:root{
  --bg:#0b1419;--bg2:#101d24;--panel:rgba(12,22,28,.92);--line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.16);
  --ink:#e8f1f2;--muted:#8fa3a8;--accent:#14d5cf;--accent-ink:#04211f;
  --tramo:#14d5cf;--tunel:#ff7a45;--pasarela:#7ddc6b;--cm:#b48cff;--ct:#5b8cff;--foto:#f4f1e8;
  --r:12px;--shadow:0 10px 30px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:Outfit,system-ui,sans-serif;overflow:hidden}
#cesium{position:fixed;inset:0}
button{font:inherit;color:inherit;cursor:pointer}
.topbar{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;gap:18px;padding:10px 16px;
  background:linear-gradient(180deg,rgba(11,20,25,.96),rgba(11,20,25,.82));border-bottom:1px solid var(--line);z-index:5;backdrop-filter:blur(6px)}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand-mark{font-weight:300;letter-spacing:.14em;font-size:18px}.brand-mark b{font-weight:700;color:var(--accent)}
.brand-sep{width:1px;height:22px;background:var(--line2)}
.brand-sub{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em}
.title{min-width:0;flex:1}
.title h1{margin:0;font-size:17px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.title p{margin:1px 0 0;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ctx{font-size:11px;padding:5px 10px;border:1px solid var(--line2);border-radius:999px;color:var(--muted);white-space:nowrap}
.ctx.google{border-color:var(--accent);color:var(--accent)}

.panel{position:fixed;top:72px;left:14px;bottom:44px;width:318px;overflow:auto;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r);padding:14px;z-index:4;box-shadow:var(--shadow);backdrop-filter:blur(8px);scrollbar-width:thin}
.panel section{margin-bottom:16px}
.kicker{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:8px}
.kicker .hint{text-transform:none;letter-spacing:0}
.seg{display:grid;grid-template-columns:1fr 1fr .8fr;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px}
.seg button{border:0;background:transparent;border-radius:8px;padding:8px 4px;font-size:13px;color:var(--muted)}
.seg button[aria-checked="true"]{background:var(--accent);color:var(--accent-ink);font-weight:600}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}
.metrics div{background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:7px 8px}
.metrics b{display:block;font-size:17px;font-weight:600}
.metrics span{font-size:11px;color:var(--muted)}
.layers label{display:flex;align-items:center;gap:10px;padding:7px 4px;border-bottom:1px solid var(--line);font-size:14px;cursor:pointer}
.layers label:last-child{border-bottom:0}
.layers input{appearance:none;width:34px;height:20px;border-radius:999px;background:#25343b;position:relative;flex:none;cursor:pointer;transition:.15s}
.layers input::after{content:"";position:absolute;top:3px;left:3px;width:14px;height:14px;border-radius:50%;background:#9fb0b4;transition:.15s}
.layers input:checked{background:var(--accent)}.layers input:checked::after{left:17px;background:var(--accent-ink)}
.layers .sw{width:12px;height:12px;border-radius:3px;flex:none}
.layers .lbl{flex:1}.layers .n{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.zones{display:grid;gap:6px}
.zone{display:grid;grid-template-columns:40px 1fr;gap:10px;align-items:start;text-align:left;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:8px}
.zone:hover,.zone.active{border-color:var(--accent)}
.zone code{font-family:inherit;font-weight:700;color:var(--accent);font-size:15px;padding-top:1px}
.zone b{display:block;font-size:13px;font-weight:600}
.zone small{display:block;font-size:11.5px;color:var(--muted);line-height:1.35;margin-top:2px}
.note{font-size:11.5px;color:var(--muted);line-height:1.45;margin:0}

.panel-toggle{display:none;position:fixed;left:14px;bottom:52px;z-index:6;width:44px;height:44px;border-radius:50%;border:1px solid var(--line2);background:var(--panel);font-size:18px}

