:root{
  --bg:#080b14;--bg2:#0d1120;--bg3:#131829;--bg4:#1a2035;
  --surface:rgba(15,20,38,.85);--surface2:rgba(20,28,52,.7);
  --brd:rgba(148,163,184,.06);--brd2:rgba(148,163,184,.12);--brd3:rgba(148,163,184,.2);
  --t1:#f1f5f9;--t2:#b0bec5;--t3:#8899a6;--t4:#5f7082;--t5:#3e4c5e;
  --grA:#2dd4bf;--grB:#60a5fa;--grC:#fbbf24;--grD:#f97316;--grF:#dc2626;
  --mob:#c084fc;--age:#fb923c;--mix:#38bdf8;--pop:#f472b6;--comb:#a78bfa;
  --accent:#6366f1;--accent2:#818cf8;
  --font:'Outfit',system-ui,sans-serif;--mono:'JetBrains Mono',monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --panel-w:400px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{height:100%}
body{background:var(--bg);color:var(--t1);font-family:var(--font);overflow:hidden;height:100vh;-webkit-font-smoothing:antialiased}

/* ── Subtle grain overlay ── */
body::before{content:'';position:fixed;inset:0;opacity:.025;pointer-events:none;z-index:9999;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size:128px 128px}

/* ── Header ── */
header{height:56px;display:flex;align-items:center;gap:14px;padding:0 20px;background:var(--bg2);border-bottom:1px solid var(--brd);z-index:1001;position:relative;backdrop-filter:blur(12px)}
header::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(99,102,241,.15),transparent)}
.logo{display:flex;align-items:baseline;gap:8px;white-space:nowrap}
.logo-mark{font-size:18px;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,#f1f5f9,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.logo-sub{color:var(--t4);font-size:10px;font-weight:500;letter-spacing:.08em;text-transform:uppercase}

.srch{margin-left:auto;position:relative;width:320px;flex-shrink:0}
.srch input{width:100%;height:36px;border-radius:10px;border:1px solid var(--brd2);background:rgba(0,0,0,.4);color:var(--t1);padding:0 14px 0 36px;font:13px var(--font);font-weight:400;outline:none;transition:all .25s var(--ease)}
.srch input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.1),0 0 20px rgba(99,102,241,.05)}
.srch input::placeholder{color:var(--t4)}
.srch-ic{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--t4);font-size:14px;pointer-events:none;transition:color .2s}
.srch input:focus~.srch-ic{color:var(--accent2)}
.srch-res{position:absolute;top:42px;left:0;right:0;background:var(--bg3);border:1px solid var(--brd2);border-radius:12px;max-height:260px;overflow-y:auto;display:none;z-index:2000;box-shadow:0 16px 48px rgba(0,0,0,.6),0 0 0 1px rgba(99,102,241,.05)}
.srch-res.open{display:block}
.sr-i{padding:10px 14px;cursor:pointer;border-bottom:1px solid var(--brd);transition:background .15s}
.sr-i:last-child{border-bottom:none}
.sr-i:hover{background:rgba(99,102,241,.06)}
.sr-i b{color:var(--t1);font-weight:600;font-size:13px}
.sr-i .sub{color:var(--t4);font-size:11px;margin-top:2px}

.sts{display:flex;gap:12px;font:10px var(--mono);font-weight:500;color:var(--t4);margin-left:16px;flex-shrink:0}
.d{width:6px;height:6px;border-radius:50%;display:inline-block;margin-right:4px;vertical-align:middle}
.d-ok{background:var(--grA);box-shadow:0 0 6px rgba(52,211,153,.35)}
.d-ld{background:#6366f1;animation:blink 1s infinite}
.d-er{background:var(--grF)}.d-wr{background:var(--grC)}

@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes scaleIn{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}
@keyframes shimmer{to{background-position:200% center}}
@keyframes drawIn{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes windDrift{0%{transform:translateX(0) rotate(0deg)}50%{transform:translateX(12px) rotate(2deg)}100%{transform:translateX(0) rotate(0deg)}}

