.ad-library {
  --ad-bg: #ffffff;
  --ad-page: #f7f8fa;
  --ad-text: #222735;
  --ad-muted: #4f5866;
  --ad-accent: #166680;
  --ad-accent-2: #2f9a95;
  --ad-border: rgba(34, 39, 53, 0.13);
  --ad-soft: rgba(22, 102, 128, 0.10);
  --ad-shadow: 0 14px 34px rgba(20, 30, 40, 0.08);
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  color: var(--ad-text);
}

.ad-library *,
.ad-library *::before,
.ad-library *::after { box-sizing: border-box; }

.ad-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.ad-library__header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 28px;
  align-items: start;
  margin-bottom: 24px;
}

.ad-library__title {
  margin: 0 0 8px;
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.15;
  font-weight: 750;
  color: var(--ad-text);
}

.ad-library__description {
  max-width: 560px;
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  color: var(--ad-text);
}

.ad-library__intro::after {
  content: "";
  display: block;
  width: 90px;
  height: 4px;
  margin-top: 18px;
  border-radius: 999px;
  background: var(--ad-accent-2);
}

.ad-library__search-wrap {
  position: relative;
  display: block;
  margin-top: 46px;
}

.ad-library__search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  width: 20px;
  height: 20px;
  transform: translateY(-50%);
  color: var(--ad-muted);
  pointer-events: none;
}

.ad-library__search-icon svg,
.ad-download__button svg { display: block; width: 100%; height: 100%; fill: currentColor; }

.ad-library__search {
  width: 100%;
  min-height: 46px;
  padding: 10px 16px 10px 46px;
  border: 1px solid var(--ad-border);
  border-radius: 8px;
  background: #fff;
  color: var(--ad-text);
  box-shadow: 0 5px 14px rgba(20, 30, 40, 0.05);
}

.ad-library__search:focus-visible,
.ad-library__filter:focus-visible,
.ad-download__button:focus-visible {
  outline: 3px solid rgba(22, 102, 128, 0.35);
  outline-offset: 3px;
}

.ad-library__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0 0 20px;
}

.ad-library__filter {
  min-height: 46px;
  padding: 10px 22px;
  border: 1px solid var(--ad-border);
  border-radius: 8px;
  background: #fff;
  color: var(--ad-text);
  font-size: 15px;
  font-weight: 650;
  cursor: pointer;
  box-shadow: 0 5px 14px rgba(20, 30, 40, 0.04);
}

.ad-library__filter.is-active {
  background: var(--ad-accent-2);
  border-color: var(--ad-accent-2);
  color: #fff;
}

.ad-library__list {
  overflow: hidden;
  border: 1px solid var(--ad-border);
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--ad-shadow);
}

.ad-download {
  display: grid;
  grid-template-columns: 82px minmax(260px, 1fr) 220px 80px 300px;
  gap: 18px;
  align-items: center;
  min-height: 112px;
  padding: 18px 26px;
  border-bottom: 1px solid rgba(34, 39, 53, 0.10);
}

.ad-download[hidden] { display: none !important; }
.ad-download:last-child { border-bottom: 0; }

.ad-download__file-icon {
  width: 58px;
  height: 72px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(34,39,53,.12);
  border-radius: 7px;
  background: linear-gradient(135deg, #fff 0%, #fff 72%, #edf0f2 72%);
  color: #df372f;
}

.ad-download__file-top { font-size: 7px; font-weight: 700; }
.ad-download__file-mark { font-size: 24px; line-height: 1; transform: rotate(-10deg); }
.ad-download__file-bottom {
  padding: 2px 6px;
  border-radius: 4px;
  background: #e63b32;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
}

.ad-download__title {
  margin: 0 0 6px;
  font-size: 19px;
  line-height: 1.25;
  font-weight: 750;
  color: var(--ad-text);
}

.ad-download__description {
  margin: 0;
  color: var(--ad-text);
  font-size: 15px;
  line-height: 1.45;
}

.ad-download__meta {
  color: var(--ad-muted);
  font-size: 15px;
}

.ad-download__category span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 7px 14px;
  border-radius: 8px;
  background: var(--ad-soft);
  color: #105b4d;
  font-size: 14px;
  font-weight: 700;
}

