/* ============================================================
   Reader Commercial v4 - cleaner premium marketing block
   ============================================================ */

.reader-body .reader-mkt {
  --mkt-accent: var(--reader-accent, #06b6d4);
  --mkt-surface: color-mix(in srgb, var(--reader-surface, #0f1117) 96%, var(--mkt-accent) 4%);
  --mkt-border: var(--reader-glass-border, rgba(255, 255, 255, 0.08));
  --mkt-text: var(--reader-text, #f5f7fb);
  --mkt-muted: var(--reader-muted, #9aa4b2);
  --mkt-ring: 113.1;
  position: relative;
  color: var(--mkt-text);
}

.reader-body .reader-mkt__ambient {
  position: absolute;
  inset: 0 0 auto;
  height: 520px;
  pointer-events: none;
  overflow: hidden;
}

.reader-body .reader-mkt__ambient-img {
  position: absolute;
  inset: -20%;
  width: 140%;
  height: 140%;
  object-fit: cover;
  filter: blur(56px) saturate(1.15);
  opacity: 0.22;
}

.reader-body .reader-mkt__ambient-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--reader-bg) 45%, transparent) 0%,
    var(--reader-bg) 88%
  );
}

.reader-body .reader-mkt__ambient-grain {
  display: none;
}

.reader-body .reader-mkt__stack {
  position: relative;
  z-index: 1;
  padding: 2rem 0 0;
}

.reader-body .reader-mkt__crumb {
  margin-bottom: 1rem;
}

.reader-body .reader-mkt__crumb-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.5rem;
  font-size: 0.74rem;
  color: var(--mkt-muted);
}

.reader-body .reader-mkt__crumb-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.reader-body .reader-mkt__crumb-list li:not(:last-child)::after {
  content: "/";
  opacity: 0.45;
}

.reader-body .reader-mkt__crumb-list a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.reader-body .reader-mkt__crumb-list a:hover {
  color: var(--mkt-text);
}

.reader-body .reader-mkt__crumb-list .is-active {
  color: var(--mkt-text);
  font-weight: 600;
}

.reader-body .reader-mkt__deck {
  border: 1px solid color-mix(in srgb, var(--mkt-border) 85%, var(--mkt-accent) 15%);
  border-radius: 22px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--mkt-surface) 98%, transparent),
    color-mix(in srgb, var(--mkt-surface) 92%, var(--reader-bg) 8%)
  );
  box-shadow:
    0 24px 50px rgba(0, 0, 0, 0.34),
    0 1px 0 rgba(255, 255, 255, 0.08) inset;
  overflow: hidden;
}

.reader-body .reader-mkt__deck-glow,
.reader-body .reader-mkt__deck-shine {
  display: none;
}

.reader-body .reader-mkt__deck-grid {
  display: grid;
  grid-template-columns: 164px minmax(0, 1fr);
  gap: 1.5rem 1.8rem;
  padding: 1.6rem;
}

.reader-body .reader-mkt__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}

.reader-body .reader-mkt__cover {
  width: 100%;
  display: block;
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow:
    0 16px 32px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.reader-body .reader-mkt__cover:hover {
  transform: translateY(-2px);
  box-shadow:
    0 20px 36px rgba(0, 0, 0, 0.4),
    0 0 0 1px color-mix(in srgb, var(--mkt-accent) 28%, transparent);
}

.reader-body .reader-mkt__cover img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
}

.reader-body .reader-mkt__cover-shine {
  display: none;
}

.reader-body .reader-mkt__cover-badge {
  position: absolute;
  left: 0.5rem;
  right: 0.5rem;
  bottom: 0.5rem;
  padding: 0.28rem 0.5rem;
  border-radius: 8px;
  background: rgba(16, 185, 129, 0.9);
  color: #072821;
  text-align: center;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.reader-body .reader-mkt__chapter-ring {
  width: 66px;
  height: 66px;
  position: relative;
}

.reader-body .reader-mkt__ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.reader-body .reader-mkt__ring-track,
.reader-body .reader-mkt__ring-fill {
  fill: none;
  stroke-width: 3;
}

.reader-body .reader-mkt__ring-track {
  stroke: color-mix(in srgb, var(--mkt-text) 14%, transparent);
}