/* ── Layout ── */
#main{display:flex;height:calc(100vh - 56px)}

/* ── Sidebar ── */
#sb{width:220px;flex-shrink:0;background:var(--bg2);border-right:1px solid var(--brd);padding:0 12px 16px;overflow-y:auto;font-size:11px}
#sb::-webkit-scrollbar{width:4px}#sb::-webkit-scrollbar-thumb{background:var(--brd2);border-radius:2px}
.sec{font:700 9px var(--mono);color:var(--t4);letter-spacing:.12em;margin:16px 0 6px;user-select:none}

.mtabs{display:flex;gap:3px;padding:12px 0 8px;position:sticky;top:0;background:var(--bg2);z-index:5}
.mtab{flex:1;padding:7px 3px;border-radius:8px;border:1px solid var(--brd);background:none;color:var(--t4);font:600 8px var(--mono);cursor:pointer;transition:all .2s var(--ease);letter-spacing:.04em;text-align:center}
.mtab:hover{border-color:var(--brd2);color:var(--t3)}
.mtab.on{color:var(--t1);border-color:var(--brd2)}
.mtab[data-m="sqi"].on{background:rgba(251,146,60,.08);border-color:rgba(251,146,60,.18);color:var(--age)}
.mtab[data-m="vpi"].on{background:rgba(244,114,182,.08);border-color:rgba(244,114,182,.18);color:var(--pop)}
.mtab[data-m="combined"].on{background:rgba(99,102,241,.08);border-color:rgba(99,102,241,.18);color:var(--accent2)}

.lbtn{display:flex;align-items:center;gap:7px;width:100%;background:none;border:1px solid transparent;border-radius:8px;padding:6px 8px;margin-bottom:2px;cursor:pointer;color:var(--t3);font:11px var(--font);font-weight:500;text-align:left;transition:all .2s var(--ease)}
.lbtn:hover{background:rgba(148,163,184,.03);color:var(--t2)}
.lbtn.on{background:rgba(148,163,184,.04);border-color:var(--brd);color:var(--t1)}
.lbox{width:10px;height:10px;border-radius:3px;flex-shrink:0;border:2px solid var(--t4);transition:all .2s var(--ease)}
.lbtn.on .lbox{border-color:var(--lc);background:var(--lc);box-shadow:0 0 6px color-mix(in srgb,var(--lc),transparent 50%)}
.gr-row{display:flex;align-items:center;gap:6px;margin-bottom:4px;font-size:10px;color:var(--t1)}
.gr-sw{width:10px;height:10px;border-radius:3px;flex-shrink:0}
.bm-row{display:flex;gap:3px;margin-top:3px}
.bm-b{flex:1;padding:6px;border-radius:6px;border:1px solid var(--brd);background:none;color:var(--t4);font:500 10px var(--font);cursor:pointer;transition:all .2s var(--ease)}
.bm-b:hover{border-color:var(--brd2)}
.bm-b.on{background:rgba(99,102,241,.08);border-color:rgba(99,102,241,.15);color:var(--t1)}
.fm{background:rgba(0,0,0,.3);border-radius:8px;padding:8px 10px;font:9px/1.8 var(--mono);color:var(--t2);border:1px solid var(--brd);margin-top:4px}
.sb-hint{font-size:10px;color:var(--t2);line-height:1.5;margin-top:10px}

/* ── Map Container ── */
#mc{flex:1;position:relative}
#map{width:100%;height:100%}
.leaflet-container{background:#060914!important}
.leaflet-control-zoom{border:none!important;border-radius:10px!important;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.3)!important}
.leaflet-control-zoom a{background:var(--bg3)!important;color:var(--t2)!important;border:none!important;border-bottom:1px solid var(--brd)!important;width:34px!important;height:34px!important;line-height:34px!important;font-size:16px!important}
.leaflet-control-zoom a:hover{background:var(--bg4)!important;color:var(--t1)!important}

