:root {
  color-scheme: dark;
  --void-950: #030205;
  --void-900: #07050a;
  --void-850: #0c0811;
  --purple-900: #150b21;
  --purple-800: #241036;
  --purple-600: #5b2a78;
  --gold-100: #f2e3ba;
  --gold-300: #d8bc78;
  --gold-500: #b88a3f;
  --gold-700: #735222;
  --cyan-300: #7fe8e1;
  --cyan-500: #39bdb7;
  --crimson-500: #a83b55;
  --ink: #eee8da;
  --muted: #b9aa8b;
  --panel: rgba(8, 5, 12, 0.88);
  --panel-soft: rgba(18, 10, 27, 0.68);
  --line-gold: rgba(216, 188, 120, 0.42);
  --line-gold-strong: rgba(216, 188, 120, 0.78);
  --glow-gold: 0 0 24px rgba(184, 138, 63, 0.28);
  --glow-purple: 0 0 34px rgba(91, 42, 120, 0.34);
  --safe-top: max(16px, env(safe-area-inset-top));
  --safe-right: max(16px, env(safe-area-inset-right));
  --safe-bottom: max(20px, env(safe-area-inset-bottom));
  --safe-left: max(16px, env(safe-area-inset-left));
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --font-display: "Yu Mincho", "Hiragino Mincho ProN", "Times New Roman", serif;
  --font-body: "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  --font-system: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--void-950);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% -10%, rgba(91, 42, 120, 0.26), transparent 42%),
    radial-gradient(circle at 10% 76%, rgba(57, 189, 183, 0.06), transparent 30%),
    linear-gradient(180deg, var(--void-900), var(--void-950));
  font-family: var(--font-body);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--cyan-300);
  outline-offset: 4px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.08em;
}

[hidden] {
  display: none !important;
}

::selection {
  color: var(--void-950);
  background: var(--gold-300);
}