desc {
  width: 100%;
  margin-block-start: 0.75rem;
}

.action-row--spread {
  justify-content: space-between;
}

.quiz-footer .action-row {
  margin-block-start: 0;
}

.media-brief {
  position: absolute;
  inset-block-end: 0;
  inset-inline: 12%;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999rem;
  background: color-mix(in srgb, var(--navy-mid) 84%, var(--clear));
  text-align: center;
}

.mini-placeholder-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  width: 100%;
}

.mini-placeholder-grid span {
  min-height: 4.8rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: var(--glass);
}

.media-skeleton {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 12rem;
  border-radius: 0.85rem;
}

.media-skeleton::before {
  content: '';
  position: absolute;
  inset: -30%;
  background: linear-gradient(120deg, var(--clear), var(--teal-soft), var(--clear), var(--gold-soft), var(--clear));
  transform: rotate(8deg);
  animation: skeletonSweep 5.8s ease-in-out infinite;
}

.media-skeleton span {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--cream-dim);
}

.slide-inner--definition {
  display: grid;
  grid-template-columns: minmax(16rem, 0.95fr) minmax(18rem, 1.05fr);
  grid-template-rows: 1fr auto;
  align-items: stretch;
  gap: clamp(1rem, 3vw, 2.5rem) clamp(1.4rem, 4vw, 4rem);
  overflow: hidden;
}

.definition-action {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding-block-start: 0.25rem;
}

.genesis-orbit {
  position: relative;
  min-height: 34rem;
  display: grid;
  place-items: center;
}

.genesis-chart {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 100%;
  height: 100%;
  min-height: 30rem;
  padding-block: 1rem;
}
.gc-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}
.gc-stage-lbl {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-align: center;
  text-transform: uppercase;
}
.gc-prompt-card {
  width: 100%;
  max-width: 15rem;
  background: color-mix(in srgb, var(--navy-light) 70%, transparent);
  border: 1px solid var(--gold-line);
  border-radius: 0.75rem;
  padding: 0.8rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.gc-pc-header {
  display: flex;
  align-items: center;
  gap: 0.38rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--teal);
}
.gc-pc-icon { font-size: 0.68rem; }
.gc-pc-lines { display: flex; flex-direction: column; gap: 0.28rem; }
.gc-pcl {
  height: 0.45rem;
  border-radius: 4px;
  background: color-mix(in srgb, var(--cream-dim) 32%, transparent);
  width: 100%;
}
.gc-pcl--s { width: 55%; }
.gc-cursor {
  color: var(--teal);
  font-size: 0.82rem;
  animation: gcBlink 0.9s step-end infinite;
  align-self: flex-start;
}
@keyframes gcBlink { 50% { opacity: 0; } }
.gc-in-tags {
  display: flex;
  gap: 0.32rem;
  flex-wrap: wrap;
  justify-content: center;
}
.gc-in-tags span {
  font-size: 0.65rem;
  padding: 0.16rem 0.5rem;
  border: 1px solid var(--teal-line);
  border-radius: 999rem;
  color: var(--cream-dim);
}
.gc-flow-v {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  height: 2.4rem;
}
.gc-fv-track {
  flex: 1;
  width: 1px;
  background: linear-gradient(to bottom, var(--teal-line), var(--gold-line));
  position: relative;
  overflow: visible;
}
.gc-fv-dot {
  position: absolute;
  left: -3px;
  top: 0%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 7px var(--teal);
  animation: gcFlowV 1.5s ease-in-out infinite;
}
.gc-flow-v--2 .gc-fv-dot { animation-delay: 0.75s; }
@keyframes gcFlowV {
  0%   { top: 0%;   opacity: 0; }
  12%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
.gc-fv-tip {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 7px solid var(--gold);
  flex-shrink: 0;
}
.gc-model-vis {
  position: relative;
  width: clamp(6.5rem, 11vw, 8.5rem);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.gc-mv-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed;
}
.gc-mv-ring--o { inset: 0; border-color: var(--gold-line); animation: slowSpin 20s linear infinite; }
.gc-mv-ring--i { inset: 14%; border-color: var(--teal-line); animation: slowSpin 14s linear infinite reverse; }
.gc-mv-hub {
  position: relative;
  z-index: 2;
  width: 65%;
  aspect-ratio: 1;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.1rem;
  background: radial-gradient(circle, var(--teal-soft), var(--gold-soft), transparent);
  border: 1px solid var(--teal-line);
  box-shadow: 0 0 26px var(--teal-soft);
}
.gc-mv-spark {
  font-size: clamp(0.65rem, 1.2vw, 0.9rem);
  color: var(--teal);
  animation: logoPulse 2s ease infinite;
}
.gc-mv-name {
  font-family: var(--font-display);
  font-size: clamp(0.52rem, 0.95vw, 0.75rem);
  font-weight: 800;
  color: var(--cream);
  text-align: center;
  line-height: 1.2;
}
.gc-model-sub {
  font-size: 0.65rem;
  color: var(--cream-dim);
  text-align: center;
}
.gc-model-zone {
  display: flex;
  align-items: center;
  width: 100%;
}
.gc-mz-spacer {
  flex: 1;
}
.gc-train-side {
  flex: 1;
  display: flex;
  align-items: center;
}
.gc-train-arrow {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--teal-line), var(--gold-line));
  position: relative;
  align-self: center;
  min-width: 1.5rem;
  overflow: visible;
}
.gc-train-arrow::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 5px var(--teal);
  animation: gcFlowH 2s ease-in-out infinite;
}
.gc-train-arrow::after {
  content: '';
  position: absolute;
  right: -5px;
  top: -4px;
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid var(--gold);
}
@keyframes gcFlowH {
  0%   { left: 0%;   opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
.gc-train-box {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.22rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--teal-line);
  border-radius: 0.55rem;
  background: color-mix(in srgb, var(--teal-soft) 50%, transparent);
  text-align: center;
}
.gc-train-icon {
  display: inline-block;
  font-size: 1.15rem;
  color: var(--teal);
  line-height: 1;
  animation: gcSpin 3s linear infinite;
}
@keyframes gcSpin { to { transform: rotate(360deg); } }
.gc-train-name {
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.2;
}
.gc-train-sub {
  font-size: 0.56rem;
  color: var(--cream-dim);
}
.gc-out-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  width: 100%;
  max-width: 15rem;
}
.gc-out {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.7rem;
  border-radius: 0.45rem;
  border: 1px solid var(--gold-line);
  background: color-mix(in srgb, var(--navy-light) 72%, transparent);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cream);
  transition: border-color 0.22s, background 0.22s;
  animation: gcOutReveal 0.4s ease both;
  animation-delay: calc(var(--i) * 0.1s + 0.2s);
}
.gc-out-icon { color: var(--teal); font-size: 0.8em; flex-shrink: 0; }
@keyframes gcOutReveal {
  from { opacity: 0; transform: translateY(0.5rem); }
  to   { opacity: 1; transform: none; }
}
.gc-fan {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
.gc-fan-trunk {
  width: 1px;
  height: 1.6rem;
  background: linear-gradient(to bottom, var(--teal-line), var(--gold-line));
  position: relative;
}
.gc-fan-bus {
  width: calc(100% - 25%);
  height: 1px;
  background: linear-gradient(to left, var(--gold-line), var(--teal-line));
}
.gc-fan-cols {
  display: flex;
  gap: 0.35rem;
  width: calc(100% - 25%);
}
.gc-fan-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.gc-fan-branch {
  width: 1px;
  height: 1.1rem;
  background: linear-gradient(to bottom, var(--gold-line), var(--teal-line));
  position: relative;
}
.gc-fan-branch::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: -3.5px;
  width: 0; height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 5px solid var(--gold);
}
.gc-fb-dot {
  position: absolute;
  left: -3px;
  top: 0%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 5px var(--teal);
  animation: gcFlowV 1.5s ease-in-out infinite;
  animation-delay: calc(var(--i) * 0.14s + 0.9s);
}
.gc-fan-col .gc-out {
  width: 100%;
  justify-content: center;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.4rem 0.4rem;
  text-align: center;
}
.gc-fan-col .gc-out-icon { font-size: 1em; }