.reader-body .reader-mkt__ring-fill {
  stroke: var(--mkt-accent);
  stroke-linecap: round;
  stroke-dasharray: var(--mkt-ring);
  stroke-dashoffset: calc(var(--mkt-ring) * (1 - var(--mkt-ch) / var(--mkt-total)));
  transition: stroke-dashoffset 0.4s ease;
}

.reader-body .reader-mkt__ring-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.reader-body .reader-mkt__ring-sep,
.reader-body .reader-mkt__ring-total {
  color: var(--mkt-muted);
  font-size: 0.66rem;
}

.reader-body .reader-mkt__content {
  min-width: 0;
}

.reader-body .reader-mkt__status-row {
  margin-bottom: 0.55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.reader-body .reader-mkt__eyebrow {
  margin: 0;
  font-size: 0.72rem;
  color: var(--mkt-muted);
}

.reader-body .reader-mkt__eyebrow-dot {
  display: none;
}

.reader-body .reader-mkt__finish-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.22rem 0.56rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #f5d675;
  border: 1px solid rgba(245, 214, 117, 0.34);
  background: rgba(245, 214, 117, 0.08);
}

.reader-body .reader-mkt__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 800;
  text-wrap: balance;
}

.reader-body .reader-mkt__chapter-line {
  margin: 0.45rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.55rem;
  align-items: center;
}

.reader-body .reader-mkt__chapter-kicker {
  font-size: 0.7rem;
  color: var(--mkt-accent);
  border: 1px solid color-mix(in srgb, var(--mkt-accent) 35%, transparent);
  background: color-mix(in srgb, var(--mkt-accent) 10%, transparent);
  border-radius: 999px;
  padding: 0.2rem 0.54rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 700;
}

.reader-body .reader-mkt__chapter-name {
  font-size: 0.95rem;
  color: color-mix(in srgb, var(--mkt-text) 88%, var(--mkt-muted));
  font-weight: 600;
}

.reader-body .reader-mkt__desc {
  margin: 0.8rem 0 0;
  max-width: 62ch;
  font-size: 0.875rem;
  line-height: 1.66;
  color: var(--mkt-muted);
}

.reader-body .reader-mkt__desc strong {
  color: var(--mkt-text);
  font-weight: 600;
}

.reader-body .reader-mkt__stats {
  margin-top: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.reader-body .reader-mkt__stat {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--mkt-border);
  border-radius: 10px;
  padding: 0.34rem 0.6rem;
  color: var(--mkt-muted);
  font-size: 0.74rem;
  font-weight: 600;
  background: color-mix(in srgb, var(--mkt-text) 2%, transparent);
}

.reader-body .reader-mkt__stat svg {
  color: color-mix(in srgb, var(--mkt-accent) 80%, white 20%);
}

.reader-body .reader-mkt__stat--rating .star-display {
  font-size: 0.72rem;
}

.reader-body .reader-mkt__tags {
  margin-top: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

.reader-body .reader-mkt__tag {
  text-decoration: none;
  color: var(--mkt-muted);
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid var(--mkt-border);
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.reader-body .reader-mkt__tag:hover {
  color: var(--mkt-text);
  border-color: color-mix(in srgb, var(--mkt-accent) 32%, transparent);
  background: color-mix(in srgb, var(--mkt-accent) 9%, transparent);
}

.reader-body .reader-mkt__actions {
  margin-top: 1.1rem;
  border: 1px solid var(--mkt-border);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  background: color-mix(in srgb, var(--mkt-text) 2%, transparent);
}

.reader-body .reader-mkt__actions-title {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
}

.reader-body .reader-mkt__actions-desc {
  margin: 0.2rem 0 0;
  font-size: 0.76rem;
  color: var(--mkt-muted);
}

.reader-body .reader-mkt__actions-bar .action-bar {
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  gap: 0.5rem;
}

.reader-body .reader-mkt__actions-bar .action-bar__btn {
  min-height: 40px;
  border-radius: 10px;
  border: 1px solid var(--mkt-border);
  background: color-mix(in srgb, var(--mkt-text) 4%, transparent);
  color: var(--mkt-text);
  font-size: 0.8rem;
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.reader-body .reader-mkt__actions-bar .action-bar__btn:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--mkt-accent) 40%, transparent);
  background: color-mix(in srgb, var(--mkt-accent) 12%, transparent);
}

