/* ============================================================
   search.css — Buscador Universal (compartido)
   Estilos del buscador global y su desplegable, extraídos de
   style.css para reutilizarlos en páginas que no la cargan
   (IA, biomedical-dashboard, etica). Los var() incluyen valores
   de respaldo por si la hoja de la página no define la variable.
   ============================================================ */

.hidden {
  display: none !important;
}

.universal-search {
  position: sticky;
  top: 1rem;
  z-index: 100;
  margin-bottom: 2rem;
  display: flex;
  justify-content: flex-end;
}

.universal-search input {
  width: 350px;
  background: var(--surface, #ffffff);
  border: var(--border-width, 2.5px) solid var(--ink, #1a1a1a);
  padding: 0.8rem 1.2rem;
  border-radius: 40px;
  font-family: 'Lexend', sans-serif;
  font-size: 1rem;
  box-shadow: 4px 4px 0px var(--ink, #1a1a1a);
  outline: none;
  transition: 0.2s;
}

.universal-search input:focus {
  box-shadow: 6px 6px 0px var(--accent-blue, #0b81a2);
  transform: translateY(-2px);
}

/* Universal Search Results Dropdown */
.search-results-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  width: 450px;
  max-height: 500px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border: var(--border-width, 2.5px) solid var(--ink, #1a1a1a);
  border-radius: 20px;
  margin-top: 12px;
  box-shadow: 10px 10px 0px var(--ink, #1a1a1a);
  overflow-y: auto;
  z-index: 1000;
  padding: 1.2rem;
  border-top-right-radius: 5px;
  animation: slideInDown 0.2s ease-out;
}

@keyframes slideInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.search-result-category {
  font-family: 'Lexend';
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent-blue, #0b81a2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.6rem 0 0.3rem;
  margin-bottom: 0.4rem;
  border-bottom: 2px dashed #eee;
}

.search-result-item {
  padding: 0.85rem;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
  margin-bottom: 0.2rem;
}

.search-result-item:hover {
  background: #f0f9ff;
  transform: translateX(8px);
  border-left: 5px solid var(--accent-blue, #0b81a2);
}

.search-result-title {
  font-family: 'Lexend';
  font-weight: 800;
  font-size: 1rem;
  color: var(--ink, #1a1a1a);
}

.search-result-desc {
  font-size: 0.78rem;
  color: #555;
  line-height: 1.4;
}

.empty-search {
  padding: 2rem;
  text-align: center;
  font-family: Lexend;
  font-weight: 600;
  color: #999;
}

@media (max-width: 768px) {
  .universal-search {
    position: relative;
    top: 0;
    margin-bottom: 1rem;
    justify-content: center;
  }
  .universal-search input { width: 100%; max-width: 100%; }
  .search-results-dropdown {
    width: calc(100vw - 2rem);
    right: 0;
    left: 0;
    margin-left: auto;
    margin-right: auto;
  }
}