/* MATH Surveying map viewer — brand: Playfair Display + Rubik, greys */
@font-face{font-family:"Playfair Display";src:url(../fonts/PlayfairDisplay-500.ttf) format("truetype");font-weight:500;font-display:swap}
@font-face{font-family:"Playfair Display";src:url(../fonts/PlayfairDisplay-700.ttf) format("truetype");font-weight:700;font-display:swap}
@font-face{font-family:"Rubik";src:url(../fonts/Rubik-400.ttf) format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"Rubik";src:url(../fonts/Rubik-500.ttf) format("truetype");font-weight:500;font-display:swap}
@font-face{font-family:"Rubik";src:url(../fonts/Rubik-600.ttf) format("truetype");font-weight:600;font-display:swap}

:root{
  --ink:#111; --ink2:#2a2a2a; --mid:#6f6f6f; --line:#d0d1d2; --paper:#f7f7f5; --white:#fff;
  --accent:#111; --panel-w:330px; --top-h:64px;
  --head:"Playfair Display",Georgia,serif; --body:"Rubik",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font-family:var(--body);color:var(--ink);background:var(--paper);font-size:15px;line-height:1.45;-webkit-text-size-adjust:100%}
h1,h2,h3{font-family:var(--head);font-weight:700;margin:0;color:var(--ink)}
a{color:var(--ink2)}
.small{font-size:12.5px}.muted{color:var(--mid)}
[hidden]{display:none!important}

/* top bar */
.topbar{height:var(--top-h);background:#fff;color:#111;display:flex;align-items:center;gap:16px;padding:0 16px;position:relative;z-index:1001;border-bottom:1px solid #d0d1d2;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.brand{display:flex;align-items:center;flex:none}
.logo{height:40px;width:auto;display:block}
.titles{min-width:0;flex:1;border-left:1px solid #d0d1d2;padding-left:16px}
.titles h1{color:#111;font-size:19px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.titles p{margin:2px 0 0;color:#6f6f6f;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.panel-toggle{display:none;flex:none;background:#111;color:#fff;border:0;border-radius:3px;padding:8px 12px;font:600 13px var(--body);cursor:pointer}

/* layout */
.layout{position:absolute;top:var(--top-h);left:0;right:0;bottom:0;display:flex}
.panel{width:var(--panel-w);flex:none;overflow-y:auto;background:var(--paper);border-right:1px solid var(--line);padding:12px;z-index:1000}
.map-wrap{position:relative;flex:1;min-width:0;z-index:0}
#map{position:absolute;inset:0;background:#e9e9e6}

.card{background:var(--white);border:1px solid var(--line);border-radius:4px;padding:12px 14px;margin-bottom:12px}
.card h2{font-size:17px;margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.card h3{font-size:14px;margin:12px 0 6px}
.notice{background:#fffbe8;border-color:#e6dca8;font-size:12.5px;color:#4d4520}

.btn{font:500 13px var(--body);background:var(--white);color:var(--ink);border:1px solid var(--ink2);border-radius:3px;padding:9px 8px;cursor:pointer;text-align:center;min-height:40px;touch-action:manipulation}
.btn:hover{background:#efefec}
.btn.active{background:var(--ink);color:var(--white)}
.btn.dark{background:var(--ink);color:var(--white);border-color:var(--ink)}
.btn.dark:hover{background:var(--ink2)}
.btn.wide{width:100%;margin-top:10px}
.btn-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.btn-grid.two{grid-template-columns:1fr 1fr}
.check{display:flex;align-items:center;gap:8px;margin:8px 0 2px;font-size:13.5px;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--ink)}
.range{display:block;font-size:13px;margin:6px 0 4px 26px;color:var(--mid)}
.range input{width:100%;accent-color:var(--ink)}
.seg{display:flex;margin-top:10px;border:1px solid var(--ink2);border-radius:3px;overflow:hidden}
.seg-btn{flex:1;border:0;background:var(--white);padding:9px 6px;font:500 13px var(--body);cursor:pointer}
.seg-btn.active{background:var(--ink);color:var(--white)}
.help{margin-top:12px;font-size:13px}
.help summary{cursor:pointer;font-weight:600}
.help ol{padding-left:18px;margin:8px 0}
.help li{margin-bottom:4px}

