/* =========================================================
   Today is a Birthday! - V5
   Scoped storybook CSS only.
   This file intentionally avoids styling body, header, ads,
   footer, and other page-level elements.
   ========================================================= */

/* Tiny utility used by the topper/app JS. */
.hidden { display: none !important; }

/* -----------------------------
   Storybook Topper - scoped only
   ----------------------------- */
#abzStoryTopper {
  --topper-ink: #f8fafc;
  --topper-muted: #94a3b8;
  --topper-blue: #38bdf8;
  --topper-purple: #8b5cf6;
  --topper-pink: #fb1685;
  --topper-gold: #fbbf24;
  width: min(98vw, 1680px);
  margin: 14px auto 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(14px, 1.5vw, 20px);
  border-radius: 28px;
  color: var(--topper-ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(56, 189, 248, 0.16), transparent 19rem),
    radial-gradient(circle at 86% 12%, rgba(251, 22, 133, 0.14), transparent 20rem),
    linear-gradient(180deg, #182234, #0b1220);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 18px 45px rgba(2, 8, 23, 0.45);
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#abzStoryTopper,
#abzStoryTopper * { box-sizing: border-box; }

#abzStoryTopper .story-topper-main {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}

#abzStoryTopper .story-topper-icon {
  flex: 0 0 auto;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(56,189,248,0.22), rgba(139,92,246,0.22));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 12px 22px rgba(2, 8, 23, 0.35);
  font-size: 1.85rem;
}

#abzStoryTopper .story-topper-copy { min-width: 0; }

#abzStoryTopper .story-topper-eyebrow {
  margin: 0 0 4px;
  color: var(--topper-blue);
  font-size: 0.74rem;
  line-height: 1;
  font-weight: 950;
  letter-spacing: 0.095em;
  text-transform: uppercase;
}

#abzStoryTopper h1 {
  margin: 0;
  color: var(--topper-ink);
  font-size: clamp(1.45rem, 2.15vw, 2.65rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
  font-weight: 950;
}

#abzStoryTopper .story-topper-greeting {
  margin: 6px 0 0;
  color: var(--topper-muted);
  font-size: 0.94rem;
  font-weight: 750;
}

#abzStoryTopper .story-topper-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}

#abzStoryTopper .story-topper-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 7px 10px;
  border-radius: 999px;
  color: #bae6fd;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.22);
  font-size: 0.72rem;
  font-weight: 900;
  white-space: nowrap;
}

#abzStoryTopper .story-topper-meta span:nth-child(2) {
  color: #fde68a;
  background: rgba(251, 191, 36, 0.14);
  border-color: rgba(251, 191, 36, 0.28);
}

#abzStoryTopper .story-topper-actions {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
}

#abzStoryTopper .story-topper-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 43px;
  padding: 11px 15px;
  border-radius: 999px;
  border: 0;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 950;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

#abzStoryTopper .story-topper-btn:hover { transform: translateY(-2px); }

#abzStoryTopper .story-topper-btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--topper-blue), var(--topper-purple) 62%, var(--topper-pink));
  box-shadow: 0 12px 24px rgba(56, 189, 248, 0.25);
}

#abzStoryTopper .story-topper-btn-secondary {
  color: var(--topper-ink);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 9px 18px rgba(2, 8, 23, 0.25);
}

#abzStoryTopper .story-topper-btn-ghost {
  color: var(--topper-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

/* -----------------------------
   Book app - all styles scoped
   ----------------------------- */
#ibook_app {
  --story-bg: #08111f;
  --story-bg-2: #111827;
  --story-paper: #fffaf0;
  --story-paper-2: #fff2cf;
  --story-ink: #17213b;
  --story-muted: #5f6e86;
  --story-blue: #2563eb;
  --story-purple: #6d5dfc;
  --story-pink: #ec4899;
  --story-cyan: #22d3ee;
  --story-gold: #fbbf24;
  --story-green: #22c55e;
  --story-font: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  position: relative;
  isolation: isolate;
  width: min(98vw, 1680px);
  height: min(95vh, 940px);
  min-height: 650px;
  max-height: 95vh;
  margin: 0 auto 26px;
  overflow: hidden;
  border-radius: 36px;
  color: var(--story-ink);
  background:
    radial-gradient(circle at 10% 8%, rgba(34, 211, 238, 0.22), transparent 25rem),
    radial-gradient(circle at 90% 12%, rgba(236, 72, 153, 0.18), transparent 24rem),
    radial-gradient(circle at 50% 100%, rgba(251, 191, 36, 0.13), transparent 26rem),
    linear-gradient(145deg, var(--story-bg) 0%, #101a2f 50%, #111827 100%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
  font-family: var(--story-font);
}

#ibook_app,
#ibook_app * { box-sizing: border-box; }

#ibook_app img,
#ibook_app svg { max-width: 100%; }

#ibook_app button,
#ibook_app input,
#ibook_app textarea { font-family: inherit; }

#ibook_app::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.7), transparent 88%);
}

#ibook_app .screen {
  height: 100%;
  width: 100%;
}

#ibook_app .story-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 14px 22px;
  border: 0;
  border-radius: 999px;
  font-weight: 950;
  font-size: 0.98rem;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

#ibook_app .story-btn:hover { transform: translateY(-2px); }
#ibook_app .story-btn:active { transform: translateY(1px) scale(0.99); }

#ibook_app .story-btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--story-blue), var(--story-purple) 58%, var(--story-pink));
  box-shadow: 0 18px 30px rgba(37, 99, 235, 0.32), inset 0 1px 0 rgba(255,255,255,0.22);
}

#ibook_app .story-btn-secondary {
  color: #eff6ff;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12);
}

#ibook_app .story-btn-light {
  color: #10213d;
  background: linear-gradient(135deg, #ffffff, #e0f2fe);
  box-shadow: 0 16px 28px rgba(15, 23, 42, 0.16), inset 0 1px 0 rgba(255,255,255,0.75);
}

/* Beginning closed book */
#ibook_app .home_screen {
  display: grid;
  place-items: center;
  padding: clamp(18px, 3vw, 38px);
}

#ibook_app .beginning-book-wrap {
  width: min(1180px, 100%);
  display: grid;
  grid-template-columns: minmax(330px, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(22px, 4vw, 54px);
  align-items: center;
}

#ibook_app .closed-book {
  position: relative;
  display: grid;
  min-height: min(72vh, 650px);
  perspective: 1600px;
}

#ibook_app .book-cover-closed {
  position: relative;
  width: min(500px, 100%);
  align-self: center;
  justify-self: center;
  padding: clamp(16px, 2vw, 24px);
  border-radius: 34px 24px 24px 34px;
  color: white;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.28) 0 18px, transparent 18px),
    radial-gradient(circle at 80% 8%, rgba(255,255,255,0.16), transparent 14rem),
    linear-gradient(145deg, #2563eb, #6d5dfc 62%, #ec4899);
  box-shadow: 26px 30px 55px rgba(0, 0, 0, 0.32), inset 8px 0 0 rgba(0,0,0,0.20), inset 0 1px 0 rgba(255,255,255,0.22);
  transform: rotateY(-8deg) rotateZ(-1deg);
  transform-origin: left center;
  animation: bookFloat 5s ease-in-out infinite;
}

#ibook_app .book-cover-closed::after {
  content: "";
  position: absolute;
  inset: 18px 10px 18px auto;
  width: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.24);
  filter: blur(0.2px);
}

#ibook_app .cover-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  min-height: 32px;
  margin-bottom: 14px;
  padding: 8px 13px;
  border-radius: 999px;
  color: #1e1b4b;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.42);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

#ibook_app .book-cover-closed img {
  display: block;
  width: 100%;
  aspect-ratio: 1.2 / 1;
  object-fit: cover;
  border-radius: 24px;
  background: #dbeafe;
  box-shadow: 0 18px 38px rgba(0,0,0,0.20), inset 0 0 0 1px rgba(255,255,255,0.36);
}

#ibook_app .book-cover-title {
  margin: 18px 0 6px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
  font-weight: 950;
}

#ibook_app .book-cover-subtitle {
  margin: 0;
  color: rgba(255,255,255,0.84);
  line-height: 1.55;
  font-weight: 750;
}

#ibook_app .beginning-copy { color: #fff; }

#ibook_app .story-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 9px 14px;
  color: #cffafe;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.26);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

#ibook_app .main-title {
  margin: 16px 0 14px;
  color: #fff;
  font-size: clamp(3rem, 6.6vw, 6.2rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
  font-weight: 950;
}

#ibook_app .story-gradient-text {
  color: transparent;
  background: linear-gradient(90deg, #22d3ee, #a78bfa 46%, #fb7185 92%);
  -webkit-background-clip: text;
  background-clip: text;
}

#ibook_app .story-hero-subtitle {
  width: min(700px, 100%);
  margin: 0 0 22px;
  color: #dbeafe;
  font-size: clamp(1rem, 1.45vw, 1.2rem);
  line-height: 1.68;
  font-weight: 650;
}

#ibook_app .story-home-actions,
#ibook_app .story-skill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  align-items: center;
}

#ibook_app .story-home-actions { margin-bottom: 20px; }

#ibook_app .story-mini-pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  color: #dbeafe;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.76rem;
  font-weight: 850;
}

#ibook_app.is-opening-book .book-cover-closed {
  animation: bookOpenFromCover 760ms cubic-bezier(.2,.85,.22,1) both;
}

/* Story pages */
#ibook_app .book_screen {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
  padding: clamp(10px, 1.35vw, 18px);
}

#ibook_app .book-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 0.68fr) minmax(320px, 1.32fr);
  gap: 12px;
  align-items: center;
  min-height: 50px;
  padding: 10px 12px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.11);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12);
  backdrop-filter: blur(18px);
}

#ibook_app .progress-wrap { display: grid; gap: 7px; }

#ibook_app .progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  color: #e2e8f0;
  font-size: 0.82rem;
  font-weight: 850;
}

#ibook_app .progress-track {
  position: relative;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

#ibook_app .progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--story-cyan), var(--story-purple), var(--story-pink));
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.38);
  transition: width 520ms cubic-bezier(.22, 1, .36, 1);
}

#ibook_app .path-trail {
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 7px;
  overflow-x: auto;
  padding: 2px;
  scrollbar-width: thin;
}

#ibook_app .path-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 230px;
  padding: 7px 10px;
  border-radius: 999px;
  color: #e0f2fe;
  background: rgba(15, 23, 42, 0.52);
  border: 1px solid rgba(255,255,255,0.13);
  font-size: 0.76rem;
  font-weight: 800;
  white-space: nowrap;
}

#ibook_app .path-chip span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
}

#ibook_app .book-stage {
  position: relative;
  min-height: 0;
  perspective: 1800px;
}

#ibook_app .book-spread {
  position: relative;
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  transform-style: preserve-3d;
  border-radius: 32px;
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.30));
}

#ibook_app .book-spread::before {
  content: "";
  position: absolute;
  inset: 18px calc(50% - 17px);
  z-index: 5;
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.18), rgba(255,255,255,0.35), rgba(0,0,0,0.12));
  box-shadow: 0 0 34px rgba(15, 23, 42, 0.22);
}

#ibook_app .book-page {
  min-height: 0;
  padding: clamp(17px, 2vw, 30px);
  background:
    radial-gradient(circle at 15% 8%, rgba(255, 255, 255, 0.94), transparent 17rem),
    linear-gradient(180deg, var(--story-paper), var(--story-paper-2));
  border: 1px solid rgba(255, 255, 255, 0.45);
  overflow: hidden;
}

#ibook_app .book-page-left {
  border-radius: 30px 10px 10px 30px;
  box-shadow: inset -20px 0 34px rgba(99, 72, 24, 0.11);
}

#ibook_app .book-page-right {
  border-radius: 10px 30px 30px 10px;
  box-shadow: inset 20px 0 34px rgba(99, 72, 24, 0.09);
}

#ibook_app .book-page-inner {
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.25vw, 16px);
  border: 1px dashed rgba(180, 122, 37, 0.14);
  border-radius: 25px;
  padding: clamp(14px, 1.55vw, 23px);
  overflow: hidden;
}

#ibook_app .page-label-row {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 9px;
}

