/* =========================================================
   ideasDi Topic Grid 2.0
   ========================================================= */

.ideasdi-topic-grid {
  --idtg-max-width: 1400px;
  --idtg-cols-desktop: 4;
  --idtg-cols-tablet: 3;
  --idtg-cols-mobile: 2;
  --idtg-cols-small: 1;
  --idtg-gap-x: 24px;
  --idtg-gap-y: 34px;
  --idtg-ratio-w: 16;
  --idtg-ratio-h: 10;
  --idtg-chip-font-size: 10.5px;
  --idtg-chip-padding-x: 11px;
  --idtg-chip-padding-y: 5px;
  --idtg-tag-base: #d96a97;
  --idtg-tag-active: #e90152;
  --idtg-tag-text: #762c49;
  --idtg-tag-active-text: #fff;
  --idtg-card-tag-text: #fff;
  --idtg-tag-base-rgb: 217, 106, 151;
  --idtg-tag-active-rgb: 233, 1, 82;
  --idtg-glass-opacity: 0.24;
  --idtg-glass-active-opacity: 0.48;
  --idtg-glass-card-opacity: 0.62;
  --idtg-glass-blur: 18px;
  --idtg-glass-saturation: 145%;
  --idtg-glass-border-opacity: 0.46;
  --idtg-glass-highlight-opacity: 0.58;
  --idtg-glass-shadow-opacity: 0.2;
  --idtg-glass-refraction-opacity: 0.22;
  --idtg-glass-ambient-opacity: 0.08;
  --idtg-glass-fallback-opacity: 0.84;
  --idtg-chip-radius: 999px;
  --idtg-card-tag-radius: 7px;
  --ideasdi-topic-bg: #f7eae4;
  --ideasdi-topic-hover: #eed2c5;
  --ideasdi-topic-text: #4a2f27;

  width: 100%;
  max-width: var(--idtg-max-width);
  margin: 20px auto 64px;
  padding: 0;
  box-sizing: border-box;
}

.ideasdi-topic-grid *,
.ideasdi-topic-grid *::before,
.ideasdi-topic-grid *::after {
  box-sizing: border-box;
}

.ideasdi-topic-grid__filters-wrap {
  position: relative;
  isolation: isolate;
  width: 100%;
  max-width: var(--idtg-max-width);
  margin: 0 auto 34px;
}

.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__filters-wrap::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: -18px 4% -16px;
  border-radius: 38px;
  background:
    radial-gradient(circle at 18% 45%, rgba(var(--idtg-tag-base-rgb), 0.52), transparent 34%),
    radial-gradient(circle at 82% 52%, rgba(var(--idtg-tag-active-rgb), 0.32), transparent 32%),
    linear-gradient(100deg, rgba(255, 255, 255, 0.7), rgba(var(--idtg-tag-base-rgb), 0.12));
  filter: blur(24px) saturate(1.2);
  opacity: var(--idtg-glass-ambient-opacity);
  pointer-events: none;
}

.ideasdi-topic-grid__filters-title {
  width: 100%;
  margin: 0 0 14px;
  color: var(--ideasdi-topic-text);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.ideasdi-topic-grid__filters {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 7px 8px;
  width: 100%;
  margin: 0 auto;
}

.ideasdi-topic-grid__chip {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 27px;
  padding: var(--idtg-chip-padding-y) var(--idtg-chip-padding-x);
  border-radius: var(--idtg-chip-radius);
  color: var(--idtg-tag-text) !important;
  font-size: var(--idtg-chip-font-size);
  font-weight: 650;
  line-height: 1;
  text-align: center;
  text-decoration: none !important;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background-color 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}

.ideasdi-topic-grid__chip > span {
  position: relative;
  z-index: 3;
}

/* Liquid Glass Mac: capa tintada, blur real, brillo especular y refracción */
.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__chip {
  overflow: hidden;
  border: 1px solid rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-border-opacity));
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, var(--idtg-glass-highlight-opacity)) 0%,
      rgba(255, 255, 255, 0.12) 34%,
      rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-opacity)) 100%
    ),
    rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-opacity));
  box-shadow:
    0 7px 22px rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-shadow-opacity)),
    inset 0 1px 0 rgba(255, 255, 255, var(--idtg-glass-highlight-opacity)),
    inset 0 -1px 0 rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-border-opacity));
  backdrop-filter: blur(var(--idtg-glass-blur)) saturate(var(--idtg-glass-saturation));
  -webkit-backdrop-filter: blur(var(--idtg-glass-blur)) saturate(var(--idtg-glass-saturation));
}

.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__chip::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 1px;
  right: 8px;
  left: 8px;
  height: 48%;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, var(--idtg-glass-highlight-opacity)),
    rgba(255, 255, 255, 0)
  );
  pointer-events: none;
}

