/* layout.css - casca: app-shell, sidebar, topbar, main.
   Fundacao da Fase 1. A sidebar completa (grupos, rodape) e o dashboard
   entram na Fase 4. */

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  grid-column: 1;
  background: var(--surface);
  border-right: 1px solid var(--borda);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-marca {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--borda);
}

.sidebar-marca .icon { color: var(--cor-primaria); font-size: 22px; }

.sidebar-marca .marca-nome {
  font-size: 15px;
  font-weight: 700;
  color: var(--texto);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 10px;
}

.nav-grupo { margin-bottom: 14px; }
.grupo-label {
  display: block;
  padding: 6px 10px 4px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--texto-fraco);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--raio-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--texto-medio);
  text-decoration: none;
  margin-bottom: 2px;
}
.nav-item .icon { font-size: 18px; }
.nav-item:hover { background: var(--surface-2); color: var(--texto); }
.nav-item.ativo {
  background: var(--cor-primaria-suave);
  color: var(--cor-primaria-escura);
  font-weight: 600;
}

/* Handle de redimensionamento (borda direita da sidebar) - Padrao_Menu_Sidebar */
.sidebar-resize {
  position: absolute;
  top: 0; right: -3px;
  width: 6px;
  height: 100%;
  cursor: col-resize;
  z-index: 41;
  background: transparent;
  transition: background .12s ease;
}
.sidebar-resize:hover,
.sidebar-resize.arrastando { background: var(--cor-primaria-soft); }
body.sidebar-arrastando { user-select: none; cursor: col-resize !important; }

/* Rodape da sidebar (Padrao_Sidebar_Rodape): Inicio em gradiente + box do usuario */
.sidebar-rodape {
  padding: 12px;
  border-top: 1px solid var(--borda);
}

/* Botao Inicio: CTA com gradiente da cor do cliente */
.btn-home-side {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  margin-bottom: 8px;
  border-radius: var(--raio-sm);
  background: linear-gradient(135deg, var(--cor-primaria), var(--cor-primaria-escura));
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  box-shadow: 0 2px 8px var(--cor-primaria-sombra);
  transition: transform .15s, box-shadow .15s;
}
.btn-home-side:hover {
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--cor-primaria-sombra);
}
.btn-home-side.ativo {
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .4), 0 2px 8px var(--cor-primaria-sombra);
}
.btn-home-side i { font-size: 17px; flex-shrink: 0; }

/* Box do usuario: avatar + nome/papel + acoes */
.usuario-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 6px 6px 8px;
  border-radius: var(--raio-sm);
}
.usuario-box .avatar {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  flex: 0 0 34px;
  border-radius: var(--raio-full);
  background: linear-gradient(135deg, var(--cor-primaria), var(--cor-primaria-escura));
  color: #fff;
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 13px;
}
.usuario-box .usuario-info { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.usuario-box .usuario-nome {
  font-size: 13px; font-weight: 600; color: var(--texto);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.usuario-box .usuario-papel { font-size: 11px; color: var(--texto-fraco); }
.rodape-link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  flex: 0 0 auto;
  border-radius: var(--raio-sm);
  color: var(--texto-fraco);
}
.rodape-link:hover { background: var(--surface-2); color: var(--texto); }
.rodape-link .icon { font-size: 17px; }

/* Area principal */
.main {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Topbar */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--borda);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar .titulo-pagina {
  font-size: 18px;
  font-weight: 700;
  color: var(--texto);
  margin: 0;
}

.tb-acoes {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Conteudo */
.content {
  flex: 1;
  padding: 24px;
  min-width: 0;
}

/* Telas standalone (login, erro): sem app-shell */
.tela-centro {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
}