.mk-books-page,
.mk-resources {
  --mk-res-bg: #f7efe3;
  --mk-res-panel: #fffaf2;
  --mk-res-card: #ffffff;
  --mk-res-navy: #0b1d3a;
  --mk-res-text: #23324f;
  --mk-res-muted: #6d5d4b;
  --mk-res-line: #ead8bd;
  --mk-res-gold: #b88735;
  --mk-res-brown: #7a4d22;
  --mk-res-shadow: 0 18px 44px rgba(48, 32, 15, 0.1);
  color: var(--mk-res-text);
}

.mk-books-page {
  background:
    linear-gradient(135deg, rgba(255, 250, 242, 0.96), rgba(247, 239, 227, 0.98)),
    var(--mk-res-bg);
  padding: 28px max(24px, calc((100vw - 1180px) / 2)) 70px;
}

.mk-books-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}

.mk-books-hero__kicker {
  margin: 0 0 12px;
  color: var(--mk-res-brown);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mk-books-hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--mk-res-navy);
  font-size: clamp(38px, 6vw, 76px);
  line-height: 0.98;
}

.mk-books-hero__lead {
  max-width: 650px;
  margin: 18px 0 0;
  color: var(--mk-res-muted);
  font-size: 18px;
}

.mk-books-hero__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 108px;
  height: 108px;
  border: 1px solid var(--mk-res-line);
  border-radius: 20px;
  background: var(--mk-res-panel);
  color: var(--mk-res-gold);
  font-size: 52px;
  font-weight: 800;
  box-shadow: var(--mk-res-shadow);
}

.mk-resources {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 26px;
}

.mk-resources__sidebar,
.mk-resources__toolbar,
.mk-resource-card,
.mk-resources__empty {
  border: 1px solid var(--mk-res-line);
  border-radius: 8px;
  background: var(--mk-res-card);
  box-shadow: var(--mk-res-shadow);
}

.mk-resources__sidebar {
  align-self: start;
  padding: 22px;
  position: sticky;
  top: 96px;
}

.mk-resources__sidebar h2 {
  margin: 0 0 16px;
  color: var(--mk-res-navy);
  font-size: 18px;
}

.mk-resources__filter-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--mk-res-text);
  font-weight: 700;
  text-decoration: none;
}

.mk-resources__filter-link:hover,
.mk-resources__filter-link:focus,
.mk-resources__filter-link.is-active {
  border-color: rgba(184, 135, 53, 0.45);
  background: #fff6e7;
  color: var(--mk-res-brown);
}

.mk-resources__main {
  min-width: 0;
}

.mk-resources__toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 160px 160px auto;
  gap: 14px;
  align-items: end;
  margin-bottom: 22px;
  padding: 18px;
}

.mk-resources__toolbar label {
  display: grid;
  gap: 6px;
  margin: 0;
  color: var(--mk-res-navy);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mk-resources__toolbar input,
.mk-resources__toolbar select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--mk-res-line);
  border-radius: 8px;
  background: #fffaf2;
  color: var(--mk-res-navy);
  font-size: 15px;
}

.mk-resources__toolbar button,
.mk-resource-card__download {
  min-height: 44px;
  border: 1px solid var(--mk-res-navy);
  border-radius: 8px;
  background: var(--mk-res-navy);
  color: #fff;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.mk-resources__toolbar button {
  padding: 0 18px;
}

.mk-resources__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.mk-resource-card {
  display: flex;
  flex-direction: column;
  min-height: 320px;
  padding: 22px;
}

.mk-resource-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.mk-resource-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 8px;
  background: #f2dfbd;
  color: var(--mk-res-brown);
  font-size: 13px;
  font-weight: 900;
}

.mk-resource-card__badge {
  border: 1px solid rgba(184, 135, 53, 0.44);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--mk-res-brown);
  font-size: 12px;
  font-weight: 900;
}

.mk-resource-card h2 {
  margin: 0;
  color: var(--mk-res-navy);
  font-size: 22px;
  line-height: 1.2;
}

.mk-resource-card p {
  margin: 12px 0 18px;
  color: var(--mk-res-muted);
}

.mk-resource-card dl {
  display: grid;
  gap: 8px;
  margin: auto 0 18px;
}

.mk-resource-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--mk-res-line);
  padding-top: 8px;
}

.mk-resource-card dt,
.mk-resource-card dd {
  margin: 0;
}

.mk-resource-card dt {
  color: var(--mk-res-muted);
  font-size: 13px;
}

.mk-resource-card dd {
  color: var(--mk-res-navy);
  font-weight: 800;
}

.mk-resource-card__download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: auto;
}

.mk-resource-card__download:hover,
.mk-resource-card__download:focus,
.mk-resources__toolbar button:hover,
.mk-resources__toolbar button:focus {
  background: var(--mk-res-brown);
  border-color: var(--mk-res-brown);
  color: #fff;
}

.mk-resource-card__unavailable {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: auto;
  border: 1px dashed var(--mk-res-line);
  border-radius: 8px;
  color: var(--mk-res-muted);
  font-weight: 800;
}

.mk-resources__empty {
  padding: 36px;
  text-align: center;
}

.mk-resources__empty h2 {
  margin: 0 0 8px;
  color: var(--mk-res-navy);
}

.mk-resources__empty p {
  margin: 0 auto;
  max-width: 540px;
  color: var(--mk-res-muted);
}

@media (max-width: 1100px) {
  .mk-resources,
  .mk-books-hero {
    grid-template-columns: 1fr;
  }

  .mk-resources__sidebar {
    position: static;
  }

  .mk-resources__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .mk-books-page {
    padding: 20px 18px 48px;
  }

  .mk-books-hero__mark {
    display: none;
  }

  .mk-resources__toolbar,
  .mk-resources__grid {
    grid-template-columns: 1fr;
  }
}