.site-shell {
  width: min(var(--site-max-width), calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 34px;
}

.site-shell.narrow {
  width: min(480px, calc(100% - 32px));
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 22px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.86);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--color-primary);
  font-weight: var(--weight-brand);
  text-decoration: none;
}

.site-brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-card-strong);
  box-shadow: inset 0 0 0 1px var(--color-border);
}

.site-brand-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav-wrap {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: var(--weight-nav);
}

.site-nav-link,
.site-auth-link,
.site-auth-logout {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: var(--weight-nav);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--motion-gentle) ease-out, color var(--motion-gentle) ease-out, transform var(--motion-gentle) ease-out;
}

.site-nav-link:hover,
.site-nav-link:focus-visible,
.site-auth-link:hover,
.site-auth-link:focus-visible,
.site-auth-logout:hover,
.site-auth-logout:focus-visible {
  color: var(--color-primary-hover);
  background: rgba(255, 255, 255, 0.76);
  transform: translateY(-1px);
}

.site-nav-link[aria-current="page"],
.site-auth-link[aria-current="page"] {
  color: var(--color-primary-hover);
  background: rgba(255, 255, 255, 0.76);
}

.site-auth {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: var(--weight-nav);
}

.site-auth-user {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-primary-hover);
}

.site-main {
  display: grid;
  gap: 28px;
}

.site-game-nav {
  position: fixed;
  left: max(14px, env(safe-area-inset-left));
  top: max(14px, env(safe-area-inset-top));
  z-index: 80;
  width: auto;
  max-width: calc(100vw - 28px);
  pointer-events: none;
}

.site-game-nav .site-header {
  position: static;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  width: auto;
  margin: 0;
  padding: 6px 8px;
  border-radius: var(--radius-pill);
  pointer-events: auto;
}

.site-game-nav .site-nav-wrap {
  display: none;
}

.site-game-nav .site-brand-mark {
  width: 28px;
  height: 28px;
  font-size: 12px;
}

.site-game-nav .site-brand-text {
  display: none;
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100% - 24px, var(--site-max-width));
    padding-top: 12px;
  }

  .site-header {
    align-items: center;
    flex-wrap: wrap;
    border-radius: 22px;
  }

  .site-nav-wrap,
  .site-nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
  }

  .site-nav-wrap { align-items: flex-start; }

  .site-auth {
    flex-wrap: wrap;
  }

  .site-game-nav {
    display: none;
  }
}