/* Kumiko "neutral" theme tokens and BrowserNote space colors. */
:root {
  color-scheme: light dark;
  --font: -apple-system, BlinkMacSystemFont, system-ui, "Helvetica Neue", sans-serif;
  --label: #18181b;
  --secondary-label: #5b5b66;
  --separator: rgb(0 0 0 / 0.08);
  --accent: #3b6ef5;
  --window-background: #fbfbfc;
  --group-fill: #ffffff;
  --group-shadow: 0 0 0 1px rgb(0 0 0 / 0.07), 0 1px 2px rgb(0 0 0 / 0.04);
  --group-radius: 12px;

  --space-blue: #3478f6;
  --space-purple: #8e5bd8;
  --space-pink: #e0508f;
  --space-red: #e5484d;
  --space-orange: #f0822c;
  --space-yellow: #d9a520;
  --space-green: #30a46c;
  --space-teal: #12a5a5;
  --space-gray: #8b8d98;
}

@media (prefers-color-scheme: dark) {
  :root {
    --label: #ededf0;
    --secondary-label: #a4a4ae;
    --separator: rgb(255 255 255 / 0.08);
    --accent: #6b8cff;
    --window-background: #141417;
    --group-fill: #1c1c20;
    --group-shadow: 0 0 0 1px rgb(255 255 255 / 0.06);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 400 16px/1.6 var(--font);
  color: var(--label);
  background:
    radial-gradient(60rem 30rem at 15% -10%, color-mix(in srgb, var(--space-blue) 16%, transparent), transparent 70%),
    radial-gradient(50rem 30rem at 95% 0%, color-mix(in srgb, var(--space-purple) 14%, transparent), transparent 70%),
    var(--window-background);
  background-repeat: no-repeat;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }

header.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--label); font-weight: 700; font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
nav a { color: var(--secondary-label); font-size: 14px; margin-left: 18px; }

.hero { text-align: center; padding: 56px 0 40px; }
.hero img { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 10px 40px rgb(0 0 0 / 0.18); }
.hero h1 { font-size: clamp(32px, 6vw, 44px); line-height: 1.1; margin: 28px 0 12px; letter-spacing: -0.02em; }
.hero p { color: var(--secondary-label); font-size: 18px; margin: 0 auto; max-width: 520px; }

.swatches { display: flex; justify-content: center; gap: 8px; margin: 28px 0 0; }
.swatches span { width: 14px; height: 14px; border-radius: 50%; }

.group {
  background: var(--group-fill);
  box-shadow: var(--group-shadow);
  border-radius: var(--group-radius);
  margin: 0 0 16px;
}
.row { display: flex; gap: 14px; padding: 16px 18px; border-top: 1px solid var(--separator); }
.row:first-child { border-top: 0; }
.row .icon { flex: none; width: 28px; height: 28px; border-radius: 7px; display: grid; place-items: center; color: #fff; font-size: 15px; }
.row h3 { margin: 0; font-size: 15px; }
.row p { margin: 2px 0 0; font-size: 14px; color: var(--secondary-label); }

article { padding: 24px 0 8px; }
article h1 { font-size: 32px; line-height: 1.15; margin: 16px 0 4px; letter-spacing: -0.01em; }
article .meta { color: var(--secondary-label); font-size: 14px; margin: 0 0 24px; }
article .group { padding: 4px 22px; }
article h2 { font-size: 18px; margin: 24px 0 6px; }
article ul { padding-left: 20px; }
article li { margin: 4px 0; }

footer { color: var(--secondary-label); font-size: 13px; padding: 32px 0 48px; text-align: center; }
footer a { color: var(--secondary-label); margin: 0 8px; }