:root{
    --paper:#eef1f4; --card:#ffffff; --ink:#182031; --muted:#6b7688;
    --line:#d6dce4; --spine:#0f7a4d; --spine-soft:#dcefe6;
    --warn:#c9772a; --over:#c2334d; --chip:#eef4f1;
    --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
    --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Noto Sans JP",sans-serif;
  }
  *{box-sizing:border-box}
  body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.5}
  .num{font-family:var(--mono);font-variant-numeric:tabular-nums}
  header.app{position:sticky;top:0;z-index:30;background:var(--ink);color:#fff;padding:11px 18px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
  header.app h1{font-size:16px;margin:0;font-weight:650;letter-spacing:.02em}
  header.app h1 span{color:var(--spine-soft);font-weight:400;font-size:12px;margin-left:8px}
  .tools{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
  button{font-family:inherit;font-size:13px;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:6px 11px;border-radius:7px;cursor:pointer}
  button:hover{border-color:var(--muted)}
  button:focus-visible{outline:2px solid var(--spine);outline-offset:1px}
  .tools button{background:#2a3550;color:#eef1f4;border:1px solid #3a4763}
  .tools button:hover{background:#38466a}
  .kml-tools{display:flex;align-items:center;gap:6px;padding:3px 4px 3px 8px;border:1px solid #46536e;border-radius:9px;background:#222c43}
  .kml-tools .kml-label{font-size:11px;color:#b9c7df;white-space:nowrap}
  .tools select{font-family:inherit;font-size:12px;max-width:150px;padding:6px 8px;border:1px solid #52617e;border-radius:6px;background:#fff;color:var(--ink)}
  button.primary,.tools .primary{background:var(--spine);border-color:var(--spine);color:#fff}
  .wrap{max-width:1680px;margin:0 auto;padding:16px}
  .settings{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:16px}
  .settings summary{cursor:pointer;font-weight:600;user-select:none}
  .settings .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-top:14px}
  label.field{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}
  label.field input, label.field select{font-family:inherit;font-size:14px;padding:6px 8px;border:1px solid var(--line);border-radius:6px;color:var(--ink);background:#fff}
  .hint{color:var(--muted);font-size:12px}

  .planner-layout{display:grid;grid-template-columns:minmax(400px,1fr) minmax(520px,1fr);gap:16px;align-items:start}
  @media(min-width:841px){
    .planner-layout .mappanel{position:sticky;top:calc(var(--app-header-height,60px) + 8px);margin-bottom:0}
    .days{min-width:0}
    .wrap #map{height:clamp(360px,calc(100vh - var(--app-header-height,60px) - 220px),620px)}
  }
  @media(max-width:840px){
    header.app{align-items:flex-start;padding:10px 12px}
    header.app h1{width:100%;font-size:17px}
    header.app h1 span{display:block;margin:2px 0 0;font-size:11px}
    .tools{margin-left:0;width:100%;gap:6px}
    .tools button{flex:1 1 auto}
    .kml-tools{width:100%;flex-wrap:wrap}
    .kml-tools select{flex:1;max-width:none}
    .planner-layout{grid-template-columns:1fr}
  }
  @media(min-width:841px) and (max-width:980px){
    .planner-layout{grid-template-columns:1fr}
    .planner-layout .mappanel{position:static}
    .wrap #map{height:clamp(360px,52vh,520px)}
  }

  /* days */
  .days{display:flex;flex-direction:column;gap:18px}
  .day{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .day-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 14px;border-bottom:1px solid var(--line);background:#fafbfc}
  .day-head .daylabel{font-weight:700;font-size:15px}
  .day-head input[type=time]{font-family:var(--mono);font-size:15px;padding:5px 8px;border:1px solid var(--line);border-radius:6px}
  .day-head input[type=date]{font-size:13px;padding:5px 8px;border:1px solid var(--line);border-radius:6px}
  .day-head .spacer{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
  .day-action{font-size:11px;padding:4px 8px;white-space:nowrap}
  .day-action.danger{color:var(--over);border-color:#dfb9bf}
  .totals{font-size:12px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap;align-items:baseline}
  .totals b{color:var(--ink);font-family:var(--mono);font-variant-numeric:tabular-nums}
  .totals .over{color:var(--over)}