.reader-body .reader-mkt__actions-bar .action-bar__follow[aria-pressed='true'] {
  border-color: color-mix(in srgb, #f43f5e 50%, transparent);
  background: color-mix(in srgb, #f43f5e 14%, transparent);
  color: #fda4af;
}

.reader-body .reader-mkt__nav-rail {
  border-top: 1px solid var(--mkt-border);
  padding: 1rem 1.2rem 1.2rem;
}

.reader-body .reader-mkt__nav-heading {
  margin: 0 0 0.65rem;
  color: var(--mkt-muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.reader-body .reader-mkt__nav-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.58rem;
}

.reader-body .reader-mkt__nav-btn {
  min-height: 70px;
  border: 1px solid var(--mkt-border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--mkt-text) 2%, transparent);
  color: var(--mkt-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.56rem;
  padding: 0.72rem 0.82rem;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.reader-body .reader-mkt__nav-btn:hover:not(.is-disabled) {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--mkt-accent) 36%, transparent);
  background: color-mix(in srgb, var(--mkt-accent) 8%, transparent);
}

.reader-body .reader-mkt__nav-btn--list {
  justify-content: center;
}

.reader-body .reader-mkt__nav-btn--next {
  justify-content: flex-end;
  text-align: right;
}

.reader-body .reader-mkt__nav-btn.is-disabled {
  opacity: 0.34;
  pointer-events: none;
}

.reader-body .reader-mkt__nav-btn--done {
  border-color: color-mix(in srgb, var(--mkt-accent) 36%, transparent);
  background: color-mix(in srgb, var(--mkt-accent) 12%, transparent);
}

.reader-body .reader-mkt__nav-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--mkt-border);
  background: color-mix(in srgb, var(--mkt-text) 4%, transparent);
  color: var(--mkt-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.reader-body .reader-mkt__nav-icon--hub {
  background: color-mix(in srgb, var(--mkt-accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--mkt-accent) 24%, transparent);
}

.reader-body .reader-mkt__nav-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.reader-body .reader-mkt__nav-label {
  color: var(--mkt-muted);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.reader-body .reader-mkt__nav-title {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.reader-body .reader-mkt__discover {
  margin-top: 2.3rem;
  border-top: 1px solid var(--mkt-border);
}

.reader-body .reader-mkt__discover .home-section {
  padding: 2.1rem 0;
  background: transparent;
}

.reader-body .reader-mkt__discover .home-section--alt {
  background: color-mix(in srgb, var(--mkt-text) 1.8%, transparent);
}

.reader-body .reader-mkt__discover .section-bar__title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--mkt-text);
  letter-spacing: -0.02em;
}

.reader-body .reader-mkt__discover .section-bar__more {
  color: var(--mkt-accent);
}

.reader-body .reader-mkt__newsletter {
  padding: 0 0 2.5rem;
}

.reader-body .reader-mkt__newsletter-card {
  border: 1px solid var(--mkt-border);
  border-radius: 16px;
  background: color-mix(in srgb, var(--mkt-text) 2%, transparent);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 1.5rem;
  align-items: center;
  padding: 1.15rem 1.2rem;
}

.reader-body .reader-mkt__newsletter-glow {
  display: none;
}

.reader-body .reader-mkt__newsletter-kicker {
  margin: 0;
  color: var(--mkt-accent);
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.reader-body .reader-mkt__newsletter-title {
  margin: 0.22rem 0 0;
  font-size: 1rem;
  font-weight: 800;
}

.reader-body .reader-mkt__newsletter-desc {
  margin: 0.3rem 0 0;
  font-size: 0.8rem;
  color: var(--mkt-muted);
}

.reader-body .reader-mkt__newsletter-form {
  display: flex;
  gap: 0.48rem;
  flex-wrap: wrap;
}

.reader-body .reader-mkt__newsletter-input {
  min-width: 220px;
  min-height: 42px;
  border-radius: 10px;
  border: 1px solid var(--mkt-border);
  background: color-mix(in srgb, var(--mkt-text) 4%, transparent);
  color: var(--mkt-text);
  padding: 0 0.9rem;
}

.reader-body .reader-mkt__newsletter-input::placeholder {
  color: var(--mkt-muted);
}

.reader-body .reader-mkt__newsletter-btn {
  min-height: 42px;
  border-radius: 10px;
  padding: 0 1.1rem;
  font-weight: 700;
}

