/* ViPeo (Prep Shorts) page — list & desktop aesthetics */
.page-prep-shorts-reels .prep-shorts-main {
  background: var(--app-bg);
  background-image: var(--app-gradient-mesh);
  background-attachment: fixed;
  min-height: 0;
}
.page-prep-shorts-reels .prep-shorts-inner {
  padding-bottom: var(--app-space-lg);
}

/* Hero block */
.prep-shorts-page-head {
  margin-bottom: var(--app-space-xl);
}
.prep-shorts-hero {
  text-align: center;
  padding: var(--app-space-xl) var(--app-space-lg);
  background: var(--app-gradient-soft);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--app-radius-lg);
  margin: 0 var(--app-space) var(--app-space-xl);
  box-shadow: var(--app-shadow-card);
}
.prep-shorts-hero-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: var(--app-radius-lg);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(99, 102, 241, 0.25);
  margin-bottom: var(--app-space-md);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.15);
}
.prep-shorts-hero-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}
.prep-shorts-hero-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--app-text);
  margin: 0 0 var(--app-space-xs);
  line-height: 1.2;
}
.prep-shorts-hero-subtitle {
  font-size: var(--app-text-sm);
  color: var(--app-text-secondary);
  margin: 0 0 var(--app-space-sm);
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}
.prep-shorts-role-guide {
  margin-top: var(--app-space-sm);
  margin-bottom: var(--app-space-md);
}
.prep-shorts-role-text {
  display: none;
  font-size: var(--app-text-sm);
  color: var(--app-text-secondary);
  line-height: 1.5;
}
.prep-shorts-role-text.visible {
  display: block;
}
.prep-shorts-upload-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  background: var(--app-gradient-primary);
  border: none;
  border-radius: var(--app-radius-md);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
  transition: transform var(--app-duration-fast) var(--app-ease), box-shadow var(--app-duration) var(--app-ease);
}
.prep-shorts-upload-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.prep-shorts-mobile-top {
  display: none;
}

/* Filters bar */
.reels-filters {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: var(--app-space-md) var(--app-space);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  background: var(--app-surface);
  border-bottom: 1px solid var(--app-border-soft);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}
.reels-filters::-webkit-scrollbar {
  display: none;
}
.reels-filter-btn {
  flex-shrink: 0;
  padding: 10px 18px;
  border-radius: var(--app-radius-full);
  border: 1px solid var(--app-border);
  background: var(--app-surface);
  color: var(--app-text-secondary);
  font-size: var(--app-text-sm);
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}
.reels-filter-btn:hover {
  border-color: var(--app-primary);
  color: var(--app-primary);
  background: var(--app-primary-soft);
}
.reels-filter-btn.active {
  background: var(--app-gradient-primary);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.4);
}
.reels-filter-btn.active:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.45);
}

