:root {
  --background: #f8f9fc;
  --foreground: #0f172a;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --primary-bg: #eff6ff;
  --accent: #3b82f6;
  --accent-light: #93c5fd;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: "Inter", system-ui, -apple-system, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@keyframes ping-ring {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  75%,
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

.ping-ring {
  animation: ping-ring 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fade-in 0.45s ease-out both;
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slide-up 0.35s ease-out both;
}

#settings-modal.visible {
  display: flex !important;
}