:root{--panel:#0f151e;--panel2:#1a2330;--line:#2a3848;--ok:#4fd58a;--bad:#ff6b6b;--warn:#ffb454;--accent:#ffc145;--known:#ff5a3c;--text:#dce5f0;--muted:#7d8ea3;--gnss:#91D0CD;--trav:#5ab0ff;--lev:#b388ff;}
*{margin:0;padding:0;box-sizing:border-box;}
html,body{height:100%;}
body{font-family:"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;display:flex;flex-direction:column;height:100vh;background:var(--panel);color:var(--text);font-size:13px;touch-action:manipulation;}
@supports(height:100dvh){body{height:100dvh;}}
::-webkit-scrollbar{width:5px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px;}

/* ===== Header ===== */
header{padding:7px 16px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;flex-wrap:wrap;flex-shrink:0;}
header h1{font-size:15px;font-weight:600;letter-spacing:.04em;white-space:nowrap;display:flex;align-items:center;gap:4px;}
.title-badge{width:auto;height:auto;padding:0!important;border:none!important;border-radius:0;background:transparent!important;color:var(--accent);font-size:15px;line-height:1;font-family:inherit;cursor:pointer;}
.title-badge:hover{color:#ffd27b;}
.title-help{flex-shrink:0;margin-left:0;}
.toolbar{display:flex;gap:4px;}
.toolbar button{padding:4px 8px;font-size:12px;}
.tb-icon{display:inline-flex;align-items:center;justify-content:center;padding:4px 6px!important;}
.mobile-base-toggle{display:none;}
.tabs{display:flex;gap:4px;margin-left:auto;}
.tab{padding:5px 12px;border:1px solid var(--line);border-radius:7px;background:transparent;color:var(--muted);font-size:13px;cursor:pointer;white-space:nowrap;font-family:inherit;}
.tab:hover{color:var(--text);}
.tab.active{border-color:var(--accent);color:var(--accent);background:rgba(255,193,69,.07);}

/* ===== Main layout ===== */
main{flex:1;display:flex;min-height:0;background:#080c12;}

/* ===== Map area ===== */
.map-wrap{flex:1;position:relative;min-width:0;overflow:hidden;}
#map{position:absolute;inset:0;background:#080c12;z-index:0;}
.leaflet-marker-icon:focus{outline:none;}
.ctrl-object-hint{position:absolute;left:12px;bottom:12px;z-index:900;background:rgba(15,21,30,.78);border:1px solid rgba(42,56,72,.85);border-radius:6px;color:var(--muted);font-size:11px;line-height:1;display:flex;align-items:center;gap:4px;padding:4px 8px;backdrop-filter:blur(8px);}
.ctrl-object-hint.active{border-color:var(--accent);color:var(--accent);background:rgba(15,21,30,.9);}
.mobile-snap-toggle{display:none;}
.mobile-popup-resize-zone{display:none;}
.ctrl-object-hint .help-dot{width:13px;height:13px;font-size:9px;margin-left:2px;}
.leaflet-control-attribution{background:transparent!important;color:rgba(125,142,163,0.35)!important;font-size:10px!important;}
.leaflet-control-attribution a{color:rgba(125,142,163,0.35)!important;}

/* ===== Floating map overlays ===== */
.map-float{position:absolute;z-index:1000;}
.map-search{top:12px;left:54px;display:flex;flex-direction:column;gap:6px;}
.map-search .search-box{display:flex;gap:6px;}
.map-search .search-box input{flex:0 1 160px;padding:7px 12px;border:1px solid rgba(42,56,72,0.8);border-radius:8px;background:rgba(15,21,30,0.88);color:var(--text);font-size:13px;font-family:inherit;backdrop-filter:blur(8px);}
.map-search .search-box input:focus{border-color:var(--accent);outline:none;}
.map-search .search-box button{padding:7px 12px;border:1px solid rgba(42,56,72,0.8);border-radius:8px;background:rgba(15,21,30,0.88);color:var(--text);font-size:13px;cursor:pointer;font-family:inherit;backdrop-filter:blur(8px);white-space:nowrap;flex-shrink:0;}
.map-search .search-box button:hover{border-color:var(--accent);color:var(--accent);}
.search-results{display:none;background:rgba(15,21,30,0.95);border:1px solid var(--line);border-radius:8px;backdrop-filter:blur(8px);overflow:hidden;max-height:200px;overflow-y:auto;}
.search-results.open{display:block;}
.search-results .sr-item{padding:8px 12px;font-size:12px;color:var(--text);cursor:pointer;border-bottom:1px solid var(--line);line-height:1.5;}
.search-results .sr-item:last-child{border-bottom:none;}
.search-results .sr-item:hover{background:rgba(255,193,69,0.1);color:var(--accent);}
.quick-btns{display:flex;gap:4px;flex-wrap:wrap;}
.bm-input{width:80px;padding:4px 8px;border:1px solid var(--accent);border-radius:6px;background:rgba(15,21,30,0.88);color:var(--text);font-size:11px;font-family:inherit;backdrop-filter:blur(8px);}
.quick-btns button{padding:4px 10px;border:1px solid rgba(42,56,72,0.8);border-radius:6px;background:rgba(15,21,30,0.88);color:var(--muted);font-size:11px;cursor:pointer;font-family:inherit;backdrop-filter:blur(8px);}
.quick-btns button:hover{color:var(--accent);border-color:var(--accent);}
.map-base{top:12px;right:60px;display:flex;}
.map-base button{padding:5px 10px;border:1px solid rgba(42,56,72,0.8);background:rgba(15,21,30,0.88);color:var(--muted);font-size:11px;cursor:pointer;font-family:inherit;backdrop-filter:blur(8px);}
.map-base button:first-child{border-radius:6px 0 0 6px;border-right:none;}
.map-base button:last-child{border-radius:0 6px 6px 0;}
.map-base button.active{color:var(--accent);}
.map-base button:hover{color:var(--text);}