  .seq{padding:6px 0 4px}
  .seq.drag-over{background:var(--spine-soft)}
  .node-row{display:grid;grid-template-columns:62px 28px 1fr;align-items:stretch;position:relative}
  .node-row.stop-node{margin:3px 8px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 1px 3px rgba(24,32,49,.06);overflow:hidden}
  .node-row.stop-node:hover{border-color:#9da9ba;box-shadow:0 3px 10px rgba(24,32,49,.10)}
  .node-row.stop-node .spine::before{display:none}
  .node-row.stop-node .body{padding:10px 12px 10px 4px}
  .node-row.start-node,.node-row.end-node{background:#f8fafb}
  .stop-number{display:inline-flex;align-items:center;justify-content:center;width:23px;height:23px;border-radius:50%;background:var(--spine);color:#fff;font-size:11px;font-weight:700;flex:0 0 auto}
  .reorder-buttons{display:inline-flex;gap:3px}
  .reorder-buttons .iconbtn{width:30px;height:30px;font-size:15px;font-weight:700}
  .insert-marker{height:10px;margin:0 12px;position:relative;transition:height .12s ease,background .12s ease;border-radius:7px}
  .insert-marker span{display:none;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:2px 9px;border-radius:10px;background:var(--spine);color:#fff;font-size:10px;font-weight:700;white-space:nowrap;z-index:2}
  .insert-marker.active{height:32px;background:var(--spine-soft);border:2px dashed var(--spine)}
  .insert-marker.active span{display:block}
  .node-row .time{padding:11px 8px 11px 12px;text-align:right}
  .node-row .time .arr{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:15px;font-weight:600}
  .node-row .time .dep{font-family:var(--mono);font-size:12px;color:var(--muted)}
  .node-row .spine{position:relative}
  .node-row .spine::before{content:"";position:absolute;left:13px;top:0;bottom:0;width:2px;background:var(--spine-soft)}
  .node-row:first-child .spine::before{top:20px}
  .node{position:absolute;left:7px;top:15px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--spine)}
  .node.start{background:var(--spine)}
  .node-row .body{padding:7px 12px 7px 2px;min-width:0}
  .srow{display:flex;gap:7px;align-items:center;flex-wrap:wrap}
  .srow .handle{cursor:grab;color:var(--muted);font-size:15px;user-select:none}
  .srow input.name{flex:1 1 180px;min-width:110px;font-size:14px;padding:6px 8px;border:1px solid var(--line);border-radius:6px}
  .srow input.name[readonly]{background:#f2f4f7;color:#4d596b}
  .srow input.stay{width:60px;font-family:var(--mono);text-align:right;padding:6px;border:1px solid var(--line);border-radius:6px}
  .srow .unit{font-size:12px;color:var(--muted)}
  .kind{font-size:11px;font-weight:700;letter-spacing:.04em;padding:2px 7px;border-radius:20px;background:var(--chip);color:var(--spine);white-space:nowrap}
  .kind.start{background:var(--spine);color:#fff}
  .iconbtn{border:1px solid var(--line);background:#fff;border-radius:6px;width:28px;height:28px;padding:0;font-size:13px;line-height:1;cursor:pointer;color:var(--muted)}
  .iconbtn:hover{color:var(--ink);border-color:var(--muted)}
  .coord{font-size:11px;color:var(--muted);font-family:var(--mono);display:flex;gap:6px;align-items:center;margin-top:4px;flex-wrap:wrap}
  .coord input{width:150px;font-family:var(--mono);font-size:11px;padding:3px 5px;border:1px dashed var(--line);border-radius:5px}
  .coord .warnbadge{color:var(--warn);font-family:var(--sans)}