.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__chip::after {
  content: "";
  position: absolute;
  z-index: 2;
  right: 10%;
  bottom: -55%;
  left: 10%;
  height: 88%;
  border-radius: 50%;
  background: radial-gradient(
    ellipse at center,
    rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-refraction-opacity)) 0%,
    rgba(var(--idtg-tag-base-rgb), 0) 72%
  );
  filter: blur(2px);
  pointer-events: none;
}

.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__chip:hover,
.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__chip.is-active {
  border-color: rgba(var(--idtg-tag-active-rgb), var(--idtg-glass-border-opacity));
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, var(--idtg-glass-highlight-opacity)) 0%,
      rgba(255, 255, 255, 0.10) 34%,
      rgba(var(--idtg-tag-active-rgb), var(--idtg-glass-active-opacity)) 100%
    ),
    rgba(var(--idtg-tag-active-rgb), var(--idtg-glass-active-opacity));
  color: var(--idtg-tag-active-text) !important;
  box-shadow:
    0 10px 28px rgba(var(--idtg-tag-active-rgb), var(--idtg-glass-shadow-opacity)),
    inset 0 1px 0 rgba(255, 255, 255, var(--idtg-glass-highlight-opacity)),
    inset 0 -1px 0 rgba(var(--idtg-tag-active-rgb), var(--idtg-glass-border-opacity));
  transform: translateY(-1px);
}

.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__chip:hover::after,
.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__chip.is-active::after {
  background: radial-gradient(
    ellipse at center,
    rgba(var(--idtg-tag-active-rgb), var(--idtg-glass-refraction-opacity)) 0%,
    rgba(var(--idtg-tag-active-rgb), 0) 72%
  );
}

/* Modo sólido configurable */
.ideasdi-topic-grid.is-solid-tags .ideasdi-topic-grid__chip {
  border: 1px solid var(--idtg-tag-base);
  background: var(--idtg-tag-base);
  color: var(--idtg-tag-active-text) !important;
}

.ideasdi-topic-grid.is-solid-tags .ideasdi-topic-grid__chip:hover,
.ideasdi-topic-grid.is-solid-tags .ideasdi-topic-grid__chip.is-active {
  border-color: var(--idtg-tag-active);
  background: var(--idtg-tag-active);
}

.ideasdi-topic-grid__items {
  display: grid;
  grid-template-columns: repeat(var(--idtg-cols-desktop), minmax(0, 1fr));
  gap: var(--idtg-gap-y) var(--idtg-gap-x);
  transition: opacity 0.18s ease;
}

.ideasdi-topic-grid.is-loading .ideasdi-topic-grid__items {
  opacity: 0.42;
  pointer-events: none;
}

.ideasdi-topic-card {
  min-width: 0;
}

.ideasdi-topic-card__image {
  display: block;
  width: 100%;
  aspect-ratio: var(--idtg-ratio-w) / var(--idtg-ratio-h);
  overflow: hidden;
  margin-bottom: 10px;
  background: #f4f4f4;
}

.ideasdi-topic-card__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.ideasdi-topic-card__image:hover .ideasdi-topic-card__thumb {
  transform: scale(1.025);
}

.ideasdi-topic-card__tag {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  margin-bottom: 6px;
  padding: 4px 8px;
  border-radius: var(--idtg-card-tag-radius);
  color: var(--idtg-card-tag-text) !important;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1;
  text-decoration: none !important;
  text-transform: uppercase;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-card__tag {
  border: 1px solid rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-border-opacity));
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, var(--idtg-glass-highlight-opacity)) 0%,
      rgba(255, 255, 255, 0.08) 38%,
      rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-card-opacity)) 100%
    ),
    rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-card-opacity));
  box-shadow:
    0 6px 16px rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-shadow-opacity)),
    inset 0 1px 0 rgba(255, 255, 255, var(--idtg-glass-highlight-opacity));
  backdrop-filter: blur(var(--idtg-glass-blur)) saturate(var(--idtg-glass-saturation));
  -webkit-backdrop-filter: blur(var(--idtg-glass-blur)) saturate(var(--idtg-glass-saturation));
}

.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-card__tag::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 1px;
  right: 5px;
  left: 5px;
  height: 45%;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, var(--idtg-glass-highlight-opacity)),
    rgba(255, 255, 255, 0)
  );
}

.ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-card__tag:hover {
  border-color: rgba(var(--idtg-tag-active-rgb), 0.62);
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, var(--idtg-glass-highlight-opacity)) 0%,
      rgba(255, 255, 255, 0.08) 38%,
      rgba(var(--idtg-tag-active-rgb), var(--idtg-glass-card-opacity)) 100%
    ),
    rgba(var(--idtg-tag-active-rgb), var(--idtg-glass-card-opacity));
  transform: translateY(-1px);
}

