/* MaissGraph — LAYOUT DESKTOP (aplicado só em telas >= 768px via media no <link>).
   Casca de 3 colunas: sidebar | conteúdo | assistente. */

/* elementos exclusivos de mobile ficam ocultos no desktop */
.mobile-topbar, .mobile-nav, .fab-chat, .chat-close { display: none !important; }

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--chat-w);
  height: 100vh;
}

/* sidebar */
.sidebar { background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 1.1rem .8rem; }
.side-brand { padding: .3rem .5rem 1.1rem; }
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-foot { margin-top: auto; border-top: 1px solid var(--border); padding-top: .8rem; }

/* main */
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 1.6rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-right { display: flex; align-items: center; gap: .6rem; }
.content { flex: 1; overflow-y: auto; padding: 1.4rem 1.6rem 2rem; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.4rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 1.1rem; }
.card { min-height: 300px; }
.card .canvas-wrap { min-height: 240px; }

/* chat como coluna fixa */
.chat { background: var(--surface); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; min-height: 0; }

/* desktop largo: 3 KPIs por linha viram 4; cards um pouco maiores */
@media (min-width: 1500px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(440px, 1fr)); }
}