  .leg{display:grid;grid-template-columns:62px 28px 1fr;align-items:center;color:var(--muted);font-size:12px}
  .leg .info{min-height:30px;border-left:2px solid var(--spine-soft)}
  .leg .spine{position:relative}
  .leg .spine::before{content:"";position:absolute;left:13px;top:0;bottom:0;width:2px;background:var(--spine-soft)}
  .move-arrow{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;width:28px;height:28px;color:var(--spine);font-size:15px;background:var(--paper)}
  .leg .info{padding:2px 12px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
  .leg .info .drive{font-family:var(--mono);color:var(--ink)}
  .leg .info select.mode{font-family:var(--sans);font-size:11px;padding:3px 6px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink)}
  .leg .info .rest{color:var(--warn);display:flex;gap:5px;align-items:center}
  .leg .info .rest input{width:48px;font-family:var(--mono);text-align:right;padding:2px 4px;border:1px solid var(--line);border-radius:5px}
  .leg .info .est{color:var(--warn)}
  .leg .info button.restadd{padding:2px 8px;font-size:11px}
  .day-empty{color:var(--muted);font-size:12px;text-align:center;padding:22px;margin:6px 12px;border:1px dashed var(--line);border-radius:8px}
  .day-foot{padding:8px 14px;border-top:1px dashed var(--line);display:flex;gap:10px;flex-wrap:wrap}
  .trip-end-settings{flex:1 1 100%;display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 10px;background:#f7f8fa;border:1px solid var(--line);border-radius:8px}
  .trip-end-settings label{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
  .trip-end-settings select,.trip-end-settings input{font-family:inherit;font-size:12px;padding:5px 7px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink)}
  .trip-end-settings .endname{min-width:190px;flex:1}
  .trip-end-settings .endcoord{width:165px;font-family:var(--mono)}
  .dragging{opacity:.35;outline:2px dashed var(--spine);outline-offset:2px}
  /* map */
  .mappanel{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:16px;overflow:hidden}
  .mappanel .mhead{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);background:#fafbfc;flex-wrap:wrap}
  .mappanel .mhead h2{font-size:13px;margin:0;font-weight:700}
  .mappanel .mhead .legend{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap;font-size:11px;color:var(--muted);align-items:center}
  .mappanel .mhead .legend .sw{display:inline-block;width:11px;height:11px;border-radius:50%;margin-right:3px;vertical-align:-1px}
  .mode-badge{font-size:10px;font-weight:700;padding:2px 8px;border-radius:10px;background:var(--chip);color:var(--spine);white-space:nowrap}
  .mode-badge.google{background:#e3ecfd;color:#1a56db}
  .prov{font-size:10px;font-weight:600;padding:1px 6px;border-radius:9px;background:#e3ecfd;color:#1a56db;white-space:nowrap}
  .keyrow{display:flex;gap:6px}
  .keyrow input{flex:1;min-width:0}
  .keyrow button{font-size:12px;padding:4px 8px}
  .map-search{display:flex;align-items:center;gap:5px;flex:1 1 250px;max-width:420px}
  .map-search input{min-width:120px;flex:1;font-family:inherit;font-size:12px;padding:6px 8px;border:1px solid var(--line);border-radius:6px}
  .map-search button{padding:6px 9px}
  .map-search-results{display:none;padding:8px 12px;border-bottom:1px solid var(--line);background:#fff;max-height:220px;overflow:auto}
  .map-search-results.show{display:block}
  .map-search-row{display:flex;align-items:center;gap:8px;padding:7px 4px;border-bottom:1px solid #edf0f3}
  .map-search-row:last-child{border-bottom:none}
  .map-search-row .result-text{min-width:0;flex:1}
  .map-search-row .result-name{font-size:12px;font-weight:650}
  .map-search-row .result-address{font-size:10px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  #map{height:380px;z-index:0}
  .mk{width:22px;height:22px;border-radius:50%;color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;border:2px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,.4)}
  .mk.start{border-radius:6px}
  .mk.end{border-radius:6px;background:var(--over) !important}
  .mk.lodge{border-radius:6px}
  .node.end{border-color:var(--over);background:#fff}
  .node.lodge{border-color:#7a4dab;background:#fff}
  .kind.end{background:#f8e4e8;color:var(--over)}
  .kind.lodge{background:#efe8f8;color:#7a4dab}
  .mk.pool{width:14px;height:14px;background:var(--warn);border-width:2px}
  .leaflet-tooltip.plot-label{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:5px;box-shadow:0 1px 3px rgba(0,0,0,.16);color:var(--ink);font-family:var(--sans);font-size:11px;font-weight:600;padding:2px 6px;white-space:nowrap}
  .leaflet-tooltip-right.plot-label::before{border-right-color:var(--line)}
  @keyframes mkpulse{0%{transform:scale(1)}45%{transform:scale(1.7)}100%{transform:scale(1)}}
  .mk.mkpulse{animation:mkpulse .55s ease}
  .mkpop b{font-size:13px}
  .mkpop button{font-size:12px;margin:4px 3px 0 0;padding:3px 7px;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer}
  .mkpop button:hover{border-color:var(--spine)}
  .mkpop button.danger{color:var(--over);border-color:#dfb9bf}
  .status{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:9px 16px;border-radius:20px;font-size:13px;opacity:0;transition:opacity .25s;pointer-events:none;z-index:50}
  .status.show{opacity:1}

