/* Contenedor general del álbum */
.album {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Cabecera */
.album-header {
  margin-bottom: 16px;
}

.album-header h2 {
  margin: 0 0 4px;
}

.album-header p {
  margin: 0 0 8px;
  font-size: 14px;
  opacity: 0.8;
}

/* Barra de progreso */
.progress-bar {
  width: 100%;
  height: 8px;
  background: #374151;
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #22c55e, #4ade80);
  transition: width 0.3s ease;
}

/* Grid del álbum (mobile first) */
.album-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
}

/* Slots */
.album-slot {
  display: flex;
  justify-content: center;
}

/* Carta bloqueada */
.card-locked {
  width: 100%;
  height: 160px;
  border: 2px dashed #6b7280;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #6b7280;
}

/* Tablet */
@media (min-width: 600px) {
  .album-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .album-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}