/* ── Navigation — Spoonfull Crash Companion™ ─────────────────────────────── */
#nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  height: 56px;
  background: rgba(36,36,36,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--dark-blue);
  flex-shrink: 0;
  z-index: 10;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-logo {
  height: 32px;
  width: auto;
  display: block;
}

.nav-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.3px;
  color: var(--text);
}

.nav-subtitle {
  font-size: 10px;
  color: var(--periwinkle);
  font-weight: 500;
  letter-spacing: 0.3px;
  display: block;
  margin-top: -2px;
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
  min-height: 44px;
}

.nav-tab:hover { color: var(--text); background: var(--bg-hover); }
.nav-tab.active { color: var(--accent); background: var(--accent-dim); }
.tab-icon { font-size: 16px; }

.badge {
  position: absolute;
  top: 4px;
  right: 8px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}

.nav-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: background var(--transition-fast);
  color: var(--text-muted);
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text); }

/* SVG alignment */
.tab-icon svg, .nav-logo svg, .nav-logo img { display: block; }
.icon-btn svg { display: block; }

/* Mobile icon-only logo */
.nav-mobile-icon {
  display: none;
  flex-shrink: 0;
}
.nav-mobile-icon img {
  width: 28px;
  height: 28px;
  display: block;
  border-radius: 6px;
}

@media (max-width: 480px) {
  #nav { gap: 4px; padding: 0 8px; }
  .nav-brand { display: none; }
  .nav-mobile-icon { display: flex; align-items: center; }
  .nav-tabs { flex: 1; justify-content: flex-start; gap: 1px; }
  .tab-label { font-size: 11px; }
  .nav-tab { padding: 6px 8px; gap: 3px; }
  .icon-btn { width: 36px; height: 36px; min-height: 36px; }
  .nav-actions { gap: 2px; }
}

@media (min-width: 481px) and (max-width: 639px) {
  .nav-subtitle { display: none; }
  .nav-logo { height: 24px; }
  .nav-tab { padding: 6px 10px; }
  .tab-label { font-size: 12px; }
}

@media (min-width: 640px) {
  #nav { padding: 0 24px; }
}