:root {
  --azul-oceano: #cfe4f2;
  --gris-borde: #d6d9de;
  --gris-texto: #3a3f47;
  --acento: #1f6fb2;
  --fondo-panel: #ffffff;
  --sombra: 0 2px 12px rgba(20, 30, 45, .18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  font-family: system-ui, "Segoe UI", Roboto, sans-serif;
  color: var(--gris-texto);
  display: grid;
  grid-template-areas:
    "cabecera cabecera"
    "sidebar  mapa"
    "sidebar  tabla";
  grid-template-columns: 260px 1fr;
  grid-template-rows: 52px 1fr auto;
  overflow: hidden;
}

/* ---------- cabecera ---------- */
#cabecera {
  grid-area: cabecera;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 16px;
  background: #1c2733;
  color: #fff;
}
#cabecera h1 { font-size: 18px; font-weight: 600; white-space: nowrap; }
#pestanas { display: flex; gap: 4px; flex: 1; }
.pestana {
  padding: 7px 18px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #c8d2dc;
  font-size: 14px;
  cursor: pointer;
}
.pestana:hover { background: rgba(255,255,255,.12); color: #fff; }
.pestana.activa { background: var(--acento); color: #fff; font-weight: 600; }
#btn-tabla {
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 6px;
  background: transparent;
  color: #fff;
  cursor: pointer;
  font-size: 13px;
}
#btn-tabla:hover, #btn-tabla.activa { background: rgba(255,255,255,.18); }

/* ---------- sidebar filtros ---------- */
#sidebar {
  grid-area: sidebar;
  padding: 14px;
  background: #f4f6f8;
  border-right: 1px solid var(--gris-borde);
  overflow-y: auto;
}
#sidebar h2 { font-size: 15px; margin-bottom: 10px; }
.filtro { margin-bottom: 16px; }
.filtro h3 { font-size: 12.5px; text-transform: uppercase; letter-spacing: .4px; color: #66707c; margin-bottom: 6px; }
#filtro-continentes label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  padding: 2px 0;
  cursor: pointer;
}
#filtro-continentes .muestra {
  width: 11px; height: 11px;
  border-radius: 3px;
  display: inline-block;
}
#filtro-regex {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--gris-borde);
  border-radius: 5px;
  font-size: 13.5px;
  font-family: ui-monospace, monospace;
}
#filtro-regex.invalida { border-color: #d33; outline-color: #d33; }
#regex-error { color: #d33; font-size: 12px; margin-top: 3px; }
.filtro label { display: block; font-size: 12.5px; margin-bottom: 6px; }
.filtro input[type="range"] { width: 100%; accent-color: var(--acento); }
.filtro label span { font-weight: 600; }
#contador {
  font-size: 13px;
  font-weight: 600;
  padding: 8px 0;
  color: var(--acento);
}
#btn-reset {
  width: 100%;
  padding: 7px;
  border: 1px solid var(--gris-borde);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 13px;
}
#btn-reset:hover { background: #eef2f5; }

/* ---------- mapa ---------- */
#mapa-contenedor { grid-area: mapa; position: relative; overflow: hidden; background: var(--azul-oceano); }
#mapa { width: 100%; height: 100%; display: block; cursor: grab; }
#mapa:active { cursor: grabbing; }

.pais { stroke: #fff; stroke-width: .5; cursor: pointer; }
.pais.atenuado { fill: #e3e6e9 !important; }
.pais.seleccionado { stroke: #1c2733; stroke-width: 1.2; }
.pais:hover { fill-opacity: .8; }

.capital { fill: #1c2733; stroke: #fff; stroke-width: .6; pointer-events: none; }
.etiqueta-capital {
  font-size: 8px;
  fill: #1c2733;
  paint-order: stroke;
  stroke: rgba(255,255,255,.85);
  stroke-width: 2.5px;
  pointer-events: none;
}

.rio { fill: none; stroke: #2277bb; stroke-linecap: round; cursor: pointer; }
.rio.principal { stroke: #1259a8; }
.rio:hover { stroke: #0b3d78; }
.lago { fill: #63aede; stroke: #3c85bb; stroke-width: .4; cursor: pointer; }
.lago:hover { fill: #3c85bb; }
.montana { cursor: pointer; stroke: #fff; stroke-width: .5; }
.etiqueta-fisica {
  font-size: 9px;
  font-weight: 600;
  paint-order: stroke;
  stroke: rgba(255,255,255,.9);
  stroke-width: 2.5px;
  pointer-events: none;
}