  /* planning workspace */
  .brand{flex:0 0 auto}
  .plan-meta{display:flex;align-items:center;gap:7px;flex:1 1 360px;min-width:280px}
  .plan-meta input{min-width:150px;flex:1;max-width:280px;padding:7px 9px;border:1px solid #52617e;border-radius:7px;background:#fff;color:var(--ink);font:inherit}
  .plan-meta button{background:#2a3550;color:#fff;border-color:#3a4763}
  .saved-at{min-width:72px;color:#b9c7df;font-size:11px;white-space:nowrap}
  .field-launch{background:#c9772a !important;border-color:#c9772a !important;font-weight:700}
  button:disabled{opacity:.45;cursor:not-allowed}
  .more-menu{position:relative}
  .more-menu>summary{list-style:none;cursor:pointer;padding:6px 11px;border:1px solid #3a4763;border-radius:7px;background:#2a3550;color:#eef1f4;font-size:13px}
  .more-menu>summary::-webkit-details-marker{display:none}
  .more-menu-panel{position:absolute;right:0;top:calc(100% + 8px);z-index:60;display:grid;grid-template-columns:repeat(2,minmax(110px,1fr));gap:7px;width:330px;padding:10px;border:1px solid #52617e;border-radius:10px;background:#182031;box-shadow:0 12px 30px rgba(0,0,0,.3)}
  .more-menu-panel .kml-tools{grid-column:1/-1}
  .more-menu-panel button{background:#2a3550;color:#fff;border-color:#3a4763}
  .constraint-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:6px;padding:6px 8px;border-radius:7px;background:#f6f8fa}
  .constraint-row label{display:flex;align-items:center;gap:3px;font-size:10px;color:var(--muted)}
  .constraint-row input[type=time]{width:86px;padding:3px 4px;border:1px solid var(--line);border-radius:5px;font-family:var(--mono)}
  .constraint-row input[type=text]{flex:1 1 150px;min-width:120px;padding:3px 5px;border:1px solid var(--line);border-radius:5px}
  .constraint-row .lock-label{margin-left:auto}
  .schedule-warning{display:inline-flex;gap:4px;align-items:center;color:var(--over);font-size:11px;font-weight:600}
  .wait-badge{color:#7a4dab;font-size:11px}
  .map-day-filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:5px 14px;border-bottom:1px solid var(--line);background:#fff;font-size:11px}
  .map-day-filters button{display:flex;align-items:center;gap:5px;padding:5px 10px;color:var(--muted);font-size:11px;border-radius:18px}
  .map-day-filters button.active{color:#fff;background:var(--ink);border-color:var(--ink);font-weight:700}
  .map-option{display:flex;align-items:center;gap:4px;color:var(--muted);font-size:11px}
  .map-day-filters .sw{display:inline-block;width:10px;height:10px;border-radius:50%}
  .home-action{font-size:11px;padding:5px 8px}
  .auto-date{white-space:nowrap}

  /* dialogs */
  dialog{width:min(680px,calc(100vw - 28px));max-height:80vh;padding:0;border:0;border-radius:14px;box-shadow:0 24px 70px rgba(0,0,0,.35)}
  dialog::backdrop{background:rgba(10,16,28,.58)}
  .dialog-card{margin:0;padding:0;background:#fff}
  .dialog-card>header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
  .dialog-card h2{margin:0;font-size:17px}
  #planList,#importPreview{padding:14px 16px;max-height:56vh;overflow:auto}
  .saved-plan-row{display:grid;grid-template-columns:1fr auto;gap:8px;padding:10px 0;border-bottom:1px solid var(--line)}
  .saved-plan-row:last-child{border-bottom:0}
  .saved-plan-row small{display:block;color:var(--muted)}
  .saved-plan-actions{display:flex;gap:5px;align-items:center}
  .dialog-actions{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;border-top:1px solid var(--line)}

