.mida-book-teaser {
  --mida-cyan: #28b3d5;
  --mida-blue: #2868ca;
  --mida-ink: #143e66;
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 950;
  width: min(440px, calc(100vw - 40px));
  border: 1px solid rgba(40, 104, 202, 0.2);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 14px 42px rgba(17, 61, 103, 0.22);
  color: var(--mida-ink);
  opacity: 0;
  overflow: hidden;
  transform: translateY(16px) scale(0.985);
  transition: opacity 220ms ease, transform 220ms ease, box-shadow 180ms ease;
}

.mida-book-teaser[hidden] {
  display: none !important;
}

.mida-book-teaser.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.mida-book-teaser:hover {
  box-shadow: 0 17px 50px rgba(17, 61, 103, 0.28);
}

.mida-book-teaser::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--mida-cyan), var(--mida-blue));
  content: "";
}

.mida-book-teaser__link {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  align-items: center;
  gap: 13px;
  min-height: 96px;
  padding: 9px 42px 9px 13px;
  color: inherit !important;
  text-decoration: none !important;
}

.mida-book-teaser__cover {
  display: block;
  width: 54px;
  height: 79px;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(8, 24, 45, 0.28);
}

.mida-book-teaser__copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.22;
}

.mida-book-teaser__eyebrow {
  margin-bottom: 3px;
  color: var(--mida-blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.mida-book-teaser__title {
  color: var(--mida-ink);
  font-size: 17px;
  font-weight: 700;
}

.mida-book-teaser__meta {
  margin-top: 3px;
  color: #5c7185;
  font-size: 13px;
}

.mida-book-teaser__cta {
  white-space: nowrap;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--mida-cyan), var(--mida-blue));
  padding: 9px 13px;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  transition: transform 160ms ease, filter 160ms ease;
}

.mida-book-teaser__link:hover .mida-book-teaser__cta,
.mida-book-teaser__link:focus-visible .mida-book-teaser__cta {
  filter: brightness(1.06);
  transform: translateX(2px);
}

.mida-book-teaser__close {
  position: absolute;
  top: 7px;
  right: 7px;
  z-index: 2;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #62788d;
  cursor: pointer;
  font: 400 24px/1 Arial, sans-serif;
}

.mida-book-teaser__close:hover,
.mida-book-teaser__close:focus-visible {
  background: #edf5fb;
  color: var(--mida-ink);
  outline: none;
}

@media (max-width: 620px) {
  .mida-book-teaser {
    left: 10px;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    width: auto;
    border-radius: 14px;
  }

  .mida-book-teaser__link {
    grid-template-columns: 46px minmax(0, 1fr) auto;
    gap: 10px;
    min-height: 82px;
    padding: 7px 37px 7px 11px;
  }

  .mida-book-teaser__cover {
    width: 46px;
    height: 68px;
  }

  .mida-book-teaser__title {
    font-size: 15px;
  }

  .mida-book-teaser__meta {
    display: none;
  }

  .mida-book-teaser__cta {
    width: 34px;
    height: 34px;
    overflow: hidden;
    padding: 7px 10px;
    font-size: 0;
  }

  .mida-book-teaser__cta span {
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mida-book-teaser,
  .mida-book-teaser__cta {
    transition: none;
  }
}