/* Shared paper-and-ink palette, typography, and keyboard affordances. */
:root {
  color-scheme: light;
  --bg: #fafaf7; --panel: #fff; --panel2: #f0f2f5;
  --ink: #282b31; --dim: #5e636d; --faint: #656b75; --border: #dfe2e6;
  --accent: #3455a4; --accent-soft: #edf0f8;
  --basic: #24756c; --electric: #3455a4; --magnetic: #a7503d; --induction: #73538d;
  --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
::selection { background: #dbe4fc; color: #203d84; }
.skip-link { position: fixed; top: 8px; left: 16px; z-index: 100; padding: 12px 18px; background: var(--accent); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; font-size: 17px; font-weight: 700; letter-spacing: 1px; }
.brand small { display: block; margin-top: 4px; font-size: 10px; color: var(--faint); font-weight: 400; letter-spacing: 2px; }
.brand-mark { position: relative; font-family: Georgia, serif; font-style: italic; font-size: 37px; font-weight: 700; line-height: 1; color: var(--accent); letter-spacing: -5px; width: 46px; }
.brand-mark span { position: relative; top: 3px; }
.brand-mark i { position: absolute; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; top: 0; right: 0; }
.eyebrow { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 1.6px; color: var(--faint); }
.status-dot { display: inline-block; width: 6px; height: 6px; background: currentColor; border-radius: 50%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}