.ideasdi-topic-grid.is-solid-tags .ideasdi-topic-card__tag {
  border: 1px solid var(--idtg-tag-base);
  background: var(--idtg-tag-base);
}

.ideasdi-topic-grid.is-solid-tags .ideasdi-topic-card__tag:hover {
  border-color: var(--idtg-tag-active);
  background: var(--idtg-tag-active);
}

.ideasdi-topic-card__title {
  margin: 0 0 6px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 18px;
  line-height: 1.12;
}

.ideasdi-topic-card__title a {
  color: #1d1d1d;
  text-decoration: none;
}

.ideasdi-topic-card__title a:hover {
  color: var(--idtg-tag-active);
}

.ideasdi-topic-card__date {
  display: block;
  color: #777;
  font-size: 10px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.ideasdi-topic-card__date-label {
  margin-right: 0.35em;
  color: var(--ideasdi-topic-text);
  font-weight: 700;
}

.ideasdi-topic-grid__load {
  display: flex;
  justify-content: center;
  margin-top: 36px;
}

.ideasdi-topic-grid__load-button {
  min-height: 36px;
  padding: 9px 28px;
  border: 1px solid var(--ideasdi-topic-hover);
  background: #fff;
  color: var(--ideasdi-topic-text);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.ideasdi-topic-grid__load-button:hover,
.ideasdi-topic-grid__load-button:focus-visible {
  border-color: var(--ideasdi-topic-hover);
  background: var(--ideasdi-topic-hover);
  color: var(--ideasdi-topic-text);
}

.ideasdi-topic-grid__load-button[hidden] {
  display: none;
}

.ideasdi-topic-grid__empty {
  grid-column: 1 / -1;
  padding: 28px 0;
  color: #666;
  font-size: 14px;
  text-align: center;
}

/* Fallback cuando el navegador no soporta backdrop-filter */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__chip {
    background: rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-fallback-opacity));
    color: var(--idtg-tag-active-text) !important;
  }

  .ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__chip:hover,
  .ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__chip.is-active {
    background: rgba(var(--idtg-tag-active-rgb), var(--idtg-glass-fallback-opacity));
  }

  .ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-card__tag {
    background: rgba(var(--idtg-tag-base-rgb), var(--idtg-glass-fallback-opacity));
  }
}

@media (max-width: 1024px) {
  .ideasdi-topic-grid {
    padding: 0 18px;
  }

  .ideasdi-topic-grid__items {
    grid-template-columns: repeat(var(--idtg-cols-tablet), minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .ideasdi-topic-grid {
    margin: 28px auto 46px;
    padding: 0 16px;
  }

  .ideasdi-topic-grid__filters-wrap {
    width: calc(100% + 32px);
    margin-right: -16px;
    margin-bottom: 28px;
    margin-left: -16px;
    padding: 0 0 2px;
    overflow: hidden;
  }

  .ideasdi-topic-grid.is-liquid-glass .ideasdi-topic-grid__filters-wrap::before {
    inset: -14px 8px -10px;
  }

  .ideasdi-topic-grid__filters-title {
    margin-bottom: 12px;
    padding: 0 16px;
  }

  .ideasdi-topic-grid__filters {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    width: 100%;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 16px 12px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .ideasdi-topic-grid__filters::-webkit-scrollbar {
    display: none;
  }

  .ideasdi-topic-grid__chip {
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  .ideasdi-topic-grid__items {
    grid-template-columns: repeat(var(--idtg-cols-mobile), minmax(0, 1fr));
    gap: 28px 16px;
  }

  .ideasdi-topic-card__image {
    margin-bottom: 8px;
  }

  .ideasdi-topic-card__tag {
    margin-bottom: 6px;
    padding: 4px 7px;
    font-size: 8px;
  }

  .ideasdi-topic-card__title {
    margin-bottom: 6px;
    font-size: 16px;
    line-height: 1.14;
  }

  .ideasdi-topic-card__date {
    font-size: 9px;
  }
}

@media (max-width: 390px) {
  .ideasdi-topic-grid__items {
    grid-template-columns: repeat(var(--idtg-cols-small), minmax(0, 1fr));
    gap: 30px;
  }

  .ideasdi-topic-card__title {
    font-size: 19px;
    line-height: 1.14;
  }

  .ideasdi-topic-card__tag {
    padding: 4px 8px;
    font-size: 9px;
  }

  .ideasdi-topic-card__date {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ideasdi-topic-grid__chip,
  .ideasdi-topic-card__tag,
  .ideasdi-topic-card__thumb,
  .ideasdi-topic-grid__items {
    transition: none;
  }
}