body {
  background-image: url("../assets/fondo.png");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: white;
  min-height: 100vh;
}

header {
  background: rgba(0, 0, 0, 0.6);
}

/* CARTAS */
.grimoire-card {
  max-width: 350px;
  margin: auto;
  padding: 30px;
  border-radius: 20px;
  cursor: pointer;
  transition: transform 0.3s ease;
  box-shadow: 0 0 25px rgba(0,0,0,0.7);
}

.grimoire-card:hover {
  transform: scale(1.05);
}

.grimoire-img {
  width: 120px;
  margin: 20px 0;
  filter: drop-shadow(0 0 10px rgba(0,0,0,0.9));
}

/* COLORES */
.pica {
  background: linear-gradient(145deg, #0ff, #000);
}

.corazon {
  background: linear-gradient(145deg, #c00, #ff9800);
}

.trebol {
  background: linear-gradient(145deg, #00c853, #003300);
}

.diamante {
  background: linear-gradient(145deg, #b3e5fc, #90a4ae);
}

/* MODAL */
.selection-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.selection-box {
  background: #111;
  padding: 35px 45px;
  border-radius: 20px;
  text-align: center;
  animation: pop 0.4s ease;
}

.selection-box button {
  margin-top: 20px;
  padding: 10px 30px;
  border-radius: 25px;
  border: none;
  font-weight: bold;
}

@keyframes pop {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}