/* ===== FAB container ===== */
.fab-container{position:absolute;bottom:20px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:8px;align-items:flex-end;}
.fab-btns{display:flex;gap:8px;}
.fab{width:40px;height:40px;border-radius:20px;background:rgba(15,21,30,0.92);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;cursor:pointer;backdrop-filter:blur(8px);color:var(--muted);transition:border-color .15s,color .15s;}
.fab:hover{border-color:var(--accent);color:var(--accent);}
.mobile-panel-fab{display:none;}
.float-popup{width:272px;background:rgba(15,21,30,0.95);border:1px solid var(--line);border-radius:10px;padding:12px;backdrop-filter:blur(12px);box-shadow:0 8px 32px rgba(0,0,0,0.4);display:none;max-height:60vh;overflow-y:auto;}
.float-popup.open{display:block;}
.float-popup-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.float-popup-header>span:first-child{font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--muted);}
.float-close{cursor:pointer;color:var(--muted);font-size:13px;line-height:1;}
.float-close:hover{color:var(--text);}

/* ===== Tool accordion ===== */
.tool-item{border-top:1px solid var(--line);padding-top:2px;}
.tool-item:first-of-type{border-top:none;padding-top:0;}
.tool-name{padding:8px 0;cursor:pointer;font-size:11px;color:var(--muted);letter-spacing:.08em;}
.tool-name:hover{color:var(--text);}
.tool-body{display:none;padding-bottom:4px;}
.tool-item.open .tool-body{display:block;}


/* ===== Icon tab bar ===== */
.icon-bar{width:48px;flex-shrink:0;background:#080c12;border-left:1px solid var(--line);display:flex;flex-direction:column;padding-top:4px;}
.icon-tab{width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative;color:var(--muted);}
.icon-tab:hover{background:rgba(255,255,255,0.04);}
.icon-tab.active{color:var(--accent);}
.icon-indicator{position:absolute;left:0;top:10px;bottom:10px;width:2px;background:var(--accent);border-radius:0 1px 1px 0;display:none;}
.icon-tab.active .icon-indicator{display:block;}

/* ===== Panel area ===== */
#panelArea{width:320px;flex-shrink:0;display:none;flex-direction:column;border-left:1px solid var(--line);background:var(--panel);overflow:hidden;}
#panelArea.open{display:flex;}
.panel{display:none;flex-direction:column;overflow:hidden;min-height:80px;}
.panel.open{display:flex;flex:1;}
.panel-header{padding:8px 12px;display:flex;align-items:center;justify-content:space-between;border-top:2px solid var(--accent);flex-shrink:0;background:#0d1219;}
.panel-header>span:first-child{font-size:11px;font-weight:600;letter-spacing:.1em;color:var(--muted);}
.panel-close{cursor:pointer;color:var(--muted);font-size:14px;line-height:1;padding:2px 4px;}
.panel-close:hover{color:var(--text);}
.ph-actions{display:flex;align-items:center;gap:6px;}
.zoom-fit{cursor:pointer;color:var(--muted);display:inline-flex;align-items:center;padding:2px;}
.zoom-fit:hover{color:var(--accent);}
.panel-body{flex:1;overflow-y:auto;padding:10px 12px;}
.panel-resizer{height:5px;background:var(--line);cursor:ns-resize;flex-shrink:0;display:none;}
.panel-resizer:hover{background:var(--accent);}
.mobile-panel-resizer{display:none;}

