/* VariaTalleres — Variavista Design System */
@import url('https://fonts.googleapis.com/css2?family=Kanit:ital,wght@0,200;0,300;0,400;0,500;0,600;0,700;0,800;1,300;1,400&display=swap');

/* === TOKENS === */
:root {
  --vv-bg: #3C2E42;
  --vv-bg-deep: #2A1F30;
  --vv-bg-card: rgba(60, 46, 66, 0.85);
  --vv-blue: #38A1DB;
  --vv-yellow: #FFE100;
  --vv-pink: #EC74FC;
  --vv-white: #FFFFFF;
  --vv-text: #E8E0ED;
  --vv-text-muted: #A89AB3;
  --vv-glass: rgba(255, 255, 255, 0.06);
  --vv-glass-border: rgba(255, 255, 255, 0.1);
  --vv-radius: 16px;
  --vv-radius-sm: 8px;
  --vv-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --vv-font: 'Kanit', sans-serif;
  --vv-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Slide type accent colors */
  --type-teoria: var(--vv-blue);
  --type-ejemplo: var(--vv-yellow);
  --type-ejercicio: var(--vv-pink);
  --type-poll: #7C4DFF;
  --type-descanso: #4CAF50;
  --type-portada: var(--vv-blue);
  --type-resumen: var(--vv-yellow);
  --type-cierre: var(--vv-pink);
}

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

html, body {
  font-family: var(--vv-font);
  background: var(--vv-bg-deep);
  color: var(--vv-text);
  overflow: hidden;
  height: 100%;
  -webkit-font-smoothing: antialiased;
}

/* === INDEX PAGE === */
body.page-index {
  overflow-y: auto;
  overflow-x: hidden;
  background: linear-gradient(135deg, var(--vv-bg-deep) 0%, var(--vv-bg) 50%, #1a1025 100%);
  min-height: 100vh;
}

.index-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 20px 24px;
  position: relative;
  z-index: 1;
}

.index-header {
  text-align: center;
  margin-bottom: 28px;
}

.index-header img {
  height: 32px;
  margin-bottom: 12px;
  filter: drop-shadow(0 2px 8px rgba(56, 161, 219, 0.3));
}

.index-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--vv-white);
  margin-bottom: 4px;
}

.index-header p {
  font-size: 0.9rem;
  color: var(--vv-text-muted);
  font-weight: 300;
}

/* Workshop cards — compact multi-column */
.workshop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.workshop-card {
  background: rgba(10,10,18,0.7);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  animation: cardFloat 6s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * 0.8s);
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.workshop-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, rgba(56,161,219,0.15), rgba(236,116,252,0.08)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.workshop-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 60px rgba(56,161,219,0.06);
}

.workshop-card:hover::before { opacity: 1; }

/* Card cover image */
.card-cover {
  position: relative;
  width: 100%;
  height: 120px;
  overflow: hidden;
  border-radius: 14px 14px 0 0;
  background: rgba(255,255,255,0.03);
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: kenBurns 20s ease-in-out infinite alternate;
}
.card-cover--empty {
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.1);
}

/* Card body */
.card-body {
  padding: 14px 16px 16px;
}

.workshop-card h2 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--vv-white);
  margin-bottom: 4px;
  line-height: 1.3;
  transition: color 0.4s ease;
}

/* Completed workshop — all modules locked → orange title */
.workshop-card--completed h2 {
  color: #f39c12;
  text-shadow: 0 0 12px rgba(243, 156, 18, 0.25);
}

/* ── Live Workshop Indicator ── */
.workshop-card--live {
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow:
    0 0 20px rgba(239, 68, 68, 0.12),
    0 0 40px rgba(239, 68, 68, 0.06),
    inset 0 0 20px rgba(239, 68, 68, 0.04);
  animation: liveGlow 2.5s ease-in-out infinite alternate;
}
@keyframes liveGlow {
  0%   { border-color: rgba(239, 68, 68, 0.3);  box-shadow: 0 0 15px rgba(239, 68, 68, 0.08); }
  100% { border-color: rgba(239, 68, 68, 0.55); box-shadow: 0 0 30px rgba(239, 68, 68, 0.18), 0 0 60px rgba(239, 68, 68, 0.06); }
}

.live-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px 4px 8px;
  background: rgba(220, 38, 38, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  text-transform: uppercase;
  animation: liveBadgePulse 2s ease-in-out infinite;
  pointer-events: none;
  box-shadow: 0 2px 12px rgba(220, 38, 38, 0.4);
}
@keyframes liveBadgePulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.7; }
}

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
  animation: liveDotPulse 1.2s ease-in-out infinite;
}
@keyframes liveDotPulse {
  0%, 100% { transform: scale(1);   opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.5; }
}



.workshop-card .card-desc {
  font-size: 0.8rem;
  color: var(--vv-text-muted);
  line-height: 1.45;
  margin-bottom: 10px;
  font-weight: 300;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
  overflow: hidden;
}

