:root{
  --w-open: 240px;
  --w-closed: 70px;
  --bg-sidebar:#1b1d22;
  --bg-hover:#1e2128;
  --bg-active:#0f1115;
}
.card {
  background-color:#1b1d22;
}

/* #content debe ser un contenedor flex vertical */
#content{
  margin-left:var(--w-open);
  display:flex;              /*  ←  importante          */
  background:#000;
  transition:margin .25s;
}
body.sb-closed #content{margin-left:var(--w-closed);}

/* footer “auto-push” y ancho */
.footer{
  --bs-card-bg:#1b1d22;   /* mismo tono que las tarjetas */
  max-width:95%;
}
#content {
  background: #000;
  min-height: 100vh;  /* que siempre cubra la altura completa */
}

#sidebar.closed .submenu {
  position:fixed;                     /* sale del flujo y flota */
  left: calc(var(--w-closed) + 10px);  /* justo a la derecha del sidebar */
  min-width: 180px;
  background: #000;
  border-radius: 8px;
  padding: .5rem 0;
  box-shadow: 0 6px 16px rgba(0,0,0,.35);
  z-index: 1040;                       /* por encima del contenido */
}
#sidebar.closed  [data-bs-toggle="collapse"] .bi-caret-down-fill {
  display: none;
}
/* ── sidebar ───────────────────────────────────────── */
#sidebar{
  position:fixed; inset:0 auto 0 0;
  width:var(--w-open); height:100vh;
  background:var(--bg-sidebar);
  display:flex; flex-direction:column;
  transition:width .25s;

  z-index:1100;   }
#sidebar.closed{width:var(--w-closed);}
#sidebar nav{flex:1 1 auto; overflow-y:auto;}

#sidebar .nav-link{color:#cfd3e4!important;padding:.65rem 1rem;}
#sidebar .nav-link:hover{background:var(--bg-hover);}
#sidebar .nav-link.active{background:var(--bg-active);}
#sidebar .nav-icon{width:1.1rem;margin-right:.75rem;}
#sidebar.closed .label{display:none;}

/* ── toggle button ─────────────────────────────────── */
#toggleBtn{
  position:absolute;
  top:50%; right:-17px;               /* se pega al borde */
  transform:translateY(-50%);
  width:34px;height:34px;border-radius:50%;
  background:#2a2d34;border:2px solid #cfd3e4;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;z-index:1050;
}
#sidebar.closed #toggleBtn i{transform:rotate(180deg);}
body.sb-closed #toggleBtn{left:var(--w-closed);}
body.sb-closed #toggleBtn i{transform:rotate(180deg);}

/* ── contenido ─────────────────────────────────────── */
#content{margin-left:var(--w-open); transition:margin .25s;}
body.sb-closed #content{margin-left:var(--w-closed);}


.footer-dark {
  padding:50px 0;
  color:#f0f9ff;
  background-color:#282d32;
}

.footer-dark h3 {
  margin-top:0;
  margin-bottom:12px;
  font-weight:bold;
  font-size:16px;
}

.footer-dark ul {
  padding:0;
  list-style:none;
  line-height:1.6;
  font-size:14px;
  margin-bottom:0;
}

.footer-dark ul a {
  color:inherit;
  text-decoration:none;
  opacity:0.6;
}

.footer-dark ul a:hover {
  opacity:0.8;
}

@media (max-width:767px) {
  .footer-dark .item:not(.social) {
    text-align:center;
    padding-bottom:20px;
  }
}

.footer-dark .item.text {
  margin-bottom:36px;
}

@media (max-width:767px) {
  .footer-dark .item.text {
    margin-bottom:0;
  }
}

.footer-dark .item.text p {
  opacity:0.6;
  margin-bottom:0;
}

.footer-dark .item.social {
  text-align:center;
}

@media (max-width:991px) {
  .footer-dark .item.social {
    text-align:center;
    margin-top:20px;
  }
}

.footer-dark .item.social > a {
  font-size:20px;
  width:36px;
  height:36px;
  line-height:36px;
  display:inline-block;
  text-align:center;
  border-radius:50%;
  box-shadow:0 0 0 1px rgba(255,255,255,0.4);
  margin:0 8px;
  color:#fff;
  opacity:0.75;
}

.footer-dark .item.social > a:hover {
  opacity:0.9;
}

.footer-dark .copyright {
  text-align:center;
  padding-top:24px;
  opacity:0.3;
  font-size:13px;
  margin-bottom:0;
}