#leyenda {
  position: absolute;
  left: 12px;
  bottom: 12px;
  background: rgba(255,255,255,.93);
  border-radius: 8px;
  box-shadow: var(--sombra);
  padding: 10px 14px;
  font-size: 12.5px;
  max-width: 260px;
}
#leyenda h4 { font-size: 12px; margin-bottom: 6px; }
#leyenda .fila { display: flex; align-items: center; gap: 7px; padding: 1.5px 0; }
#leyenda .caja { width: 13px; height: 13px; border-radius: 3px; flex: none; }

#tooltip {
  position: fixed;
  z-index: 30;
  pointer-events: none;
  background: rgba(28, 39, 51, .94);
  color: #fff;
  padding: 8px 11px;
  border-radius: 7px;
  font-size: 12.5px;
  line-height: 1.45;
  max-width: 280px;
  box-shadow: var(--sombra);
}
#tooltip b { font-size: 13.5px; }
#tooltip .dato { color: #b9c6d2; }

#controles-zoom {
  position: absolute;
  right: 12px;
  top: 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
#controles-zoom button {
  width: 34px; height: 34px;
  border: none;
  border-radius: 7px;
  background: #fff;
  box-shadow: var(--sombra);
  font-size: 17px;
  cursor: pointer;
  color: var(--gris-texto);
}
#controles-zoom button:hover { background: #eef2f5; }

/* ---------- tabla ---------- */
#panel-tabla {
  grid-area: tabla;
  background: var(--fondo-panel);
  border-top: 1px solid var(--gris-borde);
  height: 300px;
  display: flex;
  flex-direction: column;
}
#tabla-cabecera {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--gris-borde);
  background: #f4f6f8;
}
#tabla-titulo { font-size: 13px; font-weight: 600; flex: 1; }
#subpestanas-fisico { display: flex; gap: 4px; }
.subpestana {
  padding: 4px 12px;
  border: 1px solid var(--gris-borde);
  border-radius: 5px;
  background: #fff;
  font-size: 12.5px;
  cursor: pointer;
}
.subpestana.activa { background: var(--acento); border-color: var(--acento); color: #fff; }
#btn-cerrar-tabla { border: none; background: none; font-size: 15px; cursor: pointer; color: #66707c; }
#tabla-scroll { overflow: auto; flex: 1; }

#tabla { width: 100%; border-collapse: collapse; font-size: 13px; }
#tabla th {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 2px solid var(--gris-borde);
  padding: 7px 10px;
  text-align: left;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
#tabla th:hover { color: var(--acento); }
#tabla th .flecha { color: var(--acento); font-size: 11px; }
#tabla td { padding: 5px 10px; border-bottom: 1px solid #eef0f3; white-space: nowrap; }
#tabla td.num { text-align: right; font-variant-numeric: tabular-nums; }
#tabla th.num { text-align: right; }
#tabla tbody tr { cursor: pointer; }
#tabla tbody tr:hover { background: #eaf3fb; }
#tabla img.bandera { width: 26px; height: auto; border: 1px solid #e0e3e7; border-radius: 2px; display: block; }
#tabla a.wiki { color: var(--acento); text-decoration: none; font-size: 15px; }
#tabla .destacado { color: var(--acento); font-weight: 700; }

/* ---------- panel detalle ---------- */
#panel-detalle {
  position: absolute;
  z-index: 20;
  top: 64px;
  right: 12px;
  width: 300px;
  background: var(--fondo-panel);
  border-radius: 10px;
  box-shadow: var(--sombra);
  padding: 16px;
}
#panel-detalle .cerrar {
  position: absolute;
  top: 8px; right: 10px;
  border: none; background: none;
  font-size: 15px;
  cursor: pointer;
  color: #66707c;
}
#panel-detalle img.bandera {
  width: 84px;
  border: 1px solid #e0e3e7;
  border-radius: 4px;
  margin-bottom: 8px;
}
#panel-detalle h2 { font-size: 18px; margin-bottom: 2px; }
#panel-detalle .sub { color: #66707c; font-size: 13px; margin-bottom: 10px; }
#panel-detalle dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 12px;
  font-size: 13.5px;
}
#panel-detalle dt { color: #66707c; }
#panel-detalle dd { font-weight: 600; text-align: right; }
#panel-detalle .enlace-wiki {
  display: block;
  margin-top: 12px;
  padding: 8px;
  text-align: center;
  background: var(--acento);
  color: #fff;
  border-radius: 7px;
  text-decoration: none;
  font-size: 13.5px;
}
#panel-detalle .enlace-wiki:hover { background: #185a92; }

@media (max-width: 800px) {
  body { grid-template-columns: 200px 1fr; }
  #cabecera h1 { font-size: 15px; }
}