:root{
  --bg: #070b12;
  --bg-panel: #0d1420;
  --bg-panel-2: #111a29;
  --border: #1c2838;
  --text: #e8edf5;
  --text-dim: #7c8aa0;
  --accent: #00e6a8;
  --accent-dim: #00a884;
  --accent-2: #3aa0ff;
  --warn: #ffb020;
  --danger: #ff4d5e;
  --radius: 10px;
  --topbar-h: 56px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
  overflow:hidden;
}

#app{display:flex;flex-direction:column;height:100vh}

/* ===== Topbar ===== */
#topbar{
  height:var(--topbar-h);
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 18px;
  background:var(--bg-panel);
  border-bottom:1px solid var(--border);
  z-index:1000;
  flex-shrink:0;
}
.brand{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:600;color:var(--text);white-space:nowrap}
.brand-icon{color:var(--accent);transform:rotate(45deg)}
.brand strong{color:var(--accent);font-weight:800}

.search-wrap{
  flex:1;
  max-width:440px;
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--bg-panel-2);
  border:1px solid var(--border);
  border-radius:8px;
  padding:0 10px;
  height:36px;
  color:var(--text-dim);
}
.search-wrap:focus-within{border-color:var(--accent-dim)}
#searchInput{
  flex:1;background:transparent;border:0;outline:0;color:var(--text);
  font-size:13.5px;height:100%;
}
#searchInput::placeholder{color:var(--text-dim)}

.icon-btn{
  background:transparent;border:0;color:var(--text-dim);cursor:pointer;
  display:flex;align-items:center;justify-content:center;padding:4px;border-radius:6px;
}
.icon-btn:hover{color:var(--text);background:rgba(255,255,255,.06)}

.topbar-stats{
  margin-left:auto;
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-dim);
  white-space:nowrap;
}
#liveCount{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums}
.status-dot{
  width:8px;height:8px;border-radius:50%;background:var(--warn);
  box-shadow:0 0 6px var(--warn);
  animation:pulse 1.6s infinite ease-in-out;
}
.status-dot.ok{background:var(--accent);box-shadow:0 0 6px var(--accent)}
.status-dot.err{background:var(--danger);box-shadow:0 0 6px var(--danger);animation:none}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

.mobile-only{display:none}

/* ===== Layout principal ===== */
#main{flex:1;display:flex;min-height:0;position:relative}
#mapWrap{flex:1;position:relative;min-width:0}
#map{position:absolute;inset:0;background:#0a0f18}

#sidebar{
  width:340px;flex-shrink:0;
  background:var(--bg-panel);
  border-left:1px solid var(--border);
  display:flex;flex-direction:column;
  min-height:0;
}
.sidebar-tabs{display:flex;border-bottom:1px solid var(--border);flex-shrink:0}
.tab-btn{
  flex:1;background:transparent;border:0;color:var(--text-dim);
  padding:12px;font-size:13px;font-weight:600;cursor:pointer;
  border-bottom:2px solid transparent;
}
.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}
.tab-panel{display:none;flex:1;min-height:0;overflow:hidden;flex-direction:column}
.tab-panel.active{display:flex}

/* Lista de vuelos */
.flight-list{overflow-y:auto;flex:1}
.flight-row{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-bottom:1px solid var(--border);
  cursor:pointer;
}
.flight-row:hover{background:var(--bg-panel-2)}
.flight-row.selected{background:rgba(0,230,168,.08);border-left:2px solid var(--accent)}
.flight-row .plane-ico{color:var(--accent-2);flex-shrink:0}
.flight-row .fr-main{flex:1;min-width:0}
.flight-row .fr-call{font-weight:700;font-size:13.5px;letter-spacing:.3px}
.flight-row .fr-sub{font-size:11.5px;color:var(--text-dim);margin-top:2px}
.flight-row .fr-alt{font-size:11.5px;color:var(--text-dim);text-align:right;white-space:nowrap}
.empty-hint{padding:20px;color:var(--text-dim);font-size:13px;line-height:1.5}

/* Detalle */
.flight-detail{padding:18px;overflow-y:auto;flex:1}
.fd-callsign{font-size:22px;font-weight:800;letter-spacing:.5px}
.fd-icao{color:var(--text-dim);font-size:12.5px;margin-top:2px}
.fd-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.fd-item{background:var(--bg-panel-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px}
.fd-item .fd-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-dim)}
.fd-item .fd-value{font-size:17px;font-weight:700;margin-top:3px;font-variant-numeric:tabular-nums}
.fd-item .fd-value small{font-size:11px;color:var(--text-dim);font-weight:500}
.fd-close-btn{
  margin-top:22px;width:100%;padding:10px;border-radius:8px;
  border:1px solid var(--border);background:var(--bg-panel-2);color:var(--text-dim);
  cursor:pointer;font-size:13px;
}
.fd-close-btn:hover{color:var(--text)}

