:root{
  --paper:#f4f1ea;--paper-2:#ebe6dc;--ink:#22201c;--ink-2:#55514a;--ink-3:#77726a;--rule:#d9d3c7;
  --accent:#b4521e;--focus:#1f3f99;--r:10px;
  --sans:"Noto Sans TC",system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
::selection{background:#1f3f99;color:#fff}
button{font:inherit;color:inherit}
:focus-visible{outline:2.5px solid var(--focus);outline-offset:2px;border-radius:6px}
.app{display:grid;grid-template-columns:380px 1fr;height:100dvh}
.panel{position:relative;display:flex;flex-direction:column;min-height:0;background:var(--paper);border-right:1px solid var(--rule);z-index:500}
.grip{display:none}
.masthead{padding:22px 22px 14px}
h1{font-size:1.65rem;line-height:1.15;font-weight:900;letter-spacing:-.01em;margin:0 0 4px}
.sub{margin:0;color:var(--ink-2);font-size:.92rem}
.sub b{font-variant-numeric:tabular-nums;color:var(--ink)}
.notice{display:flex;gap:8px;align-items:flex-start;margin:12px 0 0;padding:9px 11px;background:#fbefe2;color:#7a3511;border-radius:8px;font-size:.85rem;line-height:1.45}
.notice svg{flex:0 0 16px;width:16px;height:16px;margin-top:2px}
.search{position:relative;margin:4px 22px 10px}
.search svg{position:absolute;left:12px;top:50%;width:18px;height:18px;transform:translateY(-50%);color:var(--ink-3)}
.search input{width:100%;padding:11px 12px 11px 38px;border:1px solid var(--rule);border-radius:var(--r);background:#fffdf9;font:inherit;font-size:.95rem;color:var(--ink);caret-color:var(--accent)}
.search input::placeholder{color:#8a847a}
.search input:focus{outline:none;border-color:var(--focus);box-shadow:0 0 0 3px rgba(31,63,153,.15)}
.scroll{flex:1;overflow:auto;padding:0 22px 28px;scrollbar-width:thin;scrollbar-color:#c9c1b2 transparent}
.scroll::-webkit-scrollbar{width:8px}.scroll::-webkit-scrollbar-thumb{background:#c9c1b2;border-radius:8px}
.sectionhead{display:flex;justify-content:space-between;align-items:baseline;margin:18px 0 6px}
h2{font-size:.8rem;font-weight:700;color:var(--ink-3);margin:0;letter-spacing:.06em}
.textbtn{background:none;border:0;color:var(--focus);font-size:.85rem;cursor:pointer;padding:2px 4px}
.textbtn:hover{text-decoration:underline;text-underline-offset:3px}
.lines,.others{list-style:none;margin:0;padding:0}
.line{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--rule)}
.line.off .lname,.line.off .lmeta{opacity:.45}
.swatch{width:30px;height:8px;border-radius:4px}
.swatch.dash{background-image:repeating-linear-gradient(90deg,var(--c) 0 7px,transparent 7px 11px)!important}
.lbtn{background:none;border:0;text-align:left;padding:0;cursor:pointer;min-width:0}
.lname{display:block;font-weight:700;font-size:.97rem;line-height:1.3}
.lbtn:hover .lname{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.lmeta{display:block;font-size:.8rem;color:var(--ink-2);font-variant-numeric:tabular-nums}
.stage{display:inline-block;font-size:.72rem;font-weight:700;padding:1px 7px;border-radius:999px;background:var(--paper-2);color:var(--ink-2);margin-right:4px}
.stage.s-營運{background:#e2f0d4;color:#2f5d12}.stage.s-施工{background:#dfe5f6;color:#1f3f99}.stage.s-綜合規劃{background:#fde8d4;color:#8a3d0c}.stage.s-可行性研究{background:#ece6f5;color:#5b3d86}
.toggle{position:relative;width:40px;height:24px;border-radius:999px;border:0;background:#cfc8bb;cursor:pointer;transition:background .2s}
.toggle::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .25s cubic-bezier(.2,.9,.3,1)}
.toggle[aria-pressed=true]{background:var(--c)}
.toggle[aria-pressed=true]::after{transform:translateX(16px)}
.legend{display:grid;gap:6px;margin:14px 0 4px;font-size:.82rem;color:var(--ink-2)}
.legend div{display:flex;align-items:center;gap:8px}
.others li{padding:9px 0;border-bottom:1px solid var(--rule);font-size:.85rem}
