:root{
  --bg:#0b1014;
  --panel:rgba(16,23,29,.88);
  --card:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.10);
  --text:#e9f1f5;
  --muted:#8fa3ad;
  --accent:#2fd6a5;
  --accent-2:#6fd0ff;
  --danger:#ff6b6b;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);overflow:hidden;
  -webkit-font-smoothing:antialiased;
}
#map{position:absolute;inset:0;background:#0b1014;z-index:0}
.leaflet-container{background:#0b1014;font-family:inherit}

/* ---------- top bar ---------- */
#topbar{
  position:fixed;z-index:1100;top:14px;left:14px;right:14px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  pointer-events:none;
}
#topbar > *{pointer-events:auto}
.brand{
  display:flex;align-items:center;gap:10px;
  background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:9px 14px 9px 10px;box-shadow:0 8px 30px rgba(0,0,0,.35);
}
.logo{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:20px;
  background:linear-gradient(145deg,rgba(47,214,165,.25),rgba(111,208,255,.18));
  border:1px solid rgba(47,214,165,.35);
}
.brand-text h1{font-size:15px;line-height:1.2;margin:0;letter-spacing:.2px}
.brand-text p{font-size:11px;line-height:1.3;margin:2px 0 0;color:var(--muted)}
.actions{display:flex;align-items:center;gap:8px}

button{
  font:inherit;font-size:13px;color:var(--text);cursor:pointer;
  background:var(--panel);border:1px solid var(--line);border-radius:11px;
  padding:9px 14px;line-height:1;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:background .15s,border-color .15s,transform .1s;
  white-space:nowrap;
}
button:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.2)}
button:active{transform:scale(.98)}
button.primary{
  background:linear-gradient(135deg,#2fd6a5,#1fb6c9);color:#04231c;border:none;font-weight:650;
  box-shadow:0 6px 20px rgba(47,214,165,.28);
}
button.primary:hover{filter:brightness(1.06)}
button.icon{padding:9px 12px;font-size:15px}
button.mini{padding:6px 10px;font-size:12px;border-radius:8px;background:rgba(255,255,255,.07)}
button.danger{color:#ffb3b3}
button.danger:hover{background:rgba(255,107,107,.16);border-color:rgba(255,107,107,.35)}
button.locate-on{background:rgba(47,140,255,.18);border-color:rgba(47,140,255,.55);color:#8fc6ff}

/* GPS 蓝点 */
.gps-dot{background:none;border:none}
.gps-dot span{
  display:block;width:14px;height:14px;border-radius:50%;background:#2f8cff;
  border:3px solid #fff;box-shadow:0 0 0 2px rgba(47,140,255,.35),0 0 18px rgba(47,140,255,.85);
  animation:gpsPulse 1.8s ease-out infinite;
}
@keyframes gpsPulse{
  0%{box-shadow:0 0 0 2px rgba(47,140,255,.45),0 0 0 0 rgba(47,140,255,.45)}
  70%{box-shadow:0 0 0 2px rgba(47,140,255,.35),0 0 0 18px rgba(47,140,255,0)}
  100%{box-shadow:0 0 0 2px rgba(47,140,255,.35),0 0 0 0 rgba(47,140,255,0)}
}

/* ---------- panel ---------- */
#panel{
  position:fixed;z-index:1050;top:80px;right:14px;bottom:44px;width:342px;
  display:flex;flex-direction:column;gap:10px;overflow-y:auto;overscroll-behavior:contain;
  padding-right:2px;scrollbar-width:thin;
  transition:transform .22s ease,opacity .22s ease;
}
#panel.hidden{transform:translateX(calc(100% + 24px));opacity:0;pointer-events:none}
#panel::-webkit-scrollbar{width:7px}
#panel::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:99px}

.card{
  background:var(--panel);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 13px;box-shadow:0 8px 30px rgba(0,0,0,.28);flex:0 0 auto;
}
.card.grow{flex:1 1 auto;display:flex;flex-direction:column;min-height:120px}
.card h2{font-size:12px;margin:0 0 9px;color:var(--muted);font-weight:650;letter-spacing:.6px;text-transform:uppercase}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.card-head h2{margin:0}
.head-ops{display:flex;gap:4px}
.badge{
  display:inline-block;min-width:18px;text-align:center;padding:1px 6px;border-radius:99px;
  background:rgba(47,214,165,.16);color:var(--accent);font-size:11px;margin-left:4px;
}
.hint{font-size:11px;line-height:1.5;color:var(--muted);margin-top:8px}
.hint.warn{color:#ffc46b}
.hidden{display:none!important}

