.mode-selector {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.mode-btn {
  padding: 0.8rem 2rem;
  background: var(--bg-card);
  border: 2px solid var(--neon-purple);
  color: var(--text-primary);
  font-family: var(--font-main);
  cursor: pointer;
  transition: all 0.3s;
}

.mode-btn.active {
  background: var(--neon-pink);
  border-color: var(--neon-pink);
  box-shadow: 0 0 20px var(--neon-pink);
}

.custom-names {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.custom-names input {
  flex: 1;
  padding: 0.8rem;
  background: var(--bg-card);
  border: 2px solid var(--neon-cyan);
  color: var(--text-primary);
  font-family: var(--font-body);
  text-align: center;
}

.coin-container {
  perspective: 1000px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
  margin: 3rem 0;
}

.coin {
  width: 300px;
  height: 300px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.1s;
}

.coin-side {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backface-visibility: hidden;
  border: 5px solid var(--neon-yellow);
  box-shadow: 0 0 40px rgba(255, 234, 0, 0.5);
}

.heads {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
}

.tails {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-yellow));
  transform: rotateY(180deg);
}

.coin-text {
  font-size: 4rem;
  font-family: var(--font-main);
  font-weight: 900;
  color: white;
  text-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
  max-width: 90%;
  word-wrap: break-word;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.flip-btn {
  display: block;
  margin: 0 auto;
  padding: 1.5rem 4rem;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  border: none;
  color: white;
  font-family: var(--font-main);
  font-weight: 900;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s;
  text-transform: uppercase;
}

.flip-btn:hover {
  box-shadow: 0 0 40px var(--neon-pink);
  transform: scale(1.05);
}

.flip-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.result-display {
  text-align: center;
  margin-top: 3rem;
  font-size: 3rem;
  font-family: var(--font-main);
  font-weight: 900;
  color: var(--neon-yellow);
  text-transform: uppercase;
  animation: result-appear 0.5s ease-out;
}

@keyframes result-appear {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

.winner-emoji {
  color: var(--neon-pink);
  font-size: 2.5rem;
  vertical-align: middle;
  animation: star-pulse 0.5s ease-in-out infinite alternate;
}

@keyframes star-pulse {
  from { transform: scale(1); }
  to { transform: scale(1.2); }
}

@media (max-width: 768px) {
  .coin {
    width: 200px;
    height: 200px;
  }
  
  .coin-text {
    font-size: 2.5rem;
  }
}