/* ===== Common components ===== */
.search-box{display:flex;gap:8px;}
.search-box input{flex:1;padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--panel2);color:var(--text);font-size:13px;}
.search-box input:focus{outline:1px solid var(--accent);}
.search-box button,.minor-btn{width:auto;padding:8px 12px;}
input[type="checkbox"]{appearance:none;-webkit-appearance:none;width:13px;height:13px;border:1.5px solid var(--muted);border-radius:3px;background:transparent;cursor:pointer;position:relative;flex-shrink:0;margin:0;}
input[type="checkbox"]:checked{border-color:var(--accent);background:transparent;}
input[type="checkbox"]:checked::after{content:'';position:absolute;left:3px;top:0px;width:4px;height:7.5px;border:solid var(--accent);border-width:0 1.5px 1.5px 0;transform:rotate(45deg);}
button{padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--panel2);color:var(--text);font-size:13px;cursor:pointer;font-family:inherit;}
button:hover{border-color:var(--accent);color:var(--accent);}
button:disabled{opacity:.4;cursor:not-allowed;}
button.active{border-color:var(--accent);color:var(--accent);}
button.calcon{border-color:var(--ok);color:var(--ok);}
button.danger-lite:hover{border-color:var(--bad);color:var(--bad);}
button.wide{width:100%;flex:1;}
.btn-row{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;}
.param{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px;margin-bottom:7px;color:var(--muted);}
.param input,.param select{width:96px;padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:var(--panel2);color:var(--text);font-size:13px;text-align:right;}
.note{font-size:11px;color:var(--muted);line-height:1.65;margin-top:8px;}
.sub-h{font-size:11px;color:var(--muted);margin:10px 0 5px;letter-spacing:.08em;display:flex;align-items:center;justify-content:space-between;gap:8px;}
.legend{display:flex;gap:16px;margin-top:10px;font-size:12px;color:var(--muted);align-items:center;flex-wrap:wrap;}
.legend span{display:flex;align-items:center;gap:6px;}
.lg-tri{width:0;height:0;border-left:7px solid transparent;border-right:7px solid transparent;border-bottom:12px solid var(--known);}
.lg-tri.g{border-bottom-color:var(--known);opacity:.45;}
.lg-cir{width:13px;height:13px;border-radius:50%;background:var(--gnss);}

/* ===== Point & marker styles ===== */
.pt-label{display:inline-block;color:#1c1500;font-weight:700;font-size:11px;min-width:22px;height:22px;line-height:22px;text-align:center;border-radius:11px;padding:0 4px;border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.55);white-space:nowrap;transform:translate(-50%,-50%);}
.pt-label.gnss{background:var(--gnss);} .pt-label.trav{background:var(--trav);color:#031424;} .pt-label.lev{background:var(--lev);color:#150033;}
.pt-label.term{border-color:var(--ok);box-shadow:0 0 0 2px var(--ok),0 1px 4px rgba(0,0,0,.55);}
.pt-label.sync{box-shadow:0 0 0 2px var(--trav),0 1px 4px rgba(0,0,0,.55);}
.pt-label.anchor{background:var(--known);color:#fff;}
.pt-turn{display:inline-block;font-weight:600;font-size:9px;min-width:14px;height:14px;line-height:14px;text-align:center;border-radius:7px;padding:0 3px;background:#b0bec5;color:#1a1a1a;border:1.5px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,.5);white-space:nowrap;transform:translate(-50%,-50%);}
.row.ke{opacity:.55;}
.ke-tag{font-size:10px;color:var(--trav);font-weight:400;}
.pt-label.sel{outline:3px solid var(--accent);}
.pt-turn.sel{outline:3px solid var(--accent);}
.ctrl-snap-marker{width:14px;height:14px;border-radius:50%;border:2px solid var(--accent);background:transparent;box-shadow:0 0 0 2px rgba(0,0,0,.45),0 0 8px rgba(255,193,69,.55);}
.ctrl-snap-marker.hit{background:var(--accent);}
.ctrl-commit-marker{width:18px;height:18px;border-radius:9px;border:1px solid rgba(255,255,255,.82);background:var(--panel2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;line-height:1;box-shadow:0 2px 8px rgba(0,0,0,.42);touch-action:manipulation;}
.ctrl-commit-marker:active{transform:scale(.94);}
.pt-known{display:flex;flex-direction:column;align-items:center;}
.pt-known svg{display:block;filter:drop-shadow(0 1px 2px rgba(0,0,0,.55));}
.known-nm{margin-top:-2px;background:var(--known);color:#2a0a00;font-weight:700;font-size:10px;line-height:1;padding:2px 5px;border-radius:8px;border:1.5px solid #fff;white-space:nowrap;}
.pt-known.sel svg{filter:drop-shadow(0 0 4px var(--accent));}
.pt-known.ghost{opacity:.6;cursor:pointer;}
.pt-known.ghost .known-nm{background:#7d4030;border-style:dashed;}
.pt-known.link svg polygon{stroke:var(--trav);}
.note-pin{position:relative;display:inline-block;transform:translate(-50%,-100%);cursor:grab;}
.note-pin.inactive{opacity:.32;filter:grayscale(.35);cursor:default;pointer-events:none;}
.note-pin svg{display:block;filter:drop-shadow(0 1px 3px rgba(0,0,0,.5));}
.note-text{position:absolute;top:100%;left:50%;transform:translateX(-50%);margin-top:1px;background:rgba(255,180,84,.92);color:#1c1500;font-weight:600;font-size:10px;line-height:1;padding:2px 5px;border-radius:6px;border:1px solid #fff;white-space:nowrap;max-width:80px;overflow:hidden;text-overflow:ellipsis;}
.note-list{display:flex;flex-direction:column;gap:5px;margin-top:8px;}
.note-toggle{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--muted);cursor:pointer;user-select:none;padding:2px 0;}
.note-toggle:hover{color:var(--text);}
.note-toggle-arrow{font-size:10px;width:12px;display:inline-block;}
.note-list-empty{font-size:11px;color:var(--muted);line-height:1.6;}
.note-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:5px;align-items:center;background:var(--panel2);border-radius:6px;padding:5px;}
.note-row.dim{opacity:.68;}
.note-no{font-family:Consolas,monospace;font-size:11px;color:var(--accent);min-width:24px;}
.note-row input{width:100%;min-width:0;padding:3px 6px;border:1px solid var(--line);border-radius:5px;background:var(--panel);color:var(--text);font-size:12px;}
.note-row .ic.active{border-color:var(--accent);color:var(--accent);background:rgba(255,193,69,.08);}
.dist-label{background:rgba(15,21,30,.85);color:#fff;font-family:Consolas,monospace;font-size:11px;padding:1px 5px;border-radius:4px;white-space:nowrap;border:1px solid rgba(255,255,255,.22);}
.dist-label.bad{color:var(--bad);border-color:var(--bad);}
.ang-label{background:rgba(15,21,30,.8);color:var(--warn);font-family:Consolas,monospace;font-size:10px;padding:1px 4px;border-radius:4px;border:1px solid rgba(255,180,84,.4);}
.tri-label{background:rgba(145,208,205,.92);color:#062120;font-weight:700;font-family:Consolas,monospace;font-size:12px;width:20px;height:20px;line-height:20px;text-align:center;border-radius:50%;border:1.5px solid #fff;}
.del-popup-btn{padding:4px 12px;font-size:12px;border-radius:6px;background:#fff;border:1px solid #c33;color:#c33;margin:0 3px;}
.kind-popup-btn{padding:4px 12px;font-size:12px;border-radius:6px;background:#fff;border:1px solid #d77;color:#a33;margin:0 3px;}

