.rd-material-library {
  --rd-ml-orange: var(--rd-orange, #f25537);
  --rd-ml-orange-hover: var(--rd-orange-hover, #d94527);
  --rd-ml-orange-light: var(--rd-orange-light, #fff5f3);
  --rd-ml-navy: var(--rd-navy, #0f172a);
  --rd-ml-slate: var(--rd-slate, #64748b);
  --rd-ml-bg: var(--bg-light, #f8fafc);
  --rd-ml-white: var(--bg-white, #ffffff);
  --rd-ml-border: var(--border-color, #e2e8f0);
  --rd-ml-img-bg: var(--img-bg, #f0f2f5);
  --rd-ml-shadow-soft: 0 4px 15px rgba(0, 0, 0, 0.02);
  --rd-ml-shadow-hover: 0 15px 35px rgba(15, 23, 42, 0.08);
  --rd-ml-radius: 10px;
  --rd-ml-sticky-top: var(--rd-header-height, 96px);
  color: var(--rd-ml-navy);
}

.rd-material-library * {
  box-sizing: border-box;
}

.rd-material-library__container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

.rd-material-library__shell {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 28px;
  align-items: start;
}

.rd-material-library__panel {
  background: var(--rd-ml-white);
  border: 1px solid var(--rd-ml-border);
  border-radius: var(--rd-ml-radius);
  box-shadow: var(--rd-ml-shadow-soft);
  padding: 18px;
}

.rd-material-library.is-sticky .rd-material-library__panel {
  position: sticky;
  top: calc(var(--rd-ml-sticky-top) + 16px);
  z-index: 10;
}

.rd-material-library__panel-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.rd-material-library__panel-heading {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.2px;
}

.rd-material-library__panel-count {
  color: var(--rd-ml-slate);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.9px;
  text-transform: uppercase;
}

.rd-material-library__search {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.rd-material-library__input {
  width: 100%;
  border: 1px solid var(--rd-ml-border);
  border-radius: 8px;
  padding: 12px 12px;
  font-size: 14px;
  background: var(--rd-ml-white);
  outline: none;
  color: inherit;
}

.rd-material-library__input:focus {
  border-color: rgba(242, 85, 55, 0.55);
  box-shadow: 0 0 0 4px rgba(242, 85, 55, 0.12);
}

.rd-material-library__actions {
  display: flex;
  gap: 10px;
}

.rd-material-library__btn {
  border-radius: 6px;
  border: 1px solid var(--rd-ml-border);
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  background: var(--rd-ml-white);
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.rd-material-library__btn:hover {
  border-color: var(--rd-ml-orange);
  color: var(--rd-ml-white);
  background: var(--rd-ml-orange);
}

.rd-material-library__btn.is-secondary:hover {
  border-color: var(--rd-ml-navy);
  background: var(--rd-ml-navy);
}

.rd-material-library__group {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--rd-ml-border);
}

.rd-material-library__group-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
}

.rd-material-library__group-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--rd-ml-slate);
}

.rd-material-library__link-btn {
  border: 0;
  background: transparent;
  color: var(--rd-ml-slate);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  padding: 0;
}

.rd-material-library__link-btn:hover {
  color: var(--rd-ml-navy);
}

.rd-material-library__checklist {
  display: grid;
  gap: 10px;
}

.rd-material-library__check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: inherit;
}

.rd-material-library__check input {
  width: 16px;
  height: 16px;
  accent-color: var(--rd-ml-orange);
}

.rd-material-library__main {
  min-width: 0;
}

.rd-material-library__bar {
  background: var(--rd-ml-white);
  border: 1px solid var(--rd-ml-border);
  border-radius: var(--rd-ml-radius);
  box-shadow: var(--rd-ml-shadow-soft);
  padding: 14px 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  position: sticky;
  top: calc(var(--rd-ml-sticky-top) + 16px);
  z-index: 9;
}

.rd-material-library__tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.rd-material-library__tab {
  border: 1px solid var(--rd-ml-border);
  background: var(--rd-ml-white);
  padding: 10px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.2px;
  white-space: nowrap;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.rd-material-library__tab:hover {
  border-color: var(--rd-ml-orange);
  color: var(--rd-ml-orange);
}

.rd-material-library__tab.is-active {
  background: var(--rd-ml-orange-light);
  border-color: rgba(242, 85, 55, 0.35);
  color: var(--rd-ml-orange-hover);
}

.rd-material-library__tab-count {
  font-size: 12px;
  font-weight: 800;
  opacity: 0.6;
}

.rd-material-library__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--rd-ml-slate);
  font-size: 13px;
  font-weight: 700;
}

