:root{
    --bg:#F4F3EE;
    --card:#FFFFFF;
    --ink:#111111;
    --muted:#666666;
    --line:#E2E1DC;
    --accent:#FF5A1F;
    --accent-weak:#FFF0E8;
    --good:#1F7A4D;
    --bad:#B42318;
    --shadow:0 10px 28px rgba(17,17,17,.07);
    --radius:22px;
  }
  *{box-sizing:border-box}
  html,body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
  button,input{font:inherit}
  body{min-height:100vh}
  .app{max-width:1500px;margin:0 auto;padding:24px}
  .topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}
  .brand{display:flex;align-items:center;gap:12px}
  .mark{width:42px;height:42px;border-radius:14px;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:900;letter-spacing:-.5px}
  .brand h1{font-size:18px;margin:0;letter-spacing:-.4px}
  .brand p{font-size:12px;color:var(--muted);margin:3px 0 0}
  .pill{border:1px solid var(--line);background:rgba(255,255,255,.65);padding:8px 11px;border-radius:999px;font-size:12px;color:var(--muted)}
  .drop{
    background:var(--card);border:1.5px dashed #C8C7C1;border-radius:28px;padding:40px 24px;text-align:center;box-shadow:var(--shadow);
    transition:.2s ease;cursor:pointer
  }
  .drop.drag{border-color:var(--accent);background:var(--accent-weak);transform:translateY(-1px)}
  .drop-icon{width:62px;height:62px;border-radius:20px;background:var(--accent-weak);display:grid;place-items:center;margin:0 auto 14px;font-size:27px}
  .drop h2{font-size:24px;margin:0 0 8px;letter-spacing:-.7px}
  .drop p{color:var(--muted);margin:0 auto 16px;max-width:620px;line-height:1.55}
  .btn{border:0;border-radius:13px;padding:11px 15px;font-weight:750;cursor:pointer;transition:.15s ease;display:inline-flex;gap:8px;align-items:center;justify-content:center}
  .btn:hover{transform:translateY(-1px)}
  .btn.primary{background:var(--ink);color:#fff}
  .btn.accent{background:var(--accent);color:#fff}
  .btn.soft{background:#F3F3F1;color:var(--ink);border:1px solid var(--line)}
  .btn.ghost{background:transparent;border:1px solid var(--line)}
  .btn.small{padding:8px 10px;border-radius:10px;font-size:12px}
  .file-meta{display:none;margin-top:16px;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
  .file-meta.show{display:flex}
  .filename{font-weight:800}
  .subtle{font-size:12px;color:var(--muted)}
  .workspace{display:none;margin-top:18px}
  .workspace.show{display:block}
  .stats{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin-bottom:14px}
  .journey{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:10px}
  .mountain-panel{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:17px 18px;margin-bottom:14px;box-shadow:0 4px 16px rgba(17,17,17,.025)}
  .activity-panel{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:17px 18px;margin-bottom:10px;box-shadow:0 4px 16px rgba(17,17,17,.025)}
  .activity-layout{display:grid;grid-template-columns:1.2fr .8fr 1fr 1.4fr;gap:12px;align-items:end}
  .activity-name{font-size:21px;font-weight:900;letter-spacing:-.55px;line-height:1.2;margin-top:5px;text-transform:capitalize}
  .select{width:100%;border:1px solid var(--line);border-radius:11px;background:#FAFAF8;padding:10px 11px;color:var(--ink);outline:none}
  .field-chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:7px}
  .field-chip{font-size:10px;padding:5px 7px;border:1px solid var(--line);background:#F7F7F4;border-radius:999px;color:#555}
  .mountain-layout{display:grid;grid-template-columns:1.25fr repeat(5,minmax(0,1fr));gap:12px;align-items:start}
  .mountain-name{font-size:21px;font-weight:900;letter-spacing:-.55px;line-height:1.2;margin-top:5px}
  .mountain-sub{font-size:12px;color:var(--muted);margin-top:5px;line-height:1.5}
