/* ===========================================================================
   Estrutura da aplicacao: topbar, sidebar, conteudo, flashes, rodape.
   Mesmo arranjo do DARE Labs, com a sidebar em verde-escuro do prototipo do
   cliente.
   ======================================================================== */

/* ---- Topbar ------------------------------------------------------------ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--verde-900);
  color: var(--branco);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.topbar__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
  padding: 0 20px;
}
.topbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--branco);
  font-weight: 700;
  font-size: 17px;
  text-decoration: none;
}
.topbar__brand:hover { text-decoration: none; }
.topbar__brand-sub {
  font-size: 11px;
  font-weight: 400;
  color: rgba(255, 255, 255, .7);
  letter-spacing: .04em;
}
.topbar__right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.topbar__user { color: rgba(255, 255, 255, .85); font-size: 13px; }

/* ---- Shell ------------------------------------------------------------- */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  align-items: start;
}
.app-shell__main {
  min-width: 0;
  padding: 28px 32px;
  max-width: var(--maxw);
}

/* Telas sem sessao (login). NAO usar .app-shell__main aqui: o max-width dele
   existe para o conteudo que divide a linha com a sidebar, e numa tela cheia
   cortava o fundo em 1180px — o resto da janela ficava branco. */
.tela-cheia { min-width: 0; }

/* ---- Sidebar ----------------------------------------------------------- */
.sidebar {
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
  padding: 18px 12px;
  background: var(--verde-900);
}
.sidebar__group-title {
  font-size: 11px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
  padding: 0 12px;
  margin: 0 0 8px;
}
.sidebar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  margin-bottom: 2px;
  border-radius: var(--r-sm);
  color: rgba(255, 255, 255, .82);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  /* 44px minimo: a sidebar tambem e usada no celular, as vezes de luva. */
  min-height: 44px;
}
.sidebar__item:hover {
  background: rgba(255, 255, 255, .08);
  color: var(--branco);
  text-decoration: none;
}
.sidebar__item.is-active {
  background: rgba(255, 255, 255, .14);
  color: var(--branco);
  font-weight: 600;
}
.sidebar__icone { flex: 0 0 auto; width: 18px; text-align: center; }
.sidebar__toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 70;
  min-width: 44px;
  min-height: 44px;
  background: var(--verde-700);
  color: var(--branco);
  border: 0;
  border-radius: var(--r-sm);
  font-size: 20px;
  cursor: pointer;
}

/* ---- Flashes ----------------------------------------------------------- */
.flashes { padding: 14px 32px 0; }
.flash {
  padding: 12px 16px;
  border-radius: var(--r-sm);
  border: 1px solid;
  margin-bottom: 10px;
  font-weight: 500;
}
.flash--notice {
  background: var(--verde-100);
  border-color: var(--verde-500);
  color: var(--verde-700);
}
.flash--alerta {
  background: var(--ambar-fundo);
  border-color: var(--ambar);
  color: #92400E;
}

/* ---- Rodape ------------------------------------------------------------ */
.app-footer {
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding: 18px 32px;
  color: var(--dim);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

/* ---- Mobile: sidebar vira gaveta --------------------------------------- */
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .app-shell__main { padding: 22px 16px; }
  .flashes { padding: 12px 16px 0; }
  .app-footer { padding: 16px; flex-direction: column; }

  .sidebar__toggle { display: inline-block; }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 268px;
    height: 100vh;
    padding-top: 70px;
    transform: translateX(-100%);
    transition: transform .2s ease;
    z-index: 60;
  }
  .sidebar.is-open { transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar { transition: none; }
}