/* ========= Variables ========= */
:root{
  --bg:#0b0c10;
  --card:#ffffff;
  --muted:#6b7280;
  --brand:#1e88e5;
  --gradient: linear-gradient(135deg,#667eea 0%,#764ba2 100%);
  --shadow: 0 8px 24px rgba(0,0,0,.12);
}

/* ========= Base ========= */
html,body{
  height:100%;
  margin:0;
  font:14px/1.45 system-ui, Segoe UI, Roboto, Arial;
  overflow:hidden;
}

/* ========= Layout (mapa + sidebar) ========= */
#app{
  display:grid;
  grid-template-columns: 1fr 420px;
  height:100%;
  background: var(--gradient);
}

#map{
  width:100%;
  height:100%;
  border-radius: 0 20px 20px 0;
  box-shadow: var(--shadow);
  z-index: 1;
}

/* ========= Sidebar ========= */
#sidebar{
  width:420px; min-width:420px;
  display:flex; flex-direction:column;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-left: 1px solid rgba(0,0,0,.06);
  overflow:hidden;
  position:relative;
}

#sidebar::before{
  content:"";
  position:absolute; top:0; left:0; right:0; height:4px;
  background: var(--gradient);
}

.head{
  display:flex; align-items:center; gap:12px;
  padding:14px 18px;
  border-bottom:1px solid rgba(0,0,0,.06);
  background: transparent;
}

.brand{
  font-weight:700; letter-spacing:.4px; font-size:18px;
  background: var(--gradient);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}

.layer-indicator{
  background: var(--gradient); color:#fff;
  padding:4px 12px; border-radius:20px;
  font:600 11px/1.2 inherit; letter-spacing:.5px; text-transform:uppercase;
  box-shadow: 0 4px 14px rgba(102,126,234,.35);
}

/* ========= Contenido scroll del panel ========= */
.stats{
  flex:1; overflow-y:auto; padding:12px 0;
}

/* tarjeta fija (arriba) dentro del scroll */
.stats #data-panel{
  position:sticky; top:8px;
  margin:6px 14px 0;
  background:#fff; border-radius:14px; padding:16px 18px;
  box-shadow: var(--shadow);
}

/* ========= Tarjetas reutilizables ========= */
.card{
  background:#fff; border-radius:14px; padding:18px;
  margin:12px 14px;
  border:1px solid rgba(0,0,0,.06);
  box-shadow: var(--shadow);
}

.k{ color:var(--muted); font:500 11.5px/1.3 inherit; text-transform:uppercase; letter-spacing:.5px; }
.v{ font-weight:600; font-size:15px; margin-top:4px; }

/* leyenda de colores */
.legend{ display:grid; grid-template-columns:20px 1fr; gap:10px; align-items:center; margin-top:12px; }
.swatch{ width:20px; height:16px; border-radius:8px; border:2px solid #fff; box-shadow:0 2px 6px rgba(0,0,0,.2); }

/* ========= HUD (abajo a la izquierda) ========= */
.hud{
  position:absolute; left:20px; bottom:20px; z-index:1000;
  background: rgba(0,0,0,.8); color:#fff; border-radius:12px;
  padding:10px 14px; font-size:13px; border:1px solid rgba(255,255,255,.1);
}
.badge{ background: var(--gradient); color:#fff; border-radius:8px; padding:4px 10px; margin-left:8px; font:600 11px/1.2 inherit; text-transform:uppercase; letter-spacing:.5px; }

/* ========= Controles de zoom (opcionales) ========= */
.zoom-controls{ position:absolute; top:20px; right:20px; display:flex; flex-direction:column; gap:8px; z-index:1000; }
.zoom-btn{
  width:40px; height:40px; border:0; border-radius:12px; cursor:pointer;
  display:flex; align-items:center; justify-content:center; font-size:18px; font-weight:700;
  background: rgba(255,255,255,.95); backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
}
.zoom-btn:hover{ transform: scale(1.06); background:#fff; }

/* ========= Loading overlay ========= */
.loading-overlay{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background: rgba(255,255,255,.9); backdrop-filter: blur(4px);
  z-index:2000; opacity:0; pointer-events:none;
}
.loading-overlay.active{ opacity:1; pointer-events:auto; }
.spinner{ width:38px; height:38px; border:4px solid rgba(102,126,234,.25); border-top-color:#667eea; border-radius:50%; animation:spin 1s linear infinite; }
@keyframes spin{ to{ transform: rotate(360deg); } }

/* ========= Popups ========= */
.feature-popup{
  background: rgba(255,255,255,.96);
  border-radius:12px; padding:14px; max-width:260px;
  border:1px solid rgba(0,0,0,.08); box-shadow: var(--shadow); font-size:13px;
}

/* ========= Ajustes varios ========= */
.leaflet-control-container{ z-index: 1100; } /* que no queden tapados por el panel */

/* ocultar “población por manzana” inferior si existiera */
#poblacionCard{ display:none !important; }

/* ========= Responsive ========= */
@media (max-width:900px){
  #app{ grid-template-columns: 1fr; }
  #map{ border-radius:0; }
  #sidebar{ display:none; } /* oculta panel en móvil (ajústalo si quieres modal) */
}