.sbd-public-nav {
  position: fixed;
  left: max(12px, env(safe-area-inset-left));
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: 2147483000;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid rgba(150, 162, 178, 0.32);
  border-radius: 12px;
  background: rgba(11, 14, 19, 0.92);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.38);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: #f4f6fb;
  font: 700 12px -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.sbd-public-nav a,
.sbd-public-nav button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 7px 11px;
  border: 1px solid rgba(120, 132, 148, 0.42);
  border-radius: 8px;
  background: rgba(28, 35, 45, 0.88);
  color: #f4f6fb;
  font: inherit;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.sbd-public-nav a:hover,
.sbd-public-nav button:hover {
  border-color: #e08a4f;
  background: rgba(42, 31, 22, 0.96);
}

.sbd-public-nav a:focus-visible,
.sbd-public-nav button:focus-visible {
  outline: 2px solid #e08a4f;
  outline-offset: 2px;
}

.sbd-public-nav[data-shift="up"] {
  bottom: max(92px, calc(92px + env(safe-area-inset-bottom)));
}

.sbd-skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 2147483647;
  padding: 10px 14px;
  border-radius: 8px;
  background: #f4f6fb;
  color: #0b0e13;
  font: 700 14px -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  text-decoration: none;
  transform: translateY(-160%);
}

.sbd-skip-link:focus {
  transform: translateY(0);
}

.sbd-site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(10, 13, 20, 0.88);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  color: #f3f4f7;
}

.sbd-site-header__inner {
  width: min(1200px, calc(100% - 40px));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.sbd-site-brand,
.sbd-site-links a,
.sbd-site-return a,
.sbd-section-nav a {
  color: inherit;
  text-decoration: none;
}

.sbd-site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  white-space: nowrap;
}

.sbd-site-brand__mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: #e08a4f;
  font: 800 11px/1 "SFMono-Regular", Consolas, monospace;
  letter-spacing: -0.08em;
}

.sbd-site-brand__word {
  font: 700 13px/1 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  letter-spacing: 0.02em;
}

.sbd-site-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.sbd-site-links a,
.sbd-section-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 10px;
  border-radius: 7px;
  color: rgba(243, 244, 247, 0.68);
  font: 700 11px/1 "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  white-space: nowrap;
}

.sbd-site-links a:hover,
.sbd-section-nav a:hover,
.sbd-site-links a[aria-current="page"],
.sbd-section-nav a[aria-current="page"] {
  background: rgba(224, 138, 79, 0.12);
  color: #f3f4f7;
}

.sbd-site-brand:focus-visible,
.sbd-site-links a:focus-visible,
.sbd-site-return a:focus-visible,
.sbd-section-nav a:focus-visible {
  outline: 2px solid #e08a4f;
  outline-offset: 2px;
}

.sbd-site-return {
  position: relative;
  z-index: 90;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 6px max(16px, env(safe-area-inset-left));
  border-bottom: 1px solid rgba(150, 162, 178, 0.24);
  background: rgba(11, 14, 19, 0.94);
  color: #f4f6fb;
  font: 700 12px/1.35 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.sbd-site-return a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 6px;
  border-radius: 6px;
}

.sbd-site-return a:hover {
  background: rgba(224, 138, 79, 0.12);
  color: #fff;
}

.sbd-site-return__separator {
  color: rgba(244, 246, 251, 0.42);
}

.sbd-site-return__current {
  color: rgba(244, 246, 251, 0.68);
}

.sbd-section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #f3f4f7;
}

@media (max-width: 680px) {
  .sbd-site-header__inner {
    width: calc(100% - 24px);
    padding: 8px 0 10px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .sbd-site-brand {
    justify-self: start;
  }

  .sbd-site-links {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
  }

  .sbd-site-links a,
  .sbd-section-nav a {
    min-width: 0;
    padding: 0 4px;
    font-size: 10px;
    white-space: normal;
    text-align: center;
  }

  .sbd-section-nav {
    width: calc(100% - 24px);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sbd-public-nav {
    left: max(10px, env(safe-area-inset-left));
    bottom: max(10px, env(safe-area-inset-bottom));
    gap: 5px;
    padding: 5px;
  }

  .sbd-public-nav a,
  .sbd-public-nav button {
    min-height: 44px;
    padding: 7px 10px;
  }

  .sbd-public-nav[data-shift="up"] {
    bottom: max(112px, calc(112px + env(safe-area-inset-bottom)));
  }
}

@media print {
  .sbd-public-nav,
  .sbd-site-header,
  .sbd-site-return,
  .sbd-section-nav,
  .sbd-skip-link {
    display: none !important;
  }
}