.orbit-core {
  position: relative;
  z-index: 3;
  width: clamp(9rem, 18vw, 13rem);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--teal-line);
  background: radial-gradient(circle, var(--teal-soft), var(--gold-soft), var(--clear));
  box-shadow: 0 0 52px var(--teal-soft);
}

.orbit-core-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}
.orbit-core-icon {
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  color: var(--teal);
  line-height: 1;
}
.orbit-core-label {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.2vw, 1.65rem);
  font-weight: 800;
  color: var(--cream);
  text-align: center;
  line-height: 1.25;
}

.orbit-ring {
  position: absolute;
  border: 1px dashed var(--gold-line);
  border-radius: 50%;
}

.orbit-ring--outer {
  width: min(25rem, 80%);
  aspect-ratio: 1;
  animation: slowSpin 24s linear infinite;
}

.orbit-ring--inner {
  width: min(18rem, 58%);
  aspect-ratio: 1;
  border-color: var(--teal-line);
  animation: slowSpin 18s linear infinite reverse;
}

.orbit-chip {
  position: absolute;
  z-index: 4;
  min-width: 5rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--gold-line);
  border-radius: 999rem;
  background: color-mix(in srgb, var(--navy-light) 88%, var(--clear));
  color: var(--cream);
  text-align: center;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
}
.orbit-chip-icon {
  color: var(--teal);
  font-size: 0.82em;
  flex-shrink: 0;
}

.orbit-chip--one { inset-block-start: 12%; inset-inline-start: 14%; }
.orbit-chip--two { inset-block-start: 18%; inset-inline-end: 8%; }
.orbit-chip--three { inset-block-end: 18%; inset-inline-start: 10%; }
.orbit-chip--four { inset-block-end: 12%; inset-inline-end: 18%; }

.definition-panel {
  min-height: 25rem;
  padding: clamp(1.2rem, 2.5vw, 2.4rem);
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.slide-inner--diffusion,
.slide-inner--gan,
.slide-inner--llm,
.slide-inner--audio,
.slide-inner--models,
.slide-inner--scale,
.slide-inner--ethics,
.slide-inner--quiz {
  overflow: hidden;
}

.slide-inner--future {
  overflow: hidden;
  justify-content: space-between;
}

.slide-inner--diffusion {
  gap: 44px;
}

.diffusion-lab {
  display: grid;
  grid-template-columns: repeat(5, minmax(6rem, 1fr));
  align-items: stretch;
  gap: 0.85rem;
}

.diffusion-step {
  min-height: clamp(10rem, 30vh, 18rem);
  border-radius: 1rem;
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.diffusion-step img {
  flex: 1;
  width: 100%;
  border-radius: 0.8rem;
  object-fit: cover;
  min-height: 0;
}

.diffusion-step--noise img { filter: contrast(1.1); }
.diffusion-step--rough img { filter: blur(0.14rem) brightness(0.95); }
.diffusion-step--shape img { filter: blur(0.05rem); }
.diffusion-step--detail img { filter: saturate(1.2); }

.diffusion-step strong {
  margin-top: 0.8rem;
  color: var(--cream-dim);
  text-align: center;
}

.diffusion-arrow {
  display: none;
}

.process-note {
  flex: 1;
  width: 100%;
  padding: 1.4rem 1.6rem;
  border-radius: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 0;
}

.process-note__dive {
  margin-top: auto;
  align-self: flex-end;
}

.process-note > span {
  color: var(--gold);
  font-weight: 700;
}

.gan-arena {
  flex: 1;
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: clamp(1rem, 3vw, 2.4rem);
}

.gan-side {
  border-radius: 1rem;
  padding: clamp(1.1rem, 2.5vw, 2rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.gan-side--generator {
  background:
    radial-gradient(circle at 70% 20%, var(--teal-soft), var(--clear) 36%),
    color-mix(in srgb, var(--navy-mid) 78%, var(--clear));
}

.gan-side--judge {
  background:
    radial-gradient(circle at 30% 20%, var(--gold-soft), var(--clear) 36%),
    color-mix(in srgb, var(--navy-mid) 78%, var(--clear));
}

.gan-icon {
  width: 4rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--gold-line);
  color: var(--gold);
  font-size: 1.6rem;
}

.gan-side h3,
.scale-pan h3 {
  font-family: var(--font-display);
  color: var(--cream);
  font-size: 1.2rem;
}

.gan-intro {
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--teal-line);
  border-inline-start: 3px solid var(--teal);
  border-radius: 0.6rem;
  background: color-mix(in srgb, var(--teal-soft) 35%, transparent);
  margin-bottom: 0.75rem;
}
.gan-meter-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.gan-meter-lbl {
  font-size: 0.7rem;
  color: var(--cream-dim);
  font-weight: 600;
}
.gan-meter {
  height: 0.72rem;
  border-radius: 999rem;
  background: var(--glass);
  overflow: hidden;
}

.gan-meter span {
  display: block;
  width: 64%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--gold));
}
.gan-meter--gold span {
  background: linear-gradient(90deg, var(--gold), var(--teal));
  width: 78%;
}

.gan-vs {
  align-self: center;
  width: 5.4rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--gold-line);
  background: var(--navy);
  color: var(--gold);
  font-family: var(--font-display);
  font-weight: 800;
  box-shadow: 0 0 36px var(--gold-soft);
}

.token-river {
  min-height: 11rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1rem;
  border-block: 1px solid var(--border);
  overflow: hidden;
}

.token-river span {
  flex: 0 0 auto;
  padding: 0.65rem 1.05rem;
  border: 1px solid var(--teal-line);
  border-radius: 0.75rem;
  background: var(--teal-soft);
  font-weight: 700;
  animation: tokenFloat 4s ease-in-out infinite;
}

.token-river span:nth-child(2n) {
  border-color: var(--gold-line);
  background: var(--gold-soft);
  color: var(--gold);
}

.llm-stack {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.llm-stack > div {
  border-radius: 1rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.llm-stack strong,
.tool-list b,
.dev-cards strong,
.model-card strong,
.ethics-cards strong {
  font-family: var(--font-display);
  color: var(--cream);
}