.reader-body .reader-mkt__newsletter-btn::before {
  display: none;
}

.reader-body .reader-mkt__newsletter-msg {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 0.8rem;
}

.reader-body.is-immersive .reader-mkt__discover,
.reader-body.is-immersive .reader-mkt__actions,
.reader-body.is-immersive .reader-mkt__newsletter {
  display: none;
}

.reader-body.is-immersive .reader-mkt__stack {
  padding-top: 1.2rem;
}

@media (max-width: 920px) {
  .reader-body .reader-mkt__deck-grid {
    grid-template-columns: 132px minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .reader-body .reader-mkt__stack {
    padding-top: 1.25rem;
  }

  .reader-body .reader-mkt__deck-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.2rem;
  }

  .reader-body .reader-mkt__visual {
    flex-direction: row;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 1rem;
  }

  .reader-body .reader-mkt__cover {
    width: 108px;
    min-width: 108px;
  }

  .reader-body .reader-mkt__chapter-ring {
    width: 58px;
    height: 58px;
  }

  .reader-body .reader-mkt__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .reader-body .reader-mkt__actions-bar .action-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .reader-body .reader-mkt__actions-bar .action-bar__btn {
    width: 100%;
    justify-content: center;
  }

  .reader-body .reader-mkt__nav-grid {
    grid-template-columns: 1fr;
  }

  .reader-body .reader-mkt__nav-btn--list,
  .reader-body .reader-mkt__nav-btn--next {
    justify-content: flex-start;
    text-align: left;
  }

  .reader-body .reader-mkt__newsletter-card {
    grid-template-columns: 1fr;
  }

  .reader-body .reader-mkt__newsletter-form {
    flex-direction: column;
  }

  .reader-body .reader-mkt__newsletter-input,
  .reader-body .reader-mkt__newsletter-btn {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 520px) {
  .reader-body .reader-mkt__visual {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .reader-body .reader-mkt__status-row,
  .reader-body .reader-mkt__chapter-line,
  .reader-body .reader-mkt__stats,
  .reader-body .reader-mkt__tags {
    justify-content: center;
  }

  .reader-body .reader-mkt__desc {
    text-align: center;
    margin-inline: auto;
  }

  .reader-body .reader-mkt__crumb-list {
    justify-content: center;
  }
}

/* ============================================================
   Reader Marketing - Luxe polish layer
   ============================================================ */

.reader-body .reader-mkt {
  --mkt-luxe-shadow: 0 28px 56px rgba(1, 6, 18, 0.42);
}

.reader-body .reader-mkt__deck {
  position: relative;
  border-color: color-mix(in srgb, var(--mkt-accent) 18%, var(--mkt-border));
  box-shadow: var(--mkt-luxe-shadow), 0 1px 0 rgba(255, 255, 255, 0.08) inset;
}

.reader-body .reader-mkt__deck::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(120% 140% at 8% -15%, rgba(255, 255, 255, 0.1), transparent 45%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 28%);
}

.reader-body .reader-mkt__cover {
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow:
    0 20px 38px rgba(2, 8, 24, 0.44),
    0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

.reader-body .reader-mkt__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.16) 0%, transparent 34%, transparent 100%);
}

.reader-body .reader-mkt__title {
  text-shadow: 0 1px 18px rgba(6, 182, 212, 0.12);
}

.reader-body .reader-mkt__stat,
.reader-body .reader-mkt__actions,
.reader-body .reader-mkt__newsletter-card,
.reader-body .reader-mkt__nav-btn {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.reader-body .reader-mkt__stat {
  border-color: color-mix(in srgb, var(--mkt-border) 72%, var(--mkt-accent) 28%);
}

.reader-body .reader-mkt__actions {
  border-color: color-mix(in srgb, var(--mkt-border) 68%, var(--mkt-accent) 32%);
  box-shadow:
    0 10px 30px rgba(2, 8, 24, 0.22),
    0 1px 0 rgba(255, 255, 255, 0.05) inset;
}

.reader-body .reader-mkt__actions-bar .action-bar__btn {
  box-shadow: 0 6px 18px rgba(2, 8, 24, 0.2);
}

