:root {
  --background: #ffffff;
  --foreground: #171717;
  --muted-background: #fafafa;
  --subtle-background: #ffffff;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --topbar-bg: rgba(255, 255, 255, 0.92);
  --hero-start: #ffffff;
  --hero-end: #fafafa;
  --border: #eaeaea;
  --border-light: #ededed;
  --text-primary: #171717;
  --text-secondary: #525252;
  --text-tertiary: #8f8f8f;
  --accent: #000000;
  --accent-subtle: #f5f5f5;
  --success-subtle: #f0fdf4;
  --success: #1f8f4d;
  --danger: #d93036;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --card-shadow: 0 1px 2px rgb(0 0 0 / 4%);
  --font-main: Geist, Inter, ui-sans-serif, system-ui, sans-serif;
  --font-heading: Geist, Inter, ui-sans-serif, system-ui, sans-serif;
  --skin-note: "Vercel";
}

[data-skin="dim"] {
  --background: #16181d;
  --foreground: #e7e9ee;
  --muted-background: #20232a;
  --subtle-background: #1b1e24;
  --surface: #1c1f26;
  --surface-elevated: #232731;
  --topbar-bg: rgba(22, 24, 29, 0.86);
  --hero-start: #20242d;
  --hero-end: #16181d;
  --border: #323742;
  --border-light: #2b303a;
  --text-primary: #f0f2f5;
  --text-secondary: #b9c0cc;
  --text-tertiary: #858e9d;
  --accent: #d7dce6;
  --accent-subtle: rgba(215, 220, 230, 0.12);
  --success-subtle: rgba(104, 179, 132, 0.14);
  --success: #8fd4a8;
  --danger: #f18a8f;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --card-shadow: 0 1px 2px rgb(0 0 0 / 18%);
  --skin-note: "Dim";
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-main);
  font-size: 14px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  transition: background-color 180ms ease, color 180ms ease;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

::selection {
  background: var(--accent-subtle);
  color: var(--text-primary);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.ui-scrollbar {
  scrollbar-color: color-mix(in srgb, var(--text-tertiary) 44%, transparent) transparent;
  scrollbar-width: thin;
}

.ui-scrollbar::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

.ui-scrollbar::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background-clip: padding-box;
  background-color: color-mix(in srgb, var(--text-tertiary) 38%, transparent);
}

.ui-scrollbar::-webkit-scrollbar-thumb:hover {
  background-color: color-mix(in srgb, var(--text-secondary) 58%, transparent);
}