.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--card-bg);
  border: 0.0625rem solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 5vw, 2.5rem);
  width: 95%;
  max-width: 30rem;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9) translateY(1.25rem);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal h2 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  text-align: center;
  font-weight: 700;
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.625rem, 3vw, 1.25rem);
  margin-bottom: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 30rem) {
  .action-buttons {
    flex-direction: row;
  }
}

.game-controls {
  display: flex;
  justify-content: center;
  margin: 0.5rem 0;
  z-index: 150;
}

@media (min-width: 30rem) {
  .game-controls {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    margin: 0;
  }
}

.mode-selector {
  background: rgba(15, 23, 42, 0.6);
  padding: 0.375rem;
  border-radius: 6.25rem;
  border: 0.0625rem solid var(--border);
  backdrop-filter: blur(0.625rem);
  display: inline-flex;
}

.mode-selector button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: 6.25rem;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

@media (min-width: 30rem) {
  .mode-selector button {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
  }
}

.mode-selector button.active-mode {
  background: var(--primary);
  color: white;
  box-shadow: 0 0.25rem 0.75rem var(--primary-glow);
}

.btn {
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  flex: 1;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 0.25rem 0.9rem var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-0.125rem);
  box-shadow: 0 0.375rem 1.25rem var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 0.0625rem solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}