/* =============================================================================
   layout.css — estrutura do app: topbar, sidebar, área de conteúdo e grids.
   Camada 2 de 3.
   ========================================================================== */

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
  height: 100vh;
  /* Anima a largura ao recolher/expandir a sidebar (modo trilho). */
  transition: grid-template-columns .28s var(--ease-out);
}

/* ---- Topbar -------------------------------------------------------------- */
.topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: 0 var(--sp-6);
  /* Topbar de vidro (glassmorphism), igual SISREC. */
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
  z-index: 20;
  /* Entrada suave da topbar (descendo de cima). */
  animation: anim-drop var(--dur-slow) var(--ease-out) both;
}
.topbar__title { font-size: var(--fs-md); font-weight: 600; }
.topbar__right { display: flex; align-items: center; gap: var(--sp-4); }
.topbar__user { display: flex; align-items: center; gap: var(--sp-3); }
.avatar {
  width: 36px; height: 36px; border-radius: var(--radius-pill);
  background: var(--c-primary); color: #fff;
  display: grid; place-items: center; font-weight: 600; font-size: var(--fs-sm);
}

/* ---- Sidebar ------------------------------------------------------------- */
.sidebar {
  grid-area: sidebar;
  /* Gradiente azul institucional do SISREC. */
  background: linear-gradient(180deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: rgba(255, 255, 255, .92);
  display: flex;
  flex-direction: column;
  padding: var(--sp-4) 0;
  overflow-y: auto;
}
.sidebar__brand {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-5) var(--sp-3);
  font-size: var(--fs-md); font-weight: 700; color: #fff;
}
.sidebar__brand .logo {
  width: 34px; height: 34px; border-radius: 10px;
  background: rgba(255, 255, 255, .14); color: #fff;
  display: grid; place-items: center; font-size: 18px;
}

/* ---- Bloco do usuário logado no topo (padrão SISREC) -------------------- */
.sidebar__user { text-align: center; padding: 0 var(--sp-4) var(--sp-2); }
.sidebar__user-avatar {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto var(--sp-2);
  background: rgba(255, 255, 255, .16); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 1.1rem;
  border: 1px solid rgba(255, 255, 255, .20);
}
.sidebar__user-greeting {
  border-top: 1px solid rgba(255, 255, 255, .25);
  border-bottom: 1px solid rgba(255, 255, 255, .25);
  padding: var(--sp-2) 0; margin-top: var(--sp-2);
  display: flex; flex-direction: column; gap: 2px;
}
.sidebar__user-hi { color: rgba(255, 255, 255, .6); font-size: var(--fs-xs); }
.sidebar__user-name { color: #fff; font-weight: 700; }
.sidebar__user-role {
  display: inline-block; align-self: center; margin-top: 6px;
  background: rgba(255, 255, 255, .92); color: var(--c-primary-dark);
  border-radius: var(--radius-pill); padding: 2px 12px; font-size: 11px; font-weight: 600;
}
.sidebar__nav { display: flex; flex-direction: column; gap: 2px; padding: 0 10px; }
.nav-item {
  position: relative;
  display: flex; align-items: center; gap: var(--sp-3);
  padding: .5rem .9rem;
  border-radius: 12px;
  color: rgba(255, 255, 255, .92); font-weight: 500;
  white-space: nowrap;                      /* rótulo do menu nunca quebra linha */
  transition: background var(--transition), color var(--transition), transform .12s ease;
}
/* Trava o texto do item em uma linha; corta com reticências se faltar espaço. */
.nav-item > span:not(.nav-item__icon) { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.nav-item__icon { flex: none; }
/* Divisões sutis entre os itens do menu (igual SISREC). */
.sidebar__nav .nav-item:not(:first-child) {
  border-top: 1px solid rgba(255, 255, 255, .08);
  margin-top: 2px; padding-top: calc(.5rem + 2px);
}
.nav-item:hover { background: rgba(255,255,255,.10); color: #fff; text-decoration: none; transform: translateX(2px); }
.nav-item.is-active {
  color: #fff; font-weight: 700;
  background: rgba(255,255,255,.08);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.10);
}
/* Barra de destaque (accent) no item ativo — assinatura visual do SISREC. */
.nav-item.is-active::before {
  content: ""; position: absolute; left: 0; top: 10px; bottom: 10px;
  width: 4px; border-radius: 999px;
  background: var(--c-accent); box-shadow: 0 0 0 3px rgba(16,185,129,.22);
  transform-origin: center;
  /* A barra surge crescendo verticalmente ao ativar o item. */
  animation: nav-accent-in var(--dur) var(--ease-spring) both;
}
@keyframes nav-accent-in {
  from { opacity: 0; transform: scaleY(.2); }
  to   { opacity: 1; transform: scaleY(1); }
}

