@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --bg:#0b0f17; --panel:#10151f; --panel-2:#0d121a;
  --border:#1e2633; --border-soft:#171e29;
  --text:#e8ecf3; --text-dim:#8a94a6; --text-faint:#525d6f;
  --brand:#2dd4bf; --brand-2:#0d9488;
  --ok:#34d399; --warn:#fbbf24; --err:#f87171; --gap:#8a94a6;
  --radius:10px; --radius-sm:6px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --maxw:1080px;
}
*{box-sizing:border-box;margin:0;padding:0;font-family:var(--font);}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);line-height:1.5;}
a{color:inherit;}
img{max-width:100%;display:block;}

/* ── Nav ── */
#nav{position:sticky;top:0;z-index:50;background:rgba(11,15,23,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--border);}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:.85rem 1.5rem;
  display:flex;align-items:center;gap:1rem;}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:.95rem;}
.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);}
.brand .sub{color:var(--text-dim);font-weight:500;font-size:.85em;}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:1.3rem;font-size:.83rem;color:var(--text-dim);}
.nav-links a{text-decoration:none;}
.nav-links a:hover{color:var(--brand);}
.btn{background:var(--brand);color:#04211d;font-weight:700;font-size:.8rem;
  padding:.5rem 1.05rem;border-radius:7px;text-decoration:none;white-space:nowrap;border:none;cursor:pointer;}
.btn:hover{background:#5eead4;}
.btn-ghost{border:1px solid var(--border);color:var(--text-dim);padding:.5rem 1.05rem;
  border-radius:7px;text-decoration:none;font-size:.8rem;font-weight:600;background:none;cursor:pointer;}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}

/* ── Layout ── */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;}
section{padding:3rem 0;}
section.tight{padding:1.6rem 0;}
h2{font-size:1.35rem;font-weight:700;letter-spacing:-.01em;margin-bottom:.35rem;}
.eyebrow{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;
  color:var(--brand);margin-bottom:.5rem;}
.lede{color:var(--text-dim);font-size:.94rem;max-width:600px;margin-bottom:1.6rem;}

/* ── Hero ── */
#hero{padding:3.4rem 0 2.6rem;border-bottom:1px solid var(--border);}
#hero h1{font-size:2.15rem;font-weight:800;letter-spacing:-.02em;line-height:1.15;
  margin:.7rem 0 1rem;max-width:720px;}
#hero p{font-size:1rem;color:var(--text-dim);max-width:600px;margin-bottom:1.5rem;}
.hero-meta{display:flex;gap:1.6rem;flex-wrap:wrap;font-size:.8rem;color:var(--text-faint);margin-bottom:1.6rem;}
.hero-meta b{color:var(--text-dim);font-weight:600;}
.hero-cta{display:flex;gap:.7rem;flex-wrap:wrap;}

/* ── KPI grid ── */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem;}
.kpi{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.15rem 1.3rem;}
.kpi .num{font-family:var(--mono);font-size:1.9rem;font-weight:700;color:var(--text);line-height:1;margin-bottom:.4rem;}
.kpi .num .unit{font-size:.5em;color:var(--text-faint);font-weight:600;margin-left:.15em;}
.kpi .lbl{font-size:.76rem;color:var(--text-dim);font-weight:600;}
.kpi .note{font-size:.68rem;color:var(--text-faint);margin-top:.25rem;}

/* ── Cards / grid ── */
.grid2{display:grid;grid-template-columns:1.1fr .9fr;gap:1.3rem;align-items:start;}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem;}
.card h3{font-size:.9rem;font-weight:700;margin-bottom:.9rem;}

.cbar-row{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem;}
.cbar-row:last-child{margin-bottom:0;}
.cbar-label{width:96px;flex-shrink:0;font-size:.78rem;color:var(--text-dim);font-weight:600;}
.cbar-track{flex:1;height:8px;background:var(--border-soft);border-radius:99px;overflow:hidden;}
.cbar-fill{height:100%;border-radius:99px;background:var(--brand);}
.cbar-pct{width:48px;text-align:right;flex-shrink:0;font-family:var(--mono);font-size:.8rem;font-weight:700;}
.cbar-n{width:72px;text-align:right;flex-shrink:0;font-size:.66rem;color:var(--text-faint);}

.mlist{display:flex;flex-direction:column;gap:.9rem;}
.mitem{display:flex;gap:.85rem;}
.mitem .idx{width:24px;height:24px;border-radius:6px;background:rgba(45,212,191,.1);
  border:1px solid rgba(45,212,191,.25);color:var(--brand);font-family:var(--mono);
  font-weight:700;font-size:.72rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.mitem b{font-size:.84rem;display:block;margin-bottom:.15rem;}
.mitem p{font-size:.78rem;color:var(--text-dim);}

#foot{border-top:1px solid var(--border);padding:1.6rem 0;margin-top:1rem;}
#foot .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;}
#foot p{font-size:.74rem;color:var(--text-faint);}
.tag{font-size:.66rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.09em;
  border:1px solid var(--border);padding:.22rem .65rem;border-radius:999px;}

