/* Unified global navigation and contextual conference subnavigation. */
.site-account [hidden] { display: none !important; }

.site-account {
  position: relative;
  flex: 0 0 auto;
  font: 11px "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.site-account--mobile { display: none; }

.site-account__signin,
.site-account__menu > summary {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid #0a0a0a;
  background: #f6f3ee;
  color: #0a0a0a;
  padding: 0 14px;
  font-weight: 700;
  letter-spacing: .7px;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-account__signin:hover,
.site-account__signin:focus-visible,
.site-account__menu > summary:hover,
.site-account__menu > summary:focus-visible {
  background: #0a0a0a;
  color: #fff;
  outline: 0;
}

.site-account__menu { position: relative; }
.site-account__menu > summary { cursor: pointer; list-style: none; text-transform: none; }
.site-account__menu > summary::-webkit-details-marker { display: none; }

.site-account__menu > summary img,
.site-account__menu > summary > span {
  display: inline-flex;
  width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  border: 1px solid #0a0a0a;
  background: #f9af5e;
  font-weight: 800;
  object-fit: cover;
}

.site-account__menu > summary b {
  display: block;
  max-width: 112px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-account__menu > summary i { font-style: normal; transition: transform .15s ease; }
.site-account__menu[open] > summary i { transform: rotate(180deg); }

.site-account__popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 70;
  display: grid;
  width: min(290px, calc(100vw - 32px));
  border: 1px solid #0a0a0a;
  background: #f6f3ee;
  box-shadow: 6px 6px 0 #0a0a0a;
}

.site-account__identity {
  display: grid;
  gap: 2px;
  padding: 15px 16px;
  border-bottom: 1px solid #0a0a0a;
}

.site-account__identity strong,
.site-account__identity span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-account__identity strong { font-size: 13px; }
.site-account__identity span { color: #6c675f; font-size: 10px; }

.site-account__popover > a,
.site-account__popover form button {
  display: flex;
  width: 100%;
  min-height: 42px;
  align-items: center;
  border: 0;
  border-bottom: 1px solid rgba(10, 10, 10, .16);
  background: transparent;
  color: #0a0a0a;
  padding: 0 16px;
  font: 600 11px "IBM Plex Mono", ui-monospace, monospace;
  text-align: left;
  text-decoration: none;
  text-transform: none;
  cursor: pointer;
}

.site-account__popover form,
.site-account__popover form button { margin: 0; }
.site-account__popover form button { border-bottom: 0; color: #a52b1e; }
.site-account__popover > a:hover,
.site-account__popover > a:focus-visible,
.site-account__popover form button:hover,
.site-account__popover form button:focus-visible { background: #f9af5e; color: #0a0a0a; outline: 0; }

.site-conf-nav {
  position: sticky;
  top: calc(var(--btcpp-site-nav-top) + 68px);
  z-index: 39;
  display: flex;
  min-height: 50px;
  align-items: stretch;
  border-bottom: 1px solid #0a0a0a;
  background: #0a0a0a;
  color: #f6f3ee;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.site-conf-nav a { color: inherit; }
.site-conf-nav__identity {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  max-width: 340px;
  padding: 0 24px;
  border-right: 3px solid #f9af5e;
  background: #24211e;
  color: #f6f3ee !important;
  text-decoration: none;
}

.site-conf-nav__identity span { color: #f9af5e; font-size: 8px; font-weight: 700; letter-spacing: 1.2px; }
.site-conf-nav__identity strong { overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.site-conf-nav__context {
  display: flex;
  flex: 0 0 auto;
  min-width: 142px;
  flex-direction: column;
  justify-content: center;
  padding: 0 22px;
  border-right: 1px solid rgba(246, 243, 238, .24);
  background: #f6f3ee;
  color: #0a0a0a;
  text-transform: uppercase;
}
.site-conf-nav__context span {
  color: #766f65;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 1.1px;
}
.site-conf-nav__context strong {
  margin-top: 2px;
  font-size: 12px;
  letter-spacing: .5px;
}
.site-conf-nav--hackathon .site-conf-nav__identity {
  max-width: 300px;
  border-right-width: 1px;
}
.site-conf-nav__event-back { display: none !important; }
.site-conf-nav__links {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 26px;
  overflow-x: auto;
  padding: 0 24px;
  scrollbar-width: none;
}

.site-conf-nav__links::-webkit-scrollbar { display: none; }
.site-conf-nav__links a {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 50px;
  border-bottom: 3px solid transparent;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}
.site-conf-nav__links a:hover,
.site-conf-nav__links a:focus-visible,
.site-conf-nav__links a.is-active {
  border-bottom-color: #f9af5e;
  background: rgba(249, 175, 94, .1);
  color: #f9af5e;
}
html:has(body .site-conf-nav) { --btcpp-anchor-offset: calc(152px + var(--btcpp-site-banner-height)); }