  .mountain-metric{padding-left:12px;border-left:1px solid var(--line)}
  .mountain-metric .k{font-size:9.5px;text-transform:uppercase;letter-spacing:.55px;color:var(--muted);font-weight:850}
  .mountain-metric .v{font-size:14px;font-weight:850;margin-top:6px;overflow-wrap:anywhere}
  .journey-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:17px 18px;box-shadow:0 4px 16px rgba(17,17,17,.025)}
  .journey-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:11px}
  .journey-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;font-weight:900}
  .journey-place{font-size:18px;font-weight:900;letter-spacing:-.45px;line-height:1.25;margin-bottom:5px}
  .journey-region{font-size:12px;color:var(--muted);line-height:1.5}
  .journey-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:13px;padding-top:13px;border-top:1px solid var(--line)}
  .journey-mini .k{font-size:9.5px;text-transform:uppercase;letter-spacing:.55px;color:var(--muted);font-weight:800}
  .journey-mini .v{font-size:11.5px;font-weight:750;margin-top:3px;overflow-wrap:anywhere}
  .loc-status{font-size:10px;padding:4px 7px;border-radius:999px;background:#F6F6F3;color:var(--muted);border:1px solid var(--line)}
  .stat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px}
  .stat .label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;font-weight:800}
  .stat .value{font-size:23px;font-weight:900;margin-top:6px;letter-spacing:-.7px}
  .stat .unit{font-size:11px;color:var(--muted);margin-top:2px}
  .grid{display:grid;grid-template-columns:390px minmax(0,1fr);gap:14px}
  .panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 4px 16px rgba(17,17,17,.035);overflow:hidden}
  .panel-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
  .panel-head h3{font-size:14px;margin:0}
  .panel-body{padding:16px 18px}
  .section-title{font-size:11px;color:var(--muted);font-weight:900;letter-spacing:.7px;text-transform:uppercase;margin:18px 0 8px}
  .section-title:first-child{margin-top:0}
  .kv{display:grid;grid-template-columns:118px 1fr;gap:7px 10px;font-size:12px;line-height:1.5}
  .kv .k{color:var(--muted)}
  .kv .v{font-weight:650;overflow-wrap:anywhere}
  .empty{color:var(--muted);font-size:12px}
  .tabs{display:flex;gap:7px;overflow-x:auto;padding:12px 14px;border-bottom:1px solid var(--line);scrollbar-width:none}
  .tabs::-webkit-scrollbar{display:none}
  .tab{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;font-size:12px;font-weight:750;cursor:pointer}
  .tab.active{background:var(--ink);color:white;border-color:var(--ink)}
  .toolbar{display:flex;gap:8px;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);flex-wrap:wrap}
  .toolbar-left,.toolbar-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
  .search{border:1px solid var(--line);border-radius:11px;background:#FAFAF8;padding:9px 11px;min-width:220px;outline:none}
  .search:focus{border-color:#aaa}
  .count{font-size:12px;color:var(--muted)}
  .table-wrap{overflow:auto;max-height:650px}
  table{border-collapse:separate;border-spacing:0;width:max-content;min-width:100%;font-size:11.5px}
  th,td{padding:9px 11px;border-bottom:1px solid #EFEEE9;text-align:left;white-space:nowrap;max-width:340px;overflow:hidden;text-overflow:ellipsis}
  th{position:sticky;top:0;background:#FAFAF8;z-index:2;color:#555;font-size:10.5px;text-transform:uppercase;letter-spacing:.45px}
  tbody tr:hover td{background:#FFF9F5}
  .chart-wrap{height:160px;padding:12px 14px;border-bottom:1px solid var(--line)}
  canvas{width:100%;height:100%;display:block}
  .details{margin-top:14px}
  details{border:1px solid var(--line);border-radius:16px;background:var(--card);overflow:hidden;margin-bottom:10px}
