.book-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.book-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}

.book-counter {
  font-size: 0.85rem;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}

.book-counter strong {
  color: var(--accent-strong);
  font-family: var(--serif);
  font-size: 1.05rem;
}

.book-stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0 3rem;
}

.cover {
  text-align: center;
  max-width: 560px;
  width: 100%;
  padding: 3.25rem 2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #2b1a4d, #150b26);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.cover::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(231, 207, 142, 0.28);
  border-radius: calc(var(--radius-lg) - 8px);
  pointer-events: none;
}

.cover-rule {
  width: 52px;
  height: 1px;
  background: var(--accent);
  margin: 1.2rem auto;
  opacity: 0.8;
}

.cover .cover-eyebrow {
  letter-spacing: 0.42em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: rgba(250, 246, 235, 0.6);
}

.cover .cover-title {
  font-size: 2.6rem;
  margin: 0.75rem 0 0.25rem;
  color: var(--gold-300);
  font-style: italic;
  font-weight: 500;
}

.cover .cover-name {
  font-size: 2rem;
  margin: 0.5rem 0;
  color: #faf6eb;
  letter-spacing: 0.02em;
}

.cover .cover-years {
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(250, 246, 235, 0.75);
  margin: 0.75rem 0 0.25rem;
}

.cover .cover-year {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--gold-400);
}

.cover .cover-cta {
  margin-top: 2.25rem;
}

.reader {
  display: none;
  width: 100%;
  max-width: 700px;
}

.reader.is-active {
  display: block;
}

.page {
  background: linear-gradient(180deg, #fffdf6, #f7f0dd);
  color: #3a2f20;
  border-radius: 4px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(169, 130, 58, 0.2);
  padding: clamp(2rem, 6vw, 4rem);
  min-height: 420px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.page::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 34px;
  background: linear-gradient(90deg, rgba(169, 130, 58, 0.16), transparent);
  border-radius: 4px 0 0 4px;
  pointer-events: none;
}

.page.is-turning-in {
  animation: page-in 0.45s var(--ease);
}

.page.is-turning-prev {
  animation: page-in-prev 0.45s var(--ease);
}

@keyframes page-in {
  from {
    opacity: 0;
    transform: translateX(28px) rotateY(-4deg);
  }
  to {
    opacity: 1;
    transform: translateX(0) rotateY(0);
  }
}

@keyframes page-in-prev {
  from {
    opacity: 0;
    transform: translateX(-28px) rotateY(4deg);
  }
  to {
    opacity: 1;
    transform: translateX(0) rotateY(0);
  }
}

.page-number {
  font-family: var(--serif);
  font-size: 0.9rem;
  color: #a9823a;
  letter-spacing: 0.2em;
  margin-bottom: 1.75rem;
}

.page-salutation {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: #4a3a20;
  margin-bottom: 1rem;
}

.page-message {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 3.2vw, 1.45rem);
  line-height: 1.65;
  color: #3a2f20;
  white-space: pre-wrap;
  word-wrap: break-word;
  flex: 1;
}

.page-signoff {
  margin-top: 2.5rem;
  text-align: right;
}

.page-signoff .sign-name {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: #4a3a20;
}

.page-signoff .sign-rel {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a9823a;
}

.reader-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}

.reader-nav {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.reader-pos {
  font-size: 0.9rem;
  color: var(--text-soft);
  letter-spacing: 0.08em;
  min-width: 74px;
  text-align: center;
}

.reader-tools {
  display: flex;
  gap: 0.4rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-soft);
  transition: background 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.icon-btn:hover {
  background: var(--bg-soft);
  color: var(--accent-strong);
  border-color: var(--accent);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.empty-state {
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.empty-state .empty-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.empty-state h2 {
  font-size: 1.8rem;
}

.empty-state p {
  color: var(--text-soft);
  margin-bottom: 1.5rem;
}

.error-state {
  text-align: center;
  color: var(--text-soft);
  padding: 2rem 1rem;
}

.error-state button {
  margin-top: 1rem;
}