.badge{position:absolute;z-index:800;background:var(--surface);backdrop-filter:blur(12px);border:1px solid var(--brd);border-radius:8px;padding:6px 10px;font-size:10px;color:var(--t3);pointer-events:none}
#loadbadge{top:50%;left:50%;transform:translate(-50%,-50%);display:none;padding:14px 22px;font-size:13px;color:var(--accent2);border-radius:14px;border-color:rgba(99,102,241,.15)}
#loadbadge .sp{width:16px;height:16px;border:2px solid var(--brd2);border-top-color:var(--accent2);border-radius:50%;animation:spin .6s linear infinite;display:inline-block;vertical-align:middle;margin-right:8px}
#coords{font-family:var(--mono);font-size:10px;font-weight:500}

/* ── Right Panel ── */
#pn{width:var(--panel-w);flex-shrink:0;background:var(--bg2);border-left:1px solid var(--brd);overflow-y:auto;overflow-x:hidden;position:relative}
#pn::before{content:'';position:absolute;top:0;left:0;width:1px;height:100%;background:linear-gradient(180deg,rgba(99,102,241,.1),transparent 30%,transparent 70%,rgba(99,102,241,.1))}
#pn::-webkit-scrollbar{width:5px}#pn::-webkit-scrollbar-thumb{background:var(--brd2);border-radius:3px}
#pi{padding:20px}

/* ── Empty State (Hero) ── */
.empty-hero{text-align:center;padding:60px 24px 40px;animation:fadeIn .6s var(--ease)}
.empty-icon{position:relative;width:80px;height:80px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center}
.empty-icon .tornado-svg{animation:float 4s ease-in-out infinite}
.empty-title{font-size:20px;font-weight:700;letter-spacing:-.02em;margin-bottom:6px;background:linear-gradient(135deg,var(--t1),var(--t3));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.empty-desc{font-size:12.5px;color:var(--t3);line-height:1.6;max-width:280px;margin:0 auto 24px}
.empty-divider{width:40px;height:1px;background:linear-gradient(90deg,transparent,var(--brd3),transparent);margin:0 auto 20px}

.empty-footer{margin-top:20px;padding-top:16px;border-top:1px solid var(--brd)}
.empty-footer p{font-size:10.5px;color:var(--t4);line-height:1.55}

/* ── Loading State ── */
.loading-pn{padding:40px 24px;animation:fadeIn .3s}
.load-steps{margin-top:20px}
.load-step{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:12px;color:var(--t4);transition:all .3s var(--ease)}
.load-step.active{color:var(--accent2)}
.load-step.done{color:var(--grA)}
.load-step .ls-dot{width:8px;height:8px;border-radius:50%;border:2px solid var(--brd2);flex-shrink:0;transition:all .3s var(--ease)}
.load-step.active .ls-dot{border-color:var(--accent2);background:var(--accent2);box-shadow:0 0 8px rgba(99,102,241,.4);animation:blink 1s infinite}
.load-step.done .ls-dot{border-color:var(--grA);background:var(--grA);box-shadow:0 0 6px rgba(52,211,153,.3)}
.load-step .ls-text{font-weight:500}
.load-step .ls-sub{font-size:10px;color:var(--t5);margin-left:18px;margin-top:2px}
.load-progress{margin-top:16px;height:2px;background:var(--brd);border-radius:1px;overflow:hidden}
.load-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:1px;transition:width .4s var(--ease);width:0}

/* ── Panel Content ── */
.pn-hdr{padding-bottom:14px;border-bottom:1px solid var(--brd);margin-bottom:16px;animation:fadeUp .35s var(--ease)}
.pn-hdr .loc{font-size:18px;font-weight:700;letter-spacing:-.02em;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.mode-tag{display:inline-flex;align-items:center;padding:3px 8px;border-radius:6px;font:600 9px var(--mono);letter-spacing:.06em}
.pn-hdr .meta{font:500 10px var(--mono);color:var(--t4);margin-top:6px;display:flex;gap:4px;flex-wrap:wrap}
.pn-hdr .meta span{white-space:nowrap;background:rgba(0,0,0,.2);padding:2px 6px;border-radius:4px}

