html, body { margin: 0; padding: 0; }
body.pch-public-body { background: var(--pch-ground); color: var(--pch-text); font-family: var(--pch-font); font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased; min-height: 100vh; }
html.pch-theme-dark { color-scheme: dark; }
.pch-public { display: flex; flex-direction: column; min-height: 100vh; }
.pch-public-top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--pch-surface) 92%, transparent); -webkit-backdrop-filter: saturate(1.4) blur(10px); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--pch-border); }
.pch-public-top__in { display: flex; align-items: center; gap: 14px; min-height: 60px; padding: 10px 24px; max-width: 1080px; margin: 0 auto; }
.pch-public.is-wide .pch-public-top__in, .pch-public.is-wide .pch-public-main { max-width: 1320px; }
.pch-public-brand { display: inline-flex; align-items: center; gap: 10px; min-width: 0; color: var(--pch-ink) !important; font-weight: 700; font-size: 15px; text-decoration: none !important; }
.pch-public-brand img { max-height: 32px; max-width: 160px; width: auto; height: auto; display: block; }
.pch-public-brand span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pch-public-top__nav { display: flex; align-items: center; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.pch-public-top__nav a { padding: 7px 12px; border-radius: 999px; color: var(--pch-text) !important; font-weight: 600; font-size: 13px; text-decoration: none !important; white-space: nowrap; }
.pch-public-top__nav a:hover { background: var(--pch-hover); }
.pch-public-top__nav a.is-on { background: var(--pch-accent-soft); color: var(--pch-accent) !important; }
.pch-public-main { flex: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 28px 24px 64px; box-sizing: border-box; }
.pch-public-foot { padding: 18px 24px 28px; text-align: center; font-size: 12px; color: var(--pch-faint); }
.pch-public-message { max-width: 520px; margin: 48px auto; }
.pch-public-message .pch-empty-state { background: var(--pch-surface); border: 1px solid var(--pch-border); border-radius: var(--pch-r-xl); box-shadow: var(--pch-shadow-sm); }

@media (max-width: 767px) {

  .pch-public-top__in { padding: 10px 16px 8px; flex-wrap: wrap; row-gap: 6px; min-height: 0; }
  .pch-public-top__nav:not(:empty) { margin-left: 0; width: 100%; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .pch-public-top__nav::-webkit-scrollbar { display: none; }
  .pch-public-main { padding: 18px 16px 48px; }
}