/* Feed & cards */
.reels-feed {
  padding: var(--app-space-lg) var(--app-space);
  display: flex;
  flex-direction: column;
  gap: var(--app-space-xl);
  max-width: 100%;
}
.reel-card {
  background: var(--app-surface);
  border-radius: var(--app-radius-lg);
  border: 1px solid var(--app-border-soft);
  overflow: hidden;
  box-shadow: var(--app-shadow-card);
  transition: border-color var(--app-duration) var(--app-ease), box-shadow var(--app-duration) var(--app-ease), transform var(--app-duration) var(--app-ease);
}
.reel-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: var(--app-shadow-card-hover);
  transform: translateY(-2px);
}
.reel-card-video-wrap {
  position: relative;
  aspect-ratio: 9/16;
  max-height: 380px;
  background: linear-gradient(145deg, var(--app-border-soft) 0%, var(--app-border) 100%);
  overflow: hidden;
}
.reel-card-video-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--app-radius-lg) var(--app-radius-lg) 0 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
  pointer-events: none;
  z-index: 1;
}
.reel-card-video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.reel-card-body {
  padding: var(--app-space-md) var(--app-space-lg);
}
.reel-card-goal {
  display: inline-block;
  font-size: var(--app-text-xs);
  font-weight: 700;
  color: var(--app-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  padding: 4px 10px;
  background: var(--app-primary-soft);
  border-radius: var(--app-radius-sm);
}
.reel-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--app-text);
  margin: 0 0 6px;
  line-height: 1.3;
}
.reel-card-desc {
  font-size: var(--app-text-sm);
  color: var(--app-text-secondary);
  margin-bottom: var(--app-space-md);
  line-height: 1.5;
}
.reel-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}
.reel-card-actions-secondary {
  margin-bottom: 0;
  padding-top: var(--app-space-sm);
  border-top: 1px solid var(--app-border-soft);
}
.reel-card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  font-size: var(--app-text-sm);
  font-weight: 600;
  border-radius: var(--app-radius-md);
  text-decoration: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}
.reel-card-visualize {
  background: var(--app-primary-soft);
  color: var(--app-primary);
  border: 1px solid rgba(99, 102, 241, 0.3);
}
.reel-card-visualize:hover {
  background: var(--app-primary);
  color: #fff;
  transform: translateY(-1px);
}
.reel-card-transcript {
  background: var(--app-gradient-primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}
.reel-card-transcript:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}
.reel-card-link {
  font-size: var(--app-text-sm);
  color: var(--app-primary);
  text-decoration: none;
  font-weight: 600;
}
.reel-card-link:hover {
  text-decoration: underline;
}
.reel-card-link-primary {
  color: var(--app-primary);
  font-weight: 700;
}
.reel-card-open {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  background: var(--app-gradient-primary);
  color: #fff;
  font-size: var(--app-text-sm);
  font-weight: 600;
  border-radius: var(--app-radius-md);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.reel-card-open:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

/* Loading state */
#reels-loading {
  text-align: center;
  padding: var(--app-space-xl);
  color: var(--app-text-muted);
}

/* Tablet & desktop: constrained width, grid, hero scale */
@media (min-width: 640px) {
  .prep-shorts-hero {
    margin-left: auto;
    margin-right: auto;
    max-width: 520px;
    padding: var(--app-space-xl) var(--app-space-xl);
  }
  .prep-shorts-hero-title {
    font-size: 2rem;
  }
  .reels-feed {
    margin-left: auto;
    margin-right: auto;
    max-width: 640px;
  }
}
@media (min-width: 900px) {
  .prep-shorts-inner {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
  }
  .prep-shorts-hero {
    max-width: 560px;
    padding: var(--app-space-xl) var(--app-space-xl);
  }
  .reels-filters {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--app-space-lg);
    padding-right: var(--app-space-lg);
  }
  .reels-feed {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--app-space-xl);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--app-space-lg);
    padding-right: var(--app-space-lg);
  }
  .reel-card-video-wrap {
    max-height: 360px;
  }
}
@media (min-width: 1100px) {
  .reels-feed {
    grid-template-columns: 1fr;
    max-width: 720px;
  }
  .reel-card-video-wrap {
    max-height: 400px;
  }
}

/* Desktop: show body below video; hide mobile-only overlay/side/top/center */
.reel-card-top-btn,
.reel-card-transcript-btn,
.reel-card-center-controls,
.reel-card-overlay,
.reel-card-side-actions {
  display: none;
}
.reel-card-body { display: block; }

/* MD viewer modal → see md-viewer.css for shared aesthetics */

/* Paper viewer — question cards with click-to-reveal answer and facts */
.paper-viewer { padding: 0 0 24px; }
.paper-intro {
  padding: 0 0 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--app-border);
}
.paper-intro .md-h1 { font-size: 1.2rem; margin: 0 0 12px; }
.paper-intro .md-h2 { font-size: 1.05rem; margin: 14px 0 8px; }
.paper-intro .md-h3 { font-size: 1rem; margin: 12px 0 6px; }
.paper-intro p, .paper-intro .md-li { margin: 0 0 8px; font-size: var(--app-text-sm); color: var(--app-text-secondary); }