/* ===== Data rows & stats ===== */
.row{display:flex;justify-content:space-between;align-items:center;font-family:"SF Mono",Consolas,monospace;font-size:13px;padding:5px 8px;border-radius:6px;margin-bottom:3px;background:var(--panel2);}
.row .lab{color:var(--text);} .row .val{font-variant-numeric:tabular-nums;}
.row.ok .val{color:var(--ok);} .row.bad .val{color:var(--bad);} .row.warn .val{color:var(--warn);}
.row .mk{width:1.6em;display:inline-flex;align-items:center;justify-content:center;}
.row.ok .mk{color:var(--ok);} .row.bad .mk{color:var(--bad);} .row.warn .mk{color:var(--warn);}
svg.mk-icon{width:14px;height:14px;flex-shrink:0;}
.verdict svg.mk-icon{width:15px;height:15px;vertical-align:-2px;margin-right:2px;}
.pt-row{display:flex;gap:6px;align-items:center;font-family:"SF Mono",Consolas,monospace;font-size:12px;padding:4px 6px;color:var(--muted);}
.pt-row b{font-weight:600;min-width:3.4em;max-width:7em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:text;border-bottom:1px dashed transparent;}
.pt-row b:hover{border-bottom-color:var(--muted);}
.pt-row b.k{color:var(--known);} .pt-row b.n{color:var(--accent);} .pt-row b.link{color:var(--trav);cursor:text;}
.pt-row b.link:hover{border-bottom-color:var(--muted);}
.pt-row .co{flex:1;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;}
.pt-row .nameinput{min-width:4em;max-width:7em;padding:1px 4px;border:1px solid var(--accent);border-radius:4px;background:var(--panel);color:var(--text);font-size:12px;font-family:inherit;}
.ic{padding:1px 6px;font-size:11px;border-radius:5px;background:transparent;border:1px solid var(--line);color:var(--muted);cursor:pointer;font-family:inherit;}
.ic.k{border-color:var(--known);color:var(--known);}
.ic.s{border-color:var(--trav);color:var(--trav);}
.ic.del:hover{border-color:var(--bad);color:var(--bad);}
.summary{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:10px;}
.stat{background:var(--panel2);border-radius:8px;padding:8px 10px;}
.stat .k{font-size:11px;color:var(--muted);} .stat .v{font-size:16px;font-variant-numeric:tabular-nums;margin-top:2px;}
.verdict{margin-top:8px;padding:9px;border-radius:8px;font-size:13px;text-align:center;background:var(--panel2);color:var(--muted);}
.verdict.pass{color:var(--ok);border:1px solid var(--ok);}
.verdict.fail{color:var(--bad);border:1px solid var(--bad);}
.tri-row{display:flex;gap:6px;align-items:center;font-size:12px;padding:4px 6px;background:var(--panel2);border-radius:6px;margin-bottom:4px;font-family:Consolas,monospace;}
.tri-row .no{color:var(--accent);font-weight:700;width:1.6em;}
.tri-row .vx{flex:0 0 auto;}
.tri-row .pm{color:var(--muted);}
.tri-row input{flex:1;min-width:3em;padding:2px 6px;border:1px solid var(--line);border-radius:5px;background:var(--panel);color:var(--text);font-size:11px;}
.tri-clear-btn{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;padding:0;border-radius:6px;background:transparent;color:var(--muted);flex-shrink:0;}
.tri-clear-btn:hover{border-color:var(--bad);color:var(--bad);}
.gnss-design-tools{margin-bottom:8px;}
.gnss-tri-section{margin-top:10px;}
.scheme-row{display:flex;gap:6px;align-items:center;font-size:12px;padding:5px 7px;background:var(--panel2);border-radius:6px;margin-bottom:4px;}
.scheme-row .nm{flex:1;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.scheme-row .tm{color:var(--muted);font-size:10px;}