  summary{cursor:pointer;padding:13px 15px;font-weight:800;font-size:13px}
  details .inside{padding:0 15px 15px}
  pre{white-space:pre-wrap;word-break:break-word;background:#F8F8F5;border:1px solid var(--line);border-radius:12px;padding:12px;max-height:420px;overflow:auto;font-size:11px;line-height:1.45}
  .notice{display:none;padding:12px 14px;border-radius:14px;margin-top:12px;font-size:12px;font-weight:650}
  .notice.error{display:block;background:#FFF0EE;color:var(--bad);border:1px solid #FFD5CE}
  .badge{font-size:10px;padding:4px 7px;border-radius:999px;background:#F0F0ED;border:1px solid var(--line);color:#555}
  .footer{padding:18px 2px 5px;text-align:center;color:var(--muted);font-size:11px}
  @media(max-width:1100px){
    .stats{grid-template-columns:repeat(3,1fr)}
    .grid{grid-template-columns:1fr}
  }
  @media(max-width:650px){
    .app{padding:14px}
    .journey{grid-template-columns:1fr}
    .mountain-layout{grid-template-columns:1fr 1fr}
    .activity-layout{grid-template-columns:1fr}
    .mountain-layout > div:first-child{grid-column:1/-1}
    .mountain-metric{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:10px}
    .topbar{align-items:flex-start}
    .pill{display:none}
    .drop{padding:32px 16px;border-radius:22px}
    .drop h2{font-size:21px}
    .stats{grid-template-columns:repeat(2,1fr)}
    .stat .value{font-size:20px}
    .panel{border-radius:18px}
    .search{min-width:0;width:100%}
    .toolbar-left{width:100%}
    .toolbar-right{width:100%;justify-content:space-between}
    .kv{grid-template-columns:92px 1fr}
  }

/* ---------- URAI public product layer ---------- */
html{scroll-behavior:smooth}
body{background:#F4F3EE}
.app{max-width:none;margin:0;padding:0;min-height:100vh}
.urai-shell{max-width:1500px;margin:0 auto;padding:0 24px}
.urai-nav{position:sticky;top:0;z-index:100;background:rgba(244,243,238,.88);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(17,17,17,.07)}
.urai-nav-inner{max-width:1500px;margin:0 auto;padding:0 24px;height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.urai-brand{display:flex;align-items:center;gap:11px}
.urai-brand .mark{width:40px;height:40px;border-radius:13px}
.urai-brand-name{font-size:14px;font-weight:950;letter-spacing:-.4px}
.urai-brand-sub{font-size:9px;color:var(--muted);letter-spacing:.8px;text-transform:uppercase;font-weight:800;margin-top:2px}
.urai-nav-links{display:flex;align-items:center;gap:5px}
.urai-nav-links a{font-size:11px;font-weight:800;padding:9px 10px;border-radius:10px}
.urai-nav-links a:hover{background:#fff}
.urai-hero{max-width:1500px;margin:0 auto;padding:28px 24px 18px}
.urai-hero-card{position:relative;overflow:hidden;border-radius:38px;background:radial-gradient(circle at 84% 16%,rgba(255,90,31,.34),transparent 25%),radial-gradient(circle at 58% 108%,rgba(255,90,31,.12),transparent 38%),linear-gradient(145deg,#111,#1c1c1c 72%,#141414);color:#fff;box-shadow:0 20px 65px rgba(17,17,17,.13);padding:46px}
.urai-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:52px;align-items:center;position:relative;z-index:2}
.urai-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:10px;letter-spacing:1.6px;text-transform:uppercase;font-weight:900;color:rgba(255,255,255,.63)}
.urai-eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 6px rgba(255,90,31,.12)}
.urai-wordmark{font-size:clamp(62px,8vw,112px);line-height:.83;letter-spacing:-6px;margin:24px 0 19px;font-weight:1000}
.urai-tagline{font-size:clamp(24px,3vw,38px);letter-spacing:-1.3px;font-weight:900;margin-bottom:13px}
.urai-copy{max-width:650px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.66)}
