/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow var(--transition), background var(--transition);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent-cyan);
  color: var(--bg-deep);
  box-shadow: 0 0 32px rgba(45, 212, 191, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 0 48px rgba(45, 212, 191, 0.4);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
}

.btn-full { width: 100%; }