:root{--ink:#17324a;--muted:#667681;--paper:#f4f6f3;--panel:#fbfcf9;--line:#d6dcda;--ice:#9bc5cf;--focus:#f2bd4f;--uncertain:#8b6f47;--d1:#d6603d;--d2:#278367;--d3:#7857a6;--d4:#1686a4;--d5:#315da8;--d6:#9c5b24;--d7:#4f6775;--branch:#6d7277}
    *{box-sizing:border-box}
    html,body{height:100%;margin:0}
    body{font-family:"Noto Sans SC",sans-serif;color:var(--ink);background:var(--paper);overflow:hidden}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
    .app{display:grid;grid-template-rows:auto minmax(0,1fr);height:100%}
    .masthead{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 24px 0 28px;background:var(--ink);color:white;border-bottom:4px solid var(--ice);position:relative;z-index:1001}
    .title-wrap{display:flex;align-items:baseline;gap:16px;min-width:0}
    h1{font-family:"Noto Serif SC",serif;font-size:24px;line-height:1.1;margin:0;white-space:nowrap;letter-spacing:.02em}
    .subtitle{font-size:12px;opacity:.74;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .header-actions{display:flex;align-items:center;gap:8px}
    .action{border:1px solid rgba(255,255,255,.35);background:transparent;color:white;padding:8px 12px;border-radius:4px;font-size:13px}
    .action:hover{background:rgba(255,255,255,.12)}
    .workspace{display:grid;grid-template-columns:minmax(0,1fr) 400px;min-height:0}
    .map-column{display:grid;grid-template-rows:minmax(0,1fr) 250px;min-width:0;min-height:0}
    .map-shell{position:relative;min-width:0}
    #map{position:absolute;inset:0;background:#dbe3e4}
    .map-note{position:absolute;left:16px;bottom:20px;z-index:500;max-width:470px;padding:9px 12px;background:rgba(23,50,74,.92);color:white;font-size:12px;line-height:1.5;border-left:4px solid var(--ice);box-shadow:0 5px 18px rgba(0,0,0,.14)}
    .sidebar{min-height:0;overflow:auto;background:var(--panel);border-left:1px solid var(--line);padding:18px 18px 28px}
    .section{padding-bottom:17px;margin-bottom:17px;border-bottom:1px solid var(--line)}
    .section:last-child{border-bottom:0;margin-bottom:0}
    .section h2{font-family:"Noto Serif SC",serif;font-size:17px;margin:0 0 11px}
    .route-tabs{display:grid;gap:7px}
    .route-tab{display:grid;grid-template-columns:7px 1fr auto;align-items:center;gap:10px;text-align:left;border:1px solid #bcc7c7;background:transparent;color:var(--ink);padding:9px 10px;border-radius:4px}
    .route-tab::before{content:"";display:block;width:7px;height:100%;min-height:28px;background:var(--route);border-radius:2px}
    .route-tab strong{font-size:13px}
    .route-tab small{font-size:11px;color:var(--muted)}
    .route-tab[aria-pressed="true"]{background:var(--ink);color:white;border-color:var(--ink)}
    .route-tab[aria-pressed="true"] small{color:#c8d5da}
    .stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
    .stat{background:var(--panel);padding:10px 11px}
    .stat b{display:block;font-size:19px;line-height:1.1}
    .stat span{display:block;font-size:11px;color:var(--muted);margin-top:4px}
    .distance-total{display:grid;grid-template-columns:1fr 1fr;margin-top:8px;font-size:11px;color:var(--muted);gap:8px}
    .distance-total b{display:block;color:var(--ink);font-size:13px;margin-top:2px}
    .elevation-dock{min-width:0;min-height:0;background:#f8faf7;border-top:4px solid var(--ice);padding:10px 16px 9px;display:grid;grid-template-rows:auto minmax(0,1fr);position:relative;z-index:700}
    .elevation-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:5px}
    .elevation-title{display:flex;align-items:baseline;gap:12px;min-width:0}