.card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.04);
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 300;
  white-space: nowrap;
}

.card-meta-level {
  flex-shrink: 1 !important;
  min-width: 0;
}

.card-meta-level .truncate-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-meta span svg {
  flex-shrink: 0;
}

/* === VIEWER PAGE === */
.slide-viewport {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  background: transparent;
  user-select: auto;
  overflow: hidden; /* Clip slide card during carousel transitions */
  animation: viewportFloat 6s ease-in-out infinite; /* Gentle float — no scale to avoid overflow */
}
/* Disable text selection only while zoomed (drag-to-pan active) */
.slide-viewport.zoom-mode {
  user-select: none;
  cursor: grab;
}
.slide-viewport.zoom-mode:active {
  cursor: grabbing;
}

/* === FLIP CARD SYSTEM === */
.slide-card {
  width: 92vw;
  height: 88vh;
  perspective: 1200px;
  position: relative;
  view-transition-name: slide-card;
  /* cardBreathe moved to .slide-viewport for uninterrupted float */
}

@keyframes viewportFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes cardBreathe {
  0%, 100% { transform: scale(1) translateY(0); }
  50% { transform: scale(1.004) translateY(-3px); }
}

.slide-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

/* Zoom system */
.slide-card-inner.zoomed {
  transition: transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform-origin 0.25s ease-out;
  cursor: grab;
}
.slide-card-inner.zoomed:active {
  cursor: grabbing;
}
.slide-viewport.zoom-mode {
  cursor: zoom-in;
}
.slide-viewport.zoom-mode.zoomed-in {
  cursor: zoom-out;
}

/* Zoom indicator badge */
.zoom-indicator {
  position: fixed;
  bottom: 60px;
  right: 20px;
  z-index: 50;
  background: rgba(0, 0, 0, 0.35);
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--vv-font);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 4px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
  backdrop-filter: blur(6px);
}
.zoom-indicator.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-card.flipped .slide-card-inner {
  transform: rotateX(-180deg);
}

.slide-card-front,
.slide-card-back {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
}

.slide-card-front {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: transparent;
  overflow: hidden;
  border-radius: 16px;
  transform: translateZ(1px); /* Firefox: force own compositing layer for backface-visibility */
}

.slide-card-back {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transform: rotateX(-180deg) translateZ(1px); /* Firefox: force own layer + flip */
  overflow: hidden;
  background: transparent;
  border-radius: 16px;
}

/* Scrollable wrapper inside back face — keeps overflow off the 3D face itself for Firefox */
.slide-card-back > .slide {
  overflow-y: auto;
  overflow-x: hidden;
}

/* Cover image (front face) — show complete image */
.slide-cover-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  opacity: 0;
  transition: opacity 0.4s ease;
  animation: kenBurns 20s ease-in-out infinite alternate;
}
.slide-cover-img.loaded {
  opacity: 1;
}

@keyframes kenBurns {
  0%   { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.06) translate(-1.5%, -1%); }
}
/* Freeze Ken Burns when video is playing */
.video-active .slide-cover-img {
  animation-play-state: paused !important;
  transform: scale(1) translate(0, 0) !important;
}

/* Video overlay — full bleed inside slide-card-front, loops on top of cover */
.viewer-cover-video {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  z-index: 2;
  pointer-events: none;
  border-radius: 16px;
}

/* No cover fallback — show content side directly */
.slide-card.no-cover .slide-card-front { display: none; }

/* Logo overlays on cover */
.cover-logos {
  position: absolute;
  top: 16px; left: 24px; right: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  z-index: 2;
}
.cover-logo {
  height: 36px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
  opacity: 0.92;
}
.cover-logo--eadic { height: 30px; filter: brightness(0) invert(1) drop-shadow(0 2px 4px rgba(0,0,0,0.5)); }
.slide-card.flipped .cover-logos { display: none; }

/* Viewer floating logos (fixed top corners) */
.viewer-logos {
  position: fixed;
  bottom: 14px; left: 20px; right: 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  z-index: 90;
}
.viewer-logo {
  height: 24px;
  object-fit: contain;
  opacity: 0.55;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.5));
  transition: opacity 0.3s;
}
.viewer-logo--right { filter: brightness(0) invert(1) drop-shadow(0 1px 3px rgba(0,0,0,0.5)); height: 20px; }

