:root{--red:#e1251b;--line:#d8e0ea;--navy:#172033}*{box-sizing:border-box}body{margin:0;background:#f3f6fa;color:var(--navy);font:14px Arial}header{height:62px;background:#fff;border-bottom:3px solid var(--red);display:flex;align-items:center;justify-content:space-between;padding:8px 18px}header b{font-size:26px;color:var(--red)}header span{font-size:18px;font-weight:800;margin-left:14px}nav{display:inline-flex;margin-left:24px;gap:4px}nav a{padding:10px;text-decoration:none;color:#475569;font-weight:700;border-radius:6px}nav a.active{background:var(--red);color:#fff}button{padding:9px 12px;border:1px solid #94a3b8;border-radius:7px;background:#fff;font-weight:700}header>button,#send{background:var(--red);color:#fff;border-color:var(--red)}main{height:calc(100vh - 62px);display:grid;grid-template-columns:340px 1fr}aside{overflow:auto;background:#fff;border-right:1px solid var(--line);padding:16px}aside h2{margin:0}aside p{color:#64748b}.upload{border:1px solid var(--line);border-radius:8px;margin:10px 0}.upload-head{display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:center;padding:10px}.upload-head strong{overflow-wrap:anywhere}.tree{padding:0 8px 10px}.node{margin-left:16px}.node-row{display:flex;align-items:center;gap:6px;padding:5px;border-radius:5px}.node-row:hover{background:#eff6ff}.toggle{width:23px;padding:2px;border:0}.node-name{flex:1;overflow-wrap:anywhere}.muted{color:#64748b;font-size:11px}section{position:relative;min-width:0}#map{height:100%}#search{position:absolute;z-index:900;left:54px;top:10px;width:420px;background:#fff;padding:7px;border-radius:8px;box-shadow:0 2px 10px #0003;display:grid;grid-template-columns:1fr auto;gap:5px}#search input,dialog input{padding:9px;border:1px solid #94a3b8;border-radius:6px}#searchResults{grid-column:1/-1}.result{display:block;width:100%;text-align:left;border:0}dialog{width:min(560px,94vw);border:0;border-radius:12px}dialog form{display:grid;gap:14px}dialog label{display:grid;gap:5px}dialog form>div{display:flex;justify-content:flex-end;gap:8px}#toast{position:fixed;right:18px;bottom:18px;z-index:3000;background:#172033;color:#fff;padding:11px;border-radius:7px;display:none}@media(max-width:800px){main{grid-template-columns:1fr}aside{height:280px}#search{left:50px;width:calc(100% - 60px)}}