.llm-stack span,
.dev-cards span,
.model-card span {
  min-height: 0.72rem;
  border-radius: 999rem;
  background: var(--gold-soft);
}

.ethics-cards p {
  font-size: 0.74rem;
  color: var(--cream-dim);
  line-height: 1.45;
}

.slide-inner--image {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  overflow: hidden;
}

.image-stage {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 1rem;
  min-height: 100%;
}

.image-canvas {
  min-height: 25rem;
  border-radius: 1.1rem;
}

.prompt-strip {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  background: var(--glass);
}

.prompt-strip span {
  color: var(--gold);
  font-weight: 700;
  white-space: nowrap;
}

.image-console {
  padding: 1.2rem;
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tool-list,
.dev-cards {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.tool-list > span,
.dev-cards > div {
  min-height: 5.2rem;
  border-radius: 0.8rem;
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.tool-list small {
  color: var(--cream-dim);
}

.waveform-board {
  flex: 1;
  min-height: 19rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.35rem, 1vw, 0.8rem);
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background:
    linear-gradient(90deg, var(--clear), var(--teal-soft), var(--clear)),
    color-mix(in srgb, var(--navy-mid) 76%, var(--clear));
}

.waveform-board span {
  width: clamp(0.45rem, 1vw, 0.9rem);
  height: 22%;
  border-radius: 999rem;
  background: linear-gradient(180deg, var(--gold), var(--teal));
  animation: wavePulse 1.7s ease-in-out infinite;
}

.waveform-board span:nth-child(3n) { height: 68%; animation-delay: 0.18s; }
.waveform-board span:nth-child(3n + 1) { height: 42%; animation-delay: 0.32s; }
.waveform-board span:nth-child(4n) { height: 82%; animation-delay: 0.48s; }

.audio-explain-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.audio-explain-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  background: var(--glass);
  direction: rtl;
}

.audio-explain-icon { font-size: 1.3rem; }

.audio-explain-card strong {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--gold);
}

.audio-explain-card p {
  font-size: 0.72rem;
  color: var(--cream-dim);
  line-height: 1.6;
  margin: 0;
}

.tts-tools-links {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.tts-tool-link {
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999rem;
  color: var(--cream-dim);
  font-family: var(--font-body);
  font-size: 0.72rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
  cursor: none;
}
.tts-tool-link:hover { border-color: var(--teal); color: var(--teal); }

.stt-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 0;
}

.stt-transcript {
  flex: 1;
  position: relative;
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 1rem 1.2rem;
  background: var(--glass);
  overflow: hidden;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--cream);
  direction: rtl;
  min-height: 0;
}

.stt-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.stt-canvas--active { opacity: 0.55; }

.stt-placeholder { color: var(--cream-dim); font-size: 0.85rem; }

.stt-interim { color: var(--teal); opacity: 0.7; }

.stt-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.stt-lang-row {
  display: flex;
  gap: 0.4rem;
}

.stt-lang-btn {
  padding: 0.32rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999rem;
  background: transparent;
  color: var(--cream-dim);
  font-family: var(--font-body);
  font-size: 0.75rem;
  cursor: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.stt-lang-btn--active { border-color: var(--gold); color: var(--gold); background: var(--gold-soft); }

.stt-record-btn {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--teal);
  border-radius: 999rem;
  background: transparent;
  color: var(--teal);
  font-family: var(--font-body);
  font-size: 0.82rem;
  cursor: none;
  transition: background 0.2s, color 0.2s;
}
.stt-record-btn:hover { background: var(--teal); color: var(--navy); }
.stt-record-btn--active { background: var(--teal); color: var(--navy); }

.stt-record-dot {
  width: 0.52rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.stt-record-btn--active .stt-record-dot { animation: forgePulse 0.8s ease-in-out infinite; }

.stt-note {
  font-size: 0.68rem;
  color: var(--cream-dim);
  text-align: center;
  opacity: 0.6;
  margin: 0;
  direction: rtl;
}

.breath-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  min-height: 0;
}

.breath-core {
  position: relative;
  width: clamp(13rem, 28vw, 20rem);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.breath-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--teal-line);
  animation: breath-ring 4s ease-in-out infinite;
}
.breath-ring:nth-child(2) { inset: 8%;  border-color: var(--gold-line); animation-delay: 0.4s; }
.breath-ring:nth-child(3) { inset: 16%; border-color: var(--teal-line); animation-delay: 0.8s; }
.breath-ring:nth-child(4) { inset: 24%; border-color: var(--gold-line); animation-delay: 1.2s; }
.breath-ring:nth-child(5) { inset: 32%; animation-delay: 1.6s; }

@keyframes breath-ring {
  0%, 100% { transform: scale(1);    opacity: 0.35; }
  50%      { transform: scale(1.05); opacity: 0.88; }
}

#breath-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  opacity: 0.6;
}

.breath-label {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--cream);
  text-shadow: 0 0 28px var(--teal-soft);
}

.breath-controls {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}

.breath-mic-btn,
.breath-sample-btn {
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding: 7px 20px;
  background: transparent;
  border-radius: 22px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: none;
  letter-spacing: 0.06em;
  transition: background 0.2s, color 0.2s;
}

.breath-mic-btn {
  border: 1px solid var(--teal);
  color: var(--teal);
}
.breath-mic-btn:hover { background: var(--teal); border-color: var(--teal); color: var(--navy); }

.breath-sample-btn {
  border: 1px solid var(--gold);
  color: var(--gold);
}
.breath-sample-btn:hover { background: var(--gold); border-color: var(--gold); color: var(--navy); }

.audio-modes,
.video-tools,
.legend-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.audio-modes span,
.video-tools span,
.legend-row span {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999rem;
  background: var(--glass);
  color: var(--cream-dim);
  font-size: 0.82rem;
}

.slide-inner--video {
  display: grid;
  grid-template-rows: minmax(18rem, 1fr) auto;
  gap: 1rem;
  overflow: hidden;
}

.cinema-frame {
  display: grid;
  grid-template-rows: 1.6rem 1fr 1.6rem;
  gap: 0.6rem;
  min-height: 0;
}

.film-dots {
  border-block: 1px solid var(--border);
  background-image: radial-gradient(circle, var(--gold-line) 0.28rem, var(--clear) 0.3rem);
  background-size: 2rem 100%;
}

.cinema-middle {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.4rem;
  min-height: 0;
}

.video-text-block {
  flex: 0 0 22%;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.6rem;
}

.video-prompt-label {
  font-size: 0.68rem;
  color: var(--gold);
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.video-prompt-text {
  font-size: 0.7rem;
  color: var(--cream-dim);
  line-height: 1.65;
  direction: rtl;
  margin: 0;
  flex: 1;
  overflow-y: auto;
  direction: ltr;
  text-align: justify;
}

.video-gen-note {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: auto;
  padding-top: 0.5rem;
}

.video-gen-badge {
  font-size: 0.68rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999rem;
  border: 1px solid var(--teal-line);
  color: var(--teal);
  background: var(--teal-soft);
  white-space: nowrap;
}

.video-canvas {
  flex: 1;
  aspect-ratio: 16 / 9;
  min-height: 0;
  max-height: 100%;
  object-fit: cover;
  border-radius: 0.5rem;
}