/* ═══ Cosmic Easter Egg ═══ */
.cosmic-egg {
  position: relative;
  pointer-events: auto;
  display: inline-block;
}
.cosmic-egg-menu {
  position: absolute;
  bottom: 100%;
  left: 0;
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  padding-bottom: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.cosmic-egg:hover .cosmic-egg-menu {
  opacity: 1;
  pointer-events: auto;
}
.cosmic-egg:hover .viewer-logo--left {
  opacity: 1;
}
.cosmic-btn {
  width: 28px; height: 28px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(6px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: rgba(255,255,255,0.5);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s, transform 0.25s, background 0.2s, color 0.2s;
}
.cosmic-egg:hover .cosmic-btn {
  opacity: 1;
  transform: translateY(0);
}
.cosmic-egg:hover .cosmic-btn:nth-child(1) { transition-delay: 0s; }
.cosmic-egg:hover .cosmic-btn:nth-child(2) { transition-delay: 0.04s; }
.cosmic-egg:hover .cosmic-btn:nth-child(3) { transition-delay: 0.08s; }
.cosmic-egg:hover .cosmic-btn:nth-child(4) { transition-delay: 0.12s; }
.cosmic-egg:hover .cosmic-btn:nth-child(5) { transition-delay: 0.16s; }
.cosmic-btn:hover {
  background: rgba(56,161,219,0.2);
  color: rgba(255,255,255,0.9);
  transform: scale(1.15);
  box-shadow: 0 0 12px rgba(56,161,219,0.3);
}
.slide-card.no-cover .slide-card-back {
  position: relative;
  transform: none;
}


/* ═══ SLIDE CONTAINER — Premium Keynote Layout ═══ */
.slide {
  width: 100%;
  height: 100%;
  padding: clamp(24px, 4vh, 48px) clamp(28px, 5vw, 72px);
  background: transparent;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: clamp(8px, 1.5vh, 20px);
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  text-align: left;
  /* animation: gravityEnter removed — replaced by horizontal carousel transitions */
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

/* Type-specific slide backdrop gradients */
.slide-backdrop {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
  transition: opacity 0.4s;
}

.slide[data-type="portada"] ~ .slide-backdrop,
.slide[data-type="portada"] .slide-backdrop { background: radial-gradient(ellipse at 50% 30%, rgba(56,161,219,0.12) 0%, transparent 65%); }
.slide[data-type="teoria"] .slide-backdrop { background: radial-gradient(ellipse at 15% 10%, rgba(56,161,219,0.1) 0%, transparent 55%); }
.slide[data-type="ejemplo"] .slide-backdrop { background: radial-gradient(ellipse at 80% 20%, rgba(255,225,0,0.07) 0%, transparent 55%); }
.slide[data-type="ejercicio"] .slide-backdrop { background: radial-gradient(ellipse at 20% 80%, rgba(236,116,252,0.08) 0%, transparent 55%); }
.slide[data-type="poll"] .slide-backdrop { background: radial-gradient(ellipse at 50% 50%, rgba(124,77,255,0.08) 0%, transparent 55%); }
.slide[data-type="descanso"] .slide-backdrop { background: radial-gradient(ellipse at 50% 60%, rgba(76,175,80,0.08) 0%, transparent 55%); }
.slide[data-type="resumen"] .slide-backdrop { background: radial-gradient(ellipse at 70% 30%, rgba(255,225,0,0.07) 0%, transparent 55%); }
.slide[data-type="cierre"] .slide-backdrop { background: radial-gradient(ellipse at 50% 40%, rgba(236,116,252,0.1) 0%, transparent 55%); }
.slide[data-type="docente"] .slide-backdrop { background: radial-gradient(ellipse at 50% 30%, rgba(56,161,219,0.1) 0%, transparent 50%); }

/* Accent border glow for no-cover slides */
.slide-card.no-cover .slide::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.06);
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 50%) border-box;
  pointer-events: none;
  z-index: 0;
}

/* Accent top border glow */
.slide-card.no-cover .slide::after {
  content: '';
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--type-accent, var(--vv-blue)) 50%, transparent 100%);
  opacity: 0.4;
  z-index: 1;
}

/* All slide children above backdrop */
.slide > * { position: relative; z-index: 1; }

@keyframes gravityEnter {
  from { transform: translateY(60px) scale(0.97); }
  to   { transform: translateY(0) scale(1); }
}

@keyframes gravityEnterReverse {
  from { transform: translateY(-60px) scale(0.97); }
  to   { transform: translateY(0) scale(1); }
}

.slide.anim-reverse { animation-name: gravityEnterReverse; }

/* ═══ Carousel Card Transitions (horizontal slide) ═══ */
@keyframes carouselExitNext {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}
@keyframes carouselEnterNext {
  0%   { transform: translateX(100%); }
  100% { transform: translateX(0); }
}
@keyframes carouselExitPrev {
  0%   { transform: translateX(0); }
  100% { transform: translateX(100%); }
}
@keyframes carouselEnterPrev {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(0); }
}
.slide-card.space-exit-next { animation: carouselExitNext 0.3s ease-in; }
.slide-card.space-enter-next { animation: carouselEnterNext 0.4s cubic-bezier(0.22, 1, 0.36, 1); }
.slide-card.space-exit-prev { animation: carouselExitPrev 0.3s ease-in; }
.slide-card.space-enter-prev { animation: carouselEnterPrev 0.4s cubic-bezier(0.22, 1, 0.36, 1); }

/* ═══ Progressive Content Reveal ═══ */

/* Each content chunk starts hidden */
.reveal-group {
  opacity: 1;
  transform: none;
}