/* segmented control */
.seg{display:flex;flex-wrap:wrap;gap:5px}
.seg button{
  flex:1 1 auto;padding:7px 8px;font-size:12px;border-radius:8px;background:rgba(255,255,255,.05);
  backdrop-filter:none;-webkit-backdrop-filter:none;color:var(--muted);
}
.seg button.active{background:rgba(47,214,165,.16);border-color:rgba(47,214,165,.45);color:var(--accent);font-weight:650}

.row{display:flex;align-items:center;gap:8px;margin-top:9px}
.row label{font-size:12px;color:var(--muted);white-space:nowrap}
.row input[type=text],.row input:not([type]),.row select{min-width:0}
input[type=text],input:not([type]),select{
  flex:1;background:rgba(0,0,0,.28);border:1px solid var(--line);color:var(--text);
  border-radius:8px;padding:8px 10px;font:inherit;font-size:12.5px;outline:none;
}
input:focus,select:focus{border-color:rgba(47,214,165,.5)}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 15px) 52%,calc(100% - 10px) 52%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:28px}
input[type=range]{
  -webkit-appearance:none;appearance:none;flex:1;height:4px;border-radius:99px;
  background:linear-gradient(90deg,rgba(47,214,165,.65),rgba(111,208,255,.5));outline:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:#fff;
  border:2px solid #2fd6a5;box-shadow:0 1px 6px rgba(0,0,0,.5);cursor:pointer;
}
.check{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#d7e3e9;padding:5px 0;cursor:pointer}
.check input{appearance:none;width:16px;height:16px;border-radius:5px;border:1px solid rgba(255,255,255,.25);background:rgba(0,0,0,.25);flex:0 0 auto;position:relative;cursor:pointer}
.check input:checked{background:linear-gradient(135deg,#2fd6a5,#1fb6c9);border-color:transparent}
.check input:checked::after{content:"";position:absolute;left:4.5px;top:1.5px;width:4px;height:8px;border:solid #04231c;border-width:0 2px 2px 0;transform:rotate(45deg)}

/* layer list */
.layer-list{overflow-y:auto;flex:1;margin:-2px -3px 0;padding:2px 3px;scrollbar-width:thin}
.layer-list::-webkit-scrollbar{width:6px}
.layer-list::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:99px}
.empty{text-align:center;color:var(--muted);font-size:12.5px;line-height:1.7;padding:18px 6px}
.empty span{font-size:11px;opacity:.75}
.sample-btn{margin-top:10px}
.layer{
  display:flex;align-items:center;gap:8px;padding:8px 8px;border-radius:10px;
  background:rgba(255,255,255,.035);border:1px solid transparent;margin-bottom:6px;
}
.layer:hover{background:rgba(255,255,255,.07);border-color:var(--line)}
.layer .dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto;box-shadow:0 0 0 3px rgba(255,255,255,.07)}
.layer .info{flex:1;min-width:0}
.layer .name{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.layer .meta{font-size:10.5px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.layer .ops{display:flex;gap:4px;flex:0 0 auto}
.layer .ops button{padding:5px 7px;font-size:11px;border-radius:7px;background:rgba(255,255,255,.06);backdrop-filter:none;-webkit-backdrop-filter:none}
.layer.off{opacity:.5}
.layer.off .dot{background:#555!important}

/* ---------- coordinate bar ---------- */
#coordbar{
  position:fixed;z-index:1000;left:14px;bottom:12px;display:flex;align-items:center;gap:8px;
  background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:11px;padding:7px 10px;
  font-size:11.5px;color:#cfe0e8;font-variant-numeric:tabular-nums;max-width:calc(100vw - 28px);
}
#coordbar .sep{color:rgba(255,255,255,.22)}
#coordText{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#resText{color:var(--muted);white-space:nowrap}
button.copy{padding:4px 8px;font-size:10.5px;border-radius:7px;background:rgba(255,255,255,.07);backdrop-filter:none;-webkit-backdrop-filter:none}