.urai-chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:23px}
.urai-chip{font-size:9px;letter-spacing:.55px;font-weight:900;padding:8px 9px;border-radius:999px;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.05)}
.urai-upload-wrap{background:#fff;color:#111;border-radius:28px;padding:10px;box-shadow:0 28px 75px rgba(0,0,0,.28)}
.urai-upload-wrap .drop{box-shadow:none;border-radius:21px;min-height:305px;background:#FCFBF8;border:1.5px dashed #C8C7C1;padding:28px 24px}
.urai-upload-wrap .drop:hover{border-color:#9f9e98}
.urai-upload-wrap .drop-icon{background:#111;color:#fff;width:66px;height:66px;border-radius:21px;font-size:27px}
.urai-upload-wrap .drop h2{font-size:20px;letter-spacing:-.5px}
.urai-upload-wrap .drop p{font-size:11px;max-width:340px}
.urai-privacy{display:flex;gap:7px;align-items:flex-start;padding:10px 10px 2px;color:#777;font-size:9.5px;line-height:1.45}
.urai-privacy b{color:#111}
.has-results .urai-hero{display:none}
#notice,#fileMeta,#workspace{max-width:1500px;margin-left:auto;margin-right:auto}
#notice{margin-top:12px}
.file-meta{padding:22px 24px 8px;margin-top:0!important}
.file-meta.show{display:flex}
.filename{font-size:clamp(26px,4vw,48px);font-weight:950;letter-spacing:-1.7px;line-height:1.05}
.subtle{margin-top:7px}
.workspace{padding:0 24px 26px;margin-top:12px!important}
.stats{grid-template-columns:repeat(6,minmax(0,1fr));gap:9px;margin-bottom:12px}
.stat{border-radius:20px;min-height:108px;padding:16px;box-shadow:0 4px 16px rgba(17,17,17,.025)}
.stat .value{font-size:25px;letter-spacing:-1px}
.stat .label{font-size:9px;letter-spacing:.8px}
.urai-map-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;margin-bottom:12px;box-shadow:0 5px 20px rgba(17,17,17,.035)}
.urai-map-head{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.urai-map-title{font-size:13px;font-weight:900}
.urai-map-sub{font-size:10px;color:var(--muted);margin-top:2px}
.urai-map-actions{display:flex;gap:7px;align-items:center}
#uraiMap{height:480px;background:#e9e8e2}
.urai-map-fallback{height:480px;display:none;place-items:center;text-align:center;padding:30px;color:var(--muted);font-size:12px}
.urai-map-status{font-size:9px;padding:6px 8px;border-radius:999px;background:#f4f3ef;border:1px solid var(--line);color:#666;font-weight:800}
.leaflet-control-attribution{font-size:8px!important}
.leaflet-popup-content-wrapper{border-radius:14px!important}
.activity-panel{border-radius:22px;padding:18px;margin-bottom:10px;background:#fff}
.activity-name{font-size:24px}
.journey{gap:9px;margin-bottom:10px}
.journey-card{border-radius:22px;padding:17px;box-shadow:0 4px 18px rgba(17,17,17,.025)}
.journey-place{font-size:19px}
.journey-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
.journey-mini{background:#F8F7F3;padding:8px 9px;border-radius:10px}
.journey-mini .k{font-size:8px}
.journey-mini .v{font-size:10.5px}
.mountain-panel{border-radius:24px;background:#111;color:#fff;border:0;padding:22px;margin-bottom:12px;box-shadow:0 14px 40px rgba(17,17,17,.12)}
.mountain-panel .journey-label,.mountain-panel .mountain-metric .k{color:rgba(255,255,255,.55)}
.mountain-panel .mountain-sub{color:rgba(255,255,255,.65)}
.mountain-panel .loc-status{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:rgba(255,255,255,.7)}
.mountain-panel .mountain-metric{border-left-color:rgba(255,255,255,.13)}
.mountain-name{font-size:25px}
.urai-cta{position:relative;overflow:hidden;margin-bottom:12px;border-radius:28px;background:linear-gradient(130deg,#FF5A1F,#ff7642);color:#fff;padding:28px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.urai-cta:after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.09);right:-115px;top:-150px}