  /* field mode */
  .field-mode{display:none;position:fixed;inset:0;z-index:100;background:#f4f6f8;overflow:auto}
  .field-mode.open{display:block}
  .field-header{position:sticky;top:0;z-index:2;display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px;background:#182031;color:#fff}
  .field-header>div{display:flex;flex-direction:column}
  .field-header strong{font-size:18px}
  .field-header select{grid-column:1/2;padding:8px;border-radius:7px}
  .field-header button{grid-column:2/3;grid-row:1/3;background:#fff}
  #fieldClock{color:#b9c7df;font-family:var(--mono)}
  .field-summary{padding:12px;background:#fff;border-bottom:1px solid var(--line);font-size:13px}
  .field-map-card{margin:12px 12px 0;padding:10px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
  .field-map-card h2{margin:0 0 8px;font-size:15px}
  #fieldMap{height:300px;border-radius:9px;overflow:hidden;background:#e9edf1}
  .field-list{display:flex;flex-direction:column;gap:10px;padding:12px 12px 88px}
  .field-stop{display:grid;grid-template-columns:44px 1fr;gap:10px;padding:13px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
  .field-stop.visited{opacity:.55}
  .field-stop.current{border:2px solid var(--spine);box-shadow:0 4px 18px rgba(15,122,77,.18)}
  .field-stop .field-time{font-family:var(--mono);font-weight:700;color:var(--spine)}
  .field-stop h3{margin:0 0 5px;font-size:17px}
  .field-stop p{margin:3px 0;color:var(--muted);font-size:12px}
  .field-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}
  .field-actions a,.field-actions button{display:inline-block;padding:8px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);text-decoration:none;font:inherit}
  .field-actions .navigate{background:var(--spine);border-color:var(--spine);color:#fff}
  .mobile-nav{display:none}

  @media(max-width:840px){
    body{padding-bottom:62px}
    header.app{position:relative;display:grid;grid-template-columns:1fr auto;gap:8px}
    .brand{grid-column:1/-1}
    .plan-meta{grid-column:1/-1;min-width:0;display:grid;grid-template-columns:1fr auto auto}
    .saved-at{grid-column:1/-1}
    .tools{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr)}
    .tools #btnRecalc,.tools #btnUndo,.tools #btnRedo,.tools #btnOptimize{display:none}
    .tools .more-menu{grid-column:auto}
    .more-menu>summary{height:100%;text-align:center}
    .more-menu-panel{position:fixed;left:10px;right:10px;top:auto;bottom:70px;width:auto}
    .settings{display:none}
    .wrap{padding:8px}
    .mappanel{margin-bottom:8px}
    .mappanel .mhead{padding:8px}
    .mappanel .legend{display:none !important}
    .map-search{order:4;min-width:100%;max-width:none}
    #map{height:48vh;min-height:320px}
    .node-row{grid-template-columns:54px 22px 1fr}
    .node-row.stop-node{margin-left:2px;margin-right:2px}
    .node-row .time{padding-left:4px;padding-right:4px}
    .day-head{padding:9px}
    .day-head .spacer{margin-left:0;width:100%}
    .constraint-row{display:grid;grid-template-columns:repeat(2,1fr)}
    .constraint-row .lock-label,.constraint-row input[type=text]{margin-left:0;width:100%;grid-column:1/-1}
    .mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(3,1fr);left:0;right:0;bottom:0;z-index:80;padding:7px;background:#182031;gap:7px}
    .mobile-nav button{padding:10px 5px;background:#2a3550;color:#fff;border-color:#3a4763}
    body.mobile-map .days,body.mobile-map .settings{display:none}
    body.mobile-plan .mappanel{display:none}
  }

  @media print{
    header.app,.settings,.mappanel,.mobile-nav,.day-foot,.iconbtn,.handle,.constraint-row button{display:none !important}
    body,.wrap{background:#fff;padding:0}
    .planner-layout{display:block}
    .day{break-inside:avoid;border:1px solid #aaa;margin-bottom:12px}
    .days{display:block}
  }