/* ═══ MODULE HEADER BAR — Premium ═══ */
.slide-module-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(0.65rem, 0.9vw, 0.78rem);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 500;
  color: var(--vv-text-muted);
  width: 100%;
  padding-bottom: clamp(6px, 1vh, 12px);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.slide-module-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--type-accent, var(--vv-blue));
  box-shadow: 0 0 8px var(--type-accent, var(--vv-blue)),
              0 0 20px color-mix(in srgb, var(--type-accent, var(--vv-blue)) 40%, transparent);
  animation: dotPulse 3s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 8px var(--type-accent, var(--vv-blue)); }
  50% { box-shadow: 0 0 14px var(--type-accent, var(--vv-blue)), 0 0 28px color-mix(in srgb, var(--type-accent, var(--vv-blue)) 30%, transparent); }
}

/* Title row — badge inline right */
.slide-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

/* ═══ TYPE BADGE — Glassmorphism ═══ */
.slide-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 16px;
  border-radius: 20px;
  font-size: clamp(0.58rem, 0.8vw, 0.68rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  background: color-mix(in srgb, var(--type-accent, var(--vv-blue)) 8%, rgba(0,0,0,0.3));
  color: var(--type-accent, var(--vv-blue));
  border: 1px solid color-mix(in srgb, var(--type-accent, var(--vv-blue)) 20%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  flex-shrink: 0;
  margin-left: auto;
  text-shadow: 0 0 12px color-mix(in srgb, var(--type-accent, var(--vv-blue)) 25%, transparent);
}

.slide-type-icon { font-size: 0.8rem; }

/* ═══ TITLE — Premium Keynote ═══ */
.slide-title {
  font-size: clamp(1.3rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--vv-white);
  line-height: 1.12;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  position: relative;
  padding-bottom: clamp(8px, 1.2vh, 16px);
}

/* Glowing underline accent */
.slide-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: clamp(40px, 8vw, 80px);
  height: 3px;
  border-radius: 3px;
  background: var(--type-accent, var(--vv-blue));
  box-shadow: 0 0 12px var(--type-accent, var(--vv-blue)),
              0 0 24px color-mix(in srgb, var(--type-accent, var(--vv-blue)) 40%, transparent);
}

/* Special: Portada — centered hero title */
.slide[data-type="portada"] .slide-title {
  font-size: clamp(1.6rem, 4.5vw, 3rem);
  text-align: center;
  letter-spacing: -1px;
}
.slide[data-type="portada"] .slide-title::after {
  left: 50%;
  transform: translateX(-50%);
}
.slide[data-type="portada"] .slide-content {
  text-align: center;
}

/* Special: Cierre — centered CTA */
.slide[data-type="cierre"] .slide-title {
  text-align: center;
  font-size: clamp(1.4rem, 4vw, 2.6rem);
}
.slide[data-type="cierre"] .slide-title::after {
  left: 50%;
  transform: translateX(-50%);
}
.slide[data-type="cierre"] .slide-content {
  text-align: center;
}

/* Special: Descanso — minimal centered */
.slide[data-type="descanso"] {
  justify-content: center;
  align-items: center;
  text-align: center;
}
.slide[data-type="descanso"] .slide-title {
  text-align: center;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
}
.slide[data-type="descanso"] .slide-title::after {
  left: 50%;
  transform: translateX(-50%);
  background: var(--type-descanso);
  box-shadow: 0 0 12px var(--type-descanso);
}

/* ═══ CONTENT — Premium Typography ═══ */
.slide-content {
  font-size: clamp(0.88rem, 1.6vw, 1.15rem);
  color: var(--vv-text);
  line-height: 1.75;
  font-weight: 300;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

/* Content density auto-scale */
.slide[data-density="sparse"] .slide-content {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.85;
}
.slide[data-density="dense"] .slide-content {
  font-size: clamp(0.78rem, 1.2vw, 0.95rem);
  line-height: 1.6;
}
.slide[data-density="dense"] .slide-title {
  font-size: clamp(1.1rem, 2.5vw, 1.8rem);
}

/* PretextEngine: Overflow indicator — scroll-fade hint */
.slide[data-pretext-overflow="true"] .slide-content {
  mask-image: linear-gradient(to bottom, #000 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 85%, transparent 100%);
}
.slide[data-pretext-overflow="true"]::after {
  content: '';
  position: absolute;
  bottom: 0; left: 10%; right: 10%;
  height: 40px;
  background: linear-gradient(to top, rgba(56,161,219,0.08), transparent);
  pointer-events: none;
  z-index: 5;
  border-radius: 0 0 16px 16px;
  animation: overflowPulse 3s ease-in-out infinite;
}
@keyframes overflowPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

.slide-content p { margin-bottom: 0.7em; }
.slide-content p:last-child { margin-bottom: 0; }

.slide-content strong {
  font-weight: 600;
  color: var(--vv-white);
  text-shadow: 0 0 8px color-mix(in srgb, var(--type-accent, var(--vv-blue)) 15%, transparent);
}