.reader-body .reader-mkt__actions-bar .action-bar__btn:focus-visible,
.reader-body .reader-mkt__tag:focus-visible,
.reader-body .reader-mkt__nav-btn:focus-visible,
.reader-body .reader-mkt__newsletter-input:focus-visible,
.reader-body .reader-mkt__newsletter-btn:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--mkt-accent) 74%, white 26%);
  outline-offset: 2px;
}

.reader-body .reader-mkt__nav-btn {
  border-color: color-mix(in srgb, var(--mkt-border) 74%, var(--mkt-accent) 26%);
}

.reader-body .reader-mkt__nav-btn--done {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--mkt-accent) 18%, transparent),
    color-mix(in srgb, var(--mkt-accent) 6%, transparent)
  );
  box-shadow: 0 12px 28px color-mix(in srgb, var(--mkt-accent) 18%, transparent);
}

.reader-body .reader-mkt__newsletter-card {
  position: relative;
  overflow: hidden;
}

.reader-body .reader-mkt__newsletter-card::before {
  content: "";
  position: absolute;
  inset: -80% -30%;
  background: linear-gradient(102deg, transparent 46%, rgba(255, 255, 255, 0.1) 50%, transparent 54%);
  animation: reader-mkt-luxe-sweep 7.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes reader-mkt-luxe-sweep {
  0%, 100% { transform: translateX(-24%); }
  50% { transform: translateX(24%); }
}

.reader-body .reader-mkt__newsletter-btn {
  position: relative;
  overflow: hidden;
}

.reader-body .reader-mkt__newsletter-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 36%, rgba(255, 255, 255, 0.22) 50%, transparent 64%);
  transform: translateX(-120%);
  animation: reader-mkt-btn-shine 4.8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes reader-mkt-btn-shine {
  0%, 72%, 100% { transform: translateX(-120%); }
  86% { transform: translateX(120%); }
}

/* ============================================================
   Reader Marketing v6 - clean premium refinement
   ============================================================ */

.reader-body .reader-mkt {
  --mkt-accent: color-mix(in srgb, var(--reader-accent, #06b6d4) 74%, #9dd8e6);
  --mkt-surface: color-mix(in srgb, var(--reader-surface, #0f1117) 97%, #101926 3%);
  --mkt-border: color-mix(in srgb, var(--reader-glass-border, rgba(255, 255, 255, 0.08)) 78%, rgba(255, 255, 255, 0.18));
  --mkt-text: color-mix(in srgb, var(--reader-text, #f5f7fb) 96%, #ffffff);
  --mkt-muted: color-mix(in srgb, var(--reader-muted, #9aa4b2) 90%, #c9d2df);
}

.reader-body .reader-mkt__ambient-img {
  opacity: 0.14;
  filter: blur(64px) saturate(1.02);
}

.reader-body .reader-mkt__ambient-scrim {
  background: linear-gradient(180deg, color-mix(in srgb, var(--reader-bg) 62%, transparent) 0%, var(--reader-bg) 86%);
}

.reader-body .reader-mkt__deck {
  border-radius: 24px;
  border-color: var(--mkt-border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 30%),
    linear-gradient(180deg, color-mix(in srgb, var(--mkt-surface) 97%, transparent), color-mix(in srgb, var(--mkt-surface) 92%, var(--reader-bg) 8%));
  box-shadow:
    0 18px 40px rgba(2, 8, 24, 0.28),
    0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

.reader-body .reader-mkt__deck::before {
  background:
    radial-gradient(130% 120% at 8% -20%, rgba(255, 255, 255, 0.07), transparent 50%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 32%);
}

.reader-body .reader-mkt__deck-grid {
  gap: 1.45rem 1.8rem;
  padding: 1.7rem;
}

.reader-body .reader-mkt__cover {
  border-radius: 16px;
  border-color: color-mix(in srgb, var(--mkt-border) 70%, rgba(255, 255, 255, 0.16));
  box-shadow:
    0 14px 28px rgba(2, 8, 24, 0.30),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.reader-body .reader-mkt__cover:hover {
  transform: translateY(-1px);
  box-shadow:
    0 18px 30px rgba(2, 8, 24, 0.34),
    0 0 0 1px color-mix(in srgb, var(--mkt-accent) 18%, transparent);
}

.reader-body .reader-mkt__title {
  font-size: clamp(1.45rem, 2.4vw, 1.95rem);
  line-height: 1.16;
  text-shadow: none;
}