#ibook_app .page-label,
#ibook_app .page-grade-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 30px;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

#ibook_app .page-label {
  color: #1d4ed8;
  background: rgba(219, 234, 254, 0.82);
  border: 1px solid rgba(37, 99, 235, 0.18);
}

#ibook_app .page-grade-label {
  gap: 7px;
  color: #854d0e;
  background: rgba(251, 191, 36, 0.20);
  border: 1px solid rgba(251, 191, 36, 0.34);
}

#ibook_app .page-grade-label::before { content: "★"; color: #f59e0b; }

#ibook_app .story-scene-card {
  flex: 0 1 auto;
  margin: 0;
  min-height: 0;
  max-height: min(38vh, 390px);
  overflow: hidden;
  border-radius: 25px;
  background: #e0f2fe;
  box-shadow: 0 16px 28px rgba(15, 23, 42, 0.12), inset 0 0 0 1px rgba(255,255,255,0.42);
}

#ibook_app .story-image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 205px;
  object-fit: cover;
}

#ibook_app .story-text {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  color: #17213b;
  font-size: clamp(1.05rem, 1.48vw, 1.65rem);
  line-height: 1.45;
  font-weight: 900;
  letter-spacing: -0.045em;
}

#ibook_app .story-text p {
  margin: 0 0 clamp(10px, 1.25vw, 18px);
}

#ibook_app .story-text p:last-child { margin-bottom: 0; }

#ibook_app .question-panel { justify-content: flex-start; }

#ibook_app .question-box {
  position: relative;
  flex: 0 0 auto;
  overflow: hidden;
  padding: clamp(18px, 2.2vw, 30px);
  border-radius: 28px;
  color: white;
  background:
    radial-gradient(circle at 12% 0%, rgba(34, 211, 238, 0.30), transparent 13rem),
    radial-gradient(circle at 90% 0%, rgba(236, 72, 153, 0.30), transparent 11rem),
    linear-gradient(145deg, #0f172a, #1e1b4b 62%, #312e81);
  box-shadow: 0 16px 34px rgba(49, 46, 129, 0.20);
}

#ibook_app .question-eyebrow {
  margin-bottom: 10px;
  color: #bae6fd;
  font-size: 0.75rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.10em;
}

#ibook_app .question-text {
  margin: 0;
  color: white;
  font-size: clamp(1.45rem, 2.32vw, 2.68rem);
  line-height: 1.14;
  font-weight: 950;
  letter-spacing: -0.06em;
}

#ibook_app .choices-container {
  flex: 0 0 auto;
  display: grid;
  gap: clamp(10px, 1.25vh, 14px);
}

#ibook_app .choice-card {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  width: 100%;
  min-height: clamp(70px, 9vh, 88px);
  padding: clamp(13px, 1.4vw, 20px);
  border-radius: 25px;
  border: 2px solid rgba(84, 112, 255, 0.22);
  color: #17213b;
  background:
    radial-gradient(circle at 100% 0%, rgba(219, 234, 254, 0.70), transparent 15rem),
    linear-gradient(135deg, rgba(255,255,255,0.98), rgba(239,246,255,0.98));
  box-shadow: 0 13px 26px rgba(15, 23, 42, 0.10);
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

#ibook_app .choice-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.14), rgba(37, 99, 235, 0.10), rgba(109, 93, 252, 0.12));
  opacity: 0;
  transition: opacity 180ms ease;
}

#ibook_app .choice-card:hover,
#ibook_app .choice-card:focus-visible {
  transform: translateY(-3px) scale(1.006);
  border-color: rgba(109, 93, 252, 0.48);
  box-shadow: 0 18px 38px rgba(37, 99, 235, 0.18);
  outline: none;
}

#ibook_app .choice-card:hover::before,
#ibook_app .choice-card:focus-visible::before { opacity: 1; }

#ibook_app .choice-number {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 17px;
  color: white;
  background: linear-gradient(135deg, #2563eb, #6d5dfc);
  font-size: 1rem;
  font-weight: 950;
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.24);
}

#ibook_app .choice-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#ibook_app .choice-kicker {
  color: #5b5bd6;
  font-size: clamp(0.66rem, 0.78vw, 0.78rem);
  line-height: 1;
  font-weight: 950;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

#ibook_app .choice-text {
  color: #17213b;
  font-size: clamp(1rem, 1.23vw, 1.35rem);
  line-height: 1.20;
  font-weight: 900;
  letter-spacing: -0.04em;
  overflow-wrap: anywhere;
}

#ibook_app .choice-arrow {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  color: #1d4ed8;
  background: #eaf1ff;
  border: 1px solid rgba(37, 99, 235, 0.10);
  font-size: 1.2rem;
  transition: transform 180ms ease, background 180ms ease;
}

#ibook_app .choice-card:hover .choice-arrow,
#ibook_app .choice-card:focus-visible .choice-arrow {
  transform: translateX(4px);
  background: #dbeafe;
}

#ibook_app .teacher-intel-panel {
  flex: 0 0 auto;
  width: 100%;
  margin-top: auto;
  padding: clamp(12px, 1.25vw, 16px);
  border-radius: 22px;
  background:
    radial-gradient(circle at 12% 0%, rgba(251, 191, 36, 0.18), transparent 10rem),
    linear-gradient(180deg, rgba(255, 251, 235, 0.96), rgba(255, 247, 214, 0.92));
  color: #422006;
  border: 1px solid rgba(251, 191, 36, 0.44);
  box-shadow: 0 14px 26px rgba(120, 53, 15, 0.09), inset 0 1px 0 rgba(255,255,255,0.8);
}

#ibook_app .intel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

#ibook_app .intel-badge,
#ibook_app .intel-standard {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border-radius: 999px;
  font-weight: 950;
  font-size: 0.70rem;
  text-transform: uppercase;
  letter-spacing: 0.055em;
  white-space: nowrap;
}

#ibook_app .intel-badge {
  color: #713f12;
  background: rgba(251, 191, 36, 0.24);
  border: 1px solid rgba(251, 191, 36, 0.36);
}

#ibook_app .intel-standard {
  color: #1d4ed8;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.12);
}

#ibook_app .intel-title {
  margin: 0 0 5px;
  color: #422006;
  font-size: clamp(0.92rem, 1vw, 1.06rem);
  line-height: 1.22;
  font-weight: 950;
  letter-spacing: -0.025em;
}

#ibook_app .intel-description {
  margin: 0;
  color: #854d0e;
  font-size: clamp(0.78rem, 0.86vw, 0.90rem);
  line-height: 1.42;
  font-weight: 700;
}

#ibook_app .book-spread.is-turning .book-page-right {
  animation: pageFlip 620ms cubic-bezier(.2,.84,.2,1) both;
}

#ibook_app.is-closing-book .book-spread {
  animation: bookCloseToCover 780ms cubic-bezier(.2,.85,.22,1) both;
}

/* End closed book */
#ibook_app .end-screen {
  display: grid;
  place-items: center;
  padding: clamp(16px, 2.5vw, 30px);
}

#ibook_app .end-card {
  width: min(1350px, 100%);
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(280px, 0.74fr) minmax(360px, 1.26fr);
  gap: clamp(16px, 2.4vw, 28px);
  align-items: stretch;
  color: white;
}

#ibook_app .end-book-panel,
#ibook_app .end-details-panel {
  min-height: 0;
  overflow: hidden;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.11);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(20px);
}

#ibook_app .end-book-panel {
  display: grid;
  place-items: center;
  padding: clamp(16px, 2vw, 26px);
}

#ibook_app .end-book-cover {
  width: min(390px, 100%);
  padding: 18px;
  border-radius: 34px 24px 24px 34px;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.28) 0 18px, transparent 18px),
    linear-gradient(145deg, #16a34a, #2563eb 56%, #6d5dfc);
  box-shadow: 22px 26px 46px rgba(0,0,0,0.28), inset 8px 0 0 rgba(0,0,0,0.18);
  transform: rotateY(-6deg);
  animation: endBookPop 520ms ease both;
}

#ibook_app .end-book-cover img {
  display: block;
  width: 100%;
  aspect-ratio: 1.2 / 1;
  object-fit: cover;
  border-radius: 22px;
  box-shadow: 0 16px 30px rgba(0,0,0,0.18);
}

#ibook_app .end-title {
  margin: 14px 0 8px;
  color: #fff;
  font-size: clamp(2rem, 4.5vw, 4.2rem);
  line-height: 0.96;
  font-weight: 950;
  letter-spacing: -0.07em;
}

#ibook_app .end-copy {
  margin: 0;
  color: #dbeafe;
  font-size: 0.98rem;
  line-height: 1.62;
  font-weight: 650;
}

#ibook_app .end-details-panel {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 12px;
  padding: clamp(16px, 2vw, 24px);
}

#ibook_app .story-score-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

#ibook_app .score-tile {
  padding: 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.14);
}

#ibook_app .score-tile strong {
  display: block;
  color: white;
  font-size: clamp(1.35rem, 2.2vw, 2.15rem);
  line-height: 1;
  font-weight: 950;
}

#ibook_app .score-tile span {
  display: block;
  margin-top: 6px;
  color: #cbd5e1;
  font-size: 0.76rem;
  font-weight: 850;
}

#ibook_app .story-recap {
  padding: 14px;
  border-radius: 20px;
  color: #e2e8f0;
  background: rgba(15, 23, 42, 0.46);
  border: 1px solid rgba(255,255,255,0.10);
  text-align: left;
}

#ibook_app .story-recap h3 {
  margin: 0 0 10px;
  color: white;
  font-size: 0.92rem;
  font-weight: 950;
}

#ibook_app .recap-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

#ibook_app .recap-pill {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 7px 9px;
  border-radius: 999px;
  color: #dbeafe;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.10);
  font-size: 0.73rem;
  font-weight: 800;
}

#ibook_app .story-feedback-support {
  min-height: 0;
  overflow: hidden;
}

#ibook_app .abz_support-inner { height: 100%; }

#ibook_app .abz_card {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  border-radius: 26px;
  padding: clamp(14px, 1.5vw, 20px);
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 213, 79, 0.20), transparent 14rem),
    linear-gradient(135deg, rgba(255,255,255,0.98), rgba(255,248,225,0.95));
  color: #2d1b05;
  border: 1px solid rgba(251, 191, 36, 0.34);
  box-shadow: 0 16px 32px rgba(120, 53, 15, 0.13);
  text-align: left;
}

#ibook_app .abz_card-head { margin-bottom: 10px; }

#ibook_app .abz_chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 0 0 8px;
  padding: 7px 10px;
  border-radius: 999px;
  color: #854d0e;
  background: rgba(251, 191, 36, 0.18);
  border: 1px solid rgba(251, 191, 36, 0.34);
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

#ibook_app .abz_card-title {
  margin: 0;
  font-size: clamp(1.35rem, 2.2vw, 2.15rem);
  line-height: 1.03;
  font-weight: 950;
  letter-spacing: -0.055em;
}

#ibook_app .abz_card-subtitle {
  margin: 6px 0 0;
  color: #6b4b18;
  font-weight: 750;
  line-height: 1.46;
  font-size: 0.86rem;
}

#ibook_app .abz_fb-form {
  min-height: 0;
  display: grid;
  gap: 9px;
}

#ibook_app .abz_field {
  display: grid;
  gap: 5px;
}

#ibook_app .abz_label {
  font-size: 0.83rem;
  font-weight: 900;
  color: #3f2a08;
}

#ibook_app .abz_required { color: #dc2626; }
#ibook_app .abz_label-soft { color: #8a6a2b; font-weight: 700; }

#ibook_app .abz_input,
#ibook_app .abz_textarea {
  width: 100%;
  border: 2px solid rgba(148, 112, 20, 0.18);
  border-radius: 16px;
  padding: 10px 12px;
  color: #17213b;
  background: rgba(255,255,255,0.92);
  font: inherit;
  font-weight: 700;
  outline: none;
}

#ibook_app .abz_textarea {
  min-height: 78px;
  max-height: 120px;
  resize: vertical;
}

#ibook_app .abz_input:focus,
#ibook_app .abz_textarea:focus {
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
}

