/* BottomNav — v3 PREMIUM */

:root { --bn-h: 94px; }

/* Reserva espaço pro menu fixo */
.app-body  { padding-bottom: calc(var(--bn-h) + env(safe-area-inset-bottom, 0px)); }
.app-main  { padding-bottom: calc(var(--bn-h) + 16px + env(safe-area-inset-bottom, 0px)); }

/* ---- Container ---- */
.bottomnav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;

  padding: 9px 10px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(241, 245, 251, 0.90);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.06), 0 -1px 0 rgba(15, 23, 42, 0.05);

  display: flex;
  gap: 8px;
}

/* Dark mode */
body.dark .bottomnav {
  background: rgba(10, 15, 30, 0.88);
  border-top-color: rgba(255, 255, 255, 0.07);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.30);
}

/* ---- Item ---- */
.bn-item {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;

  padding: 9px 6px;
  border-radius: 14px;

  background: rgba(255, 255, 255, 0.80);
  border: 1px solid rgba(15, 23, 42, 0.09);
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.05), inset 0 1px 0 rgba(255,255,255,0.65);

  font-weight: 700;
  font-size: 10.5px;
  color: rgba(15, 23, 42, 0.75);
  text-decoration: none;

  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease, color 0.12s ease;
}

body.dark .bn-item {
  background: rgba(26, 34, 52, 0.80);
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(148, 163, 184, 0.85);
  box-shadow: 0 4px 10px rgba(0,0,0,0.20);
}

.bn-ico {
  width: 20px;
  height: 20px;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  transition: transform 0.12s ease;
}

/* ---- Estado ativo ---- */
.bn-item.active {
  background: rgba(251, 89, 4, 0.11);
  border-color: rgba(251, 89, 4, 0.55);
  color: rgba(15, 23, 42, 0.92);
  box-shadow: 0 6px 16px rgba(251, 89, 4, 0.14), inset 0 1px 0 rgba(255,255,255,0.55);
}

body.dark .bn-item.active {
  background: rgba(251, 89, 4, 0.18);
  border-color: rgba(251, 89, 4, 0.55);
  color: rgba(241, 245, 249, 0.96);
}

.bn-item.active .bn-ico {
  color: var(--accent);
  transform: translateY(-1px);
}

/* ---- Press ---- */
.bn-item:active {
  transform: scale(0.94);
  box-shadow: 0 2px 6px rgba(15,23,42,0.06);
}

/* ---- Hover (desktop) ---- */
@media (hover: hover) {
  .bn-item:not(.active):hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(15, 23, 42, 0.14);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
    color: rgba(15, 23, 42, 0.92);
  }
}

/* ---- Mobile super apertado ---- */
@media (max-width: 380px) {
  :root { --bn-h: 68px; }
  .bn-item .bn-txt { display: none; }
  .bn-item { padding: 12px 6px; }
}

/* ---- Desktop: oculta BottomNav ---- */
@media (min-width: 901px) {
  .bottomnav         { display: none !important; }
  .app-body          { padding-bottom: 0 !important; }
  .app-main          { padding-bottom: 16px !important; }
}