/* ═══════════════════════════════════════════
   NAV.CSS — Navigation bar
═══════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 200;
  background: rgba(249,248,245,.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  transition: background var(--t-med), box-shadow var(--t-med);
}
[data-dark="true"] .nav {
  background: rgba(17,16,8,.85);
}
.nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.06); }

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--gap-md);
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Avatar */
.nav-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--border2);
  transition: border-color var(--t-med);
}
.nav-avatar:hover { border-color: var(--accent); }
.nav-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.nav-link {
  padding: 6px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  transition: all var(--t-fast);
  white-space: nowrap;
}
.nav-link:hover { color: var(--text); background: var(--bg2); }
.nav-link.active {
  color: var(--accent);
  background: var(--accentbg);
  font-weight: 600;
}

/* Right controls */
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-btn {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  border: 1px solid var(--border);
  transition: all var(--t-fast);
}
.nav-btn:hover { color: var(--text); background: var(--bg2); border-color: var(--border2); }

/* Mobile */
@media (max-width: 640px) {
  .nav-link span { display: none; }
  .nav-link { padding: 6px 10px; font-size: 11px; }
}