/* Scoped public-page navigation; never matches the Cesium flight HUD. */
header.sn-header, footer.sn-footer {
  box-sizing: border-box;
  width: min(1080px, calc(100% - 36px));
  margin: 0 auto;
  color: #dce7ec;
  font: 400 13px/1.5 Inter, 'Noto Sans KR', system-ui, sans-serif;
}
.sn-header *, .sn-footer * { box-sizing: border-box; }
header.sn-header { display: block; padding: 20px 0 12px; border-bottom: 1px solid #ffffff1c; }
.sn-header .sn-top { position: relative; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; }
.sn-header .sn-brand { display: inline-flex; align-items: center; min-height: 44px; color: #edf2f7; font-size: 23px; font-weight: 650; letter-spacing: -.05em; text-decoration: none; }
.sn-header .sn-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; min-width: 0; }
.sn-header a, .sn-footer a { text-decoration: none; }
.sn-header .sn-launch { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 16px; gap: 10px; color: #172f3e; background: #dcebef; border: 1px solid #a2c9d544; border-radius: 24px; font-weight: 650; }
.sn-header .sn-launch:hover { color: #172f3e; background: #fff; }
.sn-header .sn-links, .sn-footer .sn-links { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: stretch; margin: 0; padding: 0; }
.sn-header .sn-links { margin-top: 12px; }
.sn-header .sn-links a, .sn-footer .sn-links a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 11px; margin: 0; color: #b8c8d1; border: 1px solid transparent; border-radius: 9px; line-height: 1.5; overflow-wrap: anywhere; }
.sn-header .sn-links a:hover, .sn-footer .sn-links a:hover { background: #ffffff08; color: #fff; }
.sn-header .sn-links a[aria-current='page'], .sn-footer .sn-links a[aria-current='page'] { color: #e0f2f6; border-color: #b4d7e138; background: #bddce70c; text-decoration: underline; text-underline-offset: 4px; }
.sn-header .sn-language { position: static; border: 0; margin: 0; padding: 0; }
.sn-header .sn-language summary { display: list-item; cursor: pointer; min-height: 44px; padding: 12px 6px; font-size: 12px; color: #c1d3de; }
.sn-header .sn-language-list { position: absolute; right: 0; top: 100%; z-index: 30; display: flex; flex-direction: column; width: min(200px, calc(100vw - 36px)); padding: 6px; background: #162530; border: 1px solid #ffffff2a; border-radius: 13px; box-shadow: 0 12px 30px #0005; }
.sn-header .sn-language-list a { display: flex; align-items: center; min-height: 44px; padding: 9px 12px; color: #dce7ec; border-radius: 8px; }
.sn-header .sn-language-list a[aria-current], .sn-header .sn-language-list a:hover { background: #ffffff0c; }
.sn-header :is(a, summary):focus-visible, .sn-footer a:focus-visible { outline: 2px solid #a2dde9; outline-offset: 2px; }
footer.sn-footer { display: block; padding: 22px 0 max(26px, env(safe-area-inset-bottom)); border-top: 1px solid #ffffff1c; }
.sn-footer .sn-footer-brand { display: block; margin-bottom: 12px; color: #9fb8c6; font-size: 12px; }
.sn-footer .sn-links { font-size: 12px; }
a.sn-skip { position: fixed; top: -100px; left: max(18px, env(safe-area-inset-left)); z-index: 100; background: #fff; color: #102532; padding: 10px 16px; border-radius: 6px; font: 14px/1.5 system-ui, sans-serif; }
a.sn-skip:focus { top: 10px; }
@media (max-width: 760px) {
  .sn-header .sn-links, .sn-footer .sn-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; }
  .sn-header .sn-links a, .sn-footer .sn-links a { padding: 8px 5px; justify-content: center; text-align: center; font-size: 12px; }
  .sn-header .sn-top { gap: 4px 10px; }
  .sn-header .sn-actions { gap: 6px; }
  .sn-header .sn-launch { padding: 10px 12px; font-size: 12px; }
}
@media (max-width: 340px) {
  .sn-header .sn-brand { font-size: 21px; }
  .sn-header .sn-links a, .sn-footer .sn-links a { padding-inline: 3px; }
}
@supports (padding: max(0px)) {
  header.sn-header, footer.sn-footer {
    width: min(1080px, calc(100% - max(18px, env(safe-area-inset-left)) - max(18px, env(safe-area-inset-right))));
  }
}
@media print { header.sn-header, footer.sn-footer, a.sn-skip { display: none; } }

nav.guide-related a { display: inline-flex; align-items: center; min-height: 44px; padding-block: 8px; }