/* ==========================================================================
   GaragemOS V2 — Estrutura: topo, conteúdo, navegação e ações flutuantes
   ========================================================================== */

/* Barra superior em vidro, integrada ao topo e flutuante ao rolar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 12;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: var(--topbar-height);
  min-width: 0;
  padding: 0 var(--space-3);
  background: color-mix(in srgb, var(--bg) 74%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line-strong) 55%, transparent);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  transition: width .28s ease, margin .28s ease, border-radius .28s ease, box-shadow .28s ease, background .28s ease;
}
.topbar::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(255, 255, 255, .22), transparent 38%, transparent 74%, rgba(255, 255, 255, .1));
}
.topbar.is-scrolled {
  box-shadow: var(--shadow-soft);
  border-color: color-mix(in srgb, var(--line-strong) 70%, transparent);
}


.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  white-space: nowrap;
  font-size: var(--text-base);
  font-weight: 820;
  letter-spacing: -.035em;
}
.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, var(--primary), var(--primary-dark));
  color: var(--on-primary);
  box-shadow: 0 5px 14px color-mix(in srgb, var(--primary) 24%, transparent), inset 0 1px 0 rgba(255, 255, 255, .3);
}
.brand-mark svg { width: 23px; height: 23px }
.brand-light { font-weight: 560; color: var(--primary) }

.vehicle-switch { flex: 1 1 auto; min-width: 0; max-width: 320px; margin-left: auto }
.vehicle-switch select {
  display: block;
  width: 100%;
  min-width: 0;
  height: 44px;
  padding: 0 34px 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: 640;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  text-overflow: ellipsis;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: right 16px center, right 11px center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.topbar .icon-button { flex: 0 0 44px }

main {
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: var(--space-4) var(--space-4) var(--space-5); /* o rodapé MAGU, abaixo, abre espaço para a barra */
  min-width: 0;
}

/* Cabeçalho de página */
.page-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.page-heading h1 { margin-bottom: 4px }
.page-heading p { margin-bottom: 0; color: var(--muted); font-size: var(--text-sm); max-width: 56ch }
.page-heading .button { flex: 0 0 auto }
.page-tools { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-4) }
.page-tools > * { flex: 1 1 190px; min-width: 0 }

/* Grades */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.content-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-3); margin-bottom: var(--space-4) }
.content-grid > .span-2 { grid-column: 1 / -1 }
.more-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); padding-bottom: 20px; }


/* Navegação inferior em vidro (padrão fluxOS): barra flutuante arredondada,
   quatro destinos e o botão + no centro, elevado e em destaque. */
.bottom-nav {
  position: fixed;
  z-index: 14;
  left: max(var(--space-2), env(safe-area-inset-left));
  right: max(var(--space-2), env(safe-area-inset-right));
  bottom: calc(var(--space-2) + var(--safe-bottom));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 76px minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  min-height: var(--nav-height);
  padding: 6px var(--space-2);
  border: 1px solid var(--line);
  border-radius: 30px;
  background: color-mix(in srgb, var(--surface-strong) 84%, transparent);
  box-shadow: var(--shadow-nav);
  backdrop-filter: blur(28px) saturate(165%);
  -webkit-backdrop-filter: blur(28px) saturate(165%);
}
.bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 54px;
  padding: 6px 2px;
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 680;
  transition: color .18s ease, transform .18s ease;
}
.bottom-nav a svg { width: 24px; height: 24px; stroke-width: 1.8 }
.bottom-nav a small { overflow: hidden; max-width: 100%; font-size: 10.5px; font-weight: 680; letter-spacing: -.02em; white-space: nowrap; text-overflow: ellipsis }
.bottom-nav a.active { color: var(--primary) }
.bottom-nav a.active svg { stroke-width: 2.1 }
.bottom-nav a:active { transform: scale(.94) }

/* Botão + central: maior que os itens, sobe acima da barra e tem brilho próprio */
.nav-add-slot { position: relative; display: grid; place-items: center; height: 100% }
.nav-add {
  position: relative;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-top: -30px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  /* Azul core nos dois temas: o + é a ação principal do app. */
  background: linear-gradient(150deg, var(--brand-core-light), var(--brand-core));
  color: #fff;
  box-shadow:
    0 0 0 6px color-mix(in srgb, var(--brand-core) 14%, transparent),
    0 12px 28px color-mix(in srgb, var(--brand-core) 45%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, .35);
  transition: transform .18s ease, box-shadow .18s ease;
}
.nav-add svg { width: 28px; height: 28px }
.nav-add:hover { box-shadow: 0 0 0 8px color-mix(in srgb, var(--brand-core) 18%, transparent), 0 14px 32px color-mix(in srgb, var(--brand-core) 50%, transparent), inset 0 1px 0 rgba(255, 255, 255, .35) }
.nav-add:active { transform: scale(.92) }
.nav-add:focus-visible { outline: 3px solid var(--focus, var(--primary)); outline-offset: 4px }


@media (min-width: 720px) {
  .content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) }
  .more-grid { grid-template-columns: repeat(3, minmax(0, 1fr)) }
}

@media (min-width: 600px) {
  .topbar.is-scrolled {
    width: min(calc(100% - 32px), 1320px);
    margin-inline: auto;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
}

@media (min-width: 1024px) {
  main { padding-bottom: var(--space-5) }
  .bottom-nav { left: 50%; right: auto; bottom: var(--space-4); width: min(calc(100% - 40px), 520px); transform: translateX(-50%) }
}