/* ============================================================
   Variables globales
   ============================================================ */
:root {
  /* Colores base */
  --color-arena-claro: #FEF4Ef;
  --color-carbon: #141A1A;
  --color-turquesa-agrario: #40b9b9;
  --color-turquesa-brillante: #33D1D1;
  --color-naranja-terracota: #E8944A;
  --color-gris-verdoso: #E8ECEA;
  --color-gris-texto: #666;
  --color-gris-titulo: #333;

  /* Sombras */
  --sombra-suave: 0 4px 8px #141A1A10;
  --sombra-hover: 0 6px 16px #141A1A10;
  --sombra-toast: 0 8px 24px #141A1A20;

  /* Tipografía y espaciamiento */
  --font-base: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --transition-base: 0.2s ease;
  --radius-base: 8px;
}

/* ============================================================
   Base
   ============================================================ */
body {
  margin: 0;
  font-family: var(--font-base);
  background-color: var(--color-arena-claro); /* ARENA claro */
  color: var(--color-carbon); /* negro carbon */
  line-height: 1.5;
}

/* ============================================================
   Header con efecto scroll moderno (solo CSS)
   ============================================================ */
header {
  background-color: var(--color-turquesa-agrario); /* turquesa agrario */
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: stretch;
  position: sticky;
  top: 0;
  z-index: 10;
  transition: all 0.3s ease;
  
  /* Efecto de desvanecimiento al hacer scroll */
  animation: fadeOnScroll linear forwards;
  animation-timeline: scroll();
  animation-range: 0 200px;
}

/* ============================================================
   Selector de idiomas con banderas
   ============================================================ */
.language-selector {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.language-selector button {
  border: 2px solid white;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  padding: 0;
  overflow: hidden;
}

.language-selector button img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.language-selector button:hover {
  background-color: rgba(255, 255, 255, 0.25);
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.language-selector button:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-naranja-terracota);
}

.language-selector button.active {
  background-color: var(--color-naranja-terracota);
  border-color: var(--color-naranja-terracota);
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(232, 148, 74, 0.4);
}

.language-selector button.active:hover {
  transform: scale(1.2);
}

@keyframes fadeOnScroll {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
  }
}

/* Contenedor superior del header con logo */
header > label:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

header img {
  height: 50px;
}

/* ============================================================
   Main y títulos
   ============================================================ */
main {
  padding: 2rem;
  max-width: 1200px;
  margin: auto;
}

h2 {
  margin-top: 2rem;
  color: var(--color-turquesa-agrario);
  border-bottom: 2px solid var(--color-turquesa-agrario);
  padding-bottom: 0.3rem;
}

h3 {
  margin-top: 1.5rem;
  color: var(--color-naranja-terracota); /* naranja terracota */
}

/* ============================================================
   Grid
   ============================================================ */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-top: 1rem;
  align-items: stretch; /* asegura altura uniforme */
}

/* Fallback */
@supports not (display: grid) {
  .grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }
}

/* ============================================================
   Card
   ============================================================ */
.card {
  background: var(--color-gris-verdoso); /* gris verdoso claro */
  border-radius: var(--radius-base);
  box-shadow: var(--sombra-suave);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
  padding: 0;
  cursor: pointer;
  height: 100%;
  display: block;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra-hover);
}

/* Enlace que cubre toda la tarjeta */
.card-link {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  height: 100%;
  padding: 1.2rem;
  text-decoration: none;
  color: inherit;
}

.card-link:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 3px var(--color-turquesa-agrario);
}

.card h4 {
  margin: 0 0 0.4rem 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-gris-titulo);
}

.card p {
  font-size: 0.9rem;
  color: var(--color-gris-texto);
  margin: 0;
}

/* ============================================================
   Footer con efecto scroll moderno (solo CSS)
   ============================================================ */
footer {
  margin-top: 3rem;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.9rem;
  background: var(--color-turquesa-brillante); /* turquesa brillante */
  color: white;
}

/* ============================================================
   Filtros y cabecera
   ============================================================ */
.header-filtro {
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  display: block;
}

.results-counter {
  margin-right: auto;
  color: white;
  display: none !important;
}

.filters-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  align-items: start;
}

.filters-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* ============================================================
   Layout responsivo para orientación vertical
   ============================================================ */
@media (orientation: portrait) {
  .filters-form {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 600px) {
  header {
    padding: 0.75rem 1rem;
  }
  
  .filters-form {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}


/* ============================================================
   Select (combos)
   ============================================================ */
.filters-form select {
  border-radius: 0.4rem;
  background-color: var(--color-arena-claro);
  border: 2px solid transparent;
  padding: 0.5rem 0.75rem;
  width: 100%;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.filters-form select:hover {
  background-color: white;
  border-color: var(--color-turquesa-brillante);
}

.filters-form select:focus {
  outline: none;
  background-color: white;
  border-color: var(--color-naranja-terracota);
  box-shadow: 0 0 0 3px rgba(232, 148, 74, 0.2);
}

.filters-form select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ============================================================
   Fila superior: Buscar + Dron en la misma línea
   ============================================================ */
.header-top-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.header-top-row > label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.search-label {
  min-width: 180px;
  flex: 0 1 250px;
}

.search-label input[type="text"] {
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0.4rem;
  background-color: var(--color-arena-claro);
  border: 2px solid transparent;
  padding: 0.5rem 0.75rem;
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  height: 2.375rem;
  transition: all var(--transition-base);
  box-sizing: border-box;
}

.search-label input[type="text"]:hover {
  background-color: white;
  border-color: var(--color-turquesa-brillante);
}

.search-label input[type="text"]:focus {
  outline: none;
  background-color: white;
  border-color: var(--color-naranja-terracota);
  box-shadow: 0 0 0 3px rgba(232, 148, 74, 0.2);
}

/* ============================================================
   Checkboxes personalizados - Sección Dron
   ============================================================ */

#filter-drone-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

#filter-drone-group label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  cursor: pointer;
  padding: 0.35rem 0.75rem;
  border-radius: 0.4rem;
  background-color: rgba(255, 255, 255, 0.1);
  transition: background-color var(--transition-base);
}

#filter-drone-group label:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

#filter-drone-group input[type="checkbox"] {
  appearance: none;
  width: 1.1rem;
  height: 1.1rem;
  margin: 0;
  border: 2px solid white;
  border-radius: 4px;
  background-color: transparent;
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
}

#filter-drone-group input[type="checkbox"]:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

#filter-drone-group input[type="checkbox"]::before {
  content: "✔";
  font-size: 0.85rem;
  font-weight: bold;
  color: white;
  transform: scale(0);
  transition: transform 0.15s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

#filter-drone-group input[type="checkbox"]:checked {
  background-color: var(--color-naranja-terracota);
  border-color: var(--color-naranja-terracota);
}

#filter-drone-group input[type="checkbox"]:checked::before {
  transform: scale(1);
}

/* ============================================================
   Toast notifications
   ============================================================ */
#toast-root {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  z-index: 9999;
}

.toast {
  pointer-events: auto;
  background: #141A1AA0; /* negro carbon */
  color: white;
  font: 500 0.95rem/1.3 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  box-shadow: var(--sombra-toast);
  max-width: min(90vw, 28rem);
  text-align: center;
  opacity: 0;
  transform: translateY(6px) scale(0.98);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.toast.is-show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ============================================================
   Accesibilidad y optimizaciones
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .card,
  .toast {
    transition: none;
  }
}

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