@media (max-width:820px){
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .grid2{grid-template-columns:1fr;}
}

/* ══════════════════════ Explorer-specific ══════════════════════ */
body.explorer{height:100vh;overflow:hidden;display:flex;flex-direction:column;}
#exp-header{
  padding:.6rem 1.1rem;display:flex;align-items:center;gap:.9rem;flex-shrink:0;
  border-bottom:1px solid var(--border);flex-wrap:wrap;background:var(--panel-2);
}
#exp-header .brand{white-space:nowrap;}
.exp-back{font-size:.75rem;color:var(--text-dim);text-decoration:none;padding:.25rem .65rem;
  border:1px solid var(--border);border-radius:999px;white-space:nowrap;}
.exp-back:hover{color:var(--brand);border-color:var(--brand);}
#h-clock{font-size:.78rem;font-family:var(--mono);color:var(--text-dim);min-width:150px;}
#h-wid{font-size:.72rem;background:var(--panel);border:1px solid var(--border);
  border-radius:5px;padding:.12rem .5rem;color:#7dd3fc;font-family:var(--mono);}
#h-result{font-size:.74rem;font-weight:700;padding:.15rem .6rem;border-radius:6px;letter-spacing:.03em;}
.res-ok{background:rgba(52,211,153,.14);color:var(--ok);border:1px solid rgba(52,211,153,.35);}
.res-miss{background:rgba(248,113,113,.14);color:var(--err);border:1px solid rgba(248,113,113,.35);}
.res-unk{background:rgba(251,191,36,.12);color:var(--warn);border:1px solid rgba(251,191,36,.3);}
.res-gps{background:rgba(244,114,182,.12);color:#f472b6;border:1px solid rgba(244,114,182,.35);}
.res-gap{background:rgba(138,148,166,.12);color:var(--gap);border:1px solid rgba(138,148,166,.3);}
#h-pills{display:flex;gap:.45rem;margin-left:auto;flex-wrap:wrap;}
.pill{font-size:.66rem;padding:.14rem .55rem;border-radius:999px;font-weight:600;font-family:var(--mono);}
.pill-type{background:rgba(45,212,191,.13);color:var(--brand);border:1px solid rgba(45,212,191,.3);}
.pill-dist{background:rgba(167,139,250,.13);color:#c4b5fd;border:1px solid rgba(167,139,250,.3);}
.pill-cnt{background:rgba(251,191,36,.13);color:var(--warn);border:1px solid rgba(251,191,36,.3);}
.pill-ais{background:rgba(52,211,153,.13);color:var(--ok);border:1px solid rgba(52,211,153,.3);}
.wbadge{display:inline-block;padding:1px 6px;border-radius:5px;font-size:9px;font-weight:700;
  text-transform:uppercase;margin-left:5px;background:rgba(138,148,166,.15);color:var(--gap);}

#body-row{flex:1;display:flex;overflow:hidden;}
#map{flex:1;position:relative;}
.leaflet-container{background:var(--bg)!important;}

#panel{width:400px;flex-shrink:0;background:var(--panel);border-left:1px solid var(--border);
  display:flex;flex-direction:column;overflow:hidden;}
#det-status{padding:.65rem 1.05rem;border-bottom:1px solid var(--border-soft);flex-shrink:0;
  display:flex;align-items:center;gap:.6rem;}
#det-badge{font-size:.92rem;font-weight:700;padding:.3rem .8rem;border-radius:7px;flex-shrink:0;}
.det-ok{background:rgba(52,211,153,.12);color:var(--ok);border:1px solid rgba(52,211,153,.3);}
.det-miss{background:rgba(248,113,113,.12);color:var(--err);border:1px solid rgba(248,113,113,.3);}
.det-gps{background:rgba(244,114,182,.1);color:#f472b6;border:1px solid rgba(244,114,182,.3);}
.det-unk{background:rgba(251,191,36,.1);color:var(--warn);border:1px solid rgba(251,191,36,.25);}
#det-sub{font-size:.76rem;color:var(--text-dim);line-height:1.4;}