.lot-list,.pano-list{list-style:none;margin:0;padding:0}
.lot-list li,.pano-list li{display:flex;align-items:center;gap:10px;padding:7px 4px;border-bottom:1px solid #eee;cursor:pointer;border-radius:3px}
.lot-list li:hover,.pano-list li:hover{background:#f1f1ee}
.lot-list li:last-child,.pano-list li:last-child{border-bottom:0}
.swatch{width:16px;height:16px;border-radius:2px;flex:none;border:2px solid}
.lot-name{font-weight:600;font-size:13.5px}
.lot-area{font-size:12.5px;color:var(--mid)}
.pano-thumb{width:64px;height:32px;object-fit:cover;border-radius:2px;flex:none;background:#ddd}
.pin-inline{display:inline-block;background:var(--ink);color:#fff;border-radius:10px;padding:0 5px;font-size:10px;font-weight:600}
.contact p{margin:3px 0;font-size:13.5px}
.credits ul{padding-left:16px;margin:0 0 6px}

/* map overlays */
.readout{position:absolute;top:12px;left:50%;transform:translateX(-50%);z-index:900;background:rgba(17,17,17,.92);color:#fff;padding:8px 14px;border-radius:4px;font-size:14px;font-weight:500;white-space:nowrap;box-shadow:0 2px 8px rgba(0,0,0,.3);pointer-events:none;text-align:center}
.readout small{display:block;color:var(--line);font-weight:400;font-size:11.5px}
.drawbar,.modebar{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:900;display:flex;gap:6px;background:rgba(255,255,255,.96);padding:6px;border-radius:5px;box-shadow:0 2px 10px rgba(0,0,0,.3);align-items:center}
.modebar span{font-size:13.5px;padding:0 8px;font-weight:500}

/* measurement labels */
.leaflet-tooltip.mlabel{background:rgba(17,17,17,.88);color:#fff;border:0;border-radius:3px;font:600 12.5px var(--body);padding:4px 7px;box-shadow:none;text-align:center;white-space:nowrap}
.leaflet-tooltip.mlabel:before{display:none}
.leaflet-tooltip.mlabel small{display:block;font-weight:400;color:#ddd;font-size:11px}
.seglabel{background:rgba(255,255,255,.92);color:var(--ink);border:1px solid var(--ink2);border-radius:2px;font:500 11px var(--body);padding:1px 4px;white-space:nowrap;transform:translate(-50%,-50%);display:inline-block;pointer-events:none}
.leaflet-tooltip.lotlabel{background:rgba(255,255,255,.93);border:2px solid;border-radius:3px;color:var(--ink);font:600 13px var(--body);padding:4px 8px;text-align:center;box-shadow:0 1px 4px rgba(0,0,0,.25)}
.leaflet-tooltip.lotlabel:before{display:none}
.leaflet-tooltip.lotlabel small{display:block;font-weight:400;font-size:11.5px;color:var(--ink2)}

/* 360 pins */
.pano-pin{background:none;border:0}
.pano-pin span{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--ink);color:#fff;font:700 12px var(--body);border:3px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.45);cursor:pointer;transition:transform .15s}
.pano-pin span:hover{transform:scale(1.12)}

.leaflet-popup-content{font-family:var(--body);font-size:13.5px}
.leaflet-popup-content h3{font-size:15px;margin-bottom:4px}
.leaflet-popup-content .btn{margin-top:8px;min-height:34px;padding:6px 10px}
.leaflet-container{font-family:var(--body)}
.leaflet-control-attribution{font-size:10.5px}

/* 360 modal */
.pano-modal{position:fixed;inset:0;z-index:5000;background:#000;display:flex;flex-direction:column}
.pano-head{display:flex;align-items:center;gap:8px;background:var(--ink);color:#fff;padding:8px 10px;padding-top:max(8px,env(safe-area-inset-top))}
.pano-titles{flex:1;min-width:0;text-align:center}
.pano-titles h2{color:#fff;font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pano-titles p{margin:2px 0 0;color:var(--line);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{background:#2a2a2a;color:#fff;border:1px solid #555;border-radius:3px;width:42px;height:42px;font-size:22px;line-height:1;cursor:pointer;flex:none}
.icon-btn:hover{background:#444}
#panoViewer{flex:1;width:100%}
.pano-hint{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);color:#fff;background:rgba(0,0,0,.55);padding:4px 10px;border-radius:3px;margin:0;pointer-events:none}

