:root{
  --ink:#1a2a22;
  --line:#dfe3dd;
  --paper:#ffffff;
  --moss:#0f5132;
  --moss-dim:#0f513214;
  --terracotta:#c9612b;
  --terracotta-dim:#c9612b22;
  --text-dim:#6b756c;
  --mono:'SFMono-Regular',Consolas,monospace;
}
*{box-sizing:border-box;}
html,body{height:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);}
#map{width:100%;height:100vh;background:#eef0ea;}

#searchBar{position:absolute;top:16px;left:16px;right:230px;z-index:10;display:flex;gap:10px;}
#searchInput{flex:1;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px 16px;font-size:14px;color:var(--ink);box-shadow:0 4px 14px rgba(20,30,20,0.10);}
#searchInput:focus{outline:none;border-color:var(--moss);}
#searchBtn{background:var(--moss);color:#fff;border:none;border-radius:10px;padding:0 22px;font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 4px 14px rgba(20,30,20,0.10);}
#searchBtn:hover{background:#0c3f27;}

#layerSwitch{position:absolute;top:16px;right:16px;z-index:10;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:12px 16px;box-shadow:0 4px 14px rgba(20,30,20,0.10);font-size:13px;}
.layer-opt{display:flex;align-items:center;gap:8px;padding:4px 0;cursor:pointer;}
.layer-opt input{accent-color:var(--moss);}

#drawToolbar{position:absolute;top:90px;left:16px;z-index:10;background:var(--paper);border:1px solid var(--line);border-radius:10px;box-shadow:0 4px 14px rgba(20,30,20,0.10);display:flex;flex-direction:column;overflow:hidden;}
.tool-btn{width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:var(--paper);border:none;border-bottom:1px solid var(--line);cursor:pointer;color:var(--ink);}
.tool-btn:last-child{border-bottom:none;}
.tool-btn:hover{background:var(--moss-dim);}
.tool-btn.active{background:var(--terracotta-dim);color:var(--terracotta);}
.tool-btn.danger:hover{background:#b3261e14;color:#b3261e;}
.tool-btn svg{width:18px;height:18px;}

#roofPanel{position:absolute;bottom:16px;left:16px;z-index:10;background:var(--paper);border:1px solid var(--line);border-radius:10px;box-shadow:0 4px 14px rgba(20,30,20,0.10);width:290px;max-height:46vh;display:flex;flex-direction:column;overflow:hidden;}
#roofPanelHead{padding:12px 14px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;cursor:pointer;}
#roofPanelHead h2{font-size:12px;text-transform:uppercase;letter-spacing:0.5px;margin:0;color:var(--text-dim);}
#roofPanelHead span{font-family:var(--mono);font-size:12px;color:var(--terracotta);font-weight:700;}
#roofList{overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:6px;}
#roofList.collapsed{display:none;}
.roof-card{border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;transition:border-color .15s;}
.roof-card:hover{border-color:var(--terracotta);}
.roof-card.selected{border-color:var(--terracotta);background:var(--terracotta-dim);}
.roof-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:2px;}
.roof-name{font-size:12.5px;font-weight:600;border:none;background:transparent;width:65%;color:var(--ink);}
.roof-name:focus{outline:none;border-bottom:1px dashed var(--terracotta);}
.roof-area{font-family:var(--mono);font-size:11px;color:var(--text-dim);}
.roof-area b{color:var(--terracotta);}

.solar-block{margin-top:8px;padding-top:8px;border-top:1px dashed var(--line);}
.solar-btn{width:100%;background:var(--moss-dim);color:var(--moss);border:1px solid var(--moss);border-radius:6px;padding:6px 8px;font-size:11.5px;font-weight:600;cursor:pointer;margin-top:6px;}
.solar-btn:first-child{margin-top:0;}
.solar-btn:hover{background:var(--moss);color:#fff;}
.solar-btn.report-btn{background:var(--terracotta-dim);color:var(--terracotta);border-color:var(--terracotta);}
.solar-btn.report-btn:hover{background:var(--terracotta);color:#fff;}
.solar-stats{display:flex;flex-direction:column;gap:2px;font-size:11px;color:var(--text-dim);}
.solar-stats b{color:var(--ink);font-family:var(--mono);}
.solar-error{font-size:11px;color:#b3261e;line-height:1.4;}
.icon-btn{background:none;border:none;color:var(--text-dim);cursor:pointer;padding:2px;display:inline-flex;vertical-align:middle;}
.icon-btn svg{width:14px;height:14px;}
.icon-btn:hover{color:var(--terracotta);}
.icon-btn.del:hover{color:#b3261e;}
.empty-state{padding:14px;font-size:12px;color:var(--text-dim);line-height:1.5;}