.slide-content em {
  font-style: italic;
  color: color-mix(in srgb, var(--vv-text) 85%, var(--type-accent, var(--vv-blue)));
}

/* ═══ HEADINGS (h2/h3/h4) — Gradient Accent ═══ */
.slide-content h2 {
  font-size: clamp(1.15rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--vv-white);
  margin: clamp(16px, 2.5vh, 28px) 0 clamp(8px, 1vh, 14px);
  padding-bottom: clamp(6px, 1vh, 10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
  letter-spacing: -0.3px;
  text-shadow: 0 0 20px color-mix(in srgb, var(--type-accent, var(--vv-blue)) 12%, transparent);
}
.slide-content h2::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: clamp(32px, 6vw, 56px);
  height: 2px;
  border-radius: 2px;
  background: var(--type-accent, var(--vv-blue));
  box-shadow: 0 0 8px var(--type-accent, var(--vv-blue));
}
/* Remove top margin from first heading to avoid double spacing */
.slide-content > h2:first-child,
.reveal-group:first-child h2 { margin-top: 0; }

.slide-content h3 {
  font-size: clamp(0.95rem, 1.8vw, 1.2rem);
  font-weight: 600;
  color: color-mix(in srgb, var(--vv-white) 90%, var(--type-accent, var(--vv-blue)));
  margin: clamp(12px, 2vh, 22px) 0 clamp(6px, 0.8vh, 10px);
  padding-left: 12px;
  border-left: 2px solid color-mix(in srgb, var(--type-accent, var(--vv-blue)) 50%, transparent);
  text-shadow: 0 0 12px color-mix(in srgb, var(--type-accent, var(--vv-blue)) 8%, transparent);
}

.slide-content h4 {
  font-size: clamp(0.85rem, 1.4vw, 1rem);
  font-weight: 600;
  color: var(--vv-text);
  margin: clamp(10px, 1.5vh, 18px) 0 clamp(4px, 0.6vh, 8px);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: clamp(0.72rem, 1.1vw, 0.85rem);
}

/* ═══ BLOCKQUOTE — Neon Glass ═══ */
.slide-content blockquote {
  border-left: 3px solid var(--type-accent, var(--vv-blue));
  padding: clamp(10px, 1.5vh, 18px) clamp(14px, 2vw, 24px);
  margin: clamp(10px, 1.5vh, 18px) 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--vv-text);
  font-size: 0.95em;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  box-shadow: inset 0 0 30px rgba(0,0,0,0.1);
  border-top: 1px solid rgba(255,255,255,0.04);
}

/* ═══ LISTS — Glass Micro-Cards ═══ */
.slide-content ul,
.slide-content ol {
  padding-left: 0;
  margin: clamp(8px, 1.2vh, 16px) 0;
  list-style: none;
}

.slide-content ul li,
.slide-content ol li {
  margin-bottom: clamp(6px, 0.8vh, 10px);
  line-height: 1.65;
  padding: clamp(6px, 0.6vh, 10px) clamp(10px, 1.2vw, 16px) clamp(6px, 0.6vh, 10px) 1.8em;
  position: relative;
  background: rgba(255,255,255,0.015);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.03);
  transition: background 0.2s, border-color 0.2s;
}
.slide-content ul li:hover,
.slide-content ol li:hover {
  background: rgba(255,255,255,0.035);
  border-color: rgba(255,255,255,0.06);
}

/* Custom bullet — glowing dot */
.slide-content ul li::before {
  content: '';
  position: absolute;
  left: clamp(8px, 0.8vw, 12px);
  top: clamp(12px, 1.1vh, 16px);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--type-accent, var(--vv-blue));
  box-shadow: 0 0 6px var(--type-accent, var(--vv-blue));
  opacity: 0.85;
}

/* Custom numbered list — glowing number badge */
.slide-content ol {
  counter-reset: slide-counter;
}
.slide-content ol li {
  counter-increment: slide-counter;
}
.slide-content ol li::before {
  content: counter(slide-counter);
  position: absolute;
  left: clamp(5px, 0.5vw, 8px);
  top: clamp(8px, 0.8vh, 12px);
  width: 1.25em;
  height: 1.25em;
  border-radius: 50%;
  background: color-mix(in srgb, var(--type-accent, var(--vv-blue)) 15%, rgba(0,0,0,0.4));
  border: 1px solid color-mix(in srgb, var(--type-accent, var(--vv-blue)) 30%, transparent);
  color: var(--type-accent, var(--vv-blue));
  font-size: 0.68em;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-shadow: 0 0 8px color-mix(in srgb, var(--type-accent, var(--vv-blue)) 30%, transparent);
}

/* ═══ INLINE CODE — Terminal ═══ */
.slide-content code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85em;
  background: rgba(255,255,255,0.06);
  padding: 2px 8px;
  border-radius: 5px;
  color: var(--vv-pink);
  border: 1px solid rgba(255,255,255,0.06);
}