#ibook_app .abz_btn-primary {
  width: fit-content;
  border: none;
  border-radius: 999px;
  padding: 11px 17px;
  color: white;
  background: linear-gradient(135deg, #2563eb, #6d5dfc);
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.24);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 950;
  cursor: pointer;
}

#ibook_app .assignment-status-card {
  padding: 12px 14px;
  border-radius: 20px;
  color: #e2e8f0;
  background: rgba(15, 23, 42, 0.48);
  border: 1px solid rgba(255,255,255,0.18);
  text-align: left;
}

#ibook_app .assignment-status-card strong,
#ibook_app .assignment-status-card span { display: block; }
#ibook_app .assignment-status-card strong { color: white; margin-bottom: 5px; }
#ibook_app .assignment-status-card span { color: #cbd5e1; font-size: 0.88rem; line-height: 1.45; }
#ibook_app .assignment-status-card.is-success { background: rgba(22, 163, 74, 0.16); border-color: rgba(34,197,94,0.32); }
#ibook_app .assignment-status-card.is-error { background: rgba(244, 63, 94, 0.14); border-color: rgba(251,113,133,0.30); }
#ibook_app .assignment-status-card.is-saving { background: rgba(37, 99, 235, 0.14); border-color: rgba(96,165,250,0.32); }
#ibook_app .assignment-status-actions a,
#ibook_app .assignment-status-actions button {
  display: inline-flex;
  margin-top: 9px;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  padding: 9px 13px;
  border-radius: 999px;
  border: 0;
  color: #10213d;
  background: white;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 950;
  text-decoration: none;
  cursor: pointer;
}

#ibook_app .end-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 10px;
  align-items: center;
}

#ibook_app #is_explore-placeholder,
#ibook_app .story-similar-games { display: none; }

#ibook_app .confetti-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

#ibook_app .confetti-dot {
  position: absolute;
  top: -24px;
  width: 10px;
  height: 16px;
  border-radius: 4px;
  background: var(--confetti-color, var(--story-cyan));
  animation: confettiFall 1100ms ease-in forwards;
}

#ibook_app .animate-in { animation: softRise 360ms ease both; }

/* -----------------------------
   Assignment modal - body-level, not app dependent
   ----------------------------- */
body.story-modal-open { overflow: hidden; }

.story-assignment-overlay,
.story-assignment-overlay * { box-sizing: border-box; }

.story-assignment-overlay {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(7, 11, 22, 0.74);
  backdrop-filter: blur(16px);
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.story-assignment-modal {
  position: relative;
  width: min(920px, 100%);
  max-height: min(88vh, 860px);
  overflow: auto;
  border-radius: 30px;
  padding: clamp(20px, 3vw, 34px);
  color: #f8fafc;
  background:
    radial-gradient(circle at 0% 0%, rgba(34, 211, 238, 0.16), transparent 20rem),
    linear-gradient(180deg, #182234, #0b1220);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 30px 90px rgba(0,0,0,0.55);
}

.story-modal-x {
  position: sticky;
  top: 0;
  float: right;
  z-index: 4;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 999px;
  color: #f8fafc;
  background: rgba(255,255,255,0.10);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.30);
  font-size: 1.45rem;
  font-weight: 900;
  cursor: pointer;
}

.story-modal-head { margin-bottom: 20px; padding-right: 54px; }
.story-modal-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 31px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #7dd3fc;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.24);
  font-size: 0.74rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}
.story-modal-head h2,
.story-confirmation-card h2 {
  margin: 12px 0 8px;
  color: #f8fafc;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1;
  letter-spacing: -0.06em;
  font-weight: 950;
}
.story-modal-head p,
.story-confirmation-card p {
  margin: 0;
  color: #94a3b8;
  font-size: 0.98rem;
  line-height: 1.62;
  font-weight: 650;
}
.story-teacher-login-form { display: grid; gap: 14px; }
.story-teacher-login-form label { display: grid; gap: 8px; color: #cbd5e1; font-weight: 850; }
.story-teacher-login-form input {
  width: 100%;
  min-height: 54px;
  padding: 13px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.16);
  color: #f8fafc;
  background: rgba(255,255,255,0.06);
  font: inherit;
  font-weight: 700;
  outline: none;
}
.story-teacher-login-form input:focus { border-color: rgba(34,211,238,0.55); box-shadow: 0 0 0 4px rgba(34,211,238,0.16); }
.story-modal-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 18px; }
.story-modal-actions-sticky {
  position: sticky;
  bottom: -34px;
  z-index: 5;
  margin: 22px -34px -34px;
  padding: 18px 34px;
  background: rgba(11,18,32,0.92);
  border-top: 1px solid rgba(255,255,255,0.10);
  backdrop-filter: blur(12px);
}
.story-modal-primary,
.story-modal-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 18px;
  border-radius: 999px;
  border: 0;
  font: inherit;
  font-weight: 950;
  line-height: 1;
  cursor: pointer;
}
.story-modal-primary { color: white; background: linear-gradient(135deg, #38bdf8, #8b5cf6 62%, #fb1685); box-shadow: 0 16px 30px rgba(56,189,248,0.25); }
.story-modal-secondary { color: #f8fafc; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16); box-shadow: 0 10px 20px rgba(0,0,0,0.20); }
.story-modal-primary:disabled,
.story-modal-secondary:disabled { opacity: 0.55; cursor: not-allowed; }
.story-form-error {
  display: none;
  padding: 12px 14px;
  border-radius: 16px;
  color: #fda4af;
  background: rgba(244, 63, 94, 0.14);
  border: 1px solid rgba(244, 63, 94, 0.28);
  font-weight: 800;
  line-height: 1.45;
}
.story-form-error:not(:empty), .story-form-error.visible { display: block; }
.story-assignment-loading,
.story-empty-students {
  padding: 18px;
  border-radius: 22px;
  color: #94a3b8;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  font-weight: 850;
}
.story-fixed-config-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 0 0 22px; }
.story-fixed-config-card { padding: 16px; border-radius: 20px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); box-shadow: 0 10px 22px rgba(0,0,0,0.20); }
.story-fixed-config-card strong,
.story-fixed-config-card span { display: block; }
.story-fixed-config-card strong { color: #7dd3fc; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 950; }
.story-fixed-config-card span { margin-top: 6px; color: #f8fafc; font-size: 0.96rem; font-weight: 900; }
.story-student-select-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 12px; }
.story-student-select-head h3 { margin: 0; color: #f8fafc; font-size: 1.22rem; font-weight: 950; }
.story-student-select-head p { margin: 3px 0 0; color: #94a3b8; font-weight: 700; }
.story-student-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.story-student-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 78px;
  padding: 14px;
  border-radius: 22px;
  border: 2px solid rgba(255,255,255,0.14);
  color: #f8fafc;
  background: rgba(255,255,255,0.05);
  text-align: left;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(0,0,0,0.20);
}
.story-student-card:hover,
.story-student-card.is-selected { transform: translateY(-2px); border-color: rgba(34,211,238,0.50); box-shadow: 0 16px 32px rgba(34,211,238,0.16); }
.story-student-card.is-selected { background: linear-gradient(135deg, rgba(34,211,238,0.14), rgba(255,255,255,0.06)); }
.story-student-avatar { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 16px; overflow: hidden; background: linear-gradient(135deg, rgba(56,189,248,0.22), rgba(251,191,36,0.22)); font-size: 1.5rem; }
.story-student-avatar img { width: 100%; height: 100%; object-fit: cover; }
.story-student-copy { min-width: 0; }
.story-student-copy strong,
.story-student-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.story-student-copy strong { font-size: 1rem; font-weight: 950; color: #f8fafc; }
.story-student-copy small { margin-top: 3px; color: #94a3b8; font-weight: 750; }
.story-student-check { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 999px; color: white; background: rgba(255,255,255,0.14); font-weight: 950; }
.story-student-card.is-selected .story-student-check { background: linear-gradient(135deg, #38bdf8, #8b5cf6); }
.story-confirmation-card { text-align: center; padding: clamp(18px, 3vw, 30px); }
.story-confirmation-icon { width: 76px; height: 76px; display: grid; place-items: center; margin: 0 auto 14px; border-radius: 26px; color: white; background: linear-gradient(135deg, #16a34a, #22c55e); box-shadow: 0 16px 30px rgba(34,197,94,0.24); font-size: 2.2rem; font-weight: 950; }
.story-confirmation-card ul { width: fit-content; margin: 18px auto; padding: 0; list-style: none; display: grid; gap: 8px; color: #cbd5e1; font-weight: 850; text-align: left; }
.story-confirmation-card li::before { content: "✓"; color: #34d399; font-weight: 950; margin-right: 8px; }

/* Animations */
@keyframes bookFloat { 0%, 100% { transform: translateY(0) rotateY(-8deg) rotateZ(-1deg); } 50% { transform: translateY(-10px) rotateY(-4deg) rotateZ(1deg); } }
@keyframes bookOpenFromCover { 0% { transform: rotateY(-8deg) rotateZ(-1deg); opacity: 1; } 60% { transform: rotateY(-72deg) rotateZ(-1deg); opacity: 0.82; } 100% { transform: rotateY(-96deg) rotateZ(-1deg); opacity: 0; } }
@keyframes bookCloseToCover { 0% { transform: scale(1) rotateY(0); opacity: 1; } 55% { transform: scale(0.94) rotateY(-18deg); opacity: 0.9; } 100% { transform: scale(0.72) rotateY(-72deg); opacity: 0; } }
@keyframes pageFlip { 0% { transform: rotateY(0deg); filter: brightness(1); } 45% { transform: rotateY(-15deg); filter: brightness(0.94); } 100% { transform: rotateY(0deg); filter: brightness(1); } }
@keyframes endBookPop { from { opacity: 0; transform: translateY(16px) scale(0.94) rotateY(-42deg); } to { opacity: 1; transform: translateY(0) scale(1) rotateY(-6deg); } }
@keyframes softRise { from { opacity: 0; transform: translateY(10px) scale(0.985); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes confettiFall { 0% { transform: translate3d(0,0,0) rotate(0deg); opacity: 1; } 100% { transform: translate3d(var(--confetti-x, 0), 760px, 0) rotate(560deg); opacity: 0; } }

/* Responsive - app can become scrollable only on small screens where 95vh cannot fit a two-page book. */
@media (max-width: 1050px) {
  #ibook_app {
    height: auto;
    max-height: none;
    min-height: 0;
    overflow: visible;
  }

  #ibook_app .screen { height: auto; min-height: min(95vh, 760px); }
  #ibook_app .beginning-book-wrap,
  #ibook_app .book-spread,
  #ibook_app .end-card { grid-template-columns: 1fr; }
  #ibook_app .book-spread { gap: 12px; filter: none; }
  #ibook_app .book-spread::before { display: none; }
  #ibook_app .book-page,
  #ibook_app .book-page-left,
  #ibook_app .book-page-right { border-radius: 28px; }
  #ibook_app .book-toolbar { grid-template-columns: 1fr; }
  #ibook_app .story-scene-card { max-height: 340px; }
  #ibook_app .story-text { overflow: visible; }
  #ibook_app .end-card { height: auto; }
  #ibook_app .end-book-panel,
  #ibook_app .end-details-panel { overflow: visible; }
}

@media (max-width: 860px) {
  #abzStoryTopper { width: min(100% - 14px, 860px); flex-direction: column; align-items: flex-start; border-radius: 24px; }
  #abzStoryTopper .story-topper-main { align-items: flex-start; }
  #abzStoryTopper .story-topper-actions { width: 100%; justify-content: flex-start; }
  #abzStoryTopper .story-topper-btn { flex: 1 1 auto; }
  #ibook_app { width: min(100% - 14px, 860px); border-radius: 28px; }
  #ibook_app .main-title { font-size: clamp(2.7rem, 13vw, 5rem); }
  .story-fixed-config-grid,
  .story-student-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  #abzStoryTopper .story-topper-actions { flex-direction: column; align-items: stretch; }
  #abzStoryTopper .story-topper-btn { width: 100%; }
  #ibook_app .home_screen,
  #ibook_app .book_screen,
  #ibook_app .end-screen { padding: 12px; }
  #ibook_app .story-home-actions,
  #ibook_app .end-buttons { flex-direction: column; align-items: stretch; }
  #ibook_app .story-btn,
  #ibook_app .abz_btn-primary { width: 100%; }
  #ibook_app .choice-card { grid-template-columns: auto 1fr; }
  #ibook_app .choice-arrow { display: none; }
  #ibook_app .story-score-grid { grid-template-columns: 1fr; }
  .story-modal-actions,
  .story-student-select-head { flex-direction: column; align-items: stretch; }
  .story-modal-primary,
  .story-modal-secondary { width: 100%; }
  .story-assignment-modal { border-radius: 24px; padding: 18px; }
  .story-modal-actions-sticky { margin: 18px -18px -18px; padding: 16px 18px; bottom: -18px; }
}