/* ── Grade Card — THE hero moment ── */
.grade-card{border-radius:16px;padding:24px;border:1px solid;text-align:center;margin-bottom:16px;animation:scaleIn .4s var(--ease);position:relative;overflow:hidden}
.grade-card::before{content:'';position:absolute;inset:0;opacity:.04;background:radial-gradient(circle at 50% 0%,currentColor,transparent 70%)}
.grade-card::after{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:conic-gradient(from 180deg,transparent,rgba(255,255,255,.01),transparent 30%);animation:spin 8s linear infinite;pointer-events:none}
.grade-lbl{font:600 9px var(--mono);color:var(--t3);letter-spacing:.12em}
.grade-letter{font:900 64px var(--mono);line-height:1;margin:6px 0}
.grade-score{font:600 13px var(--mono);color:var(--t3);margin-bottom:4px}
.grade-desc{font:600 13px var(--font);letter-spacing:.04em}
.grade-sub{font-size:11.5px;color:var(--t2);margin-top:8px;line-height:1.5}

/* Dual grades */
.duo-grades{display:flex;gap:10px;margin-bottom:16px;animation:fadeUp .4s var(--ease)}
.duo-g{flex:1;border-radius:14px;padding:16px;border:1px solid var(--brd);text-align:center;transition:all .2s var(--ease);position:relative;overflow:hidden}
.duo-g::before{content:'';position:absolute;inset:0;opacity:.03;background:radial-gradient(circle at 50% 0%,currentColor,transparent 70%)}
.duo-g .dg-lbl{font:600 8px var(--mono);color:var(--t3);letter-spacing:.1em}
.duo-g .dg-letter{font:800 36px var(--mono);line-height:1;margin:4px 0}
.duo-g .dg-score{font:500 10px var(--mono);color:var(--t2)}

/* ── Cards / Sections ── */
.card{background:rgba(0,0,0,.15);border-radius:12px;padding:14px;border:1px solid var(--brd);margin-bottom:12px;animation:fadeUp .4s var(--ease)}
.card-t{font:700 9px var(--mono);color:var(--t3);letter-spacing:.1em;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.card-t::before{content:'';width:3px;height:12px;border-radius:2px;background:var(--accent)}

/* ── Factor contribution rows ── */
.fc{display:flex;align-items:baseline;gap:8px;padding:6px 0;border-bottom:1px solid var(--brd)}
.fc:last-child{border-bottom:none}
.fc-color{width:3px;height:24px;border-radius:2px;flex-shrink:0;align-self:center}
.fc-info{flex:1;min-width:0}
.fc-name{font-size:11px;font-weight:600;color:var(--t1)}
.fc-detail{font-size:10px;color:var(--t3);margin-top:1px;line-height:1.3}
.fc-pts{text-align:right;flex-shrink:0;white-space:nowrap}
.fc-pts .fp-val{font:700 13px var(--mono)}
.fc-pts .fp-max{font:500 10px var(--mono);color:var(--t4)}

/* ── VPI stat cards (redesigned) ── */
.vpi-stat{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;margin-bottom:6px;border:1px solid var(--brd);animation:fadeUp .4s var(--ease);transition:all .2s var(--ease);background:rgba(0,0,0,.08)}
.vpi-stat:hover{border-color:var(--brd2);background:rgba(0,0,0,.15)}
.vpi-stat .vs-num{font:800 22px var(--mono);min-width:60px;text-align:right}
.vpi-stat .vs-info{font-size:10.5px;color:var(--t2);line-height:1.4}
.vpi-stat .vs-info b{color:var(--t1);font-weight:600}

