/* =============================================================
   CARAÍBAS — Layout
   Estrutura macro do portal: grid raiz, sidebar, header, main.
   Sem cores de componentes — apenas posicionamento e dimensões.
   ============================================================= */


/* -------------------------------------------------------------
   RESET MÍNIMO
   ------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
}

body {
  height: 100%;
  font-family: var(--font-body);
  background-color: var(--color-base);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
}

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}


/* -------------------------------------------------------------
   PORTAL — Grid raiz (sidebar + conteúdo)
   ------------------------------------------------------------- */

.portal {
  display: grid;
  grid-template-columns: var(--sidebar-largura) 1fr;
  height: 100vh;
  overflow: hidden;
}


/* -------------------------------------------------------------
   SIDEBAR — Coluna esquerda fixa
   ------------------------------------------------------------- */

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  background-color: var(--color-primary);

  /* Ocultar scrollbar mas manter funcionalidade */
  scrollbar-width: none;
}

.sidebar::-webkit-scrollbar {
  display: none;
}


/* -------------------------------------------------------------
   PORTAL CONTEÚDO — Coluna direita
   ------------------------------------------------------------- */

.portal__conteudo {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}


/* -------------------------------------------------------------
   HEADER — Topo da coluna direita
   ------------------------------------------------------------- */

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-altura);
  padding: 0 var(--space-5);
  background-color: var(--color-base-soft);
  border-bottom: 1px solid var(--color-border);
}


/* -------------------------------------------------------------
   MAIN — Área de conteúdo rolável
   ------------------------------------------------------------- */

.main {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
}


/* -------------------------------------------------------------
   SEÇÕES — Alternância SPA
   ------------------------------------------------------------- */

/* Seção oculta por padrão (reforça o atributo hidden do HTML) */
.secao {
  display: none;
}

/* Seção ativa exibida pelo ui-handler.js */
.secao--ativa {
  display: block;
}


/* -------------------------------------------------------------
   DASHBOARD — Grid de cards
   ------------------------------------------------------------- */

.dashboard__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}

@media (max-width: 1200px) {
  .dashboard__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* -------------------------------------------------------------
   SIDEBAR BACKDROP — overlay do menu mobile
   ------------------------------------------------------------- */

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(16, 43, 38, 0.55);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-padrao);
}

.sidebar-backdrop--visivel {
  opacity: 1;
  pointer-events: auto;
}


/* -------------------------------------------------------------
   MOBILE — ≤ 640px
   ------------------------------------------------------------- */

@media (max-width: 640px) {
  .sidebar-backdrop {
    display: block;
  }

  .portal {
    grid-template-columns: 1fr;
  }

  /* Sidebar vira gaveta deslizante */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 280px;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform var(--transition-padrao);
  }

  .sidebar--aberta {
    transform: translateX(0);
  }

  .main {
    padding: var(--space-3);
  }

  .header {
    padding: 0 var(--space-3);
  }

  .dashboard__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Telas muito pequenas: cards em coluna única */
@media (max-width: 420px) {
  .dashboard__grid {
    grid-template-columns: 1fr;
  }
}