.ad-download__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--ad-accent-2);
  color: #fff !important;
  font-size: 15px;
  font-weight: 750;
  text-decoration: none !important;
}

.ad-download__action {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  white-space: nowrap;
}

.ad-download__button:hover { background: var(--ad-accent); }
.ad-download__button--view {
  background: #ffffff;
  color: var(--ad-accent) !important;
  border: 1px solid var(--ad-accent-2);
}
.ad-download__button--view:hover {
  background: var(--ad-soft);
  color: var(--ad-accent) !important;
}
.ad-download__button svg { width: 18px; height: 18px; }

.ad-library__empty {
  margin: 22px 0 0;
  color: var(--ad-muted);
  font-size: 16px;
}
.ad-library__empty[hidden] { display: none !important; }

@media (max-width: 1150px) {
  .ad-download {
    grid-template-columns: 70px minmax(0,1fr) 130px 300px;
  }
  .ad-download__size { display: none; }
}

@media (max-width: 850px) {
  .ad-library__header { grid-template-columns: 1fr; }
  .ad-library__search-wrap { margin-top: 0; }
  .ad-download {
    grid-template-columns: 62px minmax(0,1fr);
    align-items: start;
  }
  .ad-download__category,
  .ad-download__size,
  .ad-download__date,
  .ad-download__action {
    grid-column: 2;
  }
  .ad-download__action { justify-content: flex-start; flex-wrap: wrap; white-space: normal; }
  .ad-download__button { width: max-content; }
}

@media (max-width: 560px) {
  .ad-library__filter { width: 100%; }
  .ad-download {
    grid-template-columns: 1fr;
    padding: 18px;
  }
  .ad-download__category,
  .ad-download__size,
  .ad-download__date,
  .ad-download__action { grid-column: 1; }
  .ad-download__action { flex-wrap: wrap; white-space: normal; }
}

/* ================================
   Layout option: Square tiles
   Use shortcode: [accessible_downloads layout="square"]
================================ */
.ad-library--layout-square .ad-library__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.ad-library--layout-square .ad-download {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  min-height: 0;
  aspect-ratio: 1 / 1;
  padding: 26px 20px 22px;
  border: 1px solid var(--ad-border);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--ad-shadow);
  text-align: center;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.ad-library--layout-square .ad-download:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 154, 149, .34);
  box-shadow: 0 18px 42px rgba(20, 30, 40, .11);
}

.ad-library--layout-square .ad-download[hidden] {
  display: none !important;
}

.ad-library--layout-square .ad-download:last-child {
  border-bottom: 1px solid var(--ad-border);
}

.ad-library--layout-square .ad-download__file-icon {
  width: 70px;
  height: 86px;
  flex: 0 0 auto;
  margin: 0 auto 2px;
}

.ad-library--layout-square .ad-download__main {
  width: 100%;
  min-height: 0;
}

.ad-library--layout-square .ad-download__title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ad-library--layout-square .ad-download__description {
  max-width: 100%;
  font-size: 14px;
  line-height: 1.4;
  color: var(--ad-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ad-library--layout-square .ad-download__meta {
  width: 100%;
  font-size: 13px;
}

.ad-library--layout-square .ad-download__category span {
  min-height: 30px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
}

.ad-library--layout-square .ad-download__size {
  color: var(--ad-muted);
  font-size: 13px;
  line-height: 1.2;
}

.ad-library--layout-square .ad-download__action {
  width: 100%;
  margin-top: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  white-space: normal;
  flex-wrap: nowrap;
}

.ad-library--layout-square .ad-download__button {
  min-height: 38px;
  padding: 8px 11px;
  border-radius: 8px;
  font-size: 13px;
  gap: 7px;
  flex: 1 1 0;
  max-width: 128px;
}

.ad-library--layout-square .ad-download__button svg {
  width: 16px;
  height: 16px;
}

@media (max-width: 1150px) {
  .ad-library--layout-square .ad-library__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ad-library--layout-square .ad-download__size {
    display: block;
  }
}

@media (max-width: 700px) {
  .ad-library--layout-square .ad-library__list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ad-library--layout-square .ad-download {
    aspect-ratio: auto;
    min-height: 280px;
    padding: 24px 18px 20px;
  }

  .ad-library--layout-square .ad-download__action {
    flex-wrap: wrap;
  }

  .ad-library--layout-square .ad-download__button {
    flex: 0 1 auto;
    width: max-content;
    max-width: 100%;
  }
}