.video-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.slide-inner--dev {
  display: grid;
  grid-template-columns: minmax(20rem, 1.5fr) minmax(11rem, 0.5fr);
  gap: 1.2rem;
  overflow: hidden;
}

.dev-video-slot {
  min-height: 100%;
  border-radius: 1rem;
  overflow: hidden;
}

.code-gen-input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.code-lang-row {
  display: flex;
  gap: 0.3rem;
  flex-shrink: 0;
}

.code-lang-btn {
  padding: 0.38rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  background: transparent;
  color: var(--cream-dim);
  font-family: var(--font-body);
  font-size: 0.75rem;
  cursor: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.code-lang-btn--active { border-color: var(--teal); color: var(--teal); background: var(--teal-soft); }

.code-output-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  overflow: hidden;
  min-height: 0;
}

.code-gen-status {
  font-size: 0.68rem;
  color: var(--cream-dim);
  margin-inline-start: auto;
  padding-inline-end: 0.5rem;
}

.code-output {
  flex: 1;
  margin: 0;
  padding: 1rem 1.2rem;
  overflow-y: auto;
  background: color-mix(in srgb, var(--navy) 88%, var(--clear));
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--teal);
  direction: ltr;
  text-align: left;
  white-space: pre;
  min-height: 0;
}

.dev-terminal {
  min-height: 100%;
  border: 1px solid var(--teal-line);
  border-radius: 1rem;
  background:
    linear-gradient(180deg, var(--teal-soft), var(--clear) 34%),
    color-mix(in srgb, var(--navy) 92%, var(--clear));
  overflow: hidden;
}

.terminal-bar {
  height: 2.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-inline: 1rem;
  border-bottom: 1px solid var(--teal-line);
  background: var(--glass);
}

.terminal-bar span {
  width: 0.72rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--gold-line);
}

.terminal-lines {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-family: var(--font-display);
  color: var(--teal);
}

.terminal-lines span {
  min-height: 1.1rem;
  border-radius: 999rem;
  background: linear-gradient(90deg, var(--teal-soft), var(--clear));
  color: var(--clear);
}

.terminal-lines strong {
  color: var(--gold);
  animation: cursorBlink 1s steps(2, end) infinite;
}

.dev-panel {
  padding: 0.6rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

.dev-panel .dev-cards {
  counter-reset: dev-line;
}

.dev-panel .dev-cards > div {
  counter-increment: dev-line;
  min-height: 0;
  border-radius: 0.5rem;
  padding: 0.55rem 0.75rem 0.55rem 0.5rem;
  background: color-mix(in srgb, var(--teal) 5%, transparent);
  border: none;
  border-inline-start: 2px solid var(--teal);
  box-shadow: inset 0 0 1.2rem color-mix(in srgb, var(--teal) 6%, transparent);
  flex-direction: column;
  gap: 0.15rem;
  position: relative;
}

.dev-panel .dev-cards > div::before {
  content: "0" counter(dev-line);
  position: absolute;
  inset-block-start: 0.3rem;
  inset-inline-end: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: var(--teal);
  opacity: 0.35;
  letter-spacing: 0.04em;
}

.dev-panel .dev-cards strong {
  color: var(--teal) !important;
  font-size: 0.82rem;
}

.dev-panel .dev-cards span {
  min-height: 0;
  border-radius: 0;
  background: transparent;
  font-size: 0.75rem;
  color: var(--cream-dim);
}

.model-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

.model-card {
  position: relative;
  min-height: 7rem;
  border-radius: 1rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.model-card::after {
  content: '';
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 0.35rem;
  height: 100%;
  background: var(--gold);
}

.model-card[data-cat="text"]::after { background: var(--teal); }
.model-card[data-cat="image"]::after { background: var(--gold); }
.model-card[data-cat="audio"]::after { background: var(--success); }
.model-card[data-cat="video"]::after { background: var(--danger); }

.scale-board {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr minmax(6rem, 0.32fr) 1fr;
  align-items: center;
  gap: 1rem;
}

.scale-pan {
  min-height: 19rem;
  border-radius: 1rem;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.scale-pan--benefits {
  background:
    radial-gradient(circle at 80% 20%, var(--success-soft), var(--clear) 38%),
    color-mix(in srgb, var(--navy-mid) 76%, var(--clear));
}

.scale-pan--risks {
  background:
    radial-gradient(circle at 20% 20%, var(--danger-soft), var(--clear) 38%),
    color-mix(in srgb, var(--navy-mid) 76%, var(--clear));
}

.scale-axis {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 21rem;
}

.scale-axis span {
  width: 0.35rem;
  height: 100%;
  border-radius: 999rem;
  background: linear-gradient(180deg, var(--gold), var(--teal));
}

.scale-axis::before {
  content: '';
  position: absolute;
  width: 12rem;
  height: 0.35rem;
  border-radius: 999rem;
  background: var(--gold-line);
  transform: rotate(var(--scale-tilt, -7deg));
  transition: transform 0.9s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scale-pan {
  transition: transform 0.9s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scale-pan .slide-para {
  opacity: 0;
  transform: translateY(-1.4rem);
  transition: opacity 0.38s ease, transform 0.42s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.scale-pan .slide-para.scale-item--visible {
  opacity: 1;
  transform: translateY(0);
}

.scale-axis strong {
  position: absolute;
  padding: 0.65rem 1rem;
  border: 1px solid var(--gold-line);
  border-radius: 999rem;
  background: var(--navy);
  color: var(--gold);
  font-family: var(--font-display);
}

.ethics-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.ethics-cards > div {
  min-height: 13rem;
  border-radius: 1rem;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.ethics-cards span {
  align-self: flex-start;
  padding: 0.45rem 0.8rem;
  border-radius: 999rem;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 0.78rem;
}

.future-board {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(18rem, 1.2fr) minmax(14rem, 0.8fr);
  gap: 1rem;
  min-height: 0;
}

.future-visual {
  min-height: 17rem;
}

.future-notes {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  gap: 0.8rem;
}

.future-notes > div {
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem;
  background:
    radial-gradient(circle at 20% 20%, var(--teal-soft), var(--clear) 40%),
    color-mix(in srgb, var(--navy-mid) 74%, var(--clear));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.future-notes strong {
  font-family: var(--font-display);
  color: var(--cream);
}

.future-notes span {
  color: var(--cream-dim);
  font-size: 0.82rem;
}

.slide-inner--ethics-close {
  gap: 1rem;
}

.ethics-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--gold-line);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--gold) 5%, var(--navy-mid));
}

.ethics-cta-label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold);
}

.ethics-section-label {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--teal);
  opacity: 0.75;
  text-transform: uppercase;
}

.ethics-cards--compact > div {
  min-height: 8.4rem;
}

.ethics-facts-row {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  min-height: 0;
}

.ethics-fact {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--glass);
}

.ethics-fact strong {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--gold);
}