    .elevation-title h2{font-family:"Noto Serif SC",serif;font-size:17px;margin:0;white-space:nowrap}
    .profile-summary{color:#52616b;font-size:11px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .profile-legend{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:5px 11px;color:#52616b;font-size:10px}
    .profile-legend span{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
    .profile-legend i{display:block;width:18px;height:3px;background:var(--c);border-radius:1px}
    .profile-wrap{position:relative;min-width:0;min-height:0;overflow:hidden;background:#fff;border:1px solid var(--line)}
    #elevationChart{display:block;width:100%;height:100%;min-width:0;min-height:185px}
    #elevationChart text{font-family:"Noto Sans SC",sans-serif;fill:#60717b;font-size:11px}
    #elevationChart .axis{stroke:#aebabb;stroke-width:1}
    #elevationChart .grid{stroke:#e4e9e8;stroke-width:1}
    #elevationChart .profile-line{fill:none;stroke-width:2.7;stroke-linejoin:round;stroke-linecap:round}
    #elevationChart .waypoint{fill:#fff;stroke:#17324a;stroke-width:1.5}
    #elevationChart .peak{fill:#b94d35;stroke:#fff;stroke-width:1.5}
    #elevationChart .day-separator{stroke:#809095;stroke-width:1;stroke-dasharray:5 5}
    #elevationChart .guide{stroke:#a26b25;stroke-width:1;stroke-dasharray:3 3;pointer-events:none}
    #elevationChart .hover-dot{fill:#f2bd4f;stroke:#17324a;stroke-width:1.5;pointer-events:none}
    #elevationChart .selected-guide{stroke:#b27100;stroke-width:2;stroke-dasharray:6 4;pointer-events:none}
    #elevationChart .selected-dot{fill:#f2bd4f;stroke:#17324a;stroke-width:2.5;pointer-events:none}
    #elevationChart .hit{fill:transparent;cursor:crosshair}
    #elevationChart .hit:focus{outline:none;stroke:var(--focus);stroke-width:2}
    .day-list{display:grid;gap:9px}
    .day-card{border-left:4px solid var(--c);padding:3px 0 5px 10px}
    .day-head{display:grid;grid-template-columns:18px 34px 1fr;align-items:start;gap:7px}
    .day-head input{width:16px;height:16px;margin:2px 0 0;accent-color:var(--ink)}
    .day-code{font-weight:700;font-size:12px;line-height:20px}
    .day-title{font-weight:600;font-size:13px;line-height:1.45}
    .day-meta{grid-column:3;color:var(--muted);font-size:10.5px;line-height:1.45;margin-top:-1px}
    .places{display:flex;flex-wrap:wrap;align-items:center;gap:3px;margin:7px 0 0 59px}
    .place{display:inline-flex;align-items:center;flex-wrap:wrap;gap:4px;border:0;border-bottom:1px solid #bac8cc;background:transparent;color:#365066;padding:3px 2px;font-size:11px;text-align:left;border-radius:2px}
    .place:hover{background:#e8efee;color:var(--ink)}
    .place.selected{background:var(--focus);color:#142b3c;text-decoration:none;font-weight:700}
    .place-name{white-space:nowrap}
    .stop-tags,.tag-legend{display:flex;align-items:center;flex-wrap:wrap;gap:4px}
    .tag-legend{margin:-2px 0 10px 59px;color:var(--muted);font-size:10px}
    .stop-tag{display:inline-block;border:1px solid currentColor;border-radius:2px;padding:1px 4px;font-size:9px;font-weight:700;line-height:1.35;white-space:nowrap}
    .stop-tag.via{color:#5d6d76;background:#f2f5f4}
    .stop-tag.sight{color:#176c59;background:#e8f4ee}
    .stop-tag.stay{color:#985321;background:#fff0df}
    .stop-duration{color:#78868c;font-size:9px;white-space:nowrap}
    .arrow{font-size:10px;color:#9aa5a7}
    .uncertain-list{margin:0;padding-left:19px;color:#52616b;font-size:12px;line-height:1.65}
    .uncertain-list li::marker{color:var(--uncertain)}
    .tools{display:grid;grid-template-columns:1fr 1fr;gap:8px}