/* Square layout refinement: compact fixed-size tiles, less empty space */
.ad-library--layout-square .ad-library__list {
  grid-template-columns: repeat(auto-fit, minmax(260px, 360px));
  justify-content: center;
  align-items: stretch;
}

.ad-library--layout-square .ad-download {
  width: 100%;
  max-width: 360px;
  min-height: 360px;
  max-height: 360px;
  aspect-ratio: auto;
  padding: 22px 18px 18px;
  gap: 10px;
}

.ad-library--layout-square .ad-download__file-icon {
  width: 62px;
  height: 76px;
  margin-bottom: 4px;
}

.ad-library--layout-square .ad-download__title {
  font-size: 17px;
  line-height: 1.22;
  margin-bottom: 6px;
}

.ad-library--layout-square .ad-download__description {
  -webkit-line-clamp: 2;
}

.ad-library--layout-square .ad-download__size {
  margin-top: 2px;
  margin-bottom: 4px;
}

.ad-library--layout-square .ad-download__action {
  margin-top: auto;
  padding-top: 6px;
}

.ad-library--layout-square .ad-download__button {
  min-height: 36px;
  padding: 8px 10px;
  font-size: 13px;
}

@media (max-width: 700px) {
  .ad-library--layout-square .ad-library__list {
    grid-template-columns: minmax(0, 360px);
    justify-content: center;
  }

  .ad-library--layout-square .ad-download {
    min-height: 330px;
    max-height: none;
  }
}

/* Square layout refinement 2: remove large inner vertical gap */
.ad-library--layout-square .ad-library__list {
  grid-template-columns: repeat(auto-fit, minmax(240px, 320px));
}

.ad-library--layout-square .ad-download {
  max-width: 320px;
  min-height: 320px;
  max-height: 320px;
  padding: 20px 16px 18px;
  justify-content: center;
}

.ad-library--layout-square .ad-download__file-icon {
  width: 54px;
  height: 66px;
  margin-bottom: 6px;
}

.ad-library--layout-square .ad-download__file-mark {
  font-size: 20px;
}

.ad-library--layout-square .ad-download__title {
  font-size: 16px;
  line-height: 1.22;
  margin-bottom: 8px;
}

.ad-library--layout-square .ad-download__size {
  margin: 0;
}

.ad-library--layout-square .ad-download__action {
  margin-top: 16px;
  padding-top: 0;
}

.ad-library--layout-square .ad-download__button {
  min-height: 34px;
  padding: 7px 10px;
  font-size: 12px;
}

@media (max-width: 700px) {
  .ad-library--layout-square .ad-library__list {
    grid-template-columns: minmax(0, 320px);
  }

  .ad-library--layout-square .ad-download {
    min-height: 300px;
    max-height: none;
  }
}

/* Square layout refinement 3: compact tile without forced empty height */
.ad-library--layout-square .ad-library__list {
  grid-template-columns: repeat(auto-fit, minmax(240px, 320px)) !important;
  justify-content: center !important;
  align-items: start !important;
}

.ad-library--layout-square .ad-download {
  aspect-ratio: auto !important;
  height: auto !important;
  min-height: 0 !important;
  max-height: none !important;
  max-width: 320px !important;
  padding: 22px 16px 20px !important;
  justify-content: flex-start !important;
  gap: 9px !important;
}

.ad-library--layout-square .ad-download__file-icon {
  width: 56px !important;
  height: 68px !important;
  margin: 0 auto 6px !important;
}

.ad-library--layout-square .ad-download__main {
  margin: 0 !important;
}

.ad-library--layout-square .ad-download__title {
  margin: 0 0 8px !important;
}

.ad-library--layout-square .ad-download__description {
  margin: 0 !important;
}

.ad-library--layout-square .ad-download__category {
  margin-top: 4px !important;
}

.ad-library--layout-square .ad-download__size {
  margin: 2px 0 0 !important;
}

.ad-library--layout-square .ad-download__action {
  margin-top: 14px !important;
  padding-top: 0 !important;
  align-self: stretch !important;
}

@media (max-width: 700px) {
  .ad-library--layout-square .ad-library__list {
    grid-template-columns: minmax(0, 320px) !important;
  }
}