* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition:
    background-color var(--transition-medium) ease,
    color var(--transition-medium) ease,
    border-color var(--transition-medium) ease;
}

:root {
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

body {
  font-family:
    "LXGW Wenkai Mono",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background-color: var(--md-sys-color-background);
  color: var(--md-sys-color-on-background);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(
      circle at 30% 80%,
      rgba(103, 80, 164, 0.05) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(0, 188, 212, 0.05) 0%,
      transparent 50%
    );
  pointer-events: none;
  z-index: 0;
}

[data-theme="dark"] body::before {
  background:
    radial-gradient(
      circle at 30% 80%,
      rgba(208, 188, 255, 0.03) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(77, 208, 225, 0.03) 0%,
      transparent 50%
    );
}

[data-theme="dark"] {
  color-scheme: dark;
}

:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

::selection {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

[data-theme="dark"] ::selection {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--md-sys-color-surface-container);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb {
  background: var(--md-sys-color-primary);
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-primary);
}

[data-theme="dark"]::-webkit-scrollbar-track {
  background: var(--md-sys-color-surface-container);
}

[data-theme="dark"]::-webkit-scrollbar-thumb {
  background: var(--md-sys-color-primary);
}

[data-theme="dark"]::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-primary);
}

input::placeholder {
  font-family:
    "LXGW Wenkai Mono",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 12px;
  color: var(--md-sys-color-on-surface-variant);
  margin-left: 4px;
}

[data-theme="dark"] input:-webkit-autofill,
[data-theme="dark"] input:-webkit-autofill:hover,
[data-theme="dark"] input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--md-sys-color-on-surface);
  -webkit-box-shadow: 0 0 0px 1000px var(--md-sys-color-surface-container) inset;
  transition: background-color 5000s ease-in-out 0s;
}

.btn,
.card,
.theme-toggle {
  will-change: transform;
}

.btn:not(:hover),
.card:not(:hover),
.theme-toggle:not(:hover) {
  will-change: auto;
}

button:active,
.btn:active,
.card:active {
  transform: scale(0.98);
}

* {
  transition:
    background-color var(--transition-medium) ease,
    color var(--transition-medium) ease,
    border-color var(--transition-medium) ease,
    box-shadow var(--transition-medium) ease;
}