/* ---------- dropzone ---------- */
#dropzone{
  position:fixed;inset:0;z-index:2000;display:none;place-items:center;
  background:rgba(5,12,15,.72);backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);
}
#dropzone.show{display:grid}
.dz-inner{
  border:2px dashed rgba(47,214,165,.75);border-radius:20px;padding:48px 56px;
  font-size:17px;color:#dffaf1;background:rgba(47,214,165,.08);
  box-shadow:0 0 60px rgba(47,214,165,.12) inset;
}

/* ---------- toast ---------- */
#toast{
  position:fixed;z-index:3000;left:50%;bottom:70px;transform:translate(-50%,16px);
  background:rgba(12,20,24,.94);border:1px solid rgba(47,214,165,.4);color:#e9f1f5;
  padding:10px 16px;border-radius:11px;font-size:12.5px;max-width:min(86vw,520px);
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;box-shadow:0 10px 34px rgba(0,0,0,.45);
  text-align:center;line-height:1.45;
}
#toast.show{opacity:1;transform:translate(-50%,0)}
#toast.error{border-color:rgba(255,107,107,.55);background:rgba(34,12,14,.95)}

/* ---------- 历史影像分屏对比 ---------- */
#historyBadge{
  position:fixed;z-index:1030;top:78px;left:50%;transform:translateX(-50%);
  background:rgba(255,193,7,.14);border:1px solid rgba(255,193,7,.45);color:#ffd76a;
  border-radius:99px;padding:6px 12px;font-size:11px;white-space:nowrap;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 6px 22px rgba(0,0,0,.35);
}
#compareBar{position:fixed;inset:0;z-index:1040;pointer-events:none}
.cmp-line{
  position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;
  transform:translateX(-1px);box-shadow:0 0 12px rgba(0,0,0,.85),0 0 3px rgba(0,0,0,.9);
}
.cmp-tag{
  position:absolute;top:78px;left:50%;transform:translateX(-50%);
  background:rgba(16,23,29,.9);border:1px solid rgba(255,255,255,.22);border-radius:99px;
  padding:6px 12px;font-size:11px;color:#e4eef3;white-space:nowrap;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 6px 22px rgba(0,0,0,.4);
}
.cmp-handle{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:46px;height:46px;border-radius:50%;background:rgba(16,23,29,.94);
  border:2px solid #fff;display:grid;place-items:center;pointer-events:auto;
  touch-action:none;cursor:ew-resize;box-shadow:0 6px 24px rgba(0,0,0,.6);
  font-size:10px;color:#fff;letter-spacing:-1px;user-select:none;
}