    .tool{border:1px solid #bac2c4;background:#fff;color:var(--ink);border-radius:4px;padding:9px 10px;font-size:12px;font-weight:600}
    .tool:hover{border-color:var(--ink)}
    .tool.primary{background:var(--ink);color:white;border-color:var(--ink)}
    .tool.danger{color:#9d332d;border-color:#cda9a5;background:#fff}
    .hint{font-size:11px;color:var(--muted);line-height:1.55;margin:9px 0 0}
    .node-label{background:rgba(255,255,255,.94);border:1px solid rgba(23,50,74,.38);border-radius:6px;box-shadow:0 2px 8px rgba(23,50,74,.22);color:#102f45;font-size:15px;font-weight:800;line-height:1.15;padding:5px 8px 4px;text-shadow:none;width:auto!important}
    .node-label span{display:block;white-space:nowrap}
    .node-label small{display:block;margin-top:3px;padding-top:3px;border-top:1px solid rgba(23,50,74,.16);color:#9b4d1d;font-size:12px;font-weight:800;line-height:1;letter-spacing:.01em;text-align:center;white-space:nowrap}
    .node-label .map-tags{display:block;margin-top:4px;color:#176c59;font-size:10px;font-style:normal;font-weight:800;line-height:1.2;text-align:center;white-space:nowrap}
    .node-label .map-duration{display:block;margin-top:2px;color:#667681;font-size:9px;font-style:normal;font-weight:700;line-height:1.2;text-align:center;white-space:nowrap}
    .peak-label{background:rgba(185,77,53,.94);border:1px solid #fff;border-radius:4px;box-shadow:0 2px 7px rgba(23,50,74,.24);color:#fff;font-size:11px;font-weight:800;padding:3px 5px;white-space:nowrap}
    .popup h3{font-family:"Noto Serif SC",serif;margin:0 0 6px;font-size:16px}
    .popup p{margin:3px 0;color:#53636c;font-size:12px}
    .popup .measure{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0}
    .popup .measure span{border-left:3px solid #9bc5cf;padding-left:6px;font-size:11px;color:#65747b}
    .popup .measure b{display:block;color:#1f394b;font-size:13px}
    .status{display:inline-block;margin-top:5px;padding:2px 5px;border:1px dashed #a68a5b;color:#765d38;font-size:10px}
    .drawer{position:fixed;z-index:2000;right:0;top:0;height:100%;width:min(680px,100%);background:#fdfcf9;box-shadow:-12px 0 40px rgba(17,37,52,.25);transform:translateX(105%);transition:transform .22s ease;display:grid;grid-template-rows:auto 1fr auto}
    .drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
    .drawer h2{margin:0;font-family:"Noto Serif SC",serif;font-size:19px}
    .close{border:0;background:transparent;font-size:24px;color:var(--ink);padding:2px 8px}
    .drawer-body{padding:16px 20px;min-height:0;display:grid;grid-template-rows:auto 1fr auto;gap:10px}
    .drawer-body p{margin:0;font-size:12px;color:var(--muted);line-height:1.55}
    #jsonEditor{width:100%;height:100%;min-height:320px;resize:none;border:1px solid #aeb8ba;background:#f7f8f6;color:#1e3442;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;line-height:1.5;tab-size:2}
    .drawer-foot{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:1px solid var(--line)}
    .error{color:#a33b2e!important;font-weight:600;min-height:18px}
    .manager{width:min(680px,calc(100% - 24px));max-height:calc(100% - 32px);padding:0;border:0;border-radius:7px;background:#fdfcf9;color:var(--ink);box-shadow:0 24px 70px rgba(17,37,52,.35)}
    .manager::backdrop{background:rgba(15,31,43,.58);backdrop-filter:blur(2px)}
    .manager-shell{display:grid;grid-template-rows:auto 1fr auto;max-height:calc(100vh - 32px)}
    .manager-intro{margin:4px 0 0;color:var(--muted);font-size:12px}
    .manager-body{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:20px;overflow:auto}