/* ── Histogram ── */
.hist{display:flex;align-items:flex-end;gap:3px;height:80px;margin:8px 0 4px}
.hist-bar{flex:1;border-radius:3px 3px 0 0;min-height:2px;position:relative;cursor:default;transition:all .5s var(--ease)}
.hist-bar:hover{filter:brightness(1.3)}
.hist-bar .tip{display:none;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);background:var(--bg);border:1px solid var(--brd2);border-radius:6px;padding:4px 8px;font:500 10px var(--mono);color:var(--t1);white-space:nowrap;z-index:10;box-shadow:0 4px 12px rgba(0,0,0,.3)}
.hist-bar:hover .tip{display:block}
.hist-labels{display:flex;gap:3px;margin-top:3px}
.hist-labels span{flex:1;text-align:center;font:500 8px var(--mono);color:var(--t4)}

/* ── Collapsible sections ── */
.coll-toggle{width:100%;background:rgba(0,0,0,.12);border:1px solid var(--brd);border-radius:10px;padding:10px 14px;font:500 11.5px var(--font);color:var(--t2);cursor:pointer;text-align:left;display:flex;align-items:center;gap:8px;margin-bottom:8px;transition:all .2s var(--ease)}
.coll-toggle:hover{border-color:var(--brd2);color:var(--t1);background:rgba(0,0,0,.18)}
.coll-toggle .arr{transition:transform .25s var(--ease);font-size:9px;color:var(--t4)}
.coll-toggle.open .arr{transform:rotate(90deg)}
.coll-body{display:none;animation:fadeUp .3s var(--ease)}.coll-body.open{display:block}

/* ── Cross interaction warn ── */
.x-warn{border-radius:12px;padding:14px;margin-bottom:12px;border:1px solid rgba(99,102,241,.15);background:rgba(99,102,241,.04);animation:fadeUp .45s var(--ease)}
.x-warn .xw-title{font:700 11px var(--font);color:var(--accent2);margin-bottom:6px;display:flex;align-items:center;gap:6px}
.x-warn .xw-title::before{content:'';width:3px;height:14px;border-radius:2px;background:var(--accent)}
.x-warn .xw-body{font-size:10.5px;color:var(--t2);line-height:1.5}

/* ── Callout boxes ── */
.callout{border-radius:12px;padding:14px;margin-bottom:12px;animation:fadeUp .45s var(--ease);border:1px solid}
.callout-hdr{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.callout-hdr .callout-icon{font-size:18px}
.callout-hdr .callout-title{font:700 12px var(--font)}
.callout-body{font-size:10.5px;color:var(--t2);line-height:1.5}

/* ── Source footer ── */
.src{font:500 9.5px var(--font);color:var(--t5);padding-top:12px;border-top:1px solid var(--brd);margin-top:8px;line-height:1.5}
.err{background:rgba(127,29,29,.12);border:1px solid rgba(239,68,68,.12);border-radius:10px;padding:10px 12px;font-size:11px;color:#fca5a5;margin-bottom:10px}

/* ── MFG marker styling ── */
.mix-row{display:flex;align-items:center;gap:6px;margin-bottom:4px}
.mix-bar{height:6px;border-radius:3px;flex:1;background:rgba(148,163,184,.04);overflow:hidden}
.mix-fill{height:100%;border-radius:3px;transition:width .5s var(--ease)}
.mix-lbl{font-size:10px;color:var(--t2);width:110px;text-align:right;white-space:nowrap}
.mix-pct{font:500 10px var(--mono);color:var(--t3);width:36px}

.dg{display:grid;grid-template-columns:1fr auto;gap:3px 8px;font-size:11px}
.dg .k{color:var(--t2)}.dg .v{text-align:right;font:600 11px var(--mono)}

/* ── Worst tracts table ── */
.tract-row{display:flex;align-items:center;gap:8px;margin-bottom:5px;padding:6px 8px;border-radius:8px;background:rgba(0,0,0,.1);border:1px solid var(--brd);transition:all .2s var(--ease)}
.tract-row:hover{border-color:var(--brd2);background:rgba(0,0,0,.18)}