/* ═══ HR — Glowing Divider ═══ */
.slide-content hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--type-accent, var(--vv-blue)) 30%, var(--type-accent, var(--vv-blue)) 70%, transparent 100%);
  opacity: 0.3;
  margin: clamp(12px, 2vh, 24px) 0;
  box-shadow: 0 0 8px color-mix(in srgb, var(--type-accent, var(--vv-blue)) 20%, transparent);
}


/* ═══ Tables (vt-table) — Viewer ═══ */
.slide-content .vt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(11px, 1.3vw, 14px);
  color: rgba(255,255,255,0.75);
  margin: 16px 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(56,161,219,0.12);
  background: rgba(0,0,0,0.2);
}
.slide-content .vt-table thead th {
  background: linear-gradient(135deg, rgba(56,161,219,0.1), rgba(168,85,247,0.06));
  color: #fff;
  font-weight: 600;
  font-size: clamp(10px, 1.1vw, 12px);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: clamp(6px, 1vw, 12px) clamp(8px, 1.2vw, 16px);
  text-align: left;
  border-bottom: 1px solid rgba(56,161,219,0.15);
  white-space: nowrap;
}
.slide-content .vt-table tbody td {
  padding: clamp(5px, 0.8vw, 10px) clamp(8px, 1.2vw, 16px);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.slide-content .vt-table tbody tr:last-child td { border-bottom: none; }
.slide-content .vt-table tbody tr:nth-child(even) td {
  background: rgba(255,255,255,0.015);
}

/* Prompt block (fenced code) with copy button */
.prompt-block {
  position: relative;
  margin: 16px 0;
  background: linear-gradient(145deg, rgba(0, 0, 0, 0.45), rgba(10, 8, 20, 0.5));
  border: 1px solid rgba(56, 161, 219, 0.15);
  border-radius: 14px;
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3),
              inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

/* Gradient accent top border */
.prompt-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--type-accent, var(--vv-blue)), var(--vv-pink, #ec74fc), var(--type-accent, var(--vv-blue)));
  opacity: 0.7;
  z-index: 2;
}

/* Header label bar — "📄 Recurso" */
.prompt-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px 6px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--type-accent, var(--vv-blue));
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  opacity: 0.8;
}

.prompt-block pre {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85em;
  line-height: 1.6;
  padding: 14px 16px 14px;
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--vv-text);
}

.prompt-actions {
  position: absolute;
  top: 32px;
  right: 8px;
  display: flex;
  gap: 6px;
  z-index: 2;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.prompt-block:hover .prompt-actions {
  opacity: 1;
  transform: translateY(0);
}

.prompt-copy-btn {
  padding: 6px 14px;
  border: 1px solid rgba(56, 161, 219, 0.25);
  background: rgba(56, 161, 219, 0.1);
  color: var(--vv-blue);
  font-family: var(--vv-font);
  font-size: 0.68rem;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.2s cubic-bezier(0.22, 1, 0.36, 1);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  letter-spacing: 0.3px;
}

.prompt-copy-btn:hover {
  background: rgba(56, 161, 219, 0.25);
  border-color: rgba(56, 161, 219, 0.5);
  color: var(--vv-white);
  transform: scale(1.04);
  box-shadow: 0 0 12px rgba(56, 161, 219, 0.15);
}

.prompt-dl-btn {
  padding: 6px 14px;
  border: 1px solid rgba(52, 211, 153, 0.25);
  background: rgba(52, 211, 153, 0.1);
  color: #34d399;
  font-family: var(--vv-font);
  font-size: 0.68rem;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.2s cubic-bezier(0.22, 1, 0.36, 1);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  letter-spacing: 0.3px;
}

.prompt-dl-btn:hover {
  background: rgba(52, 211, 153, 0.25);
  border-color: rgba(52, 211, 153, 0.5);
  color: #fff;
  transform: scale(1.04);
  box-shadow: 0 0 12px rgba(52, 211, 153, 0.15);
}

/* Save resource button (Studio only) */
.prompt-save-btn {
  padding: 6px 14px;
  border: 1px solid rgba(168, 85, 247, 0.3);
  background: rgba(168, 85, 247, 0.1);
  color: #a855f7;
  font-family: var(--vv-font);
  font-size: 0.68rem;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.prompt-save-btn:hover {
  background: rgba(168, 85, 247, 0.25);
  border-color: rgba(168, 85, 247, 0.5);
  color: #fff;
  transform: scale(1.04);
}

.prompt-save-done {
  border-color: rgba(52, 211, 153, 0.4) !important;
  color: #34d399 !important;
  background: rgba(52, 211, 153, 0.15) !important;
}

/* Notes (optional toggle) */
.slide-notes {
  font-size: 0.85rem;
  color: var(--vv-text-muted);
  line-height: 1.5;
  font-weight: 300;
  padding-top: 16px;
  border-top: 1px solid var(--vv-glass-border);
  font-style: italic;
  display: none;
}

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



/* Lucide SVG alignment */
.slide-type-icon svg,
.ctx-btn svg {
  display: inline-block;
  vertical-align: middle;
}