    .manager-body label{display:grid;gap:6px;color:#51636e;font-size:12px;font-weight:700}
    .manager-body input,.manager-body textarea{width:100%;border:1px solid #adb8ba;border-radius:4px;background:#fff;color:var(--ink);padding:9px 10px;font-weight:400}
    .manager-body input[type="color"]{height:40px;padding:4px}
    .manager-wide{grid-column:1/-1}
    .manager-note{margin:0;color:var(--muted);font-size:11px;line-height:1.55}
    .manager-note.error{color:#a33b2e}
    .manager-foot{display:grid;grid-template-columns:auto 1fr auto auto auto;gap:8px;padding:14px 20px;border-top:1px solid var(--line)}
    @media(max-width:850px){body{overflow:auto}.app{height:auto;min-height:100%;grid-template-rows:auto auto}.masthead{height:auto;min-height:74px;padding:14px 16px;align-items:flex-start}.title-wrap{display:block}.subtitle{margin-top:5px}.header-actions .action:first-child{display:none}.workspace{grid-template-columns:1fr}.map-column{grid-template-rows:64vh 280px}.sidebar{border-left:0;border-top:4px solid var(--ice)}.map-note{left:10px;right:10px;bottom:12px;max-width:none}.places,.tag-legend{margin-left:0}.day-head{grid-template-columns:18px 34px 1fr}.elevation-dock{padding:10px 12px}.elevation-head{align-items:flex-start}.elevation-title{display:block}.profile-summary{margin-top:2px;max-width:58vw}.profile-legend{max-width:42vw}}
    @media(max-width:430px){h1{font-size:20px}.action{padding:7px 8px}.header-actions .action:first-child{display:none}.map-column{grid-template-rows:60vh 300px}.map-note{font-size:11px}.sidebar{padding:16px 14px 24px}.node-label{font-size:14px;padding:4px 6px 3px}.node-label small{font-size:11px;margin-top:2px;padding-top:2px}.elevation-head{display:block}.profile-summary{max-width:none;margin:2px 0 4px}.profile-legend{max-width:none;justify-content:flex-start;gap:3px 8px}.manager-body{grid-template-columns:1fr}.manager-wide{grid-column:1}.manager-foot{grid-template-columns:1fr 1fr}.manager-foot span{display:none}}
    @media(prefers-reduced-motion:reduce){.drawer{transition:none}}
  
    .map-loading{position:absolute;inset:0;z-index:800;display:grid;place-items:center;background:#dbe3e4;color:#17324a;font-weight:700}
    .map-loading.hidden{display:none}
    .amap-node{position:relative;transform:translateY(-8px);cursor:pointer;text-align:center;filter:drop-shadow(0 2px 5px rgba(23,50,74,.24))}
    .amap-node-dot{display:block;width:13px;height:13px;margin:0 auto 4px;border:3px solid #17324a;border-radius:50%;background:#fff}
    .amap-node.selected .amap-node-dot{width:20px;height:20px;border-width:4px;background:#f2bd4f}
    .amap-node.uncertain .amap-node-dot{border-color:#8b6f47;border-style:dashed}
    .amap-node-label{display:inline-block;min-width:max-content;padding:5px 8px 4px;border:1px solid rgba(23,50,74,.38);border-radius:6px;background:rgba(255,255,255,.95);color:#102f45;font-size:15px;font-weight:800;line-height:1.15}
    .amap-node-label small{display:block;margin-top:3px;padding-top:3px;border-top:1px solid rgba(23,50,74,.16);color:#9b4d1d;font-size:12px}
    .amap-node-label i,.amap-node-label em{display:block;margin-top:3px;font-size:10px;font-style:normal;white-space:nowrap}
    .amap-node-label i{color:#176c59}.amap-node-label em{color:#667681;font-size:9px}
    .amap-peak{padding:3px 6px;border:1px solid #fff;border-radius:4px;background:#b94d35;color:#fff;font-size:11px;font-weight:800;white-space:nowrap;box-shadow:0 2px 7px rgba(23,50,74,.24)}
    .amap-info-content{padding:0!important}
    .amap-info-content .popup{padding:12px 14px;min-width:210px}
    .save-status{color:#176c59;font-weight:700}