.reader-body .reader-mkt__chapter-name {
  color: color-mix(in srgb, var(--mkt-text) 84%, var(--mkt-muted));
}

.reader-body .reader-mkt__desc {
  max-width: 64ch;
  line-height: 1.72;
  color: color-mix(in srgb, var(--mkt-muted) 93%, #c8d2df);
}

.reader-body .reader-mkt__stat,
.reader-body .reader-mkt__actions,
.reader-body .reader-mkt__newsletter-card,
.reader-body .reader-mkt__nav-btn {
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.reader-body .reader-mkt__stat {
  border-radius: 11px;
  background: color-mix(in srgb, var(--mkt-text) 1.6%, transparent);
}

.reader-body .reader-mkt__tags {
  gap: 0.45rem;
}

.reader-body .reader-mkt__tag {
  border-color: color-mix(in srgb, var(--mkt-border) 82%, var(--mkt-accent) 18%);
  color: color-mix(in srgb, var(--mkt-muted) 90%, #d2dbe7);
}

.reader-body .reader-mkt__tag:hover {
  color: var(--mkt-text);
  background: color-mix(in srgb, var(--mkt-accent) 7%, transparent);
}

.reader-body .reader-mkt__actions {
  border-radius: 16px;
  padding: 1rem 1.05rem;
  border-color: color-mix(in srgb, var(--mkt-border) 78%, var(--mkt-accent) 22%);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  box-shadow: 0 8px 20px rgba(2, 8, 24, 0.16);
}

.reader-body .reader-mkt__actions-bar .action-bar__btn {
  border-radius: 11px;
  min-height: 41px;
  box-shadow: none;
}

.reader-body .reader-mkt__actions-bar .action-bar__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(2, 8, 24, 0.2);
}

.reader-body .reader-mkt__nav-rail {
  padding: 1.05rem 1.2rem 1.2rem;
}

.reader-body .reader-mkt__nav-grid {
  gap: 0.6rem;
}

.reader-body .reader-mkt__nav-btn {
  min-height: 72px;
  border-radius: 13px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.008));
}

.reader-body .reader-mkt__nav-btn:hover:not(.is-disabled) {
  transform: translateY(-1px);
  box-shadow: 0 7px 18px rgba(2, 8, 24, 0.22);
}

.reader-body .reader-mkt__nav-icon {
  border-radius: 10px;
}

.reader-body .reader-mkt__newsletter-card {
  border-radius: 18px;
  border-color: color-mix(in srgb, var(--mkt-border) 80%, var(--mkt-accent) 20%);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01)),
    color-mix(in srgb, var(--mkt-surface) 96%, transparent);
  box-shadow: 0 10px 24px rgba(2, 8, 24, 0.18);
}

.reader-body .reader-mkt__newsletter-card::before,
.reader-body .reader-mkt__newsletter-btn::before,
.reader-body .reader-mkt__newsletter-glow {
  display: none;
}

.reader-body .reader-mkt__newsletter-title {
  font-size: 1.04rem;
}

.reader-body .reader-mkt__newsletter-input {
  border-radius: 11px;
}

.reader-body .reader-mkt__newsletter-btn {
  border-radius: 11px;
}

@media (max-width: 768px) {
  .reader-body .reader-mkt__deck-grid {
    padding: 1.25rem;
  }

  .reader-body .reader-mkt__title {
    font-size: 1.3rem;
  }
}

/* ============================================================
   Preset A - Luxury dark cinematic
   ============================================================ */

.reader-body .reader-mkt {
  --mkt-accent: #56cde4;
  --mkt-surface: #0b111a;
  --mkt-border: rgba(141, 190, 214, 0.24);
  --mkt-text: #f5f8ff;
  --mkt-muted: #93a3b7;
}

.reader-body .reader-mkt__ambient-img {
  opacity: 0.2;
  filter: blur(68px) saturate(1.05) brightness(0.65);
}

.reader-body .reader-mkt__ambient-scrim {
  background:
    radial-gradient(120% 90% at 10% -10%, rgba(86, 205, 228, 0.14), transparent 56%),
    linear-gradient(180deg, rgba(4, 8, 16, 0.36) 0%, rgba(4, 8, 16, 0.9) 82%);
}

