/* ═══════════════════════════════════════════════════════
   ATOMS PROGRESSION SYSTEM CSS - OPTIMIZED FOR LOW-END GPUs
   ═══════════════════════════════════════════════════════ */

/* Floating $+N$ and $-N$ Atom animations */
@keyframes floatAtom {
  0% {
    opacity: 0;
    transform: translate(-50%, 0) scale(0.85);
  }
  20% {
    opacity: 1;
    transform: translate(-50%, -25px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -80px) scale(0.9);
  }
}

.animate-float-atom {
  animation: floatAtom 0.8s ease-out forwards;
}

/* Header Atoms Chip pulse animation - simplified */
@keyframes chipGlowPulse {
  0% {
    border-color: rgba(0, 229, 160, 0.4);
    background: rgba(0, 229, 160, 0.1);
  }
  50% {
    border-color: rgba(0, 229, 160, 0.8);
    background: rgba(0, 229, 160, 0.2);
    transform: scale(1.05);
  }
  100% {
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.03);
  }
}

.pulse-active {
  animation: chipGlowPulse 0.5s ease-out forwards;
}

/* Simple transition animations */
.animate-bounce-slow {
  animation: none; /* Removed bouncing to avoid layout reflows and constant rendering */
}

/* Custom scrollbars inside modal */
.custom-scrollbar::-webkit-scrollbar {
  width: 5px;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.15);
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 240, 255, 0.3);
}

/* Optimized Atoms Chip - Removed backdrop-filter blur for CPU/GPU efficiency */
.atoms-chip-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1rem;
  background: #0f172a; /* Solid color fallback */
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  font-weight: 800;
  color: #00e5a0;
  letter-spacing: 0.04em;
  transition: all 0.2s ease;
  cursor: pointer;
  outline: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.atoms-chip-pill:hover {
  border-color: #00e5a0;
  box-shadow: 0 0 10px rgba(0, 229, 160, 0.2);
  transform: translateY(-1px);
}

.atoms-chip-pill img {
  width: 1.35rem;
  height: 1.35rem;
  object-fit: contain;
}