@media (prefers-reduced-motion: reduce) {
  #ibook_app *, #ibook_app *::before, #ibook_app *::after,
  #abzStoryTopper *, .story-assignment-overlay * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   Today is a Birthday! - V6 polish pass
   - App can be at least full viewport height
   - Better ABZ-style start screen
   - More realistic book open/close feeling
   - No cut-off choices
   - Fully designed resource description
   ========================================================= */

#ibook_app {
  width: min(98vw, 1760px);
  min-height: 100vh;
  height: auto;
  max-height: none;
  overflow: visible;
  border-radius: clamp(28px, 2.5vw, 42px);
  background:
    radial-gradient(circle at 15% 18%, rgba(0, 229, 255, 0.22), transparent 26rem),
    radial-gradient(circle at 76% 72%, rgba(255, 16, 122, 0.22), transparent 28rem),
    radial-gradient(circle at 52% 105%, rgba(109, 93, 252, 0.34), transparent 33rem),
    linear-gradient(145deg, #08111f 0%, #101827 48%, #111827 100%);
}

#ibook_app .screen {
  min-height: 100vh;
  height: auto;
}

#ibook_app .home_screen {
  min-height: 100vh;
  padding: clamp(20px, 3vw, 54px);
}

#ibook_app .story-start-experience {
  width: min(1450px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.9fr);
  gap: clamp(28px, 5vw, 78px);
  align-items: center;
}

#ibook_app .story-start-copy {
  color: #ffffff;
}

#ibook_app .story-start-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

#ibook_app .story-start-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #e0f2fe;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.10);
  font-size: 0.8rem;
  font-weight: 900;
}

#ibook_app .story-start-copy .main-title {
  max-width: 780px;
  margin-top: 18px;
  font-size: clamp(3.4rem, 7.6vw, 7.4rem);
}

#ibook_app .story-start-copy .story-hero-subtitle {
  max-width: 710px;
  color: #cbd5e1;
  font-size: clamp(1.05rem, 1.35vw, 1.35rem);
}

#ibook_app .storybook-cover-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: min(78vh, 760px);
  perspective: 2200px;
}

#ibook_app .storybook-cover-stage::before {
  content: "";
  position: absolute;
  width: min(590px, 82%);
  aspect-ratio: 1 / 1;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(236,72,153,0.32), rgba(34,211,238,0.18), transparent 70%);
  filter: blur(10px);
  transform: translateY(35px);
}

#ibook_app .realistic-book-preview {
  position: relative;
  width: min(520px, 92%);
  aspect-ratio: 0.76 / 1;
  transform-style: preserve-3d;
  transform: rotateX(8deg) rotateY(-22deg) rotateZ(-3deg);
  filter: drop-shadow(32px 42px 48px rgba(0,0,0,0.42));
  animation: realisticBookFloat 5.5s ease-in-out infinite;
}

#ibook_app .book-back-board,
#ibook_app .book-page-stack,
#ibook_app .book-front-cover {
  position: absolute;
  inset: 0;
  border-radius: 32px 22px 22px 32px;
  transform-origin: left center;
  backface-visibility: hidden;
}

#ibook_app .book-back-board {
  background: linear-gradient(145deg, #111827, #1e3a8a 60%, #312e81);
  transform: translate3d(18px, 14px, -30px) rotateY(3deg);
  box-shadow: inset 12px 0 0 rgba(0,0,0,0.25);
}

#ibook_app .book-page-stack {
  background:
    repeating-linear-gradient(90deg, #fff7df 0 5px, #f2e5c4 5px 7px),
    linear-gradient(145deg, #fffdf6, #fdecc8);
  border: 1px solid rgba(120, 53, 15, 0.12);
}

#ibook_app .page-stack-one { transform: translate3d(13px, 10px, -16px) rotateY(2deg); }
#ibook_app .page-stack-two { transform: translate3d(7px, 5px, -8px) rotateY(1deg); }

#ibook_app .book-front-cover {
  overflow: hidden;
  padding: 18px;
  color: white;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.36) 0 22px, transparent 22px),
    radial-gradient(circle at 88% 7%, rgba(255,255,255,0.18), transparent 13rem),
    linear-gradient(145deg, #14b8a6, #2563eb 45%, #6d5dfc 72%, #ec4899);
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow: inset 12px 0 0 rgba(0,0,0,0.20), inset 0 1px 0 rgba(255,255,255,0.22);
}

#ibook_app .book-spine-shine {
  position: absolute;
  inset: 18px auto 18px 28px;
  width: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.28);
  box-shadow: 0 0 28px rgba(255,255,255,0.32);
}

#ibook_app .book-front-cover img {
  display: block;
  width: 100%;
  aspect-ratio: 1.05 / 1;
  object-fit: cover;
  border-radius: 24px;
  border: 4px solid rgba(255,255,255,0.70);
  box-shadow: 0 18px 34px rgba(0,0,0,0.22);
}

#ibook_app .front-cover-copy {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

#ibook_app .front-cover-copy span {
  color: #dff8ff;
  font-size: 0.84rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#ibook_app .front-cover-copy strong {
  color: white;
  font-size: clamp(2.1rem, 4vw, 4.15rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
  font-weight: 950;
}

#ibook_app.is-opening-book .book-front-cover {
  animation: realisticFrontCoverOpen 980ms cubic-bezier(.18,.86,.2,1) both;
}

#ibook_app.is-opening-book .page-stack-one {
  animation: realisticPageFanOne 980ms cubic-bezier(.18,.86,.2,1) both;
}

#ibook_app.is-opening-book .page-stack-two {
  animation: realisticPageFanTwo 980ms cubic-bezier(.18,.86,.2,1) both;
}

#ibook_app .book_screen {
  min-height: 100vh;
  height: auto;
  grid-template-rows: auto 1fr;
  gap: clamp(12px, 1.3vw, 18px);
  padding: clamp(12px, 1.5vw, 22px);
}

#ibook_app .book-toolbar {
  position: relative;
  z-index: 8;
}

#ibook_app .book-stage {
  min-height: calc(100vh - 112px);
}

#ibook_app .book-spread {
  height: auto;
  min-height: calc(100vh - 112px);
  transform-origin: center center;
}

#ibook_app .book-page {
  overflow: visible;
  min-height: calc(100vh - 112px);
  padding: clamp(18px, 2vw, 32px);
}

#ibook_app .book-page-inner {
  min-height: 100%;
  height: auto;
  overflow: visible;
}

#ibook_app .story-scene-card {
  max-height: min(34vh, 370px);
}

#ibook_app .story-image {
  min-height: clamp(190px, 27vh, 350px);
}

#ibook_app .story-text {
  overflow: visible;
  font-size: clamp(1rem, 1.35vw, 1.55rem);
  line-height: 1.42;
}

#ibook_app .question-box {
  padding: clamp(16px, 2vw, 28px);
  border-radius: 30px;
}

#ibook_app .question-text {
  font-size: clamp(1.4rem, 2.1vw, 2.52rem);
}

#ibook_app .choices-container {
  flex: 0 0 auto;
  gap: clamp(12px, 1.4vh, 18px);
}

#ibook_app .choice-card {
  min-height: clamp(72px, 8.1vh, 92px);
  padding: clamp(14px, 1.35vw, 20px);
  border-radius: 25px;
  background:
    radial-gradient(circle at 100% 0%, rgba(219, 234, 254, 0.64), transparent 16rem),
    linear-gradient(135deg, #ffffff, #edf6ff);
}

#ibook_app .teacher-intel-panel {
  margin-top: clamp(16px, 2vh, 28px);
}

#ibook_app.is-closing-book .book-spread {
  animation: realisticSpreadClose 900ms cubic-bezier(.18,.86,.2,1) both;
}

#ibook_app .end-screen {
  min-height: auto;
  padding: clamp(24px, 3vw, 52px);
}

#ibook_app .end-card {
  width: min(1420px, 100%);
  min-height: auto;
  height: auto;
  grid-template-columns: minmax(320px, 0.62fr) minmax(420px, 1.38fr);
  align-items: start;
}

#ibook_app .end-book-panel,
#ibook_app .end-details-panel {
  overflow: visible;
}

#ibook_app .end-book-panel {
  position: sticky;
  top: 20px;
  align-self: start;
  background:
    radial-gradient(circle at 50% 0%, rgba(34,211,238,0.14), transparent 18rem),
    rgba(255,255,255,0.10);
}

#ibook_app .end-book-cover {
  width: min(430px, 100%);
  transform-style: preserve-3d;
  animation: closedBookLanding 760ms cubic-bezier(.2,.8,.2,1) both;
}

#ibook_app .end-details-panel {
  display: grid;
  grid-template-rows: auto auto auto auto;
  gap: clamp(16px, 2vw, 24px);
  padding: clamp(18px, 2.4vw, 34px);
}

#ibook_app .crowd-rating-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: clamp(18px, 2.2vw, 28px);
  border-radius: 28px;
  background:
    radial-gradient(circle at 0% 0%, rgba(251, 191, 36, 0.24), transparent 16rem),
    linear-gradient(135deg, rgba(255,255,255,0.94), rgba(224,242,254,0.88));
  color: #17213b;
  border: 1px solid rgba(255,255,255,0.28);
  box-shadow: 0 18px 38px rgba(0,0,0,0.16);
}

#ibook_app .crowd-rating-kicker {
  margin: 0 0 8px;
  color: #1d4ed8;
  font-size: 0.8rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#ibook_app .crowd-rating-card h3 {
  margin: 0;
  color: #101827;
  font-size: clamp(1.45rem, 2.2vw, 2.4rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
  font-weight: 950;
}

#ibook_app .crowd-rating-card p:last-child,
#ibook_app #crowdRatingText {
  margin: 8px 0 0;
  color: #475569;
  font-weight: 800;
  line-height: 1.45;
}

#ibook_app .crowd-star-row {
  min-width: 190px;
  display: flex;
  justify-content: flex-end;
  gap: 5px;
  font-size: clamp(2rem, 3.2vw, 3.4rem);
  line-height: 1;
  filter: drop-shadow(0 10px 18px rgba(251,191,36,0.18));
}

#ibook_app .crowd-star-row span {
  color: rgba(148,163,184,0.42);
  transform: translateY(0) rotate(-4deg);
}

#ibook_app .crowd-star-row span.is-filled {
  color: #fbbf24;
  text-shadow: 0 0 20px rgba(251,191,36,0.42);
  animation: starPop 420ms ease both;
}

#ibook_app .story-recap {
  padding: clamp(16px, 1.8vw, 22px);
  border-radius: 26px;
}

#ibook_app .story-feedback-support {
  overflow: visible;
}

#ibook_app .abz_support-inner {
  height: auto;
}

#ibook_app .abz_card {
  height: auto;
  min-height: auto;
  display: block;
  overflow: visible;
  padding: clamp(18px, 2.2vw, 32px);
  border-radius: 30px;
}

#ibook_app .abz_fb-form {
  display: grid;
  gap: 14px;
}

#ibook_app .abz_input {
  min-height: 54px;
}

#ibook_app .abz_textarea {
  min-height: 132px;
  max-height: none;
}

#ibook_app .abz_btn-primary {
  min-height: 50px;
  padding: 13px 20px;
}

/* Designed sections below the storybook, scoped to this resource page only. */
.story-ad-wrap {
  width: min(1120px, calc(100% - 28px));
  margin: 18px auto;
}