.ethics-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-top: 1px solid var(--border);
  padding-block-start: 0.55rem;
}
.ethics-list li {
  font-size: 0.69rem;
  color: var(--cream-dim);
  line-height: 1.45;
  padding-inline-start: 0.9rem;
  position: relative;
}
.ethics-list li::before {
  content: '·';
  position: absolute;
  inset-inline-start: 0;
  color: var(--teal);
  font-size: 1rem;
  line-height: 1.2;
}

.timeline-strip {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  gap: 0.8rem;
  border-block-start: 1px solid var(--border);
  padding-block-start: 1.4rem;
}

.timeline-strip div {
  position: relative;
  min-height: 7rem;
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: 0.45rem;
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  background: var(--glass);
}

.timeline-strip div::before {
  content: '';
  position: absolute;
  inset-block-start: -0.55rem;
  inset-inline-start: 50%;
  width: 0.9rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 18px var(--gold-soft);
}

.timeline-strip strong {
  color: var(--gold);
  font-family: var(--font-display);
}

.timeline-strip span {
  color: var(--cream-dim);
  font-size: 0.82rem;
}

.quiz-question {
  min-height: 11rem;
  border-radius: 1rem;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.quiz-question > span {
  color: var(--gold);
  font-weight: 700;
}

.answer-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

.answer-grid > div {
  min-height: 5.6rem;
  border-radius: 0.85rem;
  color: var(--cream-dim);
  font-weight: 700;
}

.quiz-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.quiz-footer > span {
  color: var(--cream-dim);
}

.quiz-progress {
  flex: 1;
  height: 0.72rem;
  border-radius: 999rem;
  background: var(--glass);
  overflow: hidden;
}

.quiz-progress span {
  display: block;
  width: 28%;
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--gold));
}

@keyframes skeletonSweep {
  0%, 100% { transform: translateX(34%) rotate(8deg); opacity: 0.3; }
  50% { transform: translateX(-34%) rotate(8deg); opacity: 0.9; }
}

@keyframes slowSpin {
  to { transform: rotate(360deg); }
}

@keyframes tokenFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-0.45rem); }
}

@keyframes wavePulse {
  0%, 100% { transform: scaleY(0.72); opacity: 0.62; }
  50% { transform: scaleY(1.1); opacity: 1; }
}

@keyframes cursorBlink {
  50% { opacity: 0; }
}

@media (max-width: 93.75rem) {
  #slide-nav {
    bottom: auto;
    top: 0.25rem;
    padding: 0;
    margin: 0;
  }
}

@media (max-width: 62rem) {
  .slide-inner--definition,
  .slide-inner--image,
  .slide-inner--dev,
  .future-board,
  .conclusion-quiz-zone,
  .gan-arena,
  .scale-board {
    grid-template-columns: 1fr;
  }

  .genesis-orbit {
    min-height: 16rem;
  }

  .diffusion-lab,
  .model-grid,
  .ethics-cards,
  .timeline-strip {
    grid-template-columns: 1fr;
  }

  .llm-stack,
  .answer-grid {
    grid-template-columns: 1fr;
  }

  .video-caption,
  .layout-header,
  .models-header {
    flex-direction: column;
  }

  .scale-axis {
    min-height: 6rem;
  }

  .scale-axis span {
    width: 100%;
    height: 0.35rem;
  }

  .llm-pipeline,
  .model-landscape,
  .image-trio,
  .future-trends {
    grid-template-columns: 1fr;
  }
  .timeline-track {
    grid-template-columns: repeat(4, 1fr);
  }

  .llm-arrow { display: none; }
}

.llm-pipeline {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 2.2rem 1.85fr 2.2rem 1fr;
  align-items: center;
  gap: 0.5rem;
  min-height: 0;
}

.llm-col {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.62rem;
}

.llm-col-label {
  font-family: var(--font-display);
  font-size: 0.73rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  text-align: center;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.1rem;
}

.llm-col--output .llm-col-label { color: var(--teal); }

.llm-token {
  padding: 0.52rem 0.85rem;
  border: 1px solid var(--teal-line);
  border-radius: 0.65rem;
  background: var(--teal-soft);
  color: var(--cream-dim);
  font-size: 0.76rem;
  text-align: center;
}

.llm-token--faded { opacity: 0.32; }

.llm-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1.4rem;
  opacity: 0.5;
  height: 100%;
}

.llm-blackbox {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1.4rem 1rem;
  border: 1px solid var(--gold-line);
  border-radius: 1.2rem;
  background: radial-gradient(circle at 50% 38%, var(--gold-soft), var(--clear) 54%),
              color-mix(in srgb, var(--navy) 88%, var(--clear));
  box-shadow: 0 0 42px var(--gold-soft);
}

.llm-blackbox-label {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--gold);
}

.llm-blackbox-hint {
  max-width: 18rem;
  padding: 0.72rem 0.95rem;
  border: 1px solid var(--teal-line);
  border-radius: 0.8rem;
  background: color-mix(in srgb, var(--teal-soft) 70%, var(--navy) 30%);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.78rem;
  line-height: 1.75;
  text-align: center;
  direction: rtl;
  box-shadow: 0 0 20px rgba(45,212,191,0.08);
}

.llm-explain {
  display: grid;
  gap: 0.45rem;
  width: min(20rem, 86%);
  direction: rtl;
}

.llm-explain span {
  display: block;
  padding: 0.48rem 0.7rem;
  border: 1px solid var(--teal-line);
  border-radius: 0.65rem;
  background: linear-gradient(90deg, var(--teal-soft), color-mix(in srgb, var(--gold-soft) 55%, var(--clear)));
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.74rem;
  line-height: 1.55;
  text-align: center;
}

.llm-layers {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  width: 84%;
}

.llm-layers span {
  height: 0.5rem;
  border-radius: 999rem;
  background: linear-gradient(90deg, var(--teal-soft), var(--gold-soft));
  animation: layerPulse 2.6s ease-in-out infinite;
}

.llm-layers span:nth-child(2) { animation-delay: 0.35s; width: 88%; }
.llm-layers span:nth-child(3) { animation-delay: 0.7s;  width: 72%; }
.llm-layers span:nth-child(4) { animation-delay: 1.05s; width: 94%; }
.llm-layers span:nth-child(5) { animation-delay: 1.4s;  width: 80%; }

.llm-blackbox-sub {
  max-width: 18rem;
  font-size: 0.7rem;
  line-height: 1.65;
  color: var(--cream-dim);
  text-align: center;
  direction: rtl;
}

.llm-prob {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}

.llm-prob-track {
  flex: 1;
  height: 1.55rem;
  border-radius: 0.45rem;
  background: var(--glass);
  overflow: hidden;
}

.llm-prob-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal-soft), var(--teal-line));
}

.llm-prob--selected .llm-prob-fill {
  background: linear-gradient(90deg, var(--gold-soft), var(--gold));
}

.llm-prob small {
  flex-shrink: 0;
  font-size: 0.71rem;
  color: var(--cream-dim);
  min-width: 4.2rem;
}

.llm-prob--selected small {
  color: var(--gold);
  font-weight: 700;
}

.image-header-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.prompt-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.62rem 1.1rem;
  border: 1px solid var(--gold-line);
  border-radius: 1rem;
  background: var(--glass);
}