/* ===== Modals ===== */
#intro{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:9200;}
#intro.show{display:flex;}
#introBody{min-height:40px;font-size:13px;line-height:1.75;color:var(--text);}
#introBody p{margin-bottom:8px;}
#imp{position:fixed;inset:0;background:rgba(0,0,0,.55);display:none;align-items:center;justify-content:center;z-index:9000;}
#imp.show{display:flex;}
.modal{width:min(560px,92vw);max-height:88vh;overflow-y:auto;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;}
.modal h3{font-size:15px;margin-bottom:12px;}
.modal .param input,.modal .param select{width:150px;}
.prev{margin-top:10px;border:1px solid var(--line);border-radius:8px;overflow:hidden;}
.prev table{width:100%;border-collapse:collapse;font-family:Consolas,monospace;font-size:12px;}
.prev th,.prev td{padding:5px 8px;text-align:left;border-bottom:1px solid var(--line);}
.prev th{color:var(--muted);background:var(--panel2);}
.modal-actions{display:flex;gap:8px;margin-top:14px;justify-content:flex-end;}
.modal-actions button{padding:8px 16px;}
.modal-actions .go{border-color:var(--accent);color:var(--accent);}

.announcement-modal{width:min(560px,92vw);position:relative;}
.announcement-modal::before,.announcement-modal::after{content:"";position:absolute;width:42px;height:42px;pointer-events:none;}
.announcement-modal::before{left:8px;top:8px;border-left:1px solid var(--accent);border-top:1px solid var(--accent);border-radius:8px 0 0 0;}
.announcement-modal::after{right:8px;bottom:8px;border-right:1px solid var(--accent);border-bottom:1px solid var(--accent);border-radius:0 0 8px 0;}
#intro.announcement-history .announcement-modal{width:min(680px,92vw);}
.announcement-head{display:flex;justify-content:space-between;gap:16px;margin-bottom:12px;}
.announcement-head h3{color:var(--accent);margin-bottom:0;padding-top:6px;}
.modal-close{width:28px;height:28px;padding:0!important;border-radius:7px;background:transparent;color:var(--muted);font-size:18px;line-height:1;flex-shrink:0;}
.modal-close:hover{color:var(--accent);}
.announcement-main{display:grid;grid-template-columns:180px minmax(0,1fr);grid-template-rows:auto 1fr;gap:8px 12px;align-items:start;}
.announcement-list{display:flex;flex-direction:column;gap:5px;}
.announcement-list button{width:100%;padding:7px 8px;text-align:left;border-radius:7px;background:var(--panel2);color:var(--muted);font-size:12px;line-height:1.35;}
.announcement-list button.active{border-color:var(--accent);color:var(--accent);background:rgba(255,193,69,.08);}
.announcement-list .announcement-item-title{display:block;color:inherit;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.announcement-list .announcement-item-date{display:block;font-size:10px;color:var(--muted);margin-top:2px;}
.announcement-nav{grid-column:1;grid-row:2;display:flex;align-items:center;gap:8px;flex-shrink:0;}
.announcement-body{grid-column:2;grid-row:1 / span 2;min-height:180px;padding:12px;border:1px solid var(--line);border-radius:8px;background:rgba(26,35,48,.45);}
#intro:not(.announcement-history) .announcement-main{display:block;}
#intro:not(.announcement-history) .announcement-list,#intro:not(.announcement-history) .announcement-nav{display:none;}
#intro:not(.announcement-history) .announcement-body{min-height:160px;padding:0;border:none;background:transparent;}
#intro.announcement-history .announcement-dismiss{display:none!important;}
.announcement-empty{color:var(--muted);font-size:12px;}
.announcement-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;}
.announcement-dismiss{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;cursor:pointer;}
.announcement-nav button{padding:6px 10px;font-size:12px;}
#introCount{font-size:11px;color:var(--muted);min-width:38px;text-align:center;}