.card{position:fixed;top:72px;right:14px;width:360px;max-height:calc(100% - 120px);overflow:auto;background:var(--panel);border:1px solid var(--line);
  border-left:3px solid var(--accent);border-radius:var(--r);padding:16px 16px 14px;z-index:4;box-shadow:var(--shadow);backdrop-filter:blur(8px)}
.card-close{position:absolute;top:8px;right:10px;border:0;background:transparent;font-size:22px;color:var(--muted)}
.card .tag{display:inline-block;font-size:11px;text-transform:uppercase;letter-spacing:.1em;padding:3px 8px;border-radius:999px;color:var(--accent-ink);font-weight:600}
.card h2{font-size:19px;margin:8px 28px 2px 0;font-weight:600;line-height:1.25}
.card .meta{font-size:12.5px;color:var(--muted);margin-bottom:10px}
.card h3{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:14px 0 6px;font-weight:500}
.card table{width:100%;border-collapse:collapse;font-size:13px}
.card td{padding:5px 0;border-bottom:1px solid var(--line);vertical-align:top}
.card td:last-child{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;padding-left:10px;white-space:nowrap}
.card td small{color:var(--muted)}
.card ul{margin:0;padding-left:18px;font-size:13px;line-height:1.5}
.card .kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:13px}
.card .kv span{color:var(--muted)}
.card .ops{display:flex;flex-wrap:wrap;gap:5px}
.card .ops span{font-size:11.5px;border:1px solid var(--line2);border-radius:999px;padding:3px 8px}
.card .src{font-size:11.5px;color:var(--muted);margin-top:12px;line-height:1.4}
.card .fly{margin-top:12px;border:1px solid var(--accent);background:transparent;color:var(--accent);border-radius:8px;padding:6px 12px;font-size:13px}

.loading{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;gap:12px;background:var(--bg);z-index:9;font-size:14px;color:var(--muted);transition:opacity .4s}
.loading.done{opacity:0;pointer-events:none}
.spinner{width:22px;height:22px;border-radius:50%;border:2px solid var(--line2);border-top-color:var(--accent);animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

/* Atribuciones de Cesium ion / Google siempre visibles */
.cesium-viewer-bottom{left:auto!important;right:8px!important;bottom:6px!important;z-index:7!important;display:block!important;
  background:rgba(11,20,25,.78);border-radius:8px;padding:3px 8px;max-width:calc(100% - 16px)}
.cesium-credit-textContainer,.cesium-credit-expand-link{color:#cfdcde!important;font-size:11px}
.cesium-credit-logoContainer{display:inline-block!important}
.cesium-viewer .cesium-widget-credits{display:block!important}
.cesium-selection-wrapper svg{filter:drop-shadow(0 0 2px #000)}

@media (max-width:860px){
  .topbar{gap:10px;padding:8px 12px}.brand-sub,.brand-sep,.title p{display:none}.title h1{font-size:14px}
  .panel{top:auto;left:8px;right:8px;bottom:50px;width:auto;max-height:52vh;transform:translateY(calc(100% + 60px));transition:transform .25s}
  .panel.open{transform:none}
  .panel-toggle{display:block}
  .card{top:auto;left:8px;right:8px;bottom:50px;width:auto;max-height:58vh}
  .ctx{display:none}
}

.foto-mini{display:flex;align-items:center;gap:12px;margin:4px 0 12px;padding:0;border:1px solid var(--line2);border-radius:10px;background:var(--bg2);overflow:hidden;width:100%;text-align:left}
.foto-mini img{display:block;width:96px;height:72px;object-fit:cover;flex:none}
.foto-mini span{font-size:13px;color:var(--accent)}
.foto-mini:hover{border-color:var(--accent)}
.lightbox{position:fixed;inset:0;z-index:20;background:rgba(5,10,13,.92);display:flex;align-items:center;justify-content:center;padding:24px}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;max-width:min(1400px,100%);max-height:100%;display:flex;flex-direction:column;gap:8px}
.lightbox img{max-width:100%;max-height:calc(100vh - 90px);object-fit:contain;border-radius:8px}
.lightbox figcaption{font-size:13px;color:var(--muted);text-align:center}
.lightbox button{position:absolute;top:12px;right:16px;border:0;background:transparent;color:#fff;font-size:30px}