/* ---------- leaflet tweaks ---------- */
.leaflet-control-zoom{border:none!important;box-shadow:0 8px 24px rgba(0,0,0,.4)!important}
.leaflet-control-zoom a{
  background:rgba(16,23,29,.9)!important;color:#e9f1f5!important;border-color:rgba(255,255,255,.1)!important;
  backdrop-filter:blur(12px);
}
.leaflet-control-zoom a:hover{background:rgba(255,255,255,.12)!important}
.leaflet-control-scale-line{
  background:rgba(16,23,29,.8)!important;border-color:rgba(255,255,255,.45)!important;
  color:#e9f1f5!important;text-shadow:none!important;
}
.leaflet-bottom.leaflet-left{bottom:44px}
.leaflet-control-attribution{
  background:rgba(10,15,18,.72)!important;color:#9fb3bc!important;font-size:10px!important;
}
.leaflet-control-attribution a{color:#7fc9e8!important}
.leaflet-popup-content-wrapper{
  background:rgba(16,23,29,.96);color:var(--text);border-radius:12px;
  border:1px solid rgba(255,255,255,.12);box-shadow:0 14px 44px rgba(0,0,0,.5);
}
.leaflet-popup-tip{background:rgba(16,23,29,.96);border:1px solid rgba(255,255,255,.12)}
.leaflet-popup-content{
  margin:12px 14px;font-size:12.5px;line-height:1.55;
  min-width:min(76vw,320px);max-height:min(68vh,500px);overflow:auto;
}
.leaflet-popup-close-button{color:var(--muted)!important;padding:6px 7px 0 0!important}
.popup-title{font-size:14px;font-weight:700;margin-bottom:3px;padding-right:16px}
.popup-sub{font-size:10.5px;color:var(--muted);margin-bottom:7px;word-break:break-all}
.popup-stats{display:grid;grid-template-columns:auto 1fr;gap:3px 10px;font-size:12px;margin:8px 0;padding:8px 9px;background:rgba(255,255,255,.05);border-radius:8px}
.popup-stats b{color:var(--accent);font-weight:600}
.popup-desc{margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#dfeaf0;word-break:break-word}
.popup-desc table{width:100%;max-width:100%;table-layout:fixed;border-collapse:collapse;margin:2px 0}
/* KML 描述里的表格常带浅色 bgcolor / font color，统一压成深色主题，保证每行都看得清 */
.popup-desc tr{background:transparent!important}
.popup-desc tr:nth-child(even){background:rgba(255,255,255,.06)!important}
.popup-desc td,.popup-desc th{
  background:transparent!important;color:#eef6fa!important;
  border:1px solid rgba(255,255,255,.14)!important;
  padding:3px 6px!important;font-size:11.5px!important;line-height:1.45;word-break:break-word;
}
.popup-desc td:first-child,.popup-desc th:first-child{color:#b7c9d2!important;width:42%}
.popup-desc td *,.popup-desc th *{color:inherit!important}
.popup-desc td:first-child *,.popup-desc th:first-child *{color:#b7c9d2!important}
.popup-desc a{color:#7fc9e8!important}
.popup-props{width:100%;border-collapse:collapse;margin-top:8px}
.popup-props td{border-top:1px solid rgba(255,255,255,.07);padding:3px 4px;font-size:11px;vertical-align:top}
.popup-props td:first-child{color:var(--muted);white-space:nowrap;padding-right:8px}
.popup-near{
  margin-top:8px;padding:7px 9px;border-radius:8px;font-size:12px;line-height:1.5;
  background:rgba(47,140,255,.10);border:1px solid rgba(47,140,255,.28);
}
.popup-near b{color:#8fc6ff}
.popup-near span{display:block;color:var(--muted);font-size:11px;word-break:break-all}
.popup-near.inside{background:rgba(47,214,165,.10);border-color:rgba(47,214,165,.32);color:#9ff0d4}
.popup-actions{margin-top:9px;text-align:right}
.kml-label{
  background:rgba(8,14,17,.78)!important;border:1px solid rgba(255,255,255,.16)!important;
  color:#eaf4f8!important;font-size:11px!important;padding:2px 6px!important;border-radius:6px!important;
  box-shadow:none!important;
}
.kml-label::before{display:none!important}

/* 村名标注：只留文字，压在影像上也能看清 */
.village-label{
  background:transparent!important;border:0!important;box-shadow:none!important;
  color:#ffe08a!important;font-size:12px!important;font-weight:700!important;
  letter-spacing:.2px;white-space:nowrap;pointer-events:none!important;
  width:140px!important;line-height:20px!important;text-align:center!important;
  text-shadow:0 1px 0 #000,0 -1px 0 #000,1px 0 0 #000,-1px 0 0 #000,0 2px 6px rgba(0,0,0,.95);
}

/* ---------- responsive ---------- */
@media (max-width:820px){
  #topbar{top:10px;left:10px;right:10px}
  .brand-text p{display:none}
  .brand{padding:7px 10px 7px 8px}
  .logo{width:34px;height:34px;font-size:18px}
  #btnFit{display:none}
  #btnLocate{padding:9px 10px;font-size:12px}
  #panel{
    top:auto;left:10px;right:10px;bottom:56px;width:auto;max-height:52vh;
    transform:translateY(0);
  }
  #panel.hidden{transform:translateY(calc(100% + 70px));opacity:0}
  #coordbar{left:10px;bottom:10px;right:10px;justify-content:center;font-size:10.5px}
  #resText{display:none}
  #coordbar .sep{display:none}
  .cmp-tag{top:66px;font-size:10px;padding:5px 10px}
  #historyBadge{top:64px;font-size:10px;padding:5px 10px}
}

@media (max-width:520px){
  .brand-text{display:none}
  .brand{padding:7px}
}