/* =====================================================================
   BYB — Mobile bottom tab bar
   App-niveau navigatie (Dashboard / Zelfcoach / Crewcoach / Account).
   Alleen actief onder 768px — dezelfde breakpoint waarop de navbar
   inklapt. Geen JavaScript.
   ===================================================================== */

.byb-bottom-nav { display: none; }

@media (max-width: 767px) {

  .byb-bottom-nav {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 1040;
    background: var(--card-bg, #ffffff);
    border-top: 1px solid var(--color-border, #E2E8F0);
    box-shadow: 0 -2px 12px rgba(15, 23, 42, 0.06);
    /* Ruimte voor de home-indicator van de iPhone. Werkt alleen als de
       viewport-meta viewport-fit=cover heeft (staat in base.html). */
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .byb-bottom-nav .bn-item {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 8px 4px 7px;
    min-height: 54px;
    text-decoration: none !important;
    color: var(--color-text-secondary, #64748B);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: -0.1px;
    line-height: 1.1;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.15s ease;
  }

  .byb-bottom-nav .bn-item i {
    font-size: 17px;
    line-height: 1;
  }

  .byb-bottom-nav .bn-item span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }

  .byb-bottom-nav .bn-item.active { color: #089ba6; }
  .byb-bottom-nav .bn-item:active { opacity: 0.6; }

  /* Content mag niet achter de balk verdwijnen. */
  body {
    padding-bottom: calc(54px + env(safe-area-inset-bottom, 0px));
  }

}

/* Dark mode */
[data-bs-theme="dark"] .byb-bottom-nav {
  background: #14181c;
  border-top-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.35);
}
[data-bs-theme="dark"] .byb-bottom-nav .bn-item { color: #94A3B8; }
[data-bs-theme="dark"] .byb-bottom-nav .bn-item.active { color: #2ec7d1; }