@media (max-width: 1120px) {
  .site-nav__inner { padding-right: 24px; padding-left: 24px; }
  .site-nav__links { gap: 14px; }
  .site-nav__links > a { font-size: 11px; }
  .site-account__menu > summary b { display: none; }
}

@media (max-width: 900px) {
  .site-nav { --btcpp-mobile-menu-chrome-height: 92px; }
  .site-nav__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .site-nav__controls { grid-column: 2; grid-row: 1; }
  .site-nav__menu { display: inline-flex; }
  .site-account--desktop { display: none; }
  .site-nav__links {
    display: none;
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
    gap: 0;
    max-height: calc(100vh - var(--btcpp-site-nav-top) - var(--btcpp-mobile-menu-chrome-height));
    max-height: calc(100dvh - var(--btcpp-site-nav-top) - var(--btcpp-mobile-menu-chrome-height));
    margin: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 12px 4px 20px 0;
    border-top: 1px solid #0a0a0a;
    scrollbar-gutter: stable;
    -webkit-overflow-scrolling: touch;
  }
  .site-nav__toggle:checked ~ .site-nav__links { display: grid; }
  .site-nav__links > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 48px;
    margin-top: 8px;
    padding: 0 14px;
    border: 1px solid #0a0a0a;
    background: #fffdf8;
    box-shadow: 3px 3px 0 #0a0a0a;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
  }
  .site-nav__links > a::after { color: #f9af5e; content: "→"; font-size: 18px; }
  .site-nav__links > a:hover,
  .site-nav__links > a:focus-visible { background: #f9af5e; color: #0a0a0a; }
  .site-nav__links > a:hover::after,
  .site-nav__links > a:focus-visible::after { color: #0a0a0a; }
  .site-account--mobile {
    display: block;
    width: 100%;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(10, 10, 10, .28);
  }
  .site-account--mobile .site-account__signin,
  .site-account--mobile .site-account__menu > summary {
    width: 100%;
    min-height: 48px;
    justify-content: flex-start;
    background: #0a0a0a;
    color: #f6f3ee;
  }
  .site-account--mobile .site-account__menu > summary b {
    display: block;
    max-width: none;
  }
  .site-account--mobile .site-account__menu > summary i { margin-left: auto; }
  .site-account--mobile .site-account__popover {
    position: static;
    width: 100%;
    margin-top: 8px;
    box-shadow: 3px 3px 0 #0a0a0a;
  }
  body:has(.site-conf-nav) { padding-bottom: calc(58px + env(safe-area-inset-bottom)); }
  .site-conf-nav {
    position: fixed;
    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 60;
    min-height: calc(58px + env(safe-area-inset-bottom));
    border-top: 1px solid rgba(246, 243, 238, .28);
    border-bottom: 0;
    box-shadow: 0 -8px 24px rgba(10, 10, 10, .2);
  }
  .site-conf-nav__identity { display: none; }
  .site-conf-nav__context { display: none; }
  .site-conf-nav__event-back { display: inline-flex !important; color: #f9af5e !important; }
  .site-conf-nav__links {
    width: 100%;
    gap: 0;
    padding: 0 10px env(safe-area-inset-bottom);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-padding-inline: 10px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }
  .site-conf-nav__links a {
    min-height: 58px;
    padding: 0 15px;
    border-right: 1px solid rgba(246, 243, 238, .16);
    border-bottom: 3px solid transparent;
    font-size: 11px;
    scroll-snap-align: start;
  }
  .site-conf-nav__links a:last-child { border-right: 0; }
  .site-conf-nav__links a:hover,
  .site-conf-nav__links a:focus-visible { background: rgba(249, 175, 94, .12); }
  .site-conf-nav__links a.is-active {
    border-bottom-color: #f9af5e;
    background: #f9af5e;
    color: #0a0a0a;
  }
  html:has(body .site-conf-nav) { --btcpp-anchor-offset: calc(112px + var(--btcpp-site-banner-height)); }
}

@media (max-width: 640px) {
  .site-nav { --btcpp-mobile-menu-chrome-height: 92px; }
  .site-nav__inner { grid-template-columns: minmax(0, 1fr) auto auto; padding: 12px 16px; }
  .site-nav__controls { display: contents; }
  .site-nav__cta { grid-column: 2; grid-row: 1; justify-self: end; }
  .site-nav__menu { grid-column: 3; grid-row: 1; justify-self: end; }
  .site-nav__links { grid-row: 2; }
}