.paper-question {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-lg);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--app-shadow);
}
.paper-q-head {
  padding: 14px 16px;
  border-bottom: 1px solid var(--app-border);
}
.paper-q-num {
  display: inline-block;
  font-size: var(--app-text-xs);
  font-weight: 700;
  color: var(--app-primary);
  background: var(--app-primary-soft);
  padding: 4px 10px;
  border-radius: var(--app-radius-sm);
  margin-bottom: 10px;
}
.paper-q-text {
  font-size: var(--app-text-sm);
  line-height: 1.6;
  color: var(--app-text);
}
.paper-q-text p { margin: 0 0 8px; }
.paper-q-text p:last-child { margin-bottom: 0; }
.paper-q-text strong { font-weight: 600; }

.paper-reveals { padding: 8px 16px 14px; }
.paper-toggle {
  margin-top: 8px;
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-md);
  overflow: hidden;
  background: var(--app-bg);
}
.paper-toggle-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border: none;
  background: transparent;
  font-size: var(--app-text-sm);
  font-weight: 600;
  color: var(--app-primary);
  cursor: pointer;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}
.paper-toggle-btn:hover { background: var(--app-primary-soft); }
.paper-toggle-icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-left: 8px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.paper-toggle-btn[aria-expanded="true"] .paper-toggle-icon { transform: rotate(-135deg); }
.paper-toggle-body {
  display: none;
  padding: 14px 16px;
  border-top: 1px solid var(--app-border);
  background: var(--app-surface);
}
.paper-toggle-body .paper-answer-line { margin-bottom: 10px; }
.paper-toggle-body .paper-answer-line strong { color: var(--app-success); }
.paper-toggle-body .paper-detailed { margin-top: 8px; font-size: var(--app-text-sm); color: var(--app-text-secondary); line-height: 1.55; }
.paper-toggle-body .paper-facts-content p,
.paper-toggle-body .paper-facts-content .paper-li,
.paper-toggle-body .paper-facts-content .md-li { margin: 0 0 6px; font-size: var(--app-text-sm); line-height: 1.5; }
.paper-toggle-body .paper-facts-content .paper-li { list-style: disc; padding-left: 1.2em; display: list-item; }
.paper-toggle-btn[aria-expanded="true"] + .paper-toggle-body { display: block; }

.paper-facts-key-wrap .paper-toggle-btn { color: var(--app-primary); }
.paper-facts-rare-wrap .paper-toggle-btn { color: #7c3aed; }
.paper-facts-rare-wrap .paper-toggle-body { border-top-color: rgba(124, 58, 237, 0.2); }

/* ========== Prep Shorts: full-screen reels on mobile — elite aesthetics ========== */
@media (max-width: 768px) {
  body.page-prep-shorts-reels {
    --reel-bg: #050c20;
    --reel-bg-feed: #0b1228;
    --reel-glass: rgba(9, 22, 51, 0.58);
    --reel-glass-border: rgba(184, 203, 255, 0.22);
    --reel-text: #eef3ff;
    --reel-text-soft: rgba(235, 242, 255, 0.92);
    --reel-pill-bg: rgba(77, 136, 255, 0.28);
    --reel-pill-border: rgba(160, 185, 255, 0.48);
    --reel-cta-gradient: linear-gradient(135deg, #0f7bff 0%, #0059dc 50%, #3f67ff 100%);
    --reel-cta-shadow: 0 4px 20px rgba(15, 123, 255, 0.38);
    --reel-overlay-gradient: linear-gradient(180deg, transparent 0%, rgba(5, 12, 32, 0.35) 25%, rgba(5, 12, 32, 0.82) 75%, rgba(5, 12, 32, 0.96) 100%);
    background: var(--reel-bg);
  }