.prompt-icon {
  color: var(--gold);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.prompt-lines {
  flex: 0 0 4.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.prompt-fill {
  height: 0.58rem;
  border-radius: 999rem;
  background: linear-gradient(90deg, var(--gold-soft), var(--teal-soft), var(--gold-soft));
}

.prompt-fill--short {
  width: 55%;
}

.prompt-label {
  color: var(--cream);
  font-size: 0.85rem;
  flex: 1;
  line-height: 1.65;
  text-align: right;
  direction: rtl;
}

.image-trio {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.72rem;
  min-height: 0;
  margin-block-start: 0.35rem;
}

.image-card {
  display: flex;
  flex-direction: column;
  gap: 0.48rem;
  min-height: 0;
}

.image-slot {
  flex: 1;
  min-height: 0;
  max-height: none;
  aspect-ratio: 1;
  border-radius: 1rem;
}

.image-slot--real::before {
  display: none;
}

.image-slot--real img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-card--featured .image-slot {
  border-color: var(--gold-line);
  box-shadow: 0 0 32px var(--gold-soft);
}

.image-card-label {
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--cream-dim);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--glass);
}

.image-card--featured .image-card-label {
  color: var(--gold);
  border-color: var(--gold-line);
}

.model-scroll-outer {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.model-scroll-outer::after {
  content: '';
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0;
  width: 5rem;
  background: linear-gradient(to right, transparent, var(--navy));
  pointer-events: none;
  z-index: 2;
}

.scroll-hint--right {
  position: absolute;
  inset-block: 0;
  inset-inline-end: 0.6rem;
  z-index: 3;
  display: flex;
  align-items: center;
  color: var(--teal);
  font-size: 1.5rem;
  animation: scrollPulse 1.6s ease-in-out infinite;
  pointer-events: none;
  transition: opacity 0.3s;
}
.scroll-hint--hidden { opacity: 0 !important; }

@keyframes scrollPulse {
  0%, 100% { opacity: 0.25; transform: translateX(4px); }
  50%       { opacity: 1;    transform: translateX(-2px); }
}

.model-landscape {
  display: flex;
  flex-direction: row;
  gap: 0.9rem;
  height: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-inline: 0.25rem;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-x;
}
.model-landscape::-webkit-scrollbar { display: none; }

.model-landscape.is-dragging {
  scroll-behavior: auto;
}

.model-zone {
  flex: 0 0 14rem;
  border-radius: 1rem;
  padding: 0.85rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  overflow: hidden;
  background: color-mix(in srgb, var(--navy-mid) 70%, transparent);
  border-top: 2px solid transparent;
  position: relative;
}

.model-zone--language   { --zone-accent: var(--teal);    border-top-color: var(--teal);    background: color-mix(in srgb, var(--teal)    8%, var(--navy-mid)); }
.model-zone--image      { --zone-accent: var(--gold);    border-top-color: var(--gold);    background: color-mix(in srgb, var(--gold)    8%, var(--navy-mid)); }
.model-zone--audio      { --zone-accent: var(--success); border-top-color: var(--success); background: color-mix(in srgb, var(--success) 8%, var(--navy-mid)); }
.model-zone--video      { --zone-accent: var(--danger);  border-top-color: var(--danger);  background: color-mix(in srgb, var(--danger)  8%, var(--navy-mid)); }
.model-zone--code       { --zone-accent: #7c6fcd;        border-top-color: #7c6fcd;        background: color-mix(in srgb, #7c6fcd        8%, var(--navy-mid)); }
.model-zone--design     { --zone-accent: #e879a0;        border-top-color: #e879a0;        background: color-mix(in srgb, #e879a0        8%, var(--navy-mid)); }
.model-zone--productivity { --zone-accent: #f97316;      border-top-color: #f97316;        background: color-mix(in srgb, #f97316        8%, var(--navy-mid)); }
.model-zone--search     { --zone-accent: #3b82f6;        border-top-color: #3b82f6;        background: color-mix(in srgb, #3b82f6        8%, var(--navy-mid)); }

.model-zone-label {
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.22rem 0.7rem;
  border-radius: 999rem;
  background: transparent;
  border: 1px solid currentColor;
  opacity: 0.75;
}

.model-zone--language   .model-zone-label { color: var(--teal); }
.model-zone--image      .model-zone-label { color: var(--gold); }
.model-zone--audio      .model-zone-label { color: var(--success); }
.model-zone--video      .model-zone-label { color: var(--danger); }
.model-zone--code       .model-zone-label { color: #7c6fcd; }
.model-zone--design     .model-zone-label { color: #e879a0; }
.model-zone--productivity .model-zone-label { color: #f97316; }
.model-zone--search     .model-zone-label { color: #3b82f6; }

.model-zone-cards {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  overflow: hidden;
}

.model-zone-cards .model-card {
  flex: 1;
  border: 1px solid color-mix(in srgb, var(--zone-accent, var(--teal)) 22%, transparent);
  background:
    radial-gradient(ellipse at 100% 0%, color-mix(in srgb, var(--zone-accent, var(--teal)) 18%, transparent) 0%, transparent 62%),
    color-mix(in srgb, var(--navy) 88%, var(--navy-mid));
  box-shadow: none;
  border-radius: 0.6rem;
  padding: 0.55rem 0.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.18rem;
  user-select: none;
  -webkit-user-select: none;
}
.model-zone-cards .model-card::after { display: none; }
.model-zone-cards .model-card strong {
  font-size: 0.8rem;
  color: var(--zone-accent, var(--teal));
  line-height: 1.2;
}
.model-zone-cards .model-card span {
  font-size: 0.6rem;
  opacity: 0.6;
  line-height: 1.3;
  min-height: 0;
}

.future-trends {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
  margin-block-start: 1rem;
  margin-block-end: 5rem;
  align-items: start;
}

.trend-card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.4rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: radial-gradient(circle at 50% 0%, var(--teal-soft), var(--clear) 50%),
              color-mix(in srgb, var(--navy-mid) 78%, var(--clear));
}

.trend-icon {
  font-size: 1.5rem;
  color: var(--gold);
  line-height: 1;
}

.trend-card strong {
  font-family: var(--font-display);
  color: var(--cream);
  font-size: 1rem;
}

.trend-card .slide-para {
  color: var(--cream-dim);
  font-size: 0.76rem;
}

.trend-list {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  gap: 0;
  border-top: 1px solid var(--border);
  padding-block-start: 0.7rem;
  margin-block-start: 0.2rem;
}
.trend-list li {
  font-size: 0.7rem;
  color: var(--cream-dim);
  line-height: 1.45;
  padding-inline-start: 1rem;
  padding-block: 0.25rem;
  position: relative;
}
.trend-list li::before {
  content: '·';
  position: absolute;
  inset-inline-start: 0;
  color: var(--gold);
  font-size: 1rem;
}

.future-timeline {
  min-height: 0;
  padding-block: 0.4rem 0;
}

.timeline-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0;
}

.timeline-track::before {
  content: '';
  position: absolute;
  inset-inline: 5%;
  top: calc(1.5rem + 0.45rem);
  height: 2px;
  background: linear-gradient(to left, color-mix(in srgb, var(--gold) 55%, transparent), var(--teal));
  box-shadow: 0 0 10px color-mix(in srgb, var(--teal) 40%, transparent);
  border-radius: 2px;
}