.reader-body .reader-mkt__deck {
  border-color: rgba(131, 183, 214, 0.28);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008) 28%, transparent 100%),
    linear-gradient(160deg, rgba(13, 22, 34, 0.98), rgba(10, 18, 28, 0.98));
  box-shadow:
    0 26px 54px rgba(0, 6, 18, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset;
}

.reader-body .reader-mkt__deck::before {
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(128, 201, 228, 0.12), transparent 52%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 30%);
}

.reader-body .reader-mkt__cover {
  box-shadow:
    0 18px 34px rgba(0, 5, 18, 0.58),
    0 0 0 1px rgba(255, 255, 255, 0.07) inset;
}

.reader-body .reader-mkt__cover::after {
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.2) 0%, transparent 42%, transparent 100%);
}

.reader-body .reader-mkt__title {
  letter-spacing: -0.032em;
}

.reader-body .reader-mkt__chapter-kicker {
  background: rgba(86, 205, 228, 0.13);
  border-color: rgba(86, 205, 228, 0.42);
  color: #8ddcec;
}

.reader-body .reader-mkt__stat,
.reader-body .reader-mkt__actions,
.reader-body .reader-mkt__newsletter-card,
.reader-body .reader-mkt__nav-btn {
  border-color: rgba(131, 183, 214, 0.24);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0.01));
}

.reader-body .reader-mkt__actions {
  box-shadow: 0 10px 24px rgba(0, 6, 18, 0.32);
}

.reader-body .reader-mkt__actions-bar .action-bar__btn {
  border-color: rgba(131, 183, 214, 0.22);
}

.reader-body .reader-mkt__actions-bar .action-bar__btn:hover {
  background: rgba(86, 205, 228, 0.12);
  border-color: rgba(86, 205, 228, 0.44);
  color: #d6f4ff;
}

.reader-body .reader-mkt__nav-btn:hover:not(.is-disabled) {
  background: linear-gradient(180deg, rgba(86, 205, 228, 0.1), rgba(255, 255, 255, 0.012));
  border-color: rgba(86, 205, 228, 0.42);
}

.reader-body .reader-mkt__nav-btn--done {
  background: linear-gradient(135deg, rgba(86, 205, 228, 0.16), rgba(86, 205, 228, 0.07));
  box-shadow: 0 10px 24px rgba(30, 150, 178, 0.2);
}

.reader-body .reader-mkt__newsletter-card {
  background:
    radial-gradient(110% 140% at 90% 0%, rgba(86, 205, 228, 0.08), transparent 45%),
    linear-gradient(160deg, rgba(11, 18, 29, 0.96), rgba(9, 15, 24, 0.96));
}

/* ============================================================
   Luxury cinematic - Light mode mapping
   ============================================================ */

.reader-body.reader-theme-light .reader-mkt {
  --mkt-accent: #127f9f;
  --mkt-surface: #f4f7fb;
  --mkt-border: rgba(16, 46, 67, 0.16);
  --mkt-text: #0f1d2c;
  --mkt-muted: #4b6278;
}

.reader-body.reader-theme-light .reader-mkt__ambient-img {
  opacity: 0.16;
  filter: blur(56px) saturate(1.04) brightness(1.15);
}

.reader-body.reader-theme-light .reader-mkt__ambient-scrim {
  background:
    radial-gradient(120% 90% at 10% -10%, rgba(18, 127, 159, 0.16), transparent 56%),
    linear-gradient(180deg, rgba(245, 250, 255, 0.52) 0%, rgba(245, 250, 255, 0.94) 84%);
}

.reader-body.reader-theme-light .reader-mkt__deck {
  border-color: rgba(19, 63, 92, 0.22);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(250, 253, 255, 0.88)),
    linear-gradient(160deg, rgba(244, 248, 253, 0.98), rgba(238, 244, 251, 0.98));
  box-shadow:
    0 22px 46px rgba(14, 42, 65, 0.16),
    0 1px 0 rgba(255, 255, 255, 0.7) inset;
}

.reader-body.reader-theme-light .reader-mkt__deck::before {
  background:
    radial-gradient(130% 120% at 0% 0%, rgba(18, 127, 159, 0.12), transparent 52%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.6), transparent 34%);
}

.reader-body.reader-theme-light .reader-mkt__cover {
  box-shadow:
    0 16px 30px rgba(18, 54, 82, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.45) inset;
}