.storybook_resource_info {
  --info-bg: #080e1c;
  --info-card: rgba(255,255,255,0.075);
  --info-line: rgba(255,255,255,0.13);
  --info-text: #f8fafc;
  --info-muted: #cbd5e1;
  --info-blue: #22d3ee;
  --info-pink: #ff107a;
  --info-purple: #8b5cf6;
  position: relative;
  width: min(98vw, 1760px);
  margin: 28px auto;
  padding: clamp(24px, 4vw, 64px);
  overflow: hidden;
  border-radius: clamp(28px, 2.5vw, 44px);
  color: var(--info-text);
  background:
    radial-gradient(circle at 12% 8%, rgba(34,211,238,0.20), transparent 30rem),
    radial-gradient(circle at 86% 18%, rgba(255,16,122,0.20), transparent 28rem),
    radial-gradient(circle at 48% 110%, rgba(139,92,246,0.26), transparent 34rem),
    linear-gradient(145deg, #080e1c, #101827 58%, #090b14);
  border: 1px solid var(--info-line);
  box-shadow: 0 30px 80px rgba(0,0,0,0.30);
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.storybook_resource_info,
.storybook_resource_info * { box-sizing: border-box; }

.story_resource_wrap { width: min(1420px, 100%); margin: 0 auto; }

.story_resource_hero,
.story_resource_panel {
  position: relative;
  border-radius: 34px;
  border: 1px solid var(--info-line);
  background: rgba(255,255,255,0.065);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.10), 0 18px 42px rgba(0,0,0,0.18);
  backdrop-filter: blur(18px);
}

.story_resource_hero { padding: clamp(22px, 3vw, 42px); }
.story_resource_panel { margin-top: 24px; padding: clamp(20px, 2.6vw, 38px); }

.story_resource_badges,
.story_audience_grid,
.story_skill_chips,
.story_teacher_cards,
.story_standard_grid,
.story_faq_grid,
.story_feature_grid {
  display: grid;
  gap: 14px;
}

.story_resource_badges {
  grid-template-columns: repeat(4, minmax(0, auto));
  justify-content: flex-start;
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.story_resource_badges span,
.story_audience_grid span,
.story_skill_chips li {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #e0f2fe;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.13);
  font-weight: 850;
  font-size: 0.85rem;
}

.story_resource_hero_grid,
.story_split_panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(20px, 3vw, 44px);
  align-items: stretch;
}

.story_resource_kicker {
  margin: 0 0 12px;
  color: var(--info-blue);
  font-size: 0.82rem;
  font-weight: 950;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.story_resource_title,
.story_panel_head h3,
.story_split_card h3,
.story_teacher_content h3 {
  margin: 0;
  color: #ffffff;
  font-weight: 950;
  letter-spacing: -0.06em;
  line-height: 1.02;
}

.story_resource_title { font-size: clamp(2.2rem, 4.4vw, 5rem); max-width: 980px; }
.story_panel_head h3,
.story_split_card h3,
.story_teacher_content h3 { font-size: clamp(1.65rem, 2.7vw, 3rem); }

.story_resource_lead,
.story_panel_head p,
.story_split_card p,
.story_teacher_content p,
.story_feature_card p,
.story_teacher_cards span,
.story_standard_grid span,
.story_faq_grid p,
.story_steps p {
  color: var(--info-muted);
  line-height: 1.7;
  font-weight: 650;
}

.story_resource_lead { font-size: clamp(1.02rem, 1.35vw, 1.28rem); max-width: 900px; margin: 18px 0 0; }

.story_resource_cta_row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.story_resource_cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border-radius: 999px;
  font-weight: 950;
  text-decoration: none;
}
.story_resource_cta.primary { color: white; background: linear-gradient(135deg, #2563eb, #8b5cf6 62%, #ff107a); box-shadow: 0 16px 30px rgba(37,99,235,0.24); }
.story_resource_cta.secondary { color: #e0f2fe; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); }

.story_resource_scorecard,
.story_split_card,
.story_feature_card,
.story_teacher_cards article,
.story_standard_grid article,
.story_faq_grid details,
.story_steps li {
  border-radius: 26px;
  background: rgba(255,255,255,0.085);
  border: 1px solid rgba(255,255,255,0.13);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.10);
}

.story_resource_scorecard { padding: clamp(18px, 2vw, 28px); }
.story_resource_scorecard h3 { margin: 0 0 16px; color: white; font-size: 1.35rem; font-weight: 950; }
.story_resource_scorecard ul { display: grid; gap: 12px; padding: 0; margin: 0; list-style: none; }
.story_resource_scorecard li { display: grid; gap: 4px; }
.story_resource_scorecard strong { color: #ffffff; }
.story_resource_scorecard span { color: var(--info-muted); line-height: 1.5; }

.story_feature_grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 22px; }
.story_feature_card { padding: 20px; }
.story_feature_icon { width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 12px; border-radius: 16px; background: rgba(34,211,238,0.12); font-size: 1.35rem; }
.story_feature_card h4 { margin: 0 0 8px; color: white; font-size: 1.05rem; font-weight: 950; }
.story_feature_card p { margin: 0; }

.story_steps { display: grid; gap: 14px; margin: 20px 0 0; padding: 0; list-style: none; }
.story_steps li { display: grid; grid-template-columns: auto 1fr; gap: 14px; padding: 18px; }
.story_steps li > span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 15px; color: white; background: linear-gradient(135deg, #22d3ee, #8b5cf6); font-weight: 950; }
.story_steps strong { color: white; }
.story_steps p { margin: 5px 0 0; }

.story_split_card { padding: clamp(20px, 2.4vw, 30px); }
.story_audience_grid { display: flex; flex-wrap: wrap; margin-top: 18px; }
.story_skill_chips { display: flex; flex-wrap: wrap; padding: 0; margin: 18px 0 0; list-style: none; }

.story_teacher_panel { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr); gap: 22px; align-items: center; }
.story_teacher_cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.story_teacher_cards article { padding: 18px; }
.story_teacher_cards strong { display: block; color: white; margin-bottom: 8px; }
.story_teacher_cards span { display: block; }

.story_standard_grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 20px; }
.story_standard_grid article { padding: 18px; }
.story_standard_grid strong { display: block; color: #67e8f9; margin-bottom: 8px; font-size: 1.05rem; }

.story_faq_grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 20px; }
.story_faq_grid details { padding: 16px 18px; }
.story_faq_grid summary { color: white; cursor: pointer; font-weight: 950; }
.story_faq_grid p { margin: 10px 0 0; }

.storybook_resource_info .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

@keyframes realisticBookFloat {
  0%, 100% { transform: rotateX(8deg) rotateY(-22deg) rotateZ(-3deg) translateY(0); }
  50% { transform: rotateX(7deg) rotateY(-18deg) rotateZ(-1deg) translateY(-12px); }
}

@keyframes realisticFrontCoverOpen {
  0% { transform: rotateY(0deg); opacity: 1; }
  45% { transform: rotateY(-68deg) translateX(-10px); opacity: 0.98; }
  78% { transform: rotateY(-118deg) translateX(-18px); opacity: 0.68; }
  100% { transform: rotateY(-138deg) translateX(-22px); opacity: 0; }
}

@keyframes realisticPageFanOne {
  0% { transform: translate3d(13px, 10px, -16px) rotateY(2deg); }
  55% { transform: translate3d(22px, 10px, -8px) rotateY(-22deg); }
  100% { transform: translate3d(26px, 10px, -8px) rotateY(-36deg); opacity: 0.34; }
}

@keyframes realisticPageFanTwo {
  0% { transform: translate3d(7px, 5px, -8px) rotateY(1deg); }
  55% { transform: translate3d(18px, 5px, -3px) rotateY(-14deg); }
  100% { transform: translate3d(22px, 5px, -3px) rotateY(-26deg); opacity: 0.46; }
}

@keyframes realisticSpreadClose {
  0% { transform: rotateX(0) rotateY(0) scale(1); opacity: 1; }
  35% { transform: rotateX(4deg) rotateY(-8deg) scale(0.98); opacity: 0.95; }
  72% { transform: rotateX(8deg) rotateY(-34deg) scale(0.86); opacity: 0.60; }
  100% { transform: rotateX(10deg) rotateY(-74deg) scale(0.66); opacity: 0; }
}

@keyframes closedBookLanding {
  0% { opacity: 0; transform: translateY(26px) rotateX(11deg) rotateY(-55deg) scale(0.82); }
  70% { opacity: 1; transform: translateY(-4px) rotateX(5deg) rotateY(-10deg) scale(1.02); }
  100% { opacity: 1; transform: translateY(0) rotateX(4deg) rotateY(-6deg) scale(1); }
}

@keyframes starPop {
  0% { transform: scale(0.55) rotate(-20deg); opacity: 0; }
  70% { transform: scale(1.18) rotate(8deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

@media (max-width: 1180px) {
  #ibook_app .story-start-experience,
  #ibook_app .end-card,
  .story_resource_hero_grid,
  .story_split_panel,
  .story_teacher_panel {
    grid-template-columns: 1fr;
  }

  #ibook_app .storybook-cover-stage { min-height: 560px; }
  #ibook_app .end-book-panel { position: relative; top: auto; }
  .story_feature_grid,
  .story_teacher_cards,
  .story_standard_grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1050px) {
  #ibook_app .book-stage,
  #ibook_app .book-spread,
  #ibook_app .book-page { min-height: 0; }
}

@media (max-width: 720px) {
  #ibook_app .book-spread { grid-template-columns: 1fr; }
  #ibook_app .book-page,
  #ibook_app .book-page-left,
  #ibook_app .book-page-right { border-radius: 28px; }
  #ibook_app .crowd-rating-card { grid-template-columns: 1fr; }
  #ibook_app .crowd-star-row { justify-content: flex-start; min-width: 0; }
  .story_feature_grid,
  .story_teacher_cards,
  .story_standard_grid,
  .story_faq_grid { grid-template-columns: 1fr; }
  .storybook_resource_info { width: min(100% - 16px, 720px); padding: 18px; }
}

/* =========================================================
   V7 refinement patch
   - show full story artwork
   - remove open-book label rows for more room
   - prevent option/form clipping
   - strengthen end feedback form contrast
   ========================================================= */

#ibook_app {
  min-height: 100vh;
  height: auto;
  max-height: none;
  overflow: visible;
}

#ibook_app .screen {
  min-height: 100vh;
  height: auto;
}

#ibook_app .book_screen {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.3vw, 18px);
  padding: clamp(12px, 1.6vw, 24px);
}

#ibook_app .book_screen.hidden {
  display: none !important;
}

#ibook_app .book-toolbar {
  flex: 0 0 auto;
}

#ibook_app .book-stage {
  flex: 1 1 auto;
  min-height: calc(100vh - 145px);
  height: auto;
}

#ibook_app .book-spread {
  min-height: calc(100vh - 145px);
  height: auto;
  align-items: stretch;
}

#ibook_app .book-page,
#ibook_app .book-page-inner {
  min-height: 0;
  height: auto;
  overflow: visible;
}

#ibook_app .book-page-inner {
  gap: clamp(12px, 1.3vw, 18px);
}

#ibook_app .book-spread .page-label-row {
  display: none !important;
}

#ibook_app .story-scene-card {
  width: 100%;
  height: auto;
  max-height: none;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 24px;
  background: linear-gradient(135deg, #e0f2fe, #fff7ed);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.14), inset 0 0 0 1px rgba(255,255,255,0.54);
}

#ibook_app .story-image {
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: none;
  object-fit: contain;
  object-position: center;
  background: linear-gradient(135deg, #dcfce7, #dbeafe);
}

#ibook_app .story-text {
  overflow: visible;
  font-size: clamp(1.05rem, 1.35vw, 1.55rem);
  line-height: 1.42;
}

#ibook_app .question-panel {
  gap: clamp(12px, 1.4vw, 18px);
}

#ibook_app .question-box {
  padding: clamp(18px, 2vw, 28px);
}

#ibook_app .choices-container {
  flex: 0 0 auto;
  gap: clamp(12px, 1.45vw, 18px);
}

#ibook_app .choice-card {
  min-height: clamp(76px, 8.4vh, 96px);
  overflow: visible;
}

#ibook_app .inline-intel-panel {
  margin-top: clamp(8px, 1vw, 12px);
}

#ibook_app .end-screen {
  display: block;
  min-height: auto;
  padding: clamp(18px, 3vw, 42px);
  overflow: visible;
}