/* ── Warning Popup ── */
.leaflet-popup-content-wrapper{background:var(--bg3)!important;color:var(--t1)!important;border-radius:12px!important;border:1px solid var(--brd2)!important;box-shadow:0 12px 40px rgba(0,0,0,.5)!important}
.leaflet-popup-tip{background:var(--bg3)!important}
.leaflet-popup-close-button{color:var(--t3)!important;font-size:18px!important}
.warn-popup{max-width:280px;font-family:var(--font);padding:4px}
.warn-popup .wp-event{font-size:14px;font-weight:700;margin-bottom:4px}
.warn-popup .wp-event.tor{color:#dc2626}.warn-popup .wp-event.svr{color:#f97316}.warn-popup .wp-event.oth{color:#fbbf24}
.warn-popup .wp-meta{font:500 10px var(--mono);color:var(--t3);margin-bottom:8px}
.warn-popup .wp-body{font-size:11.5px;color:var(--t2);line-height:1.5;max-height:200px;overflow-y:auto}
.warn-popup .wp-body::-webkit-scrollbar{width:3px}.warn-popup .wp-body::-webkit-scrollbar-thumb{background:var(--brd2);border-radius:2px}
.warn-popup .wp-urgency{display:inline-block;padding:2px 7px;border-radius:4px;font:600 9px var(--mono);letter-spacing:.06em;margin-top:6px}

/* ── Active Warning Banner (panel) ── */
.warn-banner{border-radius:12px;padding:12px 14px;margin-bottom:12px;animation:fadeUp .35s var(--ease);border:1px solid}
.warn-banner.tor{border-color:rgba(220,38,38,.25);background:rgba(220,38,38,.08)}
.warn-banner.svr{border-color:rgba(249,115,22,.2);background:rgba(249,115,22,.06)}
.warn-banner.oth{border-color:rgba(251,191,36,.15);background:rgba(251,191,36,.04)}
.warn-banner .wb-hdr{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.warn-banner .wb-event{font:700 12px var(--font)}
.warn-banner .wb-time{font:500 10px var(--mono);color:var(--t3)}
.warn-banner .wb-body{font-size:11px;color:var(--t2);line-height:1.5}
.warn-banner .wb-params{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.warn-banner .wb-param{background:rgba(0,0,0,.2);padding:3px 8px;border-radius:5px;font:500 10px var(--mono);color:var(--t2)}

/* ── Quick Stats Row ── */
.qstats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin-bottom:12px;animation:fadeUp .3s var(--ease)}
.qs{padding:10px;border-radius:10px;background:rgba(0,0,0,.15);border:1px solid var(--brd)}
.qs-val{font:700 16px var(--mono);color:var(--t1)}
.qs-lbl{font-size:10px;color:var(--t3);margin-top:2px}

/* ── EMS Reference Section ── */

/* ── Housing Age Histogram ── */
.age-hist{margin-bottom:12px}
.age-hist .ah-bars{display:flex;align-items:flex-end;gap:2px;height:64px;padding:0 2px}
.age-hist .ah-bar{flex:1;border-radius:3px 3px 0 0;min-width:0;transition:all .2s var(--ease);position:relative;cursor:default}
.age-hist .ah-bar:hover{filter:brightness(1.3)}
.age-hist .ah-bar:hover .ah-tip{opacity:1;transform:translateX(-50%) translateY(0)}
.age-hist .ah-tip{position:absolute;bottom:calc(100% + 4px);left:50%;transform:translateX(-50%) translateY(4px);background:rgba(15,15,20,.95);border:1px solid var(--brd2);padding:4px 7px;border-radius:6px;font:600 10px var(--mono);color:var(--t1);white-space:nowrap;pointer-events:none;opacity:0;transition:all .15s var(--ease);z-index:10}
.age-hist .ah-labels{display:flex;gap:2px;padding:0 2px}
.age-hist .ah-lbl{flex:1;font:500 8px var(--mono);color:var(--t4);text-align:center;min-width:0;overflow:hidden}