/* ---- Indicador de seleção deslizante da sidebar -------------------------- */
/* Em vez de re-animar a sidebar a cada clique, um único indicador desliza do
   item anterior até o item clicado (posicionado por router.js). */
.sidebar__nav { position: relative; }
.sidebar__nav .nav-item { z-index: 1; }            /* texto/ícone acima do indicador */
.nav-indicator {
  position: absolute; left: 0; top: 0; width: 0; height: 0; z-index: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, .12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
  opacity: 0; pointer-events: none;
  transition: top .42s var(--ease-spring), height .42s var(--ease-spring),
              left .42s var(--ease-spring), width .42s var(--ease-spring),
              opacity .2s ease;
}
.nav-indicator::before {
  content: ""; position: absolute; left: 0; top: 10px; bottom: 10px;
  width: 4px; border-radius: 999px;
  background: var(--c-accent); box-shadow: 0 0 0 3px rgba(16, 185, 129, .22);
}
.nav-indicator.is-on { opacity: 1; }
/* Com o indicador ativo (JS), suprime o realce estático do item ativo (evita
   "caixa" dupla) — sobra só a cor/peso do texto + o indicador deslizante. */
.sidebar__nav.has-indicator .nav-item.is-active { background: transparent; box-shadow: none; }
.sidebar__nav.has-indicator .nav-item.is-active::before { display: none; }

/* Entrada da sidebar/topbar só no 1º acesso da sessão (classe no <html>,
   definida no index.php). Nas navegações seguintes: aparição instantânea. */
.no-shell-anim .sidebar__brand,
.no-shell-anim .sidebar__user,
.no-shell-anim .sidebar .nav-item,
.no-shell-anim .topbar { animation: none !important; }

@media (prefers-reduced-motion: reduce) {
  .nav-indicator { transition: opacity .2s ease; }  /* sem deslize */
}
.nav-item__icon { width: 22px; text-align: center; font-size: 1.05rem; }
.sidebar__section {
  padding: var(--sp-5) var(--sp-6) var(--sp-2);
  font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .08em;
  color: rgba(255, 255, 255, .55);
}
.sidebar__footer {
  margin-top: auto; padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid rgba(255, 255, 255, .10);
  text-align: center;
}
.sidebar__footer .btn--danger { display: inline-flex; padding: .6rem 1.15rem; border-radius: 14px; }
.sidebar__company {
  margin-top: var(--sp-3); font-size: 11px; line-height: 1.4;
  color: rgba(255, 255, 255, .6);
}

/* ---- Main / conteúdo ----------------------------------------------------- */
.main {
  grid-area: main;
  overflow-y: auto;
  padding: var(--sp-6);
}
.page-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--sp-4); margin-bottom: var(--sp-6); flex-wrap: wrap;
}
.page-header p { color: var(--c-text-soft); margin-top: 2px; }

/* ---- Grids reutilizáveis ------------------------------------------------- */
.grid { display: grid; gap: var(--sp-4); }
.grid-kpi { grid-template-columns: repeat(auto-fit, minmax(165px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* ---- Inbox: layout de 3 colunas ----------------------------------------- */
.inbox {
  position: relative;                       /* âncora p/ overlays em telas estreitas */
  display: grid;
  grid-template-columns: 460px 1fr;        /* fila mais larga; contato oculto por padrão */
  gap: var(--sp-4);
  height: calc(100vh - var(--topbar-h) - var(--sp-6) * 2);
  min-height: 480px;
}
.inbox__col { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); display: flex; flex-direction: column; overflow: hidden; }
/* Painel de Contato: DRAWER sobreposto à direita (sobre a conversa). Nunca é uma
   coluna do grid — assim não "vaza" para baixo da fila nem ocupa a tela quando
   fechado. Abre só com .has-contact (controlado ao clicar no contato). */
.inbox__col--contact {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(360px, 92%); z-index: 20;
  box-shadow: var(--shadow-lg);
  display: none;
}
.inbox.has-contact .inbox__col--contact { display: flex; }
.inbox__col-header { padding: var(--sp-4); border-bottom: 1px solid var(--c-border); font-weight: 600; }
.inbox__col-body { overflow-y: auto; flex: 1; }