#ibook_app .end-card {
  height: auto;
  min-height: auto;
  align-items: start;
}

#ibook_app .end-book-panel,
#ibook_app .end-details-panel {
  overflow: visible;
}

#ibook_app .end-details-panel {
  grid-template-rows: auto auto auto auto;
  background:
    radial-gradient(circle at 0% 0%, rgba(255,255,255,0.16), transparent 18rem),
    linear-gradient(135deg, rgba(255,255,255,0.14), rgba(255,255,255,0.07));
}

#ibook_app .crowd-rating-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(14px, 2vw, 24px);
  align-items: center;
  padding: clamp(18px, 2.2vw, 28px);
  border-radius: 28px;
  color: #17213b;
  background:
    radial-gradient(circle at 100% 0%, rgba(251,191,36,0.28), transparent 13rem),
    linear-gradient(135deg, #ffffff, #f0f7ff 62%, #fff7db);
  border: 2px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.14);
}

#ibook_app .crowd-rating-kicker {
  margin: 0 0 6px;
  color: #2563eb;
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

#ibook_app #crowdRatingHeadline {
  margin: 0;
  color: #17213b;
  font-size: clamp(1.45rem, 2.3vw, 2.7rem);
  line-height: 1;
  font-weight: 950;
  letter-spacing: -0.06em;
}

#ibook_app #crowdRatingText {
  margin: 8px 0 0;
  color: #475569;
  font-weight: 800;
  line-height: 1.5;
}

#ibook_app .crowd-star-row {
  min-width: 190px;
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  font-size: clamp(1.75rem, 3.2vw, 3.5rem);
  line-height: 1;
}

#ibook_app .crowd-star {
  color: rgba(148, 163, 184, 0.42);
  filter: drop-shadow(0 5px 9px rgba(15,23,42,0.12));
}

#ibook_app .crowd-star.is-filled {
  color: #fbbf24;
  animation: starPop 420ms ease both;
}

#ibook_app .story-feedback-support {
  margin-top: clamp(10px, 1.5vw, 18px);
  overflow: visible;
}

#ibook_app .story-feedback-support .abz_card {
  color: #17213b;
  background:
    radial-gradient(circle at 0% 0%, rgba(34, 211, 238, 0.12), transparent 16rem),
    radial-gradient(circle at 100% 0%, rgba(255, 16, 122, 0.08), transparent 15rem),
    linear-gradient(135deg, #ffffff, #f8fbff);
  border: 2px solid rgba(37, 99, 235, 0.18);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.16);
}

#ibook_app .story-feedback-support .abz_chip {
  color: #1d4ed8;
  background: rgba(219, 234, 254, 0.94);
  border-color: rgba(37, 99, 235, 0.20);
}

#ibook_app .story-feedback-support .abz_card-title {
  color: #17213b;
  text-shadow: none;
}

#ibook_app .story-feedback-support .abz_card-subtitle,
#ibook_app .story-feedback-support .abz_label-soft {
  color: #64748b;
}

#ibook_app .story-feedback-support .abz_label {
  color: #1e293b;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

#ibook_app .story-feedback-support .abz_input,
#ibook_app .story-feedback-support .abz_textarea {
  color: #0f172a;
  background: #ffffff;
  border: 2px solid rgba(37, 99, 235, 0.18);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.92), 0 8px 18px rgba(15,23,42,0.06);
}

#ibook_app .story-feedback-support .abz_input::placeholder,
#ibook_app .story-feedback-support .abz_textarea::placeholder {
  color: #64748b;
  opacity: 0.82;
}

#ibook_app .story-feedback-support .abz_input:focus,
#ibook_app .story-feedback-support .abz_textarea:focus {
  border-color: rgba(37, 99, 235, 0.62);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12), 0 10px 22px rgba(15,23,42,0.08);
}

#ibook_app .story-feedback-support .abz_btn-primary {
  width: fit-content;
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #6d5dfc 62%, #ec4899);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.22);
}

#ibook_app .story-similar-games {
  margin-top: clamp(12px, 1.8vw, 24px);
}

@media (max-width: 980px) {
  #ibook_app .book-spread {
    grid-template-columns: 1fr;
  }

  #ibook_app .book-spread::before {
    display: none;
  }

  #ibook_app .story-scene-card {
    aspect-ratio: 16 / 9;
  }

  #ibook_app .end-card,
  #ibook_app .crowd-rating-card {
    grid-template-columns: 1fr;
  }

  #ibook_app .crowd-star-row {
    justify-content: flex-start;
  }
}

/* =========================================================
   V8 FINAL POLISH
   - More realistic open/close/page-turn animation
   - Full scene images, no visual crop
   - Related storybook + reading game rails below app
   - Stronger feedback readability
   ========================================================= */

#ibook_app {
  min-height: 100vh !important;
  height: auto !important;
  max-height: none !important;
  overflow: visible !important;
}

#ibook_app .screen {
  min-height: 100vh;
  height: auto;
}

#ibook_app .home_screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(22px, 4vw, 54px);
  overflow: visible;
}

#ibook_app .beginning-book-wrap {
  width: min(1420px, 100%);
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(420px, 1.18fr);
  align-items: center;
  gap: clamp(28px, 5vw, 84px);
  min-height: calc(100vh - 90px);
}

#ibook_app .closed-book.realistic-start-book {
  width: min(440px, 100%);
  aspect-ratio: 0.72;
  margin-inline: auto;
  position: relative;
  perspective: 2200px;
  transform-style: preserve-3d;
  filter: drop-shadow(0 36px 38px rgba(0,0,0,.38));
  animation: v8BookIdle 5.6s ease-in-out infinite;
}

#ibook_app .closed-book.realistic-start-book::before {
  content: "";
  position: absolute;
  inset: 18px 0 8px 34px;
  border-radius: 28px 20px 20px 28px;
  background: repeating-linear-gradient(90deg, #fff8e8 0 8px, #f0dec4 8px 10px);
  box-shadow: inset 18px 0 22px rgba(64,39,17,.24), 18px 18px 26px rgba(0,0,0,.20);
  transform: translateZ(-22px) rotateY(-3deg);
}

#ibook_app .start-book-pages {
  position: absolute;
  inset: 20px 8px 12px 28px;
  border-radius: 28px 19px 19px 28px;
  background: #fff8e8;
  border: 1px solid rgba(109,78,35,.18);
  transform-origin: left center;
  transform-style: preserve-3d;
  pointer-events: none;
}

#ibook_app .start-book-pages-back { transform: translateZ(-14px) rotateY(-2deg); opacity: .86; }
#ibook_app .start-book-pages-mid { transform: translateZ(-8px) rotateY(-1deg); opacity: .94; }
#ibook_app .start-book-pages-front { transform: translateZ(-2px); opacity: 1; }

#ibook_app .book-cover-closed {
  position: absolute;
  inset: 0;
  z-index: 5;
  transform-origin: left center;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  border-radius: 34px 24px 24px 34px;
  box-shadow:
    inset 15px 0 0 rgba(0,0,0,.18),
    inset 23px 0 0 rgba(255,255,255,.08),
    0 22px 44px rgba(0,0,0,.28);
}

#ibook_app .book-cover-closed::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 22px;
  border-radius: 34px 0 0 34px;
  background: linear-gradient(90deg, rgba(0,0,0,.38), rgba(255,255,255,.08));
  z-index: 3;
}

#ibook_app.is-opening-book .closed-book.realistic-start-book {
  animation: v8BookLiftOpen 1280ms cubic-bezier(.16,.84,.18,1) both;
}

#ibook_app.is-opening-book .book-cover-closed {
  animation: v8RealCoverOpen 1280ms cubic-bezier(.16,.84,.18,1) both;
}

#ibook_app.is-opening-book .start-book-pages-front {
  animation: v8StartPageFlip 980ms 160ms cubic-bezier(.19,.8,.22,1) both;
}

#ibook_app.is-opening-book .start-book-pages-mid {
  animation: v8StartPageFlipSoft 1040ms 250ms cubic-bezier(.19,.8,.22,1) both;
}

#ibook_app .beginning-copy {
  align-self: center;
  padding: clamp(22px, 3vw, 48px);
  border-radius: 34px;
  background:
    radial-gradient(circle at 10% 0%, rgba(34,211,238,.18), transparent 22rem),
    radial-gradient(circle at 88% 18%, rgba(255,16,122,.17), transparent 22rem),
    rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12), 0 22px 46px rgba(0,0,0,.24);
}

#ibook_app .book_screen {
  min-height: 100vh;
  height: auto;
  padding: clamp(14px, 2vw, 24px);
  overflow: visible;
}

#ibook_app .book-toolbar {
  position: relative;
  z-index: 15;
}

#ibook_app .book-stage {
  position: relative;
  min-height: auto;
  height: auto;
  overflow: visible;
  perspective: 2600px;
  transform-style: preserve-3d;
}

#ibook_app .book-spread {
  position: relative;
  min-height: calc(100vh - 128px);
  height: auto;
  overflow: visible;
  transform-style: preserve-3d;
  transition: transform 520ms ease, filter 520ms ease;
}

#ibook_app.is-closing-book .book-spread {
  animation: v8BookCloseSpread 1120ms cubic-bezier(.16,.84,.18,1) both;
}

#ibook_app .book-page {
  min-height: calc(100vh - 132px);
  height: auto;
  overflow: visible;
}

#ibook_app .book-page-inner {
  min-height: calc(100vh - 170px);
  height: auto;
  overflow: visible;
}

#ibook_app .book-page-left .book-page-inner {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: clamp(14px, 1.5vw, 22px);
}

#ibook_app .story-scene-card {
  width: 100%;
  height: auto !important;
  min-height: 0 !important;
  max-height: none !important;
  padding: clamp(8px, 1vw, 12px);
  display: grid;
  place-items: center;
  overflow: visible !important;
}

#ibook_app .story-image {
  width: 100%;
  height: auto !important;
  max-height: min(43vh, 455px) !important;
  object-fit: contain !important;
  object-position: center center !important;
  display: block;
  border-radius: 24px;
}

#ibook_app .story-text {
  font-size: clamp(1.18rem, 1.55vw, 1.95rem);
  line-height: 1.48;
  max-height: none !important;
  overflow: visible !important;
}

#ibook_app .question-panel {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 28px);
}

#ibook_app .question-box {
  flex: 0 0 auto;
}

#ibook_app .choices-container {
  flex: 0 0 auto;
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
  overflow: visible !important;
  padding-bottom: 2px;
}

#ibook_app .choice-card {
  min-height: clamp(72px, 8.2vh, 100px);
  padding: clamp(14px, 1.3vw, 22px) clamp(16px, 1.8vw, 26px);
}

#ibook_app .teacher-intel-panel {
  flex: 0 0 auto;
  margin-top: auto;
}

#ibook_app .page-flip-arc {
  position: absolute;
  z-index: 50;
  top: clamp(22px, 3vw, 44px);
  bottom: clamp(22px, 3vw, 44px);
  left: 50%;
  width: min(49%, 720px);
  pointer-events: none;
  opacity: 0;
  transform-origin: left center;
  transform-style: preserve-3d;
  border-radius: 0 34px 34px 0;
}

#ibook_app .page-flip-front,
#ibook_app .page-flip-back {
  position: absolute;
  inset: 0;
  border-radius: 0 34px 34px 0;
  backface-visibility: hidden;
  overflow: hidden;
}

#ibook_app .page-flip-front {
  background:
    linear-gradient(90deg, rgba(79,52,22,.18), transparent 8%, transparent 80%, rgba(255,255,255,.55)),
    repeating-linear-gradient(180deg, rgba(23,33,59,.055) 0 2px, transparent 2px 28px),
    linear-gradient(135deg, #fff9eb, #fff1d3);
  border: 1px solid rgba(113,76,30,.18);
  box-shadow: 22px 18px 42px rgba(0,0,0,.16);
}

#ibook_app .page-flip-back {
  transform: rotateY(180deg);
  background:
    linear-gradient(270deg, rgba(79,52,22,.20), transparent 10%, rgba(255,255,255,.35)),
    repeating-linear-gradient(180deg, rgba(23,33,59,.045) 0 2px, transparent 2px 28px),
    linear-gradient(135deg, #fff1d2, #fffaf1);
  border: 1px solid rgba(113,76,30,.15);
}