.timeline-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
}

.timeline-node strong {
  font-family: var(--font-display);
  color: var(--gold);
  font-size: 0.88rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.04em;
}

.timeline-dot {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid var(--gold);
  box-shadow: 0 0 10px var(--gold-soft);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  margin-block: 0;
}

.timeline-node--active .timeline-dot {
  background: var(--teal);
  border-color: var(--teal);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--teal) 20%, transparent), 0 0 14px var(--teal);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--teal) 15%, transparent), 0 0 10px var(--teal); }
  50%       { box-shadow: 0 0 0 6px color-mix(in srgb, var(--teal) 10%, transparent), 0 0 20px var(--teal); }
}

.timeline-node span {
  color: var(--cream-dim);
  font-size: 0.64rem;
  text-align: center;
  line-height: 1.35;
  padding-inline: 0.4rem;
  padding-block-start: 0.5rem;
}

.timeline-node--active span {
  color: var(--cream);
}

.timeline-node--future {
  opacity: 0.45;
}
.timeline-node--future .timeline-dot {
  background: transparent;
  border-color: var(--cream-dim);
  border-style: dashed;
  box-shadow: none;
}
.timeline-node--future strong {
  color: var(--cream-dim);
  letter-spacing: 0.12em;
}

@keyframes layerPulse {
  0%, 100% { opacity: 0.42; }
  50% { opacity: 1; }
}

.back-canvas {
  flex: 1;
  width: 100%;
  min-height: 0;
  border-radius: 1rem;
  display: block;
}

.slide-inner--forge-back,
.slide-inner--tts-back,
.slide-inner--video-back,
.slide-inner--code-back,
.slide-inner--quiz-back,
.slide-inner--llm-back {
  overflow: hidden;
}

.slide-inner--def-video {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
  overflow: hidden;
}

.slide-inner--def-video .back-header {
  flex-shrink: 0;
}

.slide-inner--def-video .def-video-slot {
  flex: 1;
  min-height: 0;
  border-radius: 1rem;
}

.forge-prompt-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.62rem 1.1rem;
  border: 1px solid var(--gold-line);
  border-radius: 999rem;
  background: var(--glass);
}

.forge-prompt-spark {
  color: var(--gold);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.forge-input {
  flex: 1;
  background: var(--glass);
  border: 1px solid var(--gold-line);
  border-radius: 0.5rem;
  padding: 0.4rem 0.75rem;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.82rem;
  outline: none;
  direction: rtl;
  min-width: 0;
  transition: border-color 0.2s;
}
.forge-input::placeholder { color: var(--cream-dim); }
.forge-input:focus { border-color: var(--teal); }
.forge-input:disabled { opacity: 0.5; }

.forge-gen-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  border-radius: 0.5rem;
  border: 1px solid var(--teal);
  background: transparent;
  color: var(--teal);
  font-family: var(--font-body);
  font-size: 0.82rem;
  cursor: none;
  transition: background 0.2s, color 0.2s;
}
.forge-gen-btn:hover:not(:disabled) { background: var(--teal); color: var(--navy); }
.forge-gen-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.forge-output {
  flex: 1;
  width: 100%;
  min-height: 0;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--navy) 90%, var(--clear));
  display: block;
}

.forge-status-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.forge-status-dot {
  width: 0.52rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal-soft);
  flex-shrink: 0;
  animation: forgePulse 1.8s ease-in-out infinite;
}

.forge-status-text {
  color: var(--cream-dim);
  font-size: 0.75rem;
  flex: 1;
  direction: rtl;
}

.forge-notice {
  color: var(--cream-dim);
  font-size: 0.68rem;
  text-align: center;
  opacity: 0.6;
  margin: 0;
}

@keyframes forgePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.68); }
}

.tts-stage {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  min-height: 0;
}

.tts-text-box {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: color-mix(in srgb, var(--navy-mid) 76%, var(--clear));
}

.tts-input-line {
  height: 1.6rem;
  border-radius: 0.4rem;
  background: var(--glass);
  border: 1px solid var(--teal-line);
  position: relative;
  overflow: hidden;
}

.tts-input-line::after {
  content: '';
  position: absolute;
  inset-block: 22%;
  inset-inline-start: 0.5rem;
  width: 2px;
  background: var(--teal);
  animation: cursorBlink 1s steps(2, end) infinite;
}

.tts-wave-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tts-wave-canvas {
  flex: 1;
  width: 100%;
  min-height: 0;
  border-radius: 1rem;
  border: 1px solid var(--teal-line);
  background:
    linear-gradient(90deg, var(--clear), var(--teal-soft), var(--clear)),
    color-mix(in srgb, var(--navy-mid) 82%, var(--clear));
  display: block;
}

.tts-controls-row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.tts-ctrl-pill {
  padding: 0.38rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999rem;
  background: var(--glass);
  color: var(--cream-dim);
  font-size: 0.78rem;
}

.vb-screen {
  flex: 1;
  width: 100%;
  min-height: 0;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: #000;
  display: block;
}

.vb-timeline {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.vb-film-strip {
  display: flex;
  gap: 0.3rem;
}

.vb-film-strip span {
  flex: 1;
  height: 2.4rem;
  border-radius: 0.35rem;
  border: 1px solid var(--border);
  background: var(--glass);
}

.vb-film-strip span:nth-child(odd) {
  background: color-mix(in srgb, var(--teal) 8%, var(--navy-mid));
}

.vb-scrubber {
  position: relative;
  height: 0.35rem;
  border-radius: 999rem;
  background: var(--glass);
}

.vb-head {
  position: absolute;
  top: 50%;
  inset-inline-start: 28%;
  transform: translateY(-50%);
  width: 0.9rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold-soft);
}

.vb-controls-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.vb-ctrl-btn {
  width: 2.4rem;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--glass);
  display: grid;
  place-items: center;
  color: var(--cream-dim);
  font-size: 0.82rem;
}

.vb-ctrl-play {
  border-color: var(--gold-line);
  background: var(--gold-soft);
  color: var(--gold);
}

.vb-time-display {
  font-family: var(--font-display);
  font-size: 0.76rem;
  color: var(--cream-dim);
  margin-inline-start: auto;
}

.code-split {
  flex: 1;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 0.85rem;
  min-height: 0;
}

.code-editor-pane {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--teal-line);
  border-radius: 1rem;
  overflow: hidden;
  background: color-mix(in srgb, var(--navy) 92%, var(--clear));
}

.code-tab-bar {
  display: flex;
  border-bottom: 1px solid var(--teal-line);
  background: var(--glass);
}

.code-tab {
  padding: 0.45rem 1.1rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--cream-dim);
  border-inline-end: 1px solid var(--teal-line);
}

.code-tab--active {
  color: var(--teal);
  background: var(--teal-soft);
}

.code-canvas-area {
  flex: 1;
  width: 100%;
  min-height: 0;
  display: block;
}

.code-output-pane {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: color-mix(in srgb, var(--navy-mid) 80%, var(--clear));
}

