/* ========================================================
   BOTTOM NAVIGATION BAR (6 TABS INCLUDING ADMIN)
   ======================================================== */
.nav {
  --i: 0;
  --tab-count: 6;
  position: fixed;
  left: 50%;
  bottom: calc(12px + var(--safe-bottom));
  z-index: 25;
  width: min(calc(100% - 20px), 480px);
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: repeat(var(--tab-count), 1fr);
  padding: 5px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: none;
  transition: border-color var(--dur-ui) ease;
}

.nav-pill {
  position: absolute;
  top: 5px;
  bottom: 5px;
  left: 5px;
  width: calc((100% - 10px) / var(--tab-count));
  border-radius: 16px;
  background: rgba(131, 125, 87, 0.22);
  border: 1px solid rgba(131, 125, 87, 0.45);
  box-shadow: none;
  transform: translateX(calc(var(--i) * 100%));
  transition: transform 420ms var(--ease-spring);
  pointer-events: none;
}

.tab {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 56px;
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--muted);
  font-family: inherit;
  font-size: var(--fs-caption);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: color var(--dur-ui) ease, transform var(--dur-press) var(--ease-out);
}

.tab svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  transition: transform var(--dur-enter) var(--ease-spring), fill var(--dur-ui) ease;
}

.tab:active {
  transform: scale(0.95);
}

.tab[aria-current="page"] {
  color: var(--text-main);
}

.tab[aria-current="page"] svg {
  fill: var(--accent-bright);
  transform: translateY(-2px) scale(1.12);
}

/* 6th Tab (Admin) is always visible */
.tab.tab-admin {
  display: flex;
}

body:not(.is-admin) .tab.tab-admin {
  display: none !important;
}

.tab-badge {
  position: absolute;
  top: 6px;
  right: calc(50% - 14px);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--status-rose);
  box-shadow: none;
}

@media (prefers-reduced-motion: reduce) {
  .nav-pill, .tab, .tab svg {
    transition: none;
  }
}