/* ============================================================
 * LifeOS — Shared Bottom Tab Navigation
 * ============================================================ */

.bottom-nav {
  display: flex;
  background: #141417;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  flex-shrink: 0;
  z-index: 200;
}

/* Fixed variant — used on scrollable pages (dashboard) */
.bottom-nav--fixed {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
}

.nav-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 56px;
  padding: 8px 4px;
  text-decoration: none;
  color: #52526a;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  background: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.15s ease;
  position: relative;
}

.nav-tab:hover {
  color: #9494a8;
}

.nav-tab.active {
  color: #6366f1;
}

/* Active indicator pill above icon */
.nav-tab.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 2px;
  background: #6366f1;
  border-radius: 0 0 2px 2px;
}

.nav-tab svg {
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.nav-tab:active svg {
  transform: scale(0.9);
}

/* Coach tab — mic accent when active */
.nav-tab.active[data-tab="coach"] {
  color: #34D399;
}
.nav-tab.active[data-tab="coach"]::before {
  background: #34D399;
}

/* Vault tab — purple accent when active */
.nav-tab.active[data-tab="vault"] {
  color: #818CF8;
}
.nav-tab.active[data-tab="vault"]::before {
  background: #818CF8;
}

/* Account tab — amber accent when active */
.nav-tab.active[data-tab="account"] {
  color: #F59E0B;
}
.nav-tab.active[data-tab="account"]::before {
  background: #F59E0B;
}