/* ===== Help popup ===== */
.help-dot{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;border-radius:50%;border:1px solid var(--muted);color:var(--muted);font-size:10px;font-weight:700;cursor:pointer;margin-left:6px;vertical-align:middle;user-select:none;flex:none;}
.help-dot:hover{border-color:var(--accent);color:var(--accent);}
h1 .help-dot{width:17px;height:17px;font-size:11px;}
#helpPop{position:fixed;z-index:9500;width:min(300px,82vw);background:var(--panel);border:1px solid var(--accent);border-radius:10px;padding:12px 14px 10px;box-shadow:0 8px 26px rgba(0,0,0,.55);display:none;font-size:12.5px;line-height:1.7;}
#helpPop h4{font-size:13px;margin-bottom:6px;color:var(--accent);}
#helpPop p{margin-bottom:6px;color:var(--text);}
#helpPop p b{color:var(--accent);}
#helpPop .close{position:absolute;top:6px;right:10px;cursor:pointer;color:var(--muted);font-size:15px;line-height:1;}
#helpPop .close:hover{color:var(--accent);}

/* ===== Toast ===== */
#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--accent);color:var(--accent);padding:8px 16px;border-radius:8px;font-size:13px;opacity:0;transition:opacity .25s;pointer-events:none;z-index:9999;max-width:80vw;text-align:center;}
#toast.show{opacity:1;}

/* ===== Point selection & batch numbering ===== */
.pt-row.selected{background:rgba(255,193,69,0.12);border-radius:4px;}
.batch-select-row{display:flex;gap:4px;margin-top:8px;align-items:center;flex-wrap:wrap;}
.batch-select-row button{padding:3px 8px;font-size:11px;border-radius:5px;}
#selCount{font-size:11px;color:var(--accent);margin-left:2px;}
.batch-row{display:flex;gap:4px;margin-top:6px;align-items:center;}
.batch-row input[type="text"]{padding:4px 6px;border:1px solid var(--line);border-radius:5px;background:var(--panel2);color:var(--text);font-size:12px;font-family:inherit;}
#batchPrefix{width:52px;}
#batchStart{min-width:44px;width:auto;text-align:center;}
.batch-row button{padding:4px 8px;font-size:12px;border-radius:5px;white-space:nowrap;}

/* ===== Route list (trav multi-route) ===== */
.route-item{border:1px solid var(--line);border-radius:8px;margin-bottom:6px;overflow:hidden;}
.route-item.active{border-color:var(--trav);}
.route-header{display:flex;align-items:center;gap:6px;padding:6px 8px;cursor:pointer;background:var(--panel2);user-select:none;}
.route-header:hover{background:rgba(90,176,255,0.06);}
.route-arrow{font-size:10px;color:var(--muted);width:1em;flex-shrink:0;}
.route-name{flex:1;font-size:12px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.route-zoom{display:inline-flex;align-items:center;cursor:pointer;opacity:.45;padding:2px;flex-shrink:0;}.route-zoom:hover{opacity:1;color:var(--accent);}
.route-item.active .route-name{color:var(--trav);}
.route-closed-wrap{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:3px;cursor:pointer;flex-shrink:0;}
.route-closed-wrap input{margin:0;cursor:pointer;}
.route-body{padding:4px 8px 8px;}
.route-item.hidden-route .route-header{opacity:.45;}
.route-item.locked-route .route-name::after{content:" 🔒";font-size:10px;}
.pt-label.inactive{opacity:.35;pointer-events:none;}
.pt-known.inactive{opacity:.35;pointer-events:none;}

/* ===== Turn points panel ===== */
.turn-toggle{display:flex;align-items:center;gap:4px;padding:2px 0 2px 22px;font-size:11px;color:var(--muted);cursor:pointer;user-select:none;}
.turn-toggle:hover{color:var(--text);}
.turn-warn-icon{width:13px;height:13px;color:var(--accent);vertical-align:-1px;flex-shrink:0;}
.turn-row{display:flex;align-items:center;gap:6px;padding:1px 0 1px 30px;font-size:11px;color:var(--text);}
.turn-row .turn-nm{font-weight:600;min-width:28px;}
.turn-row .turn-dist{color:var(--muted);font-family:Consolas,monospace;font-size:10px;}
.turn-row .turn-dist.bad{color:var(--bad);}
.turn-row .ic{font-size:10px;padding:1px 3px;}

/* ===== Drag reorder ===== */
.drag-handle{color:var(--muted);cursor:grab;font-size:10px;user-select:none;padding-right:2px;}
.pt-row.dragging{opacity:.25;}
.pt-row.drag-above{box-shadow:inset 0 2px 0 0 var(--accent);}
.pt-row.drag-below{box-shadow:inset 0 -2px 0 0 var(--accent);}