/* ── Mobile Bottom Nav ── */
.mob-nav{display:none}

@media(max-width:900px){#sb{display:none}}
@media(max-width:700px){
  :root{--panel-w:100%}
  body{overflow:hidden;height:100vh;height:100dvh}

  /* Header: compact */
  header{height:48px;padding:0 12px;gap:8px}
  .logo-sub{display:none}
  .logo-mark{font-size:15px}
  .srch{width:0;flex:1;min-width:0}
  .srch input{height:32px;font-size:12px;padding:0 10px 0 32px}
  .srch-ic{left:10px;font-size:12px}
  .sts{display:none}

  /* Layout: stacked, not flex row */
  #main{flex-direction:column;height:calc(100vh - 48px);height:calc(100dvh - 48px);position:relative}

  /* Map: full area above bottom nav */
  #mc{flex:1;position:relative;min-height:0}
  #mc.mob-hidden{display:none}

  /* Panel: full screen overlay, hidden by default */
  #pn{position:absolute;inset:0;width:100%;height:100%;z-index:900;display:none;border-left:none;-webkit-overflow-scrolling:touch}
  #pn.mob-show{display:block}
  #pn::before{display:none}
  #pi{padding:16px 14px 100px}

  /* Bottom nav bar */
  .mob-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:1002;
    height:56px;background:var(--bg2);border-top:1px solid var(--brd);
    align-items:center;padding:0 6px;gap:4px;
    padding-bottom:env(safe-area-inset-bottom,0)}
  .mob-nav::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(99,102,241,.12),transparent)}

  .mn-view{display:flex;gap:2px;margin-right:auto}
  .mn-btn{padding:8px 14px;border-radius:10px;border:1px solid var(--brd);background:none;
    color:var(--t4);font:600 11px var(--font);cursor:pointer;transition:all .2s var(--ease);
    display:flex;align-items:center;gap:5px}
  .mn-btn.on{background:rgba(99,102,241,.1);border-color:rgba(99,102,241,.2);color:var(--accent2)}
  .mn-btn .mn-ic{font-size:14px}

  .mn-modes{display:flex;gap:2px}
  .mn-mode{padding:8px 10px;border-radius:8px;border:1px solid var(--brd);background:none;
    color:var(--t4);font:600 8px var(--mono);cursor:pointer;transition:all .2s var(--ease);
    letter-spacing:.04em}
  .mn-mode.on{color:var(--t1);border-color:var(--brd2)}
  .mn-mode[data-m="sqi"].on{background:rgba(251,146,60,.08);border-color:rgba(251,146,60,.18);color:var(--age)}
  .mn-mode[data-m="vpi"].on{background:rgba(244,114,182,.08);border-color:rgba(244,114,182,.18);color:var(--pop)}
  .mn-mode[data-m="combined"].on{background:rgba(99,102,241,.08);border-color:rgba(99,102,241,.18);color:var(--accent2)}

  /* Result badge on map button when results are ready */
  .mn-btn .mn-dot{width:6px;height:6px;border-radius:50%;background:var(--accent2);display:none;box-shadow:0 0 6px rgba(99,102,241,.4)}
  .mn-btn .mn-dot.on{display:inline-block}

  /* Adjust map badges to not overlap bottom nav */
  #hint{bottom:66px!important}
  #coords{bottom:66px!important}

  /* Tighter panel content for mobile */
  .pn-hdr .loc{font-size:16px}
  .pn-hdr .meta{font-size:9px}
  .grade-letter{font:900 52px var(--mono)}
  .grade-card{padding:18px}
  .qstats{grid-template-columns:1fr 1fr;gap:5px}
  .qs{padding:8px}
  .qs-val{font-size:14px}

  /* Search results: full width */
  .srch-res{left:-12px;right:-60px;max-height:60vh;border-radius:0 0 12px 12px}

  /* Empty state: tighter */
  .empty-hero{padding:40px 16px 24px}
  .empty-title{font-size:17px}
  .empty-desc{font-size:11.5px}
}