/* Bloque de ruta (origen -> destino) */
.route-block{
  margin-top:14px;padding:12px;
  background:var(--bg-panel-2);border:1px solid var(--border);border-radius:8px;
}
.route-row{display:flex;align-items:center;gap:10px}
.route-airport{flex:1;min-width:0}
.route-code{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--accent)}
.route-city{font-size:11.5px;color:var(--text-dim);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.route-arrow{color:var(--accent-2);font-size:15px;flex-shrink:0}
.route-airline{margin-top:8px;font-size:11.5px;color:var(--text-dim)}
.route-loading,.route-none{
  margin-top:14px;padding:10px 12px;font-size:12.5px;color:var(--text-dim);
  background:var(--bg-panel-2);border:1px solid var(--border);border-radius:8px;
}

/* Scrollbars */
.flight-list::-webkit-scrollbar,.flight-detail::-webkit-scrollbar{width:7px}
.flight-list::-webkit-scrollbar-thumb,.flight-detail::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}

/* ===== Leyenda ===== */
#legend{
  position:absolute;left:14px;bottom:14px;z-index:900;
  background:rgba(13,20,32,.9);backdrop-filter:blur(4px);
  border:1px solid var(--border);border-radius:8px;
  padding:8px 12px;display:flex;gap:14px;font-size:11.5px;color:var(--text-dim);
  flex-wrap:wrap;max-width:calc(100vw - 28px);
}
#legend .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}
.dot-low{background:#ffd23a}
.dot-mid{background:#3aa0ff}
.dot-high{background:#00e6a8}
.dot-ground{background:#7c8aa0}

/* ===== Leaflet overrides ===== */
.leaflet-container{background:#0a0f18}
.dark-tiles{
  filter: invert(1) hue-rotate(200deg) brightness(0.92) contrast(0.9) saturate(0.7);
}
.plane-canvas{position:absolute;top:0;left:0;z-index:450}

/* ===== Menú "Tipo de mapa" (grande, fácil de ver) ===== */
#mapStyleMenu{
  position:absolute;top:14px;right:14px;z-index:1000;
}
.map-style-btn{
  display:flex;align-items:center;gap:9px;
  background:var(--bg-panel);border:1px solid var(--border);
  color:var(--text);border-radius:10px;
  padding:12px 18px;
  font-size:16px;font-weight:700;
  cursor:pointer;
  box-shadow:0 4px 14px rgba(0,0,0,.45);
}
.map-style-btn svg{color:var(--accent);flex-shrink:0}
.map-style-btn:hover{background:var(--bg-panel-2)}

.map-style-panel{
  position:absolute;top:calc(100% + 8px);right:0;
  display:flex;flex-direction:column;gap:6px;
  background:var(--bg-panel);border:1px solid var(--border);
  border-radius:10px;padding:10px;
  box-shadow:0 6px 20px rgba(0,0,0,.5);
  min-width:210px;
}
.map-style-option{
  background:var(--bg-panel-2);border:1px solid transparent;
  color:var(--text);border-radius:8px;
  padding:14px 16px;
  font-size:16px;font-weight:600;text-align:left;
  cursor:pointer;
}
.map-style-option:hover{border-color:var(--border)}
.map-style-option.active{
  background:rgba(0,230,168,.14);border-color:var(--accent-dim);color:var(--accent);
}

@media (max-width:820px){
  .map-style-btn span{display:none}
  .map-style-btn{padding:12px}
  #mapStyleMenu{top:10px;right:10px}
}

.leaflet-control-attribution{background:rgba(7,11,18,.7)!important;color:var(--text-dim)!important;font-size:10px!important}
.leaflet-control-attribution a{color:var(--accent-2)!important}
.leaflet-control-zoom a{
  background:var(--bg-panel)!important;color:var(--text)!important;border-color:var(--border)!important;
}
.leaflet-control-zoom a:hover{background:var(--bg-panel-2)!important}

/* Popup de avión */
.plane-popup{font-size:12.5px;line-height:1.5;min-width:150px}
.plane-popup b{font-size:14px;letter-spacing:.3px}
.leaflet-popup-content-wrapper{background:var(--bg-panel);color:var(--text);border-radius:8px;border:1px solid var(--border)}
.leaflet-popup-tip{background:var(--bg-panel);border:1px solid var(--border)}
.leaflet-popup-close-button{color:var(--text-dim)!important}

/* ===== Toast ===== */
.toast{
  position:absolute;left:50%;bottom:20px;transform:translateX(-50%);
  background:var(--bg-panel-2);border:1px solid var(--border);
  padding:9px 16px;border-radius:8px;font-size:12.5px;color:var(--text-dim);
  z-index:1000;
}

/* ===== Responsive ===== */
@media (max-width:820px){
  .mobile-only{display:flex}
  .search-wrap{max-width:none}
  .topbar-stats{display:none}
  #sidebar{
    position:absolute;top:0;right:0;bottom:0;
    transform:translateX(100%);transition:transform .25s ease;
    box-shadow:-8px 0 24px rgba(0,0,0,.4);
    width:86vw;max-width:360px;z-index:1100;
  }
  #sidebar.open{transform:translateX(0)}
  #legend{font-size:10.5px;gap:8px;padding:6px 9px}
}