.reader-body.reader-theme-light .reader-mkt__cover::after {
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.32) 0%, transparent 42%, transparent 100%);
}

.reader-body.reader-theme-light .reader-mkt__chapter-kicker {
  background: rgba(18, 127, 159, 0.12);
  border-color: rgba(18, 127, 159, 0.36);
  color: #0f6f8d;
}

.reader-body.reader-theme-light .reader-mkt__finish-badge {
  color: #8a620c;
  border-color: rgba(161, 118, 17, 0.34);
  background: rgba(204, 152, 31, 0.12);
}

.reader-body.reader-theme-light .reader-mkt__stat,
.reader-body.reader-theme-light .reader-mkt__actions,
.reader-body.reader-theme-light .reader-mkt__newsletter-card,
.reader-body.reader-theme-light .reader-mkt__nav-btn {
  border-color: rgba(19, 63, 92, 0.18);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(243, 248, 253, 0.82));
}

.reader-body.reader-theme-light .reader-mkt__actions {
  border-style: dashed;
  box-shadow: none;
}

.reader-body.reader-theme-light .reader-mkt__actions-bar .action-bar__btn {
  border-color: rgba(19, 63, 92, 0.2);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(242, 247, 252, 0.92));
  color: #0f1d2c;
}

.reader-body.reader-theme-light .reader-mkt__actions-bar .action-bar__btn:hover {
  background: rgba(18, 127, 159, 0.12);
  border-color: rgba(18, 127, 159, 0.38);
  color: #0f5f78;
}

.reader-body.reader-theme-light .reader-mkt__nav-btn:hover:not(.is-disabled) {
  background: linear-gradient(180deg, rgba(18, 127, 159, 0.12), rgba(255, 255, 255, 0.74));
  border-color: rgba(18, 127, 159, 0.36);
}

.reader-body.reader-theme-light .reader-mkt__nav-btn--done {
  background: linear-gradient(135deg, rgba(18, 127, 159, 0.2), rgba(18, 127, 159, 0.1));
  box-shadow: 0 10px 24px rgba(18, 127, 159, 0.14);
}

.reader-body.reader-theme-light .reader-mkt__nav-icon {
  background: rgba(255, 255, 255, 0.76);
  border-color: rgba(19, 63, 92, 0.2);
  color: #127f9f;
}

.reader-body.reader-theme-light .reader-mkt__newsletter-card {
  background:
    radial-gradient(110% 140% at 90% 0%, rgba(18, 127, 159, 0.12), transparent 45%),
    linear-gradient(160deg, rgba(250, 253, 255, 0.96), rgba(240, 246, 252, 0.96));
}

/* Newsletter block removed from reader marketing zone (cache-safe hide). */
.reader-body .reader-mkt__newsletter {
  display: none !important;
}

/* ============================================================
   Scroll chrome + reader player polish
   ============================================================ */

.reader-body.reader-player--chrome-hidden .reader-player__mini-bar {
  background: color-mix(in srgb, var(--reader-nav-bg, rgba(12, 12, 15, 0.88)) 88%, var(--mkt-accent, #06b6d4) 12%);
  border-bottom-color: color-mix(in srgb, var(--mkt-accent, #06b6d4) 28%, var(--reader-glass-border));
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.48),
    0 0 32px color-mix(in srgb, var(--mkt-accent, #06b6d4) 12%, transparent);
}

.reader-body.reader-player--chrome-hidden .reader-player__mini-bar-accent {
  height: 2px;
  opacity: 1;
  background: linear-gradient(90deg, transparent, var(--mkt-accent, #06b6d4), var(--mkt-accent-2, #22d3ee), transparent);
  animation: reader-mini-accent-flow 4s linear infinite;
  background-size: 200% 100%;
}

@keyframes reader-mini-accent-flow {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.reader-body.reader-player--chrome-hidden .reader-player__mini-title-block {
  padding: 0 0.25rem;
}

.reader-body .reader-progress {
  box-shadow: 0 0 12px color-mix(in srgb, var(--reader-accent, #06b6d4) 55%, transparent);
}

.reader-body:not(.reader-player--chrome-hidden) .reader-player__nav-pill {
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.45),
    0 0 24px color-mix(in srgb, var(--reader-accent, #06b6d4) 10%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}