body {
  background-color: #162036;
  color: #e2e8f0;
  font-family: 'Inter', sans-serif;
}

.panel {
  background: rgba(28, 40, 66, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  backdrop-filter: blur(12px);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.65rem 1.25rem;
  border-radius: 0.75rem;
  box-shadow: 0 8px 20px -4px rgba(37, 99, 235, 0.45);
  transition: all 0.15s ease;
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #e2e8f0;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.6rem 1.1rem;
  border-radius: 0.75rem;
  transition: all 0.15s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.65rem;
  color: #94a3b8;
  transition: all 0.15s ease;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #ffffff;
}

/* Ultra-Modern Neon Liquid Progress Bar & Leading Laser Tip */
@keyframes laserFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes scanlineSweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(250%); }
}

.cyber-progress-track {
  position: relative;
  background: rgba(10, 16, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.cyber-progress-fill {
  position: relative;
  background: linear-gradient(90deg, #2563eb, #06b6d4, #3b82f6, #10b981);
  background-size: 300% 100%;
  animation: laserFlow 3s ease infinite;
  box-shadow: 0 0 18px rgba(6, 182, 212, 0.65), 0 0 6px rgba(59, 130, 246, 0.9);
  transition: width 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Glowing White-Hot Laser Head at the end of the bar */
.cyber-progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 10px;
  background: #ffffff;
  border-radius: 9999px;
  box-shadow: 0 0 14px 4px #38bdf8, 0 0 24px 8px #2563eb;
}

/* Shimmering Light Sweep across the bar */
.cyber-progress-fill::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 45%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  animation: scanlineSweep 1.4s infinite linear;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #162036; }
::-webkit-scrollbar-thumb { background: #2d3f66; border-radius: 3px; }