  /* ——— Mobile top bar ——— */
  body.page-prep-shorts-reels .prep-shorts-mobile-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.4rem 0.5rem 0.2rem;
    padding-top: max(0.5rem, env(safe-area-inset-top));
    padding-left: max(0.4rem, env(safe-area-inset-left));
    padding-right: max(0.4rem, env(safe-area-inset-right));
    min-height: 44px;
    background: rgba(5, 12, 32, 0.88);
    color: var(--reel-text);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--reel-glass-border);
    box-shadow: none;
  }
  body.page-prep-shorts-reels .prep-shorts-mobile-back {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--reel-text);
    -webkit-tap-highlight-color: transparent;
    border-radius: 50%;
    transition: background 0.2s ease, transform 0.15s ease;
  }
  body.page-prep-shorts-reels .prep-shorts-mobile-back:active {
    background: rgba(255, 255, 255, 0.08);
    transform: scale(0.95);
  }
  body.page-prep-shorts-reels .prep-shorts-mobile-top {
    gap: 0.5rem;
  }
  body.page-prep-shorts-reels .prep-shorts-mobile-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 32px;
    padding: 0.28rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--reel-glass-border);
    background: var(--reel-glass);
    color: var(--reel-text);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    transition: background 0.2s ease, transform 0.15s ease;
    cursor: pointer;
    font-family: inherit;
    box-shadow: none;
  }
  body.page-prep-shorts-reels .prep-shorts-mobile-btn:active {
    background: rgba(9, 22, 51, 0.78);
    transform: scale(0.97);
  }
  body.page-prep-shorts-reels a.prep-shorts-mobile-btn:hover {
    color: var(--reel-text);
  }

  body.page-prep-shorts-reels .prep-shorts-header,
  body.page-prep-shorts-reels .prep-shorts-tabbar {
    display: none;
  }
  body.page-prep-shorts-reels .prep-shorts-main {
    margin: 0;
    padding: 0;
    min-height: 100dvh;
    height: 100dvh;
    overflow: hidden;
    background: var(--reel-bg);
  }
  body.page-prep-shorts-reels .prep-shorts-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }
  body.page-prep-shorts-reels .prep-shorts-page-head,
  body.page-prep-shorts-reels .reels-filters {
    display: none;
  }
  body.page-prep-shorts-reels .reels-feed {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-snap-type: y mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 0;
    gap: 0;
    background: var(--reel-bg-feed);
    display: flex;
    flex-direction: column;
    scrollbar-width: none;
  }
  body.page-prep-shorts-reels .reels-feed::-webkit-scrollbar {
    display: none;
  }

  /* ——— Reel card ——— */
  body.page-prep-shorts-reels .reel-card {
    flex: 0 0 100dvh;
    height: 100dvh;
    min-height: 100dvh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    border-radius: 0;
    border: 0;
    box-shadow: none;
    background: var(--reel-bg);
    position: relative;
    overflow: hidden;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-body {
    display: none;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-video-wrap {
    position: absolute;
    inset: 0;
    aspect-ratio: auto;
    max-height: none;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-video-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5, 12, 32, 0.25) 0%, transparent 18%);
    pointer-events: none;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-video-wrap video {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* ——— Top actions: only fixed top bar (Transcript / Visualize). Per-card top buttons hidden. ——— */
  body.page-prep-shorts-reels .reel-card .reel-card-top-btn,
  body.page-prep-shorts-reels .reel-card .reel-card-transcript-btn {
    display: none !important;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-center-controls,
  body.page-prep-shorts-reels .reel-card .reel-card-overlay,
  body.page-prep-shorts-reels .reel-card .reel-card-side-actions {
    display: flex;
  }
  /* Fixed top bar: small buttons, no shadow */
  body.page-prep-shorts-reels .prep-shorts-mobile-top {
    box-shadow: none;
  }
  body.page-prep-shorts-reels .prep-shorts-mobile-btn {
    min-height: 32px;
    padding: 0.28rem 0.6rem;
    font-size: 0.7rem;
    box-shadow: none;
  }