.slide-type-icon {
  display: inline-flex;
  align-items: center;
}

/* Progress */
.slide-progress {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--vv-text-muted);
  letter-spacing: 2px;
  z-index: 10;
}

/* Progress bar */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--vv-blue), var(--vv-pink));
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
}

/* Click zones */
.click-zone {
  position: fixed;
  top: 0;
  width: 33.33%;
  height: 100%;
  z-index: 5;
  cursor: pointer;
}

.click-zone-prev { left: 0; cursor: w-resize; }
.click-zone-next { right: 0; cursor: e-resize; }

/* === CONTEXT MENU === */
.ctx-menu {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 50;
  display: flex;
  gap: 8px;
  opacity: 0;
  transform: translateY(-8px);
  transition: var(--vv-transition);
  pointer-events: none;
}

.ctx-menu.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.ctx-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--vv-radius-sm);
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--vv-glass-border);
  color: var(--vv-text);
  font-family: var(--vv-font);
  font-size: 0.75rem;
  font-weight: 400;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--vv-transition);
  letter-spacing: 0.5px;
}

.ctx-btn:hover {
  background: rgba(56, 161, 219, 0.2);
  border-color: rgba(56, 161, 219, 0.4);
  color: var(--vv-white);
}

/* Animated nav button text labels */
.ctx-text {
  display: inline-block;
  max-width: 100px;
  overflow: hidden;
  white-space: nowrap;
  vertical-align: middle;
  transition: max-width 0.4s cubic-bezier(0.22, 1, 0.36, 1), 
              opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              margin-left 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  opacity: 1;
  margin-left: 0;
}

.ctx-btn.collapsed .ctx-text {
  max-width: 0;
  opacity: 0;
  margin-left: -6px; /* Hides the gap visually */
}

/* === SPECIAL SLIDE TYPES (accent colors only) === */
.slide[data-type="portada"]   { --type-accent: var(--type-portada); }
.slide[data-type="teoria"]    { --type-accent: var(--type-teoria); }
.slide[data-type="ejemplo"]   { --type-accent: var(--type-ejemplo); }
.slide[data-type="ejercicio"] { --type-accent: var(--type-ejercicio); }
.slide[data-type="poll"]      { --type-accent: var(--type-poll); }
.slide[data-type="debate"]    { --type-accent: #ef4444; }
.slide[data-type="descanso"]  { --type-accent: var(--type-descanso); }
.slide[data-type="resumen"]   { --type-accent: var(--type-resumen); }
.slide[data-type="cierre"]    { --type-accent: var(--type-cierre); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .slide { padding: clamp(20px, 3vh, 32px) clamp(20px, 4vw, 28px); }
  .slide-logos img { height: 22px; }
  .index-header h1 { font-size: 1.8rem; }
  .workshop-card { padding: 24px; }
  .ctx-menu { top: auto; bottom: 60px; right: 50%; transform: translateX(50%) translateY(8px); }
  .ctx-menu.visible { transform: translateX(50%) translateY(0); }
  .slide-title::after { width: 30px; height: 2px; }
  .slide-content ul li::before { width: 5px; height: 5px; }
}

@media (max-width: 480px) {
  .slide { padding: 18px 16px; border-radius: var(--vv-radius-sm); gap: 8px; }
  .slide-title { font-size: clamp(1.1rem, 5vw, 1.4rem) !important; }
  .slide-content { font-size: 0.85rem !important; line-height: 1.6 !important; }
  .slide-module-bar { font-size: 0.6rem; letter-spacing: 1px; padding-bottom: 4px; }
  .card-meta { gap: 8px; }
  .slide-type-badge { padding: 3px 10px; font-size: 0.55rem; }
}

/* === PRINT / PDF === */
@media print {
  body { overflow: visible !important; background: white !important; color: #222 !important; }
  .slide-viewport { height: auto !important; background: white !important; display: block !important; }
  .slide-card, .slide-card-inner, .slide-card-front, .slide-card-back {
    position: static !important; width: 100% !important; height: auto !important;
    transform: none !important; perspective: none !important;
    backface-visibility: visible !important;
  }
  .slide-card-front { display: none !important; }
  .slide {
    width: 100% !important; max-height: none !important; height: auto !important;
    page-break-after: always; box-shadow: none !important;
    border: none !important; backdrop-filter: none !important;
    background: white !important; color: #222 !important;
    padding: 20px 30px !important; border-radius: 0 !important;
  }
  .slide-title { color: #111 !important; }
  .slide-content { color: #333 !important; }
  .slide-content strong { color: #000 !important; }
  .slide-notes { display: block !important; color: #666 !important; }
  /* Show all reveal groups in print */
  .reveal-group { opacity: 1 !important; transform: none !important; }
  /* Hide UI elements */
  .progress-bar, .slide-progress, .click-zone, .ctx-menu { display: none !important; }
  /* Type badges print-friendly */
  .slide-type-badge { border-color: #ccc !important; color: #555 !important; }
  .slide-module-bar { color: #888 !important; }
  .slide-module-dot { background: #888 !important; box-shadow: none !important; }
}