.code-output-header {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.code-output-lines {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.code-cursor-blink {
  color: var(--teal);
  font-family: var(--font-display);
  animation: cursorBlink 1s steps(2, end) infinite;
}

.quiz-q-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.quiz-q-badge {
  flex-shrink: 0;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--gold-line);
  border-radius: 999rem;
  background: var(--gold-soft);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 700;
}

.quiz-score-track {
  flex: 1;
  height: 0.52rem;
  border-radius: 999rem;
  background: var(--glass);
  overflow: hidden;
}

.quiz-score-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--gold));
  border-radius: inherit;
  transition: width 0.5s ease;
}

.quiz-q-text {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-weight: 700;
  color: var(--cream);
  background:
    radial-gradient(circle at 20% 50%, var(--teal-soft), var(--clear) 40%),
    color-mix(in srgb, var(--navy-mid) 78%, var(--clear));
  min-height: 5rem;
}

.quiz-answers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.quiz-answer-btn {
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  background: var(--glass);
  color: var(--cream-dim);
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: none;
  text-align: center;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.quiz-answer-btn:hover {
  border-color: var(--teal-line);
  background: var(--teal-soft);
  color: var(--teal);
}

.quiz-answer-btn.correct {
  border-color: var(--success);
  background: var(--success-soft);
  color: var(--success);
}

.quiz-answer-btn.wrong {
  border-color: var(--danger);
  background: var(--danger-soft);
  color: var(--danger);
}

.quiz-feedback {
  min-height: 1.8rem;
  padding: 0 0.5rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--cream-dim);
}

/* ── Slide Content Text ─────────────────────────── */
.slide-para {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--cream-dim);
  margin: 0;
}
.mini-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block-start: 0.25rem;
}
.mini-chip {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.22rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999rem;
  background: var(--glass);
  color: var(--gold);
  letter-spacing: 0.04em;
}
.mini-chip.teal { color: var(--teal); border-color: var(--teal-soft); }

/* ── Brand Logo Animations ─────────────────────── */
@keyframes logoSpin   { to { transform: rotate(360deg); } }
@keyframes logoSpinR  { to { transform: rotate(-360deg); } }
@keyframes logoPulse  { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:.6; transform:scale(1.35); } }
@keyframes logoSpark  { 0%,100% { transform:rotate(0deg) scale(1); } 50% { transform:rotate(180deg) scale(1.1); } }
@keyframes logoWave   { to { stroke-dashoffset: -24; } }
@keyframes logoGlow   { 0%,100% { filter:drop-shadow(0 0 12px rgba(0,201,212,.4)); } 50% { filter:drop-shadow(0 0 24px rgba(201,168,76,.5)); } }

#brand-mark {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 20;
  opacity: .85;
  transition: opacity .25s;
}
#brand-mark:hover { opacity: 1; }

/* ── LLM Interactive Demo ───────────────────────── */
.slide-inner--llm-back { gap: 0.62rem; }

.llm-demo-input-row {
  display: flex;
  align-items: center;
  gap: 0.62rem;
  padding: 0.45rem 0.45rem 0.45rem 0.75rem;
  border: 1px solid var(--gold-line);
  border-radius: 999rem;
  background: var(--glass);
  flex-shrink: 0;
}

#llm-user-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.88rem;
  min-width: 0;
  direction: rtl;
  text-align: right;
}

#llm-user-input::placeholder { color: var(--cream-dim); }

#llm-gen-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999rem;
  border: 1px solid var(--teal-line);
  background: var(--teal-soft);
  color: var(--teal);
  font-family: var(--font-body);
  font-size: 0.78rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.2s;
}

#llm-gen-btn:disabled { opacity: 0.45; cursor: default; }

.llm-demo-status {
  flex-shrink: 0;
  min-height: 1.1rem;
  font-size: 0.72rem;
  color: var(--teal);
  font-family: var(--font-body);
  text-align: center;
}

.llm-demo-output {
  flex-shrink: 0;
  padding: 0.62rem 0.85rem;
  border: 1px solid var(--teal-line);
  border-radius: 0.75rem;
  background: var(--glass);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.8;
  direction: rtl;
  text-align: right;
  min-height: 3rem;
  word-break: break-word;
}

.llm-output-cursor {
  color: var(--teal);
  animation: cursorBlink 1s steps(2, end) infinite;
  display: none;
}

.llm-generating .llm-layers span { animation-duration: 0.35s !important; }

.llm-generating .llm-blackbox {
  animation: llmBoxGlow 0.55s ease-in-out infinite alternate;
}

@keyframes llmBoxGlow {
  from { box-shadow: inset 0 0 0 1px var(--teal-line); }
  to   { box-shadow: inset 0 0 0 1px var(--teal), 0 0 22px 6px var(--teal-soft); }
}

.llm-new-token {
  display: inline;
  animation: llmTokenIn 0.38s cubic-bezier(0.22,1,0.36,1) both;
}

@keyframes llmTokenIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.92); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}

.llm-counter {
  margin-inline-start: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.7rem;
  border-radius: 999rem;
  border: 1px solid var(--teal-line);
  background: var(--teal-soft);
  color: var(--teal);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}

.llm-counter span {
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--cream-dim);
}

.llm-counter strong {
  min-width: 1.25rem;
  height: 1.25rem;
  display: inline-grid;
  place-items: center;
  border-radius: 999rem;
  background: color-mix(in srgb, var(--teal) 18%, var(--clear));
  color: var(--teal);
  font-size: 0.78rem;
  line-height: 1;
}

.llm-counter--warn {
  border-color: var(--gold-line);
  background: var(--gold-soft);
  color: var(--gold);
}

.llm-counter--warn strong {
  background: color-mix(in srgb, var(--gold) 18%, var(--clear));
  color: var(--gold);
}

.llm-counter--empty {
  border-color: color-mix(in srgb, var(--danger) 34%, var(--clear));
  background: var(--danger-soft);
  color: var(--danger);
}

.llm-counter--empty strong {
  background: color-mix(in srgb, var(--danger) 18%, var(--clear));
  color: var(--danger);
}

.llm-powered-by {
  flex-shrink: 0;
  text-align: center;
  font-size: 0.64rem;
  color: var(--cream-dim);
  font-family: var(--font-body);
}

.llm-powered-by span { color: var(--gold); font-weight: 600; }

#slide-credit {
  position: fixed;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.62rem;
  color: var(--cream-dim);
  font-family: var(--font-body);
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0s 0.4s;
}

#slide-credit.visible {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.4s ease, visibility 0s;
}

#slide-credit strong { color: var(--gold); }
#slide-credit em { color: var(--teal); font-style: normal; }

#screen-warning {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--navy);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  text-align: center;
  padding: 2rem;
}

#screen-warning.visible {
  display: flex;
}

.screen-warning-icon {
  font-size: 3.5rem;
  line-height: 1;
}

.screen-warning-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--gold);
}

.screen-warning-body {
  font-family: var(--font-body);
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  color: var(--cream-dim);
  max-width: 28rem;
  line-height: 1.7;
}

.screen-warning-res {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--teal);
  border: 1px solid var(--teal-line);
  border-radius: 0.6rem;
  padding: 0.5rem 1.4rem;
}