.brandbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--book-border);
  background: color-mix(in srgb, var(--book-card) 94%, transparent);
  backdrop-filter: blur(14px);
}

.brand-inner {
  box-sizing: border-box;
  display: flex;
  width: min(1280px, 100%);
  min-height: 45px;
  margin: 0 auto;
  padding: 5px 16px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand,
.brandbar a {
  text-decoration: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: color-mix(in srgb, var(--book-text) 82%, var(--book-accent));
  font-size: 18px;
}

.brand-logo {
  display: block;
  width: 28px;
  height: 28px;
  overflow: visible;
}

.nav-bee {
  --nav-bee-x: 0px;
  --nav-bee-y: 0px;
  --nav-bee-tilt: 0deg;
  display: inline-block;
  flex: 0 0 auto;
  transform: translate3d(var(--nav-bee-x), var(--nav-bee-y), 0) rotate(var(--nav-bee-tilt));
  transition: transform 180ms cubic-bezier(.2, .8, .2, 1);
  will-change: transform;
}

.nav-bee > .bee-svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  transform-origin: center;
  animation: nav-bee-float 3.4s ease-in-out infinite;
}

.nav-bee > .nav-bee-logo {
  --bee-float-small: -1px;
  --bee-float-large: -2px;
  display: block;
  width: 100%;
  height: 100%;
}

.nav-bee > .bee-svg .bee-wing-left {
  animation: nav-bee-wing-left .12s ease-in-out infinite;
  transform-origin: 9px 16px;
}

.nav-bee > .bee-svg .bee-wing-right {
  animation: nav-bee-wing-right .12s ease-in-out infinite;
  transform-origin: 23px 16px;
}

@keyframes nav-bee-float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-1px) rotate(-1deg);
  }
  50% {
    transform: translateY(-2px) rotate(0deg);
  }
  75% {
    transform: translateY(-1px) rotate(1deg);
  }
}

@keyframes nav-bee-wing-left {
  0%, 100% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(-7deg);
  }
}

@keyframes nav-bee-wing-right {
  0%, 100% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(7deg);
  }
}

.brand-actions {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: 6px;
}

.brand-actions nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-actions nav :is(a, button) {
  padding: 6px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--book-secondary);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background .15s, color .15s;
}

.brand-actions nav :is(a, button):hover,
.brand-actions nav :is(a, button)[aria-current="page"] {
  background: color-mix(in srgb, var(--book-text) 5%, transparent);
  color: var(--book-accent);
}

.mobile-menu-button {
  display: none;
  width: 32px;
  height: 32px;
  padding: 6px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--book-secondary);
  cursor: pointer;
}

.mobile-menu-button:hover {
  background: color-mix(in srgb, var(--book-text) 5%, transparent);
}

.mobile-menu-button svg {
  display: block;
  width: 20px;
  height: 20px;
}

.mobile-menu {
  display: none;
}

.mobile-menu[hidden],
.auth-signout[hidden] {
  display: none;
}

@media (max-width: 1000px) {
  .brand-actions nav {
    gap: 6px;
  }
}

@media (max-width: 760px) {
  .brand-actions nav {
    display: none;
  }

  .mobile-menu-button {
    display: block;
  }

  .mobile-menu {
    flex-direction: column;
    gap: 0;
    padding: 8px 16px 12px;
    border-top: 1px solid var(--book-border);
    background: var(--book-card);
  }

  .mobile-menu:not([hidden]) {
    display: flex;
  }

  .mobile-menu :is(a, button) {
    display: block;
    width: 100%;
    padding: 9px 0;
    border: 0;
    background: transparent;
    color: var(--book-secondary);
    font: inherit;
    font-size: 14px;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
  }

  .mobile-menu :is(a, button):hover,
  .mobile-menu :is(a, button)[aria-current="page"] {
    color: var(--book-accent);
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-bee,
  .nav-bee > .bee-svg,
  .nav-bee > .nav-bee-logo,
  .nav-bee .bee-wing-left,
  .nav-bee .bee-wing-right {
    animation: none;
    transition: none;
  }
}