.urai-cta-copy,.urai-cta-actions{position:relative;z-index:2}
.urai-cta h3{font-size:clamp(24px,3vw,40px);line-height:1.03;letter-spacing:-1.3px;margin:0 0 8px}
.urai-cta p{margin:0;max-width:650px;font-size:11px;line-height:1.6;color:rgba(255,255,255,.78)}
.urai-cta-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.urai-cta .btn.white{background:#fff;color:#111}
.urai-cta .btn.black{background:#111;color:#fff}
.advanced-shell{background:transparent;border:0;border-radius:0;margin-top:4px;overflow:visible}
.advanced-shell>summary{list-style:none;background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px 17px;font-size:12px;font-weight:900;display:flex;justify-content:space-between;align-items:center}
.advanced-shell>summary::-webkit-details-marker{display:none}
.advanced-shell>summary:after{content:"＋";font-size:18px;font-weight:400;color:#777}
.advanced-shell[open]>summary:after{content:"−"}
.advanced-shell>.advanced-content{margin-top:10px}
.grid{grid-template-columns:390px minmax(0,1fr);gap:10px}
.panel{border-radius:20px}
.details details{border-radius:14px}
.footer{max-width:1500px;margin:0 auto;padding:28px 24px 100px}
.urai-mobile-actions{display:none}
@media(max-width:1100px){
  .urai-hero-grid{grid-template-columns:1fr;gap:26px}
  .urai-hero-card{padding:34px}
  .urai-upload-wrap .drop{min-height:235px}
  .stats{grid-template-columns:repeat(3,1fr)}
  .journey{grid-template-columns:1fr}
  .journey-card .journey-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media(max-width:760px){
  .urai-shell{padding:0 14px}
  .urai-nav-inner{height:61px;padding:0 14px}
  .urai-nav-links a:not(:last-child){display:none}
  .urai-hero{padding:13px 14px 10px}
  .urai-hero-card{border-radius:26px;padding:26px 18px 18px}
  .urai-wordmark{font-size:68px;letter-spacing:-4.5px;margin:20px 0 14px}
  .urai-tagline{font-size:25px}
  .urai-copy{font-size:12.5px}
  .urai-chip{font-size:8px;padding:6px 7px}
  .urai-upload-wrap{border-radius:20px;padding:9px}
  .urai-upload-wrap .drop{min-height:230px;border-radius:16px;padding:20px 15px}
  #notice{margin-left:14px;margin-right:14px}
  .file-meta{padding:18px 14px 6px;align-items:flex-start}
  .file-meta.show{flex-direction:column}
  .file-meta>div:last-child{width:100%;overflow-x:auto;flex-wrap:nowrap!important;padding-bottom:3px}
  .file-meta .btn{white-space:nowrap}
  .workspace{padding:0 14px 24px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{min-height:98px;padding:14px}
  .stat .value{font-size:22px}
  #uraiMap,.urai-map-fallback{height:405px}
  .urai-map-head{padding:13px 14px}
  .activity-layout{grid-template-columns:1fr}
  .journey-card .journey-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mountain-layout{grid-template-columns:1fr 1fr}
  .mountain-layout>div:first-child{grid-column:1/-1}
  .mountain-metric{border-left:0!important;border-top:1px solid rgba(255,255,255,.12);padding-left:0!important;padding-top:10px}
  .urai-cta{grid-template-columns:1fr;padding:22px;border-radius:23px}
  .urai-cta-actions{justify-content:flex-start}
  .grid{grid-template-columns:1fr}
  .advanced-shell{padding-bottom:72px}
  .urai-mobile-actions{display:none;position:fixed;z-index:120;left:9px;right:9px;bottom:calc(9px + env(safe-area-inset-bottom));background:rgba(17,17,17,.94);backdrop-filter:blur(14px);padding:8px;border-radius:18px;box-shadow:0 18px 50px rgba(0,0,0,.28);grid-template-columns:1fr 1fr;gap:7px}
  .has-results .urai-mobile-actions{display:grid}
  .urai-mobile-actions .btn{padding:13px 10px;font-size:10.5px}
}