.rd-material-library__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--rd-ml-border);
  background: var(--rd-ml-bg);
  padding: 8px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.rd-material-library__chip strong {
  color: var(--rd-ml-navy);
  font-weight: 800;
}

.rd-material-library__grid {
  display: grid;
  grid-template-columns: repeat(var(--rd-ml-cols-desktop, 4), minmax(0, 1fr));
  gap: 18px;
}

.rd-material-library__card {
  background: var(--rd-ml-white);
  border: 1px solid var(--rd-ml-border);
  border-radius: var(--rd-ml-radius);
  box-shadow: var(--rd-ml-shadow-soft);
  overflow: hidden;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.rd-material-library__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--rd-ml-shadow-hover);
  border-color: var(--rd-ml-orange);
}

.rd-material-library__card:focus-visible {
  outline: 2px solid rgba(15, 23, 42, 0.35);
  outline-offset: 2px;
}

.rd-material-library__card.is-disabled {
  cursor: default;
}

.rd-material-library__card.is-disabled:hover {
  transform: none;
  box-shadow: var(--rd-ml-shadow-soft);
  border-color: var(--rd-ml-border);
}

.rd-material-library__card.is-hidden {
  display: none !important;
}

.rd-material-library__image {
  aspect-ratio: 1 / 1;
  background: var(--rd-ml-img-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.rd-material-library__img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.rd-material-library__img-placeholder {
  text-align: center;
  color: #94a3b8;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
}

.rd-material-library__card-body {
  padding: 14px 14px 16px;
  border-top: 1px solid var(--rd-ml-border);
  display: grid;
  gap: 10px;
}

.rd-material-library__card-title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.2px;
}

.rd-material-library__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rd-material-library__tag {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 6px;
  border-radius: 6px;
  border: 1px solid var(--rd-ml-border);
  background: var(--rd-ml-white);
  color: var(--rd-ml-slate);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.rd-material-library__tag.is-primary {
  border-color: rgba(242, 85, 55, 0.35);
  background: var(--rd-ml-orange-light);
  color: var(--rd-ml-orange-hover);
}

.rd-material-library__empty {
  background: var(--rd-ml-white);
  border: 1px dashed var(--rd-ml-border);
  border-radius: var(--rd-ml-radius);
  padding: 28px;
  text-align: center;
  color: var(--rd-ml-slate);
  grid-column: 1 / -1;
}

.rd-material-library__empty-title {
  color: var(--rd-ml-navy);
  font-weight: 900;
  margin-bottom: 8px;
}

.rd-material-library__empty-desc {
  font-weight: 600;
}

.rd-material-library__pagination {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.rd-material-library__page-list {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.rd-material-library__page-btn,
.rd-material-library__page-num {
  border: 1px solid var(--rd-ml-border);
  background: var(--rd-ml-white);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
}

.rd-material-library__page-btn:hover,
.rd-material-library__page-num:hover {
  border-color: var(--rd-ml-orange);
  color: var(--rd-ml-orange);
}

.rd-material-library__page-btn:disabled,
.rd-material-library__page-num:disabled {
  opacity: 0.45;
  cursor: default;
}

.rd-material-library__page-btn:disabled:hover,
.rd-material-library__page-num:disabled:hover {
  border-color: var(--rd-ml-border);
  color: inherit;
}

.rd-material-library__page-num.is-active {
  background: var(--rd-ml-orange-light);
  border-color: rgba(242, 85, 55, 0.35);
  color: var(--rd-ml-orange-hover);
}

.rd-material-library__page-ellipsis {
  color: var(--rd-ml-slate);
  font-size: 13px;
  font-weight: 800;
  padding: 8px 6px;
  user-select: none;
}

.rd-material-library__page-info {
  color: var(--rd-ml-slate);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

@media (max-width: 1100px) {
  .rd-material-library__shell {
    grid-template-columns: 1fr;
  }

  .rd-material-library.is-sticky .rd-material-library__panel {
    position: relative;
    top: auto;
  }

  .rd-material-library__bar {
    position: relative;
    top: auto;
  }

  .rd-material-library__grid {
    grid-template-columns: repeat(var(--rd-ml-cols-tablet, 3), minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .rd-material-library__grid {
    grid-template-columns: repeat(var(--rd-ml-cols-tablet-small, 2), minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .rd-material-library__grid {
    grid-template-columns: repeat(var(--rd-ml-cols-mobile, 1), minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .rd-material-library__btn,
  .rd-material-library__tab,
  .rd-material-library__card {
    transition: none;
  }

  .rd-material-library__card:hover {
    transform: none;
  }
}