/* ═══ COUNTDOWN TIMER OVERLAY ═══ */
.cd-overlay {
  position: fixed; inset: 0; z-index: 8000;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
  animation: cdFadeIn 0.5s ease;
}
.cd-fade-out { animation: cdFadeOut 0.5s ease forwards; }

@keyframes cdFadeIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes cdFadeOut {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(1.3); }
}

.cd-card {
  position: relative;
  width: 180px; height: 180px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10, 8, 20, 0.55);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 60px rgba(56, 161, 219, 0.15), 0 8px 32px rgba(0, 0, 0, 0.4);
  transition: border-color 0.5s, box-shadow 0.5s;
}

/* SVG ring */
.cd-ring {
  position: absolute; inset: -8px;
  width: calc(100% + 16px); height: calc(100% + 16px);
  transform: rotate(-90deg);
}
.cd-ring-bg {
  fill: none; stroke: rgba(255, 255, 255, 0.04);
  stroke-width: 3;
}
.cd-ring-progress {
  fill: none; stroke: var(--vv-blue);
  stroke-width: 3; stroke-linecap: round;
  stroke-dasharray: 326.73; /* 2πr = 2×π×52 */
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear, stroke 0.5s;
}

.cd-inner {
  text-align: center; z-index: 1;
}
.cd-time {
  font-family: 'JetBrains Mono', 'Kanit', monospace;
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--vv-white);
  letter-spacing: 2px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.5s;
  text-shadow: 0 0 20px rgba(56, 161, 219, 0.3);
}
.cd-label {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--vv-text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Urgency: last 30 seconds */
.cd-card.cd-urgent {
  border-color: rgba(251, 191, 36, 0.3);
  box-shadow: 0 0 60px rgba(251, 191, 36, 0.15), 0 8px 32px rgba(0, 0, 0, 0.4);
}
.cd-card.cd-urgent .cd-ring-progress { stroke: #fbbf24; }
.cd-card.cd-urgent .cd-time {
  color: #fbbf24;
  text-shadow: 0 0 20px rgba(251, 191, 36, 0.4);
}

/* Critical: last 10 seconds */
.cd-card.cd-critical {
  border-color: rgba(239, 68, 68, 0.4);
  box-shadow: 0 0 60px rgba(239, 68, 68, 0.2), 0 8px 32px rgba(0, 0, 0, 0.4);
  animation: cdPulse 1s ease-in-out infinite;
}
.cd-card.cd-critical .cd-ring-progress { stroke: #ef4444; }
.cd-card.cd-critical .cd-time {
  color: #ef4444;
  font-size: 3rem;
  text-shadow: 0 0 30px rgba(239, 68, 68, 0.5);
}

@keyframes cdPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

/* Done celebration */
.cd-card.cd-done {
  border-color: rgba(52, 211, 153, 0.4);
  box-shadow: 0 0 80px rgba(52, 211, 153, 0.25), 0 0 120px rgba(56, 161, 219, 0.15);
  animation: cdCelebrate 0.6s ease;
}
.cd-card.cd-done .cd-ring-progress { stroke: #34d399; }
.cd-card.cd-done .cd-time {
  color: #34d399;
  font-size: 2rem;
  text-shadow: 0 0 30px rgba(52, 211, 153, 0.5);
}
.cd-card.cd-done .cd-label {
  color: #34d399;
  font-weight: 600;
  font-size: 0.85rem;
}

@keyframes cdCelebrate {
  0% { transform: scale(1); }
  40% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

/* ═══ RIGHT HUD (Context Menu) ═══ */
.right-hud-zone {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 80px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 20px;
  pointer-events: none;
}

.ctx-menu-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: auto;
}

.right-hud-zone:hover .ctx-menu-right,
.ctx-menu-right.visible {
  transform: translateX(0);
}

.ctx-btn-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(18, 18, 21, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.ctx-btn-icon:hover {
  background: rgba(56, 161, 219, 0.2);
  color: #fff;
  border-color: rgba(56, 161, 219, 0.5);
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(56, 161, 219, 0.4);
}

/* ═══ View Transitions (Slide Effect) ═══ */

/* Suppress default root cross-fade (otherwise it overlays our slide animations) */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-old(slide-card),
::view-transition-new(slide-card) {
  animation-duration: 0.4s;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
  animation-fill-mode: both;
}

html.dir-next ::view-transition-old(slide-card) { animation-name: carouselExitNext; mix-blend-mode: normal; }
html.dir-next ::view-transition-new(slide-card) { animation-name: carouselEnterNext; mix-blend-mode: normal; }

html.dir-prev ::view-transition-old(slide-card) { animation-name: carouselExitPrev; mix-blend-mode: normal; }
html.dir-prev ::view-transition-new(slide-card) { animation-name: carouselEnterPrev; mix-blend-mode: normal; }