#hint{position:absolute;top:16px;left:50%;transform:translateX(-50%);z-index:20;background:var(--ink);color:#fff;padding:8px 16px;border-radius:20px;font-size:12px;display:none;box-shadow:0 6px 20px rgba(0,0,0,0.25);}

#loadError{position:absolute;inset:0;z-index:30;background:var(--paper);display:none;align-items:center;justify-content:center;text-align:center;padding:20px;}
#loadError p{max-width:360px;font-size:13px;color:var(--text-dim);line-height:1.6;}

#solarLegend{position:absolute;right:16px;bottom:16px;z-index:10;width:230px;background:#ffffff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;box-shadow:0 4px 14px rgba(20,30,20,0.12);font-size:11px;}
.legend-title{font-weight:700;margin-bottom:8px;color:var(--ink);}
.legend-gradient{height:14px;border-radius:8px;background:linear-gradient(to right,#2166ac 0%,#67a9cf 25%,#d9ef8b 50%,#fdae61 75%,#d73027 100%);}
.legend-labels{display:flex;justify-content:space-between;margin-top:5px;font-family:var(--mono);color:var(--text-dim);font-size:9px;}
.legend-unit{margin-top:5px;color:var(--text-dim);text-align:center;font-size:9px;}

/* ---- Report preview modal (the "next page" shown before download) ---- */
#reportPreviewOverlay{position:fixed;inset:0;z-index:60;background:rgba(15,25,20,0.55);display:none;align-items:center;justify-content:center;padding:20px;}
#reportPreviewOverlay.open{display:flex;}
.preview-card{width:100%;max-width:420px;background:var(--paper);border-radius:14px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,0.35);}
.preview-head{background:linear-gradient(135deg,#0f5132,#0a3a24);padding:20px 22px;color:#fff;position:relative;}
.preview-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.preview-logo{width:30px;height:30px;border-radius:50%;background:#fff;color:#0f5132;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0;}
.preview-brand-name{font-size:13px;font-weight:700;letter-spacing:0.3px;}
.preview-brand-tagline{font-size:10px;color:#cfe3d5;margin-top:1px;}
.preview-head h3{font-size:17px;margin:0 0 3px;}
.preview-head p{font-size:11px;margin:0;color:#cfe3d5;}
.preview-close{position:absolute;top:14px;right:16px;background:none;border:none;color:#fff;font-size:18px;cursor:pointer;opacity:0.8;line-height:1;}
.preview-close:hover{opacity:1;}
.preview-body{padding:18px 22px;}
.preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px;}
.preview-stat{background:var(--moss-dim);border:1px solid var(--line);border-radius:8px;padding:10px;}
.preview-stat .k{font-size:9.5px;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.3px;margin-bottom:3px;}
.preview-stat .v{font-size:14px;font-weight:700;color:var(--ink);font-family:var(--mono);}
.preview-note{font-size:10.5px;color:var(--text-dim);line-height:1.5;margin-bottom:16px;}
.preview-actions{display:flex;gap:10px;}
.preview-btn{flex:1;border-radius:8px;padding:11px;font-size:13px;font-weight:700;cursor:pointer;border:none;}
.preview-btn.download{background:var(--moss);color:#fff;}
.preview-btn.download:hover{background:#0c3f27;}
.preview-btn.cancel{background:var(--paper);color:var(--text-dim);border:1px solid var(--line);}
.preview-btn.cancel:hover{border-color:var(--terracotta);color:var(--terracotta);}