  /* ——— Bottom overlay ——— */
  body.page-prep-shorts-reels .reel-card .reel-card-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    max-width: calc(100% - 76px);
    padding: 0.65rem 0.75rem;
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
    background: var(--reel-overlay-gradient);
    flex-direction: column;
    align-items: flex-start;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-overlay .reel-card-goal {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #d9e5ff;
    background: var(--reel-pill-bg);
    border: 1px solid var(--reel-pill-border);
    padding: 0.28rem 0.55rem;
    margin-bottom: 0.45rem;
    box-shadow: none;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-overlay .reel-card-title {
    margin: 0 0 0.35rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 0, 0, 0.25);
  }
  body.page-prep-shorts-reels .reel-card .reel-card-overlay .reel-card-desc {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.45;
    letter-spacing: 0.01em;
    color: var(--reel-text-soft);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  }
  body.page-prep-shorts-reels .reel-card .reel-card-overlay .reel-card-actions {
    margin-top: 0.65rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-overlay .reel-card-btn {
    min-height: 36px;
    padding: 0.32rem 0.72rem;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-overlay .reel-card-btn-secondary {
    color: #e7eeff;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(200, 220, 255, 0.12));
    border: 1px solid rgba(180, 202, 255, 0.48);
    box-shadow: none;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-overlay .reel-card-btn-secondary:active {
    transform: scale(0.98);
  }
  body.page-prep-shorts-reels .reel-card .reel-card-overlay .reel-card-btn-primary {
    color: #fff;
    background: var(--reel-cta-gradient);
    border: 1px solid rgba(0, 88, 220, 0.7);
    box-shadow: none;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-overlay .reel-card-btn-primary:active {
    transform: scale(0.98);
  }

  /* ——— Side actions ——— */
  body.page-prep-shorts-reels .reel-card .reel-card-side-actions {
    position: absolute;
    right: 0.52rem;
    bottom: calc(86px + env(safe-area-inset-bottom, 0px));
    z-index: 3;
    flex-direction: column;
    gap: 0.4rem;
    align-items: center;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-side-btn {
    border: 1px solid rgba(175, 197, 255, 0.5);
    background: rgba(9, 22, 51, 0.68);
    color: var(--reel-text);
    width: 40px;
    min-width: 40px;
    min-height: 40px;
    border-radius: 999px;
    padding: 0.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.1rem;
    font-size: 0.6rem;
    font-weight: 700;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    border: none;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-side-btn:active {
    transform: scale(0.94);
  }
  body.page-prep-shorts-reels .reel-card .reel-card-side-btn[aria-pressed="true"] {
    background: linear-gradient(135deg, rgba(15, 123, 255, 0.9), rgba(63, 103, 255, 0.9));
    border-color: rgba(160, 196, 255, 0.9);
    box-shadow: none;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-side-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    filter: none;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-side-text {
    display: none;
  }

  /* ——— Center controls (play / mute) ——— */
  body.page-prep-shorts-reels .reel-card .reel-card-center-controls {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 4;
    align-items: center;
    gap: 0.6rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
  }
  body.page-prep-shorts-reels .reel-card.show-center-controls .reel-card-center-controls {
    opacity: 1;
    pointer-events: auto;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-center-btn {
    border: 1px solid rgba(200, 214, 255, 0.6);
    background: rgba(9, 22, 51, 0.55);
    color: var(--reel-text);
    min-width: 72px;
    min-height: 34px;
    border-radius: 999px;
    padding: 0.28rem 0.55rem;
    font-size: 0.68rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    font-weight: 700;
    cursor: pointer;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    -webkit-tap-highlight-color: transparent;
    border: none;
    box-shadow: none;
    transition: transform 0.15s ease, background 0.2s ease;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-center-btn:active {
    transform: scale(0.96);
  }

  /* ——— Transcript panel ——— */
  body.page-prep-shorts-reels .reel-card .reel-card-transcript-panel {
    position: absolute;
    top: calc(3.1rem + env(safe-area-inset-top, 0px));
    right: 0.65rem;
    z-index: 5;
    width: min(72vw, 288px);
    border-radius: 14px;
    border: 1px solid var(--reel-glass-border);
    background: rgba(9, 22, 51, 0.72);
    color: #eaf1ff;
    padding: 0.65rem 0.75rem;
    font-size: 0.74rem;
    line-height: 1.4;
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    box-shadow: none;
    display: none;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-transcript-panel p {
    margin: 0.25rem 0 0;
  }
  body.page-prep-shorts-reels .reel-card .reel-card-transcript-panel.is-open {
    display: block;
  }
}