.toast{position:fixed;bottom:24px;right:24px;z-index:6000;background:var(--ink);color:#fff;padding:10px 14px;border-radius:4px;font-size:13.5px;box-shadow:0 2px 10px rgba(0,0,0,.35);max-width:320px}

/* mobile */
@media (max-width: 760px){
  :root{--top-h:56px}
  .logo{height:30px}
  .titles{padding-left:10px}
  .titles h1{font-size:15.5px}
  .titles p{font-size:11px}
  .panel-toggle{display:block}
  .panel{position:absolute;left:0;right:0;bottom:0;top:auto;width:auto;max-height:62%;border-right:0;border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(0,0,0,.2);transform:translateY(105%);transition:transform .25s ease;padding-bottom:max(12px,env(safe-area-inset-bottom))}
  .panel.open{transform:none}
  .drawbar,.modebar{bottom:18px;max-width:calc(100% - 20px)}
  .readout{font-size:13px;max-width:calc(100% - 100px);white-space:normal}
  .toast{left:12px;right:12px;bottom:12px;max-width:none}
}
@media (max-width: 420px){ .logo{height:24px} .titles p{display:none} .titles{padding-left:8px} .topbar{gap:8px;padding:0 10px} .panel-toggle{padding:7px 9px;font-size:12px} }
@media (max-width: 760px){ .drawbar .btn{white-space:nowrap;padding:8px 10px;font-size:12.5px} }

/* optional 2.5D terrain view (js/view3d.js) */
.view3d-btn{position:absolute;top:12px;right:12px;z-index:950;box-shadow:0 2px 8px rgba(0,0,0,.35);padding:9px 14px;font-weight:600}
#map3d{position:absolute;inset:0;z-index:960;background:#e9e9e6}
.mode-3d .view3d-btn{display:none}
.mode-3d #map{visibility:hidden}   /* Leaflet controls would otherwise sit on top of the 3D canvas */
.mode-3d .maplibregl-ctrl-bottom-right{bottom:calc(var(--p3h,0px) + 34px)}
.panel3d{position:absolute;left:12px;bottom:28px;z-index:970;background:rgba(255,255,255,.97);border-radius:5px;box-shadow:0 2px 10px rgba(0,0,0,.3);padding:8px 10px;max-width:min(560px,calc(100% - 24px))}
.p3-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.p3-more{margin-top:6px}
.p3-more .btn{min-height:34px;padding:6px 10px}
.p3-more .check{margin:0}
.exag{display:flex;align-items:center;gap:8px;font-size:13px;flex:1;min-width:180px}
.exag input{flex:1;accent-color:var(--ink)}
.seg3d{margin-top:0}
.seg3d-btn{border:0;background:var(--white);padding:7px 10px;font:500 12.5px var(--body);cursor:pointer}
.seg3d-btn.active{background:var(--ink);color:var(--white)}
.p3-hint{margin:6px 0 0}
.note3d{display:none;background:#fffbe8;border:1px solid #e6dca8;border-radius:3px;padding:6px 8px;margin:6px 0}
.note3d .btn{min-height:30px;padding:4px 10px;margin-left:6px}
.mode-3d .note3d{display:block}
.mode-3d #measureCard .btn-grid,.mode-3d #measureCard .check{opacity:.4;pointer-events:none}
.maplibregl-ctrl-attrib{font-size:10.5px}
@media (max-width: 760px){
  .view3d-btn{top:10px;right:10px;padding:8px 11px}
  .panel3d{left:8px;right:8px;bottom:10px;max-width:none;padding:7px 8px}
  .p3-more .btn{padding:6px 8px;font-size:12px}
  .p3-hint{font-size:11.5px}
  .hint-extra{display:none}
  .mode-3d .maplibregl-ctrl-bottom-right{bottom:calc(var(--p3h,0px) + 14px)}
}