.lobby {
  max-width: 460px;
  margin: 0 auto;
  padding: 28px 16px;
}

.lobby__back {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Panel de piedra con marco dorado. */
.lobby__panel {
  position: relative;
  background: linear-gradient(180deg, rgba(35, 27, 41, 0.94), rgba(23, 18, 28, 0.96));
  border: 1px solid var(--gold-dark);
  border-radius: var(--radius);
  padding: 32px 22px 22px;
  text-align: center;
  box-shadow:
    0 0 0 4px rgba(11, 8, 16, 0.8),
    0 0 0 5px rgba(138, 100, 32, 0.45),
    0 18px 40px rgba(0, 0, 0, 0.7);
}

.lobby__cross {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  color: var(--gold);
  background: var(--surface);
  border: 1px solid var(--gold-dark);
  border-radius: 50%;
  text-shadow: 0 0 10px rgba(224, 176, 74, 0.8);
}

.lobby h1 {
  margin: 0 0 8px;
  font-size: 1.45rem;
  color: var(--gold-soft);
  text-shadow: 0 0 14px rgba(224, 176, 74, 0.35);
}

.lobby__hint {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.45;
}

.lobby form {
  display: grid;
  gap: 10px;
}

/* 16px evita el zoom automatico de iOS al enfocar. */
.lobby input {
  font-size: 16px;
}

.lobby button {
  margin-top: 6px;
  padding: 13px;
  font-size: 1.05rem;
}

.lobby__message {
  min-height: 22px;
  margin: 12px 0 0;
  color: #fca5a5;
  font-size: 0.9rem;
}