#ibook_app .book-stage.is-page-turning .page-flip-arc {
  opacity: 1;
  animation: v8RealPageFlip 1040ms cubic-bezier(.14,.76,.18,1) both;
}

#ibook_app .book-stage.is-page-turning .book-spread {
  animation: v8SpreadDuringFlip 1040ms cubic-bezier(.14,.76,.18,1) both;
}

#ibook_app .book-spread.is-turning .book-page-right {
  animation: none !important;
}

#ibook_app .book-stage.is-page-turning .book-page-right::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(40,24,11,.16), transparent 20%, rgba(255,255,255,.22));
  animation: v8PageShadowPulse 1040ms ease both;
}

#ibook_app.is-closing-book .book-page-left {
  animation: v8LeftPageClose 1080ms cubic-bezier(.16,.84,.18,1) both;
  transform-origin: right center;
}

#ibook_app.is-closing-book .book-page-right {
  animation: v8RightPageClose 1080ms cubic-bezier(.16,.84,.18,1) both;
  transform-origin: left center;
}

#ibook_app .end-screen {
  min-height: auto;
  height: auto;
  overflow: visible;
  padding: clamp(24px, 4vw, 56px);
}

#ibook_app .end-card {
  min-height: auto;
  height: auto;
  overflow: visible;
  align-items: start;
}

#ibook_app .end-book-cover {
  animation: v8ClosedBookSettle 980ms cubic-bezier(.16,.84,.18,1) both !important;
}

#ibook_app .story-feedback-support {
  width: 100%;
  margin-top: clamp(20px, 2.5vw, 34px);
}

#ibook_app .story-feedback-support .abz_support-inner {
  width: 100%;
}

#ibook_app .story-feedback-support .abz_card {
  color: #17213b !important;
  background:
    radial-gradient(circle at 0% 0%, rgba(34,211,238,.20), transparent 18rem),
    linear-gradient(135deg, #ffffff, #fff7ed 72%, #ffeef7) !important;
  border: 2px solid rgba(37,99,235,.13) !important;
  box-shadow: 0 22px 48px rgba(25,42,84,.18) !important;
}

#ibook_app .story-feedback-support .abz_chip {
  color: #7c2d12 !important;
  background: #fff3c4 !important;
  border: 1px solid rgba(251,191,36,.50) !important;
}

#ibook_app .story-feedback-support .abz_card-title {
  color: #17315f !important;
  text-shadow: none !important;
}

#ibook_app .story-feedback-support .abz_card-subtitle,
#ibook_app .story-feedback-support .abz_label-soft {
  color: #475569 !important;
}

#ibook_app .story-feedback-support .abz_label {
  color: #26334f !important;
  text-shadow: none !important;
}

#ibook_app .story-feedback-support .abz_input,
#ibook_app .story-feedback-support .abz_textarea {
  color: #14213d !important;
  background: #ffffff !important;
  border: 2px solid rgba(37,99,235,.16) !important;
  box-shadow: inset 0 2px 8px rgba(15,23,42,.05) !important;
}

#ibook_app .story-feedback-support .abz_input::placeholder,
#ibook_app .story-feedback-support .abz_textarea::placeholder {
  color: #94a3b8 !important;
  opacity: 1 !important;
}

#ibook_app .story-feedback-support .abz_btn-primary {
  color: #ffffff !important;
  background: linear-gradient(135deg, #2563eb, #6d5dfc, #ec4899) !important;
  box-shadow: 0 16px 30px rgba(37,99,235,.26) !important;
}

/* Related rails that live below the app, before description. */
.story-related-resources {
  --rel-bg: #080e1c;
  --rel-card: rgba(255,255,255,.08);
  --rel-line: rgba(255,255,255,.13);
  --rel-text: #f8fafc;
  --rel-muted: #cbd5e1;
  --rel-blue: #22d3ee;
  --rel-pink: #ff107a;
  width: min(98vw, 1760px);
  margin: 28px auto;
  padding: clamp(22px, 3.5vw, 48px);
  border-radius: clamp(28px, 2.5vw, 44px);
  background:
    radial-gradient(circle at 8% 0%, rgba(34,211,238,.18), transparent 28rem),
    radial-gradient(circle at 92% 20%, rgba(255,16,122,.16), transparent 28rem),
    linear-gradient(145deg, #080e1c, #111827 58%, #090b14);
  border: 1px solid var(--rel-line);
  box-shadow: 0 26px 70px rgba(0,0,0,.28);
  color: var(--rel-text);
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.story-related-resources,
.story-related-resources * { box-sizing: border-box; }

.story-related-inner { width: min(1420px, 100%); margin: 0 auto; }
.story-related-header { margin-bottom: 24px; }
.story-related-kicker,
.story-related-eyebrow {
  margin: 0 0 8px;
  color: var(--rel-blue);
  font-size: .8rem;
  font-weight: 950;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.story-related-header h2,
.story-related-block h3 {
  margin: 0;
  color: #fff;
  font-weight: 950;
  line-height: 1.04;
  letter-spacing: -.05em;
}
.story-related-header h2 { font-size: clamp(2rem, 4vw, 4.4rem); }
.story-related-block h3 { font-size: clamp(1.35rem, 2vw, 2rem); }
.story-related-header p { max-width: 820px; color: var(--rel-muted); font-weight: 650; line-height: 1.65; margin: 12px 0 0; }
.story-related-block {
  padding: clamp(16px, 2.3vw, 28px);
  border-radius: 30px;
  background: rgba(255,255,255,.065);
  border: 1px solid var(--rel-line);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.10);
}
.story-related-block + .story-related-block { margin-top: 22px; }
.story-related-block-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.story-related-link {
  flex: 0 0 auto;
  color: #e0f2fe;
  text-decoration: none;
  font-weight: 900;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.13);
}
.story-related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.story-related-card a,
.story-related-empty {
  display: grid;
  height: 100%;
  overflow: hidden;
  border-radius: 24px;
  color: inherit;
  text-decoration: none;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.13);
  box-shadow: 0 18px 38px rgba(0,0,0,.20), inset 0 1px 0 rgba(255,255,255,.10);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.story-related-card a:hover {
  transform: translateY(-5px);
  border-color: rgba(34,211,238,.35);
  box-shadow: 0 24px 48px rgba(0,0,0,.28), 0 0 0 1px rgba(34,211,238,.14);
}
.story-related-img-wrap {
  position: relative;
  display: block;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, rgba(34,211,238,.18), rgba(255,16,122,.18));
}
.story-related-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.story-related-img-fallback { display: grid; place-items: center; width: 100%; height: 100%; font-size: 3rem; }
.story-related-type {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 7px 10px;
  border-radius: 999px;
  color: #10203f;
  background: rgba(255,255,255,.88);
  font-size: .72rem;
  font-weight: 950;
}
.story-related-copy {
  display: grid;
  gap: 8px;
  padding: 15px;
}
.story-related-grade {
  width: fit-content;
  color: #67e8f9;
  font-size: .74rem;
  font-weight: 950;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.story-related-copy strong { color: #fff; font-size: 1rem; line-height: 1.15; }
.story-related-copy span:last-child { color: var(--rel-muted); font-size: .86rem; line-height: 1.45; font-weight: 650; }
.story-related-empty { padding: 20px; color: var(--rel-muted); }
.story-related-empty strong { color: white; display: block; margin-bottom: 6px; }

@keyframes v8BookIdle {
  0%, 100% { transform: rotateX(8deg) rotateY(-20deg) rotateZ(-2deg) translateY(0); }
  50% { transform: rotateX(7deg) rotateY(-15deg) rotateZ(-.5deg) translateY(-12px); }
}

@keyframes v8BookLiftOpen {
  0% { transform: rotateX(8deg) rotateY(-20deg) rotateZ(-2deg) translateY(0) scale(1); }
  42% { transform: rotateX(5deg) rotateY(-10deg) rotateZ(0deg) translateY(-18px) scale(1.03); }
  100% { transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg) translateY(4px) scale(1.02); }
}

@keyframes v8RealCoverOpen {
  0% { transform: rotateY(0deg) translateZ(0); filter: brightness(1); opacity: 1; }
  28% { transform: rotateY(-42deg) translateX(-6px) translateZ(24px); filter: brightness(.98); opacity: 1; }
  62% { transform: rotateY(-112deg) translateX(-18px) translateZ(10px); filter: brightness(.86); opacity: .92; }
  88% { transform: rotateY(-164deg) translateX(-28px) translateZ(-6px); filter: brightness(.74); opacity: .45; }
  100% { transform: rotateY(-182deg) translateX(-30px) translateZ(-8px); filter: brightness(.70); opacity: 0; }
}

@keyframes v8StartPageFlip {
  0% { transform: translateZ(-2px) rotateY(0deg); opacity: 1; }
  58% { transform: translateZ(12px) rotateY(-64deg); opacity: .98; }
  100% { transform: translateZ(2px) rotateY(-154deg); opacity: .26; }
}

@keyframes v8StartPageFlipSoft {
  0% { transform: translateZ(-8px) rotateY(0deg); opacity: .92; }
  100% { transform: translateZ(-2px) rotateY(-118deg); opacity: .38; }
}

@keyframes v8RealPageFlip {
  0% { transform: rotateY(0deg) translateX(0) translateZ(18px); opacity: 0; filter: brightness(1.05); }
  8% { opacity: 1; }
  32% { transform: rotateY(-58deg) translateX(-8px) translateZ(48px); filter: brightness(1); }
  58% { transform: rotateY(-122deg) translateX(-18px) translateZ(38px); filter: brightness(.92); }
  82% { opacity: .96; }
  100% { transform: rotateY(-180deg) translateX(-24px) translateZ(12px); opacity: 0; filter: brightness(.82); }
}

@keyframes v8SpreadDuringFlip {
  0%, 100% { transform: translateZ(0) rotateX(0deg); filter: brightness(1); }
  38% { transform: translateZ(-8px) rotateX(1deg); filter: brightness(.98); }
  64% { transform: translateZ(-4px) rotateX(.4deg); filter: brightness(1.02); }
}

@keyframes v8PageShadowPulse {
  0%, 100% { opacity: 0; }
  35% { opacity: .32; }
  70% { opacity: .18; }
}

@keyframes v8LeftPageClose {
  0% { transform: rotateY(0deg); opacity: 1; }
  48% { transform: rotateY(22deg) translateX(8px); opacity: 1; }
  100% { transform: rotateY(76deg) translateX(28px); opacity: 0; }
}

@keyframes v8RightPageClose {
  0% { transform: rotateY(0deg); opacity: 1; }
  48% { transform: rotateY(-34deg) translateX(-8px); opacity: 1; }
  100% { transform: rotateY(-104deg) translateX(-34px); opacity: 0; }
}

@keyframes v8BookCloseSpread {
  0% { transform: scale(1) rotateX(0deg); opacity: 1; filter: blur(0); }
  65% { transform: scale(.96) rotateX(3deg); opacity: .9; filter: blur(.2px); }
  100% { transform: scale(.78) rotateX(8deg); opacity: 0; filter: blur(2px); }
}

@keyframes v8ClosedBookSettle {
  0% { opacity: 0; transform: rotateX(16deg) rotateY(-48deg) rotateZ(-6deg) translateY(-22px) scale(.82); }
  62% { opacity: 1; transform: rotateX(8deg) rotateY(-16deg) rotateZ(-2deg) translateY(6px) scale(1.03); }
  100% { opacity: 1; transform: rotateX(8deg) rotateY(-20deg) rotateZ(-2deg) translateY(0) scale(1); }
}

@media (max-width: 1100px) {
  #ibook_app .beginning-book-wrap,
  #ibook_app .book-spread,
  #ibook_app .end-card {
    grid-template-columns: 1fr !important;
  }
  #ibook_app .book-page,
  #ibook_app .book-page-inner { min-height: auto; }
  #ibook_app .story-image { max-height: none !important; }
  #ibook_app .page-flip-arc { display: none; }
  .story-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  #ibook_app .closed-book.realistic-start-book { width: min(320px, 82vw); }
  #ibook_app .story-text { font-size: 1.06rem; }
  #ibook_app .choice-card { grid-template-columns: auto 1fr; }
  #ibook_app .choice-arrow { display: none; }
  .story-related-block-head { align-items: start; flex-direction: column; }
  .story-related-grid { grid-template-columns: 1fr; }
}

