/* ----------------------------------------
   VARIABLES
   ---------------------------------------- */
:root {
  --gap: 0.75rem;
  --radius: 0.75rem;
  --transition-fast: 0.15s ease-out;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --bg-item: #06000e;
  --border-light: #0d0329;
  --outline: rgba(255,255,255,0.05);
  --shadow-item: 0 1px 4px rgba(0,0,0,0.2);
  --shadow-hover: 0 4px 12px rgba(0,0,0,0.3);
  --accent: var(--color-acento);
  --accent-light: var(--color-acento-light);
  --accent-gradient: linear-gradient(120deg, var(--accent) 0%, var(--accent-light) 100%);
}

/* ----------------------------------------
   CONTENEDOR PRINCIPAL
   ---------------------------------------- */
.content {
  padding: 80px 2rem 2rem 14rem;
  font-family: "Inter", sans-serif;
  color: #e0e0e0;
}

/* ----------------------------------------
   TÍTULO
   ---------------------------------------- */
.content > h1 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--accent);
  font-weight: 700;
}

/* ----------------------------------------
   BARRA DE PESTAÑAS
   ---------------------------------------- */
.tabs {
  display: flex;
  gap: var(--gap);
  margin-bottom: 1rem;
}
.tabs button {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: transparent;
  color: inherit;
  border: none;
  border-bottom: 2px solid transparent;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.tabs button:hover {
  color: var(--accent);
}
.tabs button.active {
  color: var(--accent);
  border-color: var(--accent);
}

/* ----------------------------------------
   LISTA DE TEMAS
   ---------------------------------------- */
.topics-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--gap);
  padding: 0;
  margin: 0;
}

/* ----------------------------------------
   CADA TEMA
   ---------------------------------------- */
.topics-list li {
  position: relative;
  background: var(--bg-item);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 0.75rem 0.5rem;
  text-align: center;
  font-weight: 500;
  color: #ccc;
  box-shadow: var(--shadow-item);
  cursor: pointer;
  transition:
    background var(--transition),
    transform var(--transition-fast),
    box-shadow var(--transition);
}
.topics-list li:hover {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

/* ----------------------------------------
   RIPPLE DISCRETO AL CLICK
   ---------------------------------------- */
.topics-list li {
  overflow: hidden;
}
.topics-list li::after {
  content: "";
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s ease, opacity 0.4s ease;
}
.topics-list li:active::after {
  transform: scale(1);
  opacity: 1;
  transition: transform 0s, opacity 0.2s ease-out;
}

/* ----------------------------------------
   BADGE DE CONTEO
   ---------------------------------------- */
.badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  line-height: 1;
  padding: 0.2rem 0.4rem;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  pointer-events: none;
}

/* ----------------------------------------
   RESPONSIVE: MÓVIL
   ---------------------------------------- */
@media (max-width: 768px) {
  .content {
    padding: 70px 1rem 1rem 1rem;
  }
  .topics-list {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  /* Subir la sección de “Últimos post” y “topics‑tabs” */
  .latest-posts {
    margin-top: -0.75rem;
  }
  .topics-tabs {
    margin-top: -0.5rem;
  }

  /* Subir la barra de pestañas */
  .tabs {
    margin-top: -5rem;    /* elimina espacio y la mueve hacia arriba */
    margin-bottom: 0.5rem;  /* deja un poco de hueco abajo */
  }

  /* Opcional: ajustar separaciones internas si están muy apretadas */
  .tabs button {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }
}