/* ============================= */
/* TOPBAR */
/* ============================= */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-h);
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--cobalt);
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 var(--pad-x);
  z-index: 100;
}

.tb-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.16em;
  font-family: var(--f-mono);
  font-weight: 700;
}

.tb-dot {
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2.4s ease-in-out infinite;
}

.tb-meta {
  font-size: 11px;
  color: rgba(230, 237, 243, 0.65);
  letter-spacing: 0.08em;
  display: flex;
  gap: 10px;
  text-transform: uppercase;
  font-family: var(--f-mono);
  font-weight: 700;
}
.tb-name { color: var(--ghost); }
.tb-sep { opacity: 0.4; }
.tb-spacer { flex: 1; }

.tb-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--f-mono);
  font-weight: 700;
}
.tb-nav a {
  color: rgba(230, 237, 243, 0.6);
  transition: color 0.2s;
}
.tb-nav a:hover,
.tb-nav a:focus-visible { color: var(--gold); }
.tb-num { color: var(--gold); opacity: 0.6; margin-right: 6px; }

.lang-toggle {
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--gold);
  border: 1px solid rgba(196, 154, 60, 0.4);
  padding: 6px 10px;
  border-radius: 2px;
  transition: all 0.2s;
  font-family: var(--f-mono);
  font-weight: 700;
}
.lang-toggle:hover,
.lang-toggle:focus-visible {
  background: var(--gold);
  color: var(--navy);
}

@media (max-width: 760px) {
  .tb-meta { display: none; }
  .tb-nav { gap: 12px; }
  .tb-num { display: none; }
}