/* ===== Context menu ===== */
.ctx-menu{position:fixed;z-index:9600;background:rgba(15,21,30,0.95);border:1px solid var(--line);border-radius:8px;padding:4px 0;backdrop-filter:blur(8px);box-shadow:0 4px 16px rgba(0,0,0,0.4);min-width:80px;}
.ctx-menu-item{padding:6px 14px;font-size:12px;color:var(--text);cursor:pointer;}
.ctx-menu-item:hover{background:rgba(255,193,69,0.1);color:var(--accent);}

/* ===== Mobile ===== */
@media(max-width:760px){
  html,body{overscroll-behavior-y:none;}
  main{flex-direction:column;}
  .map-wrap{flex:1;order:1;}
  #panelArea{width:100%;height:33.333vh;min-height:120px;max-height:72vh;border-left:none;border-top:1px solid var(--line);order:2;overflow:visible;position:relative;}
  #panelArea.open:not(.points-open){height:0;min-height:0;max-height:0;border-top:none;}
  #panelArea.open{display:flex;}
  #panelArea.points-open{border-top:none;}
  #panelArea.points-open .mobile-panel-resizer{display:block;position:absolute;left:0;right:0;top:0;height:20px;z-index:5;cursor:ns-resize;touch-action:none;background:transparent;}
  .panel{min-height:0;}
  .panel.open{flex:1!important;min-height:0;}
  #panelDesign.open,#panelAnalysis.open{position:fixed;right:58px;bottom:52px;width:min(272px,calc(100vw - 72px));max-height:60vh;z-index:1200;border:1px solid var(--line);border-radius:10px;background:rgba(15,21,30,0.95);backdrop-filter:blur(12px);box-shadow:0 8px 32px rgba(0,0,0,0.4);padding:12px;overflow:hidden;}
  #panelDesign.open .panel-header,#panelAnalysis.open .panel-header{padding:0;margin-bottom:10px;border-top:none;background:transparent;}
  #panelDesign.open .panel-body,#panelAnalysis.open .panel-body{padding:0;max-height:calc(60vh - 36px);}
  .panel-body{min-height:0;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;}
  .icon-bar{width:100%;height:40px;flex-direction:row;justify-content:center;border-left:none;border-top:1px solid var(--line);padding:0;order:3;}
  .icon-tab[data-panel="design"],.icon-tab[data-panel="analysis"]{display:none;}
  .icon-tab{width:48px;height:40px;}
  .icon-indicator{left:10px;right:10px;top:auto;bottom:0;width:auto;height:2px;border-radius:1px 1px 0 0;}
  .fab-container{bottom:52px;right:10px;}
  .fab-btns{flex-direction:column-reverse;gap:7px;}
  .fab{width:38px;height:38px;border-radius:19px;}
  #fabScheme{order:0;}
  #fabTools{order:1;}
  #fabAnalysis{order:2;}
  #fabDesign{order:3;}
  .mobile-panel-fab{display:flex;}
  .mobile-panel-fab.active{border-color:var(--accent);color:var(--accent);background:rgba(255,193,69,.08);}
  .map-base{display:none;}
  .map-search{top:10px;left:50px;gap:5px;}
  .map-search .search-box{gap:5px;}
  .map-search .search-box input{width:112px;min-width:0;flex:0 0 112px;padding:6px 9px;font-size:12px;border-radius:7px;}
  .map-search .search-box button{padding:6px 9px;font-size:11px;border-radius:7px;}
  header{padding:5px 7px;gap:5px;flex-wrap:nowrap;min-width:0;}
  header h1{display:flex;align-items:center;gap:3px;width:auto;min-width:32px;font-size:0;line-height:1;overflow:hidden;flex-shrink:0;}
  .title-badge{font-size:13px;}
  .title-text{display:none;}
  .title-help{display:inline-flex;width:13px;height:13px;font-size:9px;margin-left:0;}
  .toolbar{gap:3px;flex-shrink:0;}
  .toolbar button{padding:3px 5px!important;font-size:11px;}
  .mobile-base-toggle{display:inline-flex;color:#fff;font-size:12px;font-weight:600;line-height:1;min-width:26px;}
  .tabs{gap:3px;margin-left:auto;min-width:0;flex-shrink:0;}
  .tab{padding:4px 7px;font-size:0;min-width:0;}
  .tab::before{content:attr(data-short);font-size:12px;}
  .float-popup{position:fixed;right:58px;bottom:52px;width:min(272px,calc(100vw - 72px));max-height:50vh;z-index:1200;overflow-y:auto;}
  .mobile-popup-resize-zone{display:block;position:absolute;left:-4px;top:-4px;width:64px;height:54px;z-index:3;cursor:ns-resize;touch-action:none;background:transparent;user-select:none;-webkit-user-select:none;}
  .float-popup::before,.float-popup::after,#panelDesign.open::before,#panelDesign.open::after,#panelAnalysis.open::before,#panelAnalysis.open::after{content:"";position:absolute;width:24px;height:24px;pointer-events:none;}
  .float-popup::before,#panelDesign.open::before,#panelAnalysis.open::before{left:-2px;top:-2px;border-left:4px solid var(--accent);border-top:4px solid var(--accent);border-radius:10px 0 0 0;}
  .float-popup::after,#panelDesign.open::after,#panelAnalysis.open::after{right:-2px;bottom:-2px;border-right:4px solid var(--accent);border-bottom:4px solid var(--accent);border-radius:0 0 10px 0;}
  .modal{padding:14px;}
  #panelDesign.open,#panelAnalysis.open{max-height:50vh;}
  #panelDesign.open .panel-body,#panelAnalysis.open .panel-body{max-height:calc(50vh - 36px);}
  #intro.announcement-history .announcement-modal{height:min(58vh,520px);max-height:64vh;display:flex;flex-direction:column;overflow:hidden;}
  #intro.announcement-history .announcement-head{flex-shrink:0;}
  #intro.announcement-history .announcement-main{display:flex;flex-direction:column;flex:1;min-height:0;gap:0;}
  #intro.announcement-history .announcement-list{flex:0 0 auto;width:100%;max-height:none;margin:0;overflow:hidden;border-top:1px solid var(--line);}
  #intro.announcement-history .announcement-list button{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;height:44px;padding:0;border:none;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--text);}
  #intro.announcement-history .announcement-list button.active{background:transparent;color:var(--accent);border-color:var(--line);}
  #intro.announcement-history .announcement-list .announcement-item-title{min-width:0;flex:1;}
  #intro.announcement-history .announcement-list .announcement-item-date{flex-shrink:0;margin-top:0;margin-left:auto;text-align:right;}
  #intro.announcement-history .announcement-nav{width:100%;justify-content:center;padding:4px 0 6px;border-bottom:1px solid var(--line);}
  #intro.announcement-history .announcement-nav button{padding:3px 8px;border:none;background:transparent;color:var(--muted);}
  #intro.announcement-history .announcement-nav button:hover{color:var(--accent);}
  #intro.announcement-history .announcement-body{flex:1;min-height:0;overflow-y:auto;padding:10px 0 0;border:none;border-radius:0;background:transparent;}
  .announcement-main{display:block;}
  .announcement-list{max-height:120px;margin-bottom:10px;}
  .announcement-body{min-height:160px;}
  .announcement-foot{align-items:flex-start;flex-direction:column;}
  .announcement-nav{width:100%;justify-content:flex-end;}
  .ctrl-object-hint{left:10px;bottom:8px;font-size:10px;padding:5px 7px;gap:6px;}
  .ctrl-desktop-text{display:none;}
  .mobile-snap-toggle{display:flex;align-items:center;gap:6px;cursor:pointer;user-select:none;touch-action:manipulation;color:var(--muted);}
  .ctrl-object-hint.calc-mode .mobile-snap-toggle{touch-action:none;}
  .ctrl-object-hint.calc-mode .mobile-snap-toggle i{display:none;}
  .mobile-snap-toggle input{position:absolute;opacity:0;width:0;height:0;}
  .mobile-snap-toggle i{position:relative;display:inline-block;width:28px;height:16px;border-radius:8px;background:var(--line);flex-shrink:0;}
  .mobile-snap-toggle i::before{content:"";position:absolute;width:12px;height:12px;left:2px;top:2px;border-radius:50%;background:#fff;transition:transform .15s;}
  .mobile-snap-toggle input:checked+i{background:transparent;box-shadow:inset 0 0 0 1.5px var(--accent);}
  .mobile-snap-toggle input:checked+i::before{transform:translateX(12px);background:var(--accent);}
  .leaflet-tooltip{display:none;}
}