/* ---- Login --------------------------------------------------------------- */
.login {
  min-height: 100vh; display: grid; place-items: center;
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(16,185,129,0.28), transparent 60%),
    radial-gradient(1000px 500px at 90% 100%, rgba(31,122,82,0.30), transparent 60%),
    linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  padding: var(--sp-4);
}
.login__card {
  width: 100%; max-width: 400px; background: var(--c-surface);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: var(--sp-8);
}
.login__brand { display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-6); font-weight: 700; font-size: var(--fs-lg); color: var(--c-primary); }
.login__brand .logo { width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(180deg, var(--c-primary) 0%, var(--c-primary-dark) 100%); display: grid; place-items: center; color: #fff; font-size: 22px; }

/* ---- Responsivo (desktop-first; utilizável em telas menores) ------------- */
@media (max-width: 980px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
    grid-template-areas: "topbar" "main";
  }
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-w);
    transform: translateX(-100%); transition: transform var(--transition); z-index: 50;
  }
  .sidebar.is-open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .menu-toggle { display: inline-flex !important; }

  /* Em telas estreitas o inbox vira "uma tela por vez" (estilo app de mensagem):
     a fila ocupa tudo; ao abrir uma conversa, o chat cobre a fila como overlay,
     e o painel de contato cobre o chat. Assim o "Contato" nunca fica solto no
     rodapé fora de contexto. O botão Voltar (no topo da conversa) fecha o overlay. */
  .inbox {
    grid-template-columns: 1fr;
    height: calc(100vh - var(--topbar-h) - var(--sp-4) * 2);
    min-height: 70vh;
  }
  .inbox__col { min-height: 0; }
  .inbox__col--chat { position: absolute; inset: 0; z-index: 5; }
  .inbox:not(.has-chat) .inbox__col--chat { display: none; }
  .inbox.has-chat .inbox__col--chat { display: flex; }
  /* Contato ocupa a tela inteira no mobile (drawer full-bleed, acima do chat). */
  .inbox__col--contact { inset: 0; width: 100%; }
}
/* Botão ≡ visível também no desktop (recolhe a sidebar); no mobile abre o menu. */
.menu-toggle { display: inline-flex; }

/* ---- Sidebar recolhível (modo "trilho": só ícones) ---------------------- */
/* Acionado pelo botão ≡ (router.js alterna .sidebar-collapsed no <html> e grava
   no localStorage). Vale no desktop; no mobile o ≡ abre o menu off-canvas. */
@media (min-width: 981px) {
  html.sidebar-collapsed .app { grid-template-columns: 76px 1fr; }

  /* Esconde os textos — sobram apenas os ícones. */
  html.sidebar-collapsed .sidebar__brand-text,
  html.sidebar-collapsed .sidebar__user,
  html.sidebar-collapsed .sidebar__company,
  html.sidebar-collapsed .sidebar__logout-text,
  html.sidebar-collapsed .nav-item > span:not(.nav-item__icon) { display: none; }

  /* Centraliza marca, itens e rodapé no trilho. */
  html.sidebar-collapsed .sidebar__brand { justify-content: center; gap: 0; padding: var(--sp-2) 0 var(--sp-5); }
  html.sidebar-collapsed .sidebar__nav { padding: 0 8px; }
  html.sidebar-collapsed .nav-item { justify-content: center; gap: 0; padding: .5rem 0; }
  html.sidebar-collapsed .sidebar__nav .nav-item:not(:first-child) { padding-top: .5rem; }
  html.sidebar-collapsed .nav-item__icon { width: auto; }
  html.sidebar-collapsed .sidebar__footer { padding: var(--sp-4) 8px; }
  html.sidebar-collapsed .sidebar__footer .btn--danger { padding: .6rem; }
}

@media (max-width: 560px) {
  .main { padding: var(--sp-4); }
  .topbar { padding: 0 var(--sp-4); }
}