site-header {
  position: relative;
  z-index: 30;
  display: block;
  flex: none;
  height: var(--site-nav-h);
}

.site-nav {
  position: relative;
  z-index: 30;
  display: flex;
  flex: none;
  align-items: center;
  gap: clamp(10px, 2.4vw, 28px);
  height: var(--site-nav-h);
  padding-inline: clamp(12px, 2.6vw, 34px);
  background: var(--site-bg);
  border-bottom: 1px solid var(--site-border);
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--site-title);
  text-decoration: none;
  white-space: nowrap;
}

.site-brand-seal {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--site-radius);
  background: var(--site-primary);
  border: 1px solid var(--site-border-strong);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--site-primary-text);
  box-shadow: inset 0 0 0 3px #070a0970;
}

.site-brand-text {
  line-height: 1.1;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.14em;
}

.site-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 30px);
  margin-inline: auto;
}

.site-links a {
  position: relative;
  padding: 6px 2px;
  color: var(--site-muted);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s;
}

.site-links a:hover {
  color: var(--site-accent);
}

.site-links a.active {
  color: var(--site-title);
}

.site-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--site-accent),
    transparent
  );
}

.site-account {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}

.site-nav .btn {
  padding: 5px 14px;
  font-size: 12.5px;
}

.site-user {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  max-width: 34vw;
}

.site-user .hello {
  color: var(--site-muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.site-user .name {
  overflow: hidden;
  color: var(--site-accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-room {
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

.site-scroll {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  user-select: text;
  scrollbar-color: var(--site-border) transparent;
  scrollbar-width: thin;
}

.site-scroll::-webkit-scrollbar {
  width: 10px;
}

.site-scroll::-webkit-scrollbar-thumb {
  background: var(--site-border);
  border-radius: 8px;
  border: 3px solid transparent;
  background-clip: content-box;
}

.site-footer {
  margin-top: clamp(36px, 7vh, 72px);
  padding: 18px 16px 30px;
  text-align: center;
  color: var(--site-muted);
  font-size: 11px;
  letter-spacing: 0.22em;
  line-height: 2;
}

@media (max-width: 760px) {
  :root {
    --site-nav-h: 88px;
  }

  .site-nav {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: 46px 42px;
    gap: 0 12px;
    padding-inline: 16px;
  }

  .site-brand {
    grid-column: 1;
    grid-row: 1;
  }

  .site-account {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .site-user .hello,
  .site-user .name {
    display: none;
  }

  .site-brand-text {
    font-size: 13px;
  }

  .site-links {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: center;
    gap: clamp(16px, 5vw, 30px);
    margin-inline: 0;
  }

  .site-links a {
    font-size: 13px;
    letter-spacing: 0.12em;
  }

  .site-account .btn {
    padding: 4px 10px;
    font-size: 11.5px;
  }
}