/* ================================================================
   Sistema NFe — app.css (atualização completa)
   - Sidebar sem corte horizontal
   - Submenus completos, funcionais e recolhíveis
   - Labels longos quebram em 2 linhas
   - Responsivo (mobile com overlay)
   ================================================================ */

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;overflow-x:hidden;background:#f4f6fb;color:#1f2937;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:14px;line-height:1.45}

/* Layout base */
.shell{display:flex;min-height:100vh}
.sidebar{width:250px;flex:0 0 250px;background:#0f172a;color:#e2e8f0;
  display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;
  overflow-x:hidden;overflow-y:auto;z-index:40;transition:transform .25s ease}
.main{margin-left:250px;flex:1;min-width:0;display:flex;flex-direction:column}

/* Brand */
.sb-brand{display:flex;align-items:center;gap:10px;padding:16px 18px;
  background:#0b1220;border-bottom:1px solid rgba(255,255,255,.06)}
.sb-brand .mark{width:34px;height:34px;border-radius:8px;
  background:linear-gradient(135deg,#3b82f6,#8b5cf6);
  display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff}
.sb-brand strong{display:block;font-size:14px;color:#fff}
.sb-brand small{display:block;font-size:11px;color:#94a3b8;letter-spacing:.02em}
.sb-close{margin-left:auto;background:none;border:0;color:#94a3b8;
  font-size:20px;cursor:pointer;display:none}

/* Empresa selecionada (chip com ellipsis) */
.sb-company{margin:12px 14px;padding:10px 12px;background:#111c33;border:1px solid #1e293b;
  border-radius:8px;color:#cbd5e1;font-size:12px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Navegação */
.sb-nav{flex:1;overflow-y:auto;overflow-x:hidden;padding:4px 8px 14px}
.sb-group{margin-bottom:2px}
.sb-trigger{display:flex;align-items:center;gap:10px;width:100%;
  padding:9px 12px;background:none;border:0;color:#cbd5e1;
  font-size:13px;font-weight:500;text-align:left;cursor:pointer;
  border-radius:8px;transition:background .15s}
.sb-trigger:hover{background:#111c33;color:#fff}
.sb-trigger .ico{width:16px;height:16px;flex-shrink:0}
.sb-trigger .lbl{flex:1;white-space:normal;word-break:break-word;line-height:1.25}
.sb-trigger .chev{width:14px;height:14px;flex-shrink:0;
  transition:transform .2s ease;color:#64748b}
.sb-trigger[aria-expanded="true"] .chev{transform:rotate(180deg);color:#93c5fd}
.sb-trigger[aria-expanded="true"]{background:#111c33;color:#fff}

.sb-submenu{list-style:none;margin:2px 0 6px;padding:2px 0 4px 10px;
  border-left:2px solid #1e293b}
.sb-submenu[hidden]{display:none}
.sb-submenu a{display:block;padding:7px 12px;color:#94a3b8;font-size:12.5px;
  text-decoration:none;border-radius:6px;
  white-space:normal;word-break:break-word;line-height:1.3}
.sb-submenu a:hover{background:#111c33;color:#fff}
.sb-submenu a.active{background:#1d4ed8;color:#fff}

.sb-footer{padding:10px 16px;border-top:1px solid rgba(255,255,255,.06);
  font-size:11px;color:#64748b;display:flex;justify-content:space-between}

/* Topbar */
.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid #e5e7eb;
  padding:10px 20px;display:flex;align-items:center;gap:14px}
.topbar .toggle{display:none;background:none;border:0;font-size:22px;cursor:pointer;color:#334155}
.topbar h1{margin:0;font-size:16px;font-weight:600;color:#0f172a}
.topbar .crumb{font-size:11px;color:#64748b;text-transform:uppercase;letter-spacing:.05em}

/* Conteúdo */
.wrap{padding:20px;overflow-x:auto}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:18px;
  box-shadow:0 1px 2px rgba(15,23,42,.04)}

/* Backdrop mobile */
.sb-backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:30}
.shell.open .sb-backdrop{display:block}

/* Responsivo */
@media (max-width:960px){
  .sidebar{transform:translateX(-100%)}
  .shell.open .sidebar{transform:translateX(0)}
  .main{margin-left:0}
  .topbar .toggle{display:block}
  .sb-close{display:block}
}