/* ===== GPS 定位 ===== */
.gps-locate-btn{display:inline-flex;align-items:center;justify-content:center;padding:4px 8px!important;}
.gps-track-toggle{position:relative;display:inline-flex;align-items:center;width:32px;height:18px;cursor:pointer;flex-shrink:0;}
.gps-track-toggle input{opacity:0;width:0;height:0;position:absolute;}
.gps-track-slider{position:absolute;inset:0;background:var(--line);border-radius:9px;transition:background .2s;}
.gps-track-slider::before{content:"";position:absolute;width:14px;height:14px;left:2px;bottom:2px;background:#fff;border-radius:50%;transition:transform .2s;}
.gps-track-toggle input:checked+.gps-track-slider{background:transparent;box-shadow:inset 0 0 0 1.5px var(--accent);}
.gps-track-toggle input:checked+.gps-track-slider::before{transform:translateX(14px);}
.gps-heading{display:flex;align-items:center;justify-content:center;}
.gps-locate-icon{cursor:pointer;display:inline-flex;align-items:center;color:var(--muted);transition:color .15s;}
.gps-locate-icon:hover{color:var(--accent);}
.gps-locate-icon.sampling{color:var(--accent);animation:gps-pulse 1s infinite;}
@keyframes gps-pulse{0%,100%{opacity:1;}50%{opacity:.4;}}