body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(124, 58, 237, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(124, 58, 237, 0.5);
}

/* Selection */
::selection {
  background: rgba(124, 58, 237, 0.4);
  color: var(--purple-50);
}

/* Particle Canvas */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading-screen.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.loading-logo {
  position: relative;
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading-ring {
  position: absolute;
  width: 100px;
  height: 100px;
  border: 2px solid transparent;
  border-top-color: var(--purple-500);
  border-radius: 50%;
  animation: spin 1.2s linear infinite;
}

.loading-ring--2 {
  width: 76px;
  height: 76px;
  border-top-color: var(--purple-400);
  animation-duration: 1.8s;
  animation-direction: reverse;
}

.loading-ring--3 {
  width: 52px;
  height: 52px;
  border-top-color: var(--purple-300);
  animation-duration: 0.9s;
}

.loading-icon {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  background: linear-gradient(135deg, var(--purple-300), var(--purple-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  z-index: 1;
}

.loading-text {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.loading-dots span {
  animation: blink 1.4s infinite;
  font-size: var(--text-lg);
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

.loading-bar {
  width: 200px;
  height: 2px;
  background: rgba(124, 58, 237, 0.15);
  border-radius: 1px;
  overflow: hidden;
}

.loading-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--purple-700), var(--purple-400));
  border-radius: 1px;
  box-shadow: 0 0 10px var(--purple-500);
  transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--purple-300) 0%, var(--purple-400) 50%, var(--purple-200) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Status dot */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

/* Toast Container */
.toast-container {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: rgba(18, 18, 26, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: var(--text-sm);
  pointer-events: auto;
  animation: toastIn 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.toast.removing {
  animation: toastOut 0.3s ease forwards;
}

.toast--success { border-left: 3px solid var(--success); }
.toast--error   { border-left: 3px solid var(--error); }
.toast--warning { border-left: 3px solid var(--warning); }
.toast--info    { border-left: 3px solid var(--info); }

/* Modal Root */
.modal-root {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  pointer-events: none;
}

.modal-root.active {
  display: block;
  pointer-events: auto;
}

/* Responsive toast position */
@media (max-width: 480px) {
  .toast-container {
    top: auto;
    bottom: var(--space-5);
    right: var(--space-3);
    left: var(--space-3);
  }
  .toast {
    font-size: 0.8rem;
    padding: var(--space-2) var(--space-3);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  #particle-canvas {
    display: none;
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes blink {
  0%, 20% { opacity: 0; }
  50% { opacity: 1; }
  80%, 100% { opacity: 0; }
}