/* ===== V9 tight-fit storybook refinements =====
   Keeps the live reading spread inside the viewport on desktop, lets story text breathe wider,
   and moves the end-screen action directly under the crowd rating. */
@media (min-width: 1101px) {
  #ibook_app .book_screen {
    height: 100vh !important;
    min-height: 100vh !important;
    max-height: 100vh !important;
    overflow: hidden !important;
    padding: clamp(10px, 1.2vw, 18px) !important;
    gap: clamp(8px, 0.9vw, 12px) !important;
  }

  #ibook_app .book-toolbar {
    flex: 0 0 auto !important;
    min-height: 0 !important;
  }

  #ibook_app .book-stage {
    flex: 1 1 auto !important;
    height: auto !important;
    min-height: 0 !important;
    overflow: hidden !important;
  }

  #ibook_app .book-spread {
    height: 100% !important;
    min-height: 0 !important;
    max-height: 100% !important;
    overflow: hidden !important;
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr) !important;
  }

  #ibook_app .book-page {
    height: 100% !important;
    min-height: 0 !important;
    max-height: 100% !important;
    overflow: hidden !important;
    padding: clamp(10px, 1.15vw, 20px) !important;
  }

  #ibook_app .book-page-inner {
    height: 100% !important;
    min-height: 0 !important;
    max-height: 100% !important;
    overflow: hidden !important;
    padding: clamp(10px, 1.05vw, 18px) !important;
    gap: clamp(8px, 0.9vw, 13px) !important;
  }

  #ibook_app .book-page-left .book-page-inner {
    display: grid !important;
    grid-template-rows: minmax(190px, 43%) minmax(0, 1fr) !important;
  }

  #ibook_app .story-scene-card {
    height: 100% !important;
    min-height: 0 !important;
    max-height: none !important;
    aspect-ratio: auto !important;
    padding: clamp(6px, 0.8vw, 10px) !important;
    overflow: hidden !important;
  }

  #ibook_app .story-image {
    width: 100% !important;
    height: 100% !important;
    min-height: 0 !important;
    max-height: none !important;
    object-fit: contain !important;
    object-position: center center !important;
  }

  #ibook_app .story-text {
    width: 100% !important;
    max-width: none !important;
    min-height: 0 !important;
    overflow: visible !important;
    color: #17213b !important;
    font-size: clamp(0.96rem, 1.05vw, 1.34rem) !important;
    line-height: 1.23 !important;
    letter-spacing: -0.012em !important;
    word-spacing: 0.03em !important;
  }

  #ibook_app .story-text p {
    margin: 0 0 clamp(5px, 0.62vw, 9px) !important;
  }

  #ibook_app .question-panel {
    gap: clamp(9px, 1vw, 14px) !important;
    overflow: hidden !important;
  }

  #ibook_app .question-box {
    padding: clamp(16px, 1.55vw, 24px) !important;
    border-radius: 28px !important;
  }

  #ibook_app .question-text {
    font-size: clamp(1.45rem, 2.08vw, 2.85rem) !important;
    line-height: 1.02 !important;
  }

  #ibook_app .choices-container {
    gap: clamp(10px, 1.2vw, 16px) !important;
    overflow: visible !important;
  }

  #ibook_app .choice-card {
    min-height: clamp(62px, 7vh, 86px) !important;
    padding: clamp(11px, 1vw, 16px) clamp(13px, 1.4vw, 20px) !important;
  }

  #ibook_app .choice-number {
    width: clamp(42px, 3.1vw, 54px) !important;
    height: clamp(42px, 3.1vw, 54px) !important;
  }

  #ibook_app .choice-text {
    font-size: clamp(0.94rem, 1.05vw, 1.25rem) !important;
    line-height: 1.15 !important;
    letter-spacing: -0.018em !important;
    word-spacing: 0.03em !important;
  }

  #ibook_app .teacher-intel-panel {
    margin-top: auto !important;
    padding: clamp(12px, 1.25vw, 18px) !important;
  }
}

#ibook_app .end-buttons-after-rating {
  margin-top: clamp(8px, 1vw, 14px) !important;
  margin-bottom: clamp(14px, 1.8vw, 24px) !important;
}

#ibook_app .end-buttons-after-rating .story-btn {
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.18) !important;
}

#ibook_app .story-recap {
  display: none !important;
}

#ibook_app .end-details-panel {
  grid-template-rows: auto auto auto !important;
}


/* =========================================================
   Today is a Birthday! - theme + readability patch
   Uses the same Buddy/Bear V8/V9 book, end-screen, and page-flip system,
   but keeps this title visually distinct with a birthday palette.
   ========================================================= */
#abzStoryTopper {
  --topper-blue: #f472b6;
  --topper-purple: #a78bfa;
  --topper-pink: #f97316;
  --topper-gold: #facc15;
  background:
    radial-gradient(circle at 12% 0%, rgba(251, 191, 36, 0.20), transparent 19rem),
    radial-gradient(circle at 86% 12%, rgba(219, 39, 119, 0.18), transparent 20rem),
    linear-gradient(180deg, #182234, #0b1220) !important;
}

#abzStoryTopper .story-topper-meta span:nth-child(2) {
  color: #fde68a !important;
  background: rgba(251, 191, 36, 0.16) !important;
  border-color: rgba(251, 191, 36, 0.30) !important;
}

#ibook_app {
  --story-blue: #db2777;
  --story-purple: #7c3aed;
  --story-pink: #f97316;
  --story-cyan: #22d3ee;
  --story-gold: #facc15;
  --story-green: #14b8a6;
  background:
    radial-gradient(circle at 10% 8%, rgba(251, 191, 36, 0.14), transparent 25rem),
    radial-gradient(circle at 88% 14%, rgba(219, 39, 119, 0.16), transparent 25rem),
    radial-gradient(circle at 50% 105%, rgba(20, 184, 166, 0.12), transparent 31rem),
    linear-gradient(145deg, #08111f 0%, #101827 52%, #140d26 100%) !important;
}

#ibook_app .book-cover-closed,
#ibook_app .book-front-cover {
  background:
    linear-gradient(90deg, rgba(0,0,0,0.34) 0 22px, transparent 22px),
    radial-gradient(circle at 85% 8%, rgba(255,255,255,0.22), transparent 13rem),
    linear-gradient(145deg, #db2777, #f97316 42%, #facc15 72%, #14b8a6) !important;
}

#ibook_app .end-book-cover {
  background:
    linear-gradient(90deg, rgba(0,0,0,0.30) 0 18px, transparent 18px),
    radial-gradient(circle at 88% 8%, rgba(255,255,255,0.18), transparent 12rem),
    linear-gradient(145deg, #db2777, #f97316 52%, #facc15) !important;
}

#ibook_app .story-gradient-text {
  background: linear-gradient(90deg, #facc15, #f97316 34%, #ec4899 68%, #22d3ee 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
}

#ibook_app .story-btn-primary,
#abzStoryTopper .story-topper-btn-primary {
  background: linear-gradient(135deg, #db2777, #f97316 56%, #facc15) !important;
  box-shadow: 0 16px 30px rgba(219, 39, 119, 0.25) !important;
}

#ibook_app .question-box {
  background:
    radial-gradient(circle at 12% 0%, rgba(251, 191, 36, 0.25), transparent 13rem),
    radial-gradient(circle at 90% 0%, rgba(236, 72, 153, 0.22), transparent 11rem),
    linear-gradient(145deg, #0f172a, #381432 56%, #7c2d12) !important;
}

#ibook_app .choice-card {
  border-color: rgba(244, 114, 182, 0.30) !important;
  background:
    radial-gradient(circle at 100% 0%, rgba(254, 240, 138, 0.54), transparent 16rem),
    linear-gradient(135deg, #ffffff, #fff7ed 55%, #fdf2f8) !important;
}

#ibook_app .choice-number {
  background: linear-gradient(135deg, #db2777, #f97316 48%, #facc15) !important;
}

#ibook_app .teacher-intel-panel {
  background:
    radial-gradient(circle at 12% 0%, rgba(251, 191, 36, 0.20), transparent 10rem),
    linear-gradient(180deg, rgba(255, 251, 235, 0.98), rgba(240, 253, 244, 0.94)) !important;
}

#ibook_app .crowd-rating-card {
  background:
    radial-gradient(circle at 100% 0%, rgba(251,191,36,0.22), transparent 13rem),
    linear-gradient(135deg, #ffffff, #fff7ed 62%, #fdf2f8) !important;
}

#ibook_app .story-feedback-support .abz_card {
  background:
    radial-gradient(circle at 0% 0%, rgba(251,191,36,.20), transparent 18rem),
    radial-gradient(circle at 100% 0%, rgba(236,72,153,.13), transparent 16rem),
    linear-gradient(135deg, #ffffff, #fff7ed 72%, #fdf2f8) !important;
}

.story-related-resources,
.storybook_resource_info {
  background:
    radial-gradient(circle at 8% 0%, rgba(251,191,36,.14), transparent 28rem),
    radial-gradient(circle at 92% 20%, rgba(219,39,119,.15), transparent 28rem),
    linear-gradient(145deg, #080e1c, #151026 58%, #090b14) !important;
}

/* Bigger Kindergarten text, but the JS auto-fit can shrink only when needed. */
#ibook_app .story-text {
  font-size: var(--emu-story-font-size, clamp(1.40rem, 1.66vw, 1.94rem)) !important;
  line-height: var(--emu-story-line-height, 1.32) !important;
  letter-spacing: -0.032em !important;
  overflow: hidden !important;
}

#ibook_app .story-text p {
  margin: 0 0 var(--emu-story-paragraph-gap, 8px) !important;
}

#ibook_app .story-scene-card {
  max-height: var(--emu-scene-max-height, min(35vh, 380px)) !important;
}

#ibook_app .story-image {
  max-height: var(--emu-image-max-height, min(35vh, 380px)) !important;
}

#ibook_app .question-text {
  font-size: clamp(1.66rem, 2.18vw, 2.72rem) !important;
  line-height: 1.06 !important;
}

#ibook_app .choice-text {
  font-size: clamp(1.16rem, 1.32vw, 1.58rem) !important;
  line-height: 1.16 !important;
  overflow-wrap: anywhere;
}

#ibook_app .choice-card {
  min-height: auto !important;
  height: auto !important;
}

@media (min-width: 1101px) {
  #ibook_app .story-text {
    font-size: var(--emu-story-font-size, clamp(1.02rem, 1.14vw, 1.42rem)) !important;
    line-height: var(--emu-story-line-height, 1.22) !important;
  }

  #ibook_app .choice-text {
    font-size: clamp(1.02rem, 1.12vw, 1.34rem) !important;
    line-height: 1.14 !important;
  }
}

@media (max-width: 1100px) {
  #ibook_app .story-text {
    font-size: clamp(1.12rem, 3.9vw, 1.5rem) !important;
    line-height: 1.36 !important;
    overflow: visible !important;
  }

  #ibook_app .question-text {
    font-size: clamp(1.55rem, 5vw, 2.25rem) !important;
  }

  #ibook_app .choice-text {
    font-size: clamp(1.08rem, 4vw, 1.35rem) !important;
  }
}

/* =========================================================
   V10 PATCH - remove idle book crease from live pages
   The Buddy/Bear page-flip sheet should animate ONLY while turning.
   Do not leave a permanent vertical spine/crease over the story art/text.
   ========================================================= */
#ibook_app .book-spread::before {
  display: none !important;
  content: none !important;
}

#ibook_app .book-stage:not(.is-page-turning) .page-flip-arc {
  opacity: 0 !important;
  visibility: hidden !important;
}

#ibook_app .book-stage.is-page-turning .page-flip-arc {
  visibility: visible !important;
}

#ibook_app .book-page-left {
  box-shadow: inset -10px 0 20px rgba(99, 72, 24, 0.06) !important;
}

#ibook_app .book-page-right {
  box-shadow: inset 10px 0 20px rgba(99, 72, 24, 0.05) !important;
}