#nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 52px;
  background: var(--nav-bg);
  border-top: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.nav-btn {
  background: none;
  border: none;
  color: var(--text3);
  font-size: 16px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  padding: 0 18px;
  height: 52px;
  transition: color 0.2s, background 0.2s;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav-btn:hover { color: var(--text); background: var(--nav-hover-bg); }
.nav-btn.active { color: var(--blue); }

.nav-sep {
  width: 1px;
  height: 20px;
  background: var(--nav-sep);
}

.nav-arrow {
  background: none;
  border: none;
  color: var(--blue);
  cursor: pointer;
  padding: 0 22px;
  height: 52px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}

.nav-arrow .material-symbols-rounded {
  font-size: 25px;
  font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 125, 'opsz' 24;
  color: inherit;
}

.nav-arrow:hover { color: var(--coral); }