/* =============================================================
   cheatsheet.css — Estilos específicos de la vista CheatSheets
============================================================= */

/* ── Grid de tarjetas ──────────────────────────────────────── */
.cs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 0.5rem;
}

/* ── Card ──────────────────────────────────────────────────── */
.cs-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  transition: all 0.25s ease;
}
.cs-card:hover {
  transform: translateY(-3px);
  border-color: rgba(220,20,60,0.35);
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

/* Imagen */
.cs-card .img-container {
  position: relative;
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: var(--color-surface-raised);
}
.cs-card .img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.cs-card:hover .img-container img { transform: scale(1.05); }

/* Degradado inferior sobre la imagen */
.cs-card .img-container::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 55%;
  background: linear-gradient(transparent, var(--color-surface));
  pointer-events: none;
}

/* ── Overlay decorativo de borde izquierdo ─────────────────── */
.cs-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 3px;
  height: 100%;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 2;
}
.cs-card:hover::before { opacity: 1; }

/* Contenido */
.cs-content {
  padding: 1rem 1rem 1.25rem;
  width: 100%;
  flex: 1;
}

.cs-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.2rem;
  line-height: 1.3;
}

.cs-category {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.cs-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}
.cs-tags span {
  font-size: 0.68rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.cs-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Filtros OS ────────────────────────────────────────────── */
.filter-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.filter-actions {
  margin-left: auto;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.cs-filter-btn {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}
.cs-filter-btn:hover {
  border-color: rgba(220,20,60,0.4);
  color: var(--color-accent-light);
  background: rgba(220,20,60,0.06);
}
.cs-filter-btn.active {
  background: rgba(220,20,60,0.18);
  border-color: rgba(220,20,60,0.5);
  color: var(--color-accent-light);
  font-weight: 600;
}

/* ── Botones de práctica ───────────────────────────────────── */
.practice-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: all 0.2s ease;
  font-family: inherit;
}
.practice-btn:hover {
  background: rgba(220,20,60,0.1);
  color: var(--color-accent-light);
  border-color: rgba(220,20,60,0.4);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 640px) {
  .filter-actions { margin-left: 0; width: 100%; }
  .practice-btn   { flex: 1; justify-content: center; }
  .filter-row     { justify-content: flex-start; }
}