.textbook-reading-volume-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 16px;
  margin: 18px 0;
}

.textbook-reading-volume-card {
  display: flex;
  min-height: 164px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 10px;
  padding: 22px;
  border: 1px solid #dbe3ef;
  border-radius: 8px;
  background: #fff;
  color: #17243b;
  text-align: left;
  box-shadow: 0 10px 24px rgba(35, 51, 82, .07);
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}

.textbook-reading-volume-card:hover,
.textbook-reading-volume-card:focus-visible {
  transform: translateY(-2px);
  border-color: #8d86f3;
  box-shadow: 0 14px 28px rgba(48, 54, 105, .12);
  outline: none;
}

.textbook-reading-volume-eyebrow {
  color: #655bf1;
  font-size: 12px;
  font-weight: 700;
}

.textbook-reading-volume-title {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
}

.textbook-reading-volume-title > strong {
  color: #14213a;
  font-size: 28px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.textbook-reading-volume-edition {
  color: #657590;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

.textbook-reading-volume-meta,
.textbook-reading-volume-open {
  color: #71809a;
  font-size: 13px;
}

.textbook-reading-volume-open {
  margin-top: 4px;
  color: #5e56df;
  font-weight: 700;
}

.textbook-reading-level-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 18px 0 14px;
  padding: 15px 18px;
  border: 1px solid #dbe3ef;
  border-radius: 8px;
  background: #fff;
}

.textbook-reading-level-heading > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.textbook-reading-level-heading strong {
  color: #17243b;
  font-size: 20px;
}

.textbook-reading-level-heading span {
  color: #71809a;
  font-size: 13px;
}

.textbook-reading-level-back {
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid #d5dfed;
  border-radius: 7px;
  background: #f3f5f9;
  color: #33435e;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.textbook-reading-level-back:hover {
  border-color: #655bf1;
  color: #5149d4;
}

.textbook-reading-beishida-modules {
  display: grid;
  gap: 20px;
  margin: 16px 0 28px;
}

.textbook-reading-beishida-module {
  min-width: 0;
}

.textbook-reading-module-heading {
  margin: 0 0 12px;
}

.textbook-reading-module-heading strong {
  font-size: 18px;
}

.textbook-reading-beishida-module .textbook-reading-grid {
  margin: 0;
}

@media (max-width: 620px) {
  .textbook-reading-volume-grid {
    grid-template-columns: 1fr;
  }

  .textbook-reading-volume-card {
    min-height: 138px;
  }

  .textbook-reading-level-heading {
    align-items: flex-start;
    flex-direction: column;
  }
}

.textbook-reading-volume-card {
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  grid-template-rows: min-content min-content min-content 1fr;
  align-items: center;
  justify-content: initial;
  gap: 8px 18px;
  min-height: 218px;
  padding: 12px;
  text-align: left;
  outline: 0 solid transparent;
}

.textbook-reading-volume-card::before,
.textbook-reading-volume-card::after {
  box-sizing: border-box;
  grid-column: 1;
  grid-row: 1 / span 4;
  width: 100%;
  min-height: 194px;
  border-radius: 7px;
}

.textbook-reading-volume-card::before {
  content: "";
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.textbook-reading-volume-card::before {
  background-image: url("assets/course-cover-textbook-volume.png");
}

.textbook-reading-volume-card::after {
  content: attr(data-cover-title);
  z-index: 1;
  display: flex;
  align-items: flex-end;
  padding: 12px;
  background: linear-gradient(180deg, transparent 52%, rgba(8, 23, 46, .72));
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.3;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .48);
}

.textbook-reading-volume-card .textbook-reading-volume-eyebrow,
.textbook-reading-volume-card .textbook-reading-volume-title,
.textbook-reading-volume-card .textbook-reading-volume-meta,
.textbook-reading-volume-card .textbook-reading-volume-open {
  grid-column: 2;
  min-width: 0;
}

.textbook-reading-volume-card .textbook-reading-volume-eyebrow {
  grid-row: 1;
  align-self: end;
  color: #5d58c9;
  font-size: 12px;
  font-weight: 700;
}

.textbook-reading-volume-card .textbook-reading-volume-title {
  grid-row: 2;
}

.textbook-reading-volume-card .textbook-reading-volume-title > strong {
  color: #17243b;
  font-size: 23px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.textbook-reading-volume-card .textbook-reading-volume-edition {
  font-size: 13px;
}

.textbook-reading-volume-card .textbook-reading-volume-meta {
  grid-row: 3;
  color: #657590;
  font-size: 13px;
}

.textbook-reading-volume-card .textbook-reading-volume-open {
  grid-row: 4;
  align-self: end;
  justify-self: end;
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 0 14px;
  border: 1px solid #c9c6ff;
  border-radius: 7px;
  background: #f2f1ff;
  color: #5149d4;
  font-size: 16px;
  font-weight: 700;
}

.textbook-reading-volume-card .textbook-reading-volume-open span {
  display: inline-block;
  margin-left: 4px;
  transition: transform .16s ease-out;
}

.textbook-reading-volume-card:hover .textbook-reading-volume-open span {
  transform: translateX(3px);
}

.textbook-reading-volume-card:hover,
.textbook-reading-volume-card:focus-visible {
  outline: 3px solid rgba(101, 91, 241, .22);
  outline-offset: 2px;
}

@media (max-width: 620px) {
  .textbook-reading-volume-card {
    grid-template-columns: 108px minmax(0, 1fr);
    min-height: 170px;
    gap: 6px 14px;
    padding: 10px;
  }

  .textbook-reading-volume-card::before,
  .textbook-reading-volume-card::after {
    min-height: 148px;
  }

  .textbook-reading-volume-card .textbook-reading-volume-title > strong {
    font-size: 19px;
  }

  .textbook-reading-volume-card .textbook-reading-volume-meta,
  .textbook-reading-volume-card .textbook-reading-volume-open {
    font-size: 12px;
  }

  .textbook-reading-volume-card .textbook-reading-volume-open {
    min-height: 38px;
    padding: 0 11px;
    font-size: 15px;
  }
}

@media (max-width: 380px) {
  .textbook-reading-volume-card {
    grid-template-columns: 90px minmax(0, 1fr);
    column-gap: 11px;
  }

  .textbook-reading-volume-card::before,
  .textbook-reading-volume-card::after {
    min-height: 132px;
  }

  .textbook-reading-volume-card .textbook-reading-volume-title > strong {
    font-size: 18px;
  }
}

.textbook-reading-volume-card .textbook-reading-volume-actions {
  grid-column: 2;
  grid-row: 4;
  display: flex;
  width: 100%;
  min-width: 0;
  align-self: end;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}