#app {
  display: flex;
  height: 100vh;
  /* dvh desconta a barra de endereco do navegador no celular (100vh
     sozinho deixa o fim da pagina escondido atras dela) */
  height: 100dvh;
  background: var(--slate-950);
}

#app.layout-topbar {
  flex-direction: column;
}

/* ---------- Sidebar ---------- */

#sidebar {
  display: flex;
  height: 100vh;
  height: 100dvh;
  width: 256px;
  flex-shrink: 0;
  flex-direction: column;
  border-right: 1px solid var(--slate-800);
  background: var(--slate-950);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 20px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.sidebar-header .brand-emoji {
  font-size: 20px;
}

.sidebar-header .brand-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 12px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ---------- Topbar ---------- */

#topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--slate-800);
  background: var(--slate-950);
  padding: 12px 24px;
}

.topbar-brand {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 8px;
}

.topbar-brand .brand-emoji {
  font-size: 20px;
}

.topbar-brand .brand-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.topbar-nav {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
}

#topbar .header-actions {
  padding-left: 16px;
  margin-left: 4px;
  border-left: 1px solid var(--slate-800);
}

/* ---------- Nav items (compartilhado sidebar/topbar) ---------- */

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--slate-400);
  border-left: 2px solid transparent;
  transition: background-color 0.15s, color 0.15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-link:hover {
  background: rgba(30, 41, 59, 0.6);
  color: var(--slate-100);
}

.nav-link.active {
  color: var(--nav-color);
  background: color-mix(in srgb, var(--nav-color) 15%, transparent);
  border-left-color: var(--nav-color);
}

#topbar .nav-link {
  border-left: none;
  border-bottom: 2px solid transparent;
  /* topbar usa padding mais baixo e mais largo, e gap menor entre
     icone/texto do que a sidebar (px-3 py-1.5 + gap-2 no original) */
  padding: 6px 12px;
  gap: 8px;
}

#topbar .nav-link.active {
  border-bottom-color: var(--nav-color);
}

.nav-link .nav-icon {
  flex-shrink: 0;
  color: var(--nav-color);
}

.layout-toggle-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 6px;
  color: var(--slate-500);
}

.layout-toggle-btn:hover {
  background: var(--slate-800);
  color: var(--slate-300);
}

/* ---------- Main content ---------- */

#main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#page-container {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.page-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.page {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ---------- Telas pequenas ---------- */

/* abaixo de 768px a sidebar fixa de 256px ocuparia metade da tela -
   forca a barra no topo (a preferencia salva continua valendo no
   desktop) e esconde o botao de alternar, que nao faria nada aqui */
@media (max-width: 767px) {
  #app,
  #app.layout-topbar {
    flex-direction: column;
  }

  #sidebar {
    display: none !important;
  }

  #topbar {
    display: flex !important;
    gap: 8px;
    padding: 8px 12px;
  }

  #topbar-toggle-btn {
    display: none;
  }

  .topbar-brand .brand-title {
    display: none;
  }

  #topbar .header-actions {
    padding-left: 8px;
  }

  #page-container {
    padding: 16px;
  }

  /* nao cabem 5 nomes lado a lado - so icones, com o nome apenas na aba
     ativa (o resto rola na horizontal se ainda faltar espaco) */
  /* min-width: 0 deixa o menu encolher e rolar por dentro, em vez de
     empurrar a barra inteira pra fora da tela */
  .topbar-nav {
    min-width: 0;
    scrollbar-width: none;
  }

  .topbar-nav::-webkit-scrollbar {
    display: none;
  }

  #topbar .nav-link {
    flex-shrink: 0;
    padding: 8px;
  }

  #topbar .nav-link:not(.active) .truncate {
    display: none;
  }
}

/* celulares (ate ~400px): o mascote cede espaco pro menu */
@media (max-width: 399px) {
  .topbar-brand {
    display: none;
  }
}