#boxes{padding:.65rem .95rem .5rem;border-bottom:1px solid var(--border-soft);flex-shrink:0;
  display:flex;flex-direction:column;gap:.5rem;}
.mbox{border-radius:var(--radius-sm);padding:.55rem .75rem;border:1.5px solid var(--border);}
.mbox-hdr{display:flex;justify-content:space-between;align-items:center;margin-bottom:.4rem;}
.mbox-title{font-size:.6rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint);}
.mbox-badge{font-size:.62rem;font-weight:700;padding:1px 7px;border-radius:4px;}
.mbox-body{display:flex;align-items:center;gap:6px;}
.mbox-col{flex:1;text-align:center;}
.mbox-lbl{font-size:.55rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:3px;}
.mbox-num{font-size:1.22rem;font-weight:700;font-family:var(--mono);color:var(--text);line-height:1;}
.mbox-sub{font-size:.58rem;color:var(--text-dim);margin-top:2px;}
.mbox-div{width:1px;background:var(--border);align-self:stretch;flex-shrink:0;margin:0 2px;}
.mbox-na{color:var(--text-faint);font-size:.78rem;}
.type-chip{display:inline-flex;align-items:center;gap:4px;padding:.2rem .45rem;border-radius:5px;font-size:.72rem;font-weight:700;}
.type-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;}
.bstrip{display:flex;gap:3px;margin-top:2px;}
.buck{flex:1;text-align:center;padding:3px 2px;border-radius:4px;font-size:.72rem;font-weight:700;
  background:rgba(255,255,255,.02);color:var(--text-faint);border:1.5px solid transparent;}
.buck-p{background:rgba(45,212,191,.14);color:var(--brand);border-color:rgba(45,212,191,.4);}
.buck-g{background:rgba(52,211,153,.1);color:var(--ok);border-color:rgba(52,211,153,.3);}
.buck-ok{background:rgba(52,211,153,.2);color:var(--ok);border-color:rgba(52,211,153,.5);}
.mb-green{border-color:rgba(52,211,153,.5)!important;background:rgba(52,211,153,.045);}
.mb-yellow{border-color:rgba(251,191,36,.42)!important;background:rgba(251,191,36,.035);}
.mb-red{border-color:rgba(248,113,113,.42)!important;background:rgba(248,113,113,.035);}
.mb-gray{border-color:var(--border-soft)!important;background:transparent;}
.bdg-ok{background:rgba(52,211,153,.16);color:var(--ok);}
.bdg-yw{background:rgba(251,191,36,.16);color:var(--warn);}
.bdg-rd{background:rgba(248,113,113,.16);color:var(--err);}
.bdg-gy{background:rgba(138,148,166,.14);color:var(--text-dim);}

#vlist-section{flex:1;overflow-y:auto;padding:.65rem 1.05rem;}
#vlist-section h2{font-size:.66rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--text-faint);font-weight:700;margin-bottom:.5rem;}
.vrow{display:flex;align-items:center;gap:6px;padding:5px 0;border-bottom:1px solid var(--border-soft);font-size:.76rem;}
.vrow:last-child{border-bottom:none;}
.vdot{width:7px;height:7px;border-radius:50%;flex-shrink:0;}
.vname{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-dim);}
.vdist{font-family:var(--mono);font-size:.68rem;color:var(--text-faint);white-space:nowrap;}
.vbadge-in{font-size:.58rem;font-weight:700;padding:1px 5px;border-radius:4px;
  background:rgba(45,212,191,.13);color:var(--brand);white-space:nowrap;}
.vbadge-out{font-size:.58rem;color:var(--text-faint);}

#legend{position:absolute;bottom:12px;left:12px;z-index:900;background:rgba(11,15,23,.92);
  border:1px solid var(--border);border-radius:var(--radius-sm);padding:.55rem .8rem;
  font-size:.7rem;line-height:1.85;backdrop-filter:blur(6px);}
.lstripe{display:inline-block;width:12px;height:8px;border-radius:2px;margin-right:5px;vertical-align:middle;
  background:repeating-linear-gradient(135deg,#f472b6 0 1.5px,#3a1f33 1.5px 4px);}
.ldot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;vertical-align:middle;}
.lring{display:inline-block;width:12px;height:12px;border-radius:50%;border:2px solid currentColor;
  vertical-align:middle;margin-right:4px;}

#controls{background:var(--panel-2);padding:.5rem 1rem;flex-shrink:0;display:flex;align-items:center;
  gap:.6rem;flex-wrap:wrap;border-top:1px solid var(--border);}
button.ctl{background:var(--brand-2);border:none;color:#04211d;font-weight:700;padding:.28rem .75rem;
  border-radius:6px;cursor:pointer;font-size:.78rem;white-space:nowrap;}
button.ctl:hover{background:var(--brand);}
button.ctl.active{background:#dc2626;color:#fff;}
#speed{background:var(--border-soft);color:var(--text);border:1px solid var(--border);padding:.26rem .4rem;
  border-radius:5px;font-size:.75rem;}
#tl-canvas{width:100%;height:26px;display:block;cursor:crosshair;border-radius:5px;margin:.25rem 0 .12rem;}
#tl-dates{display:flex;justify-content:space-between;font-size:.64rem;color:var(--text-faint);font-family:var(--mono);}

.leaflet-popup-content-wrapper{background:var(--panel);color:var(--text);border:1px solid var(--border);
  border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.4);}
.leaflet-popup-tip{background:var(--panel);}
.leaflet-popup-content{margin:8px 12px;font-size:11px;line-height:1.55;}
.leaflet-control-zoom a{background:var(--border-soft)!important;color:var(--text)!important;border-color:var(--border)!important;}
.leaflet-control-attribution{background:#0b0f17aa!important;color:var(--text-faint)!important;font-size:9px!important;}

#loading-overlay{position:absolute;inset:0;background:rgba(11,15,23,.85);z-index:2000;
  display:flex;align-items:center;justify-content:center;font-size:.85rem;color:var(--text-dim);}