.others b{display:block;font-size:.93rem}
.others span{color:var(--ink-2)}
.foot{margin-top:18px;font-size:.78rem;color:var(--ink-3)}
.foot p{margin:0 0 8px;max-width:65ch}
a{color:var(--focus);text-underline-offset:2px}
/* detail */
.back{display:inline-flex;align-items:center;gap:4px;background:none;border:0;padding:6px 0;color:var(--focus);cursor:pointer;font-size:.9rem}
.back svg{width:16px;height:16px}
.dhead{display:flex;gap:12px;align-items:flex-start;margin:6px 0 10px}
.dhead .bar{flex:0 0 6px;align-self:stretch;border-radius:3px;background:var(--c)}
.dhead .bar.dash{background:repeating-linear-gradient(180deg,var(--c) 0 9px,transparent 9px 14px)}
.dhead h3{margin:0;font-size:1.3rem;line-height:1.25;font-weight:900}
.facts{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:8px 0 12px;font-size:.88rem}
.facts dt{color:var(--ink-3)}.facts dd{margin:0;font-variant-numeric:tabular-nums}
.dnote{font-size:.86rem;color:var(--ink-2);margin:0 0 12px}
.srcs{font-size:.8rem;margin:0 0 14px;padding:0;list-style:none}
.srcs li{margin:0 0 4px}
.stlist{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.st{display:grid;grid-template-columns:52px 1fr;gap:8px;padding:9px 2px;border-bottom:1px solid var(--rule);cursor:pointer;background:none;width:100%;text-align:left;border-left:0;border-right:0;border-top:0}
.st:hover{background:#efe9de}
.st[disabled]{cursor:default}.st[disabled]:hover{background:none}
.code{display:inline-flex;justify-content:center;align-items:center;min-width:44px;height:24px;padding:0 6px;border-radius:6px;font-weight:700;font-size:.8rem;font-variant-numeric:tabular-nums;color:#fff;background:var(--c)}
.code.light{color:#3a2a10}
.code.hollow{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 2px var(--c)}
.stn{font-weight:700;font-size:.92rem;line-height:1.3}
.stn .un{color:var(--ink-3);font-weight:500}
.str{display:block;font-size:.8rem;color:var(--ink-2);font-weight:400}
.flag{display:inline-block;font-size:.7rem;font-weight:700;padding:0 6px;border-radius:4px;margin-left:4px;vertical-align:1px}
.flag.est{background:#fff3c9;color:#6b4f00}.flag.none{background:#f3dede;color:#8a1f1f}
.results h2{margin:8px 0 6px}
.empty{color:var(--ink-3);font-size:.9rem;padding:10px 0}
/* map */
.mapwrap{position:relative;min-height:0}
#map{position:absolute;inset:0;background:#e9e5dc}
.leaflet-tile-pane{filter:grayscale(.9) contrast(.92) brightness(1.06)}
.leaflet-container{font-family:var(--sans)}
.fitall{position:absolute;right:12px;top:12px;z-index:450;display:flex;align-items:center;gap:6px;padding:8px 12px;border:0;border-radius:999px;background:#fffdf9;box-shadow:0 2px 10px rgba(30,25,15,.18);cursor:pointer;font-size:.85rem;font-weight:700}
.fitall svg{width:16px;height:16px}
.fitall:hover{background:#fff}
.leaflet-popup-content-wrapper{border-radius:12px;box-shadow:0 8px 28px rgba(30,25,15,.22)}
.leaflet-popup-content{margin:14px 16px;min-width:230px;max-width:290px;font-size:.86rem;line-height:1.5}
.pop h4{margin:6px 0 2px;font-size:1.08rem;line-height:1.3;font-weight:900}
.pop .tent{font-size:.82rem;color:var(--ink-2);margin:0 0 6px}
.pop dl{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;margin:6px 0}
.pop dt{color:var(--ink-3)}.pop dd{margin:0}
.pop .warn{margin:8px 0 4px;padding:6px 8px;background:#fff3c9;color:#5c4400;border-radius:6px;font-size:.8rem}
.pop .src{font-size:.76rem;margin:6px 0 0;color:var(--ink-3)}
.pop .src a{display:block}
.stlabel{background:rgba(255,253,249,.92);border:0;box-shadow:0 1px 3px rgba(0,0,0,.18);border-radius:5px;padding:1px 6px;font-size:12px;font-weight:700;color:var(--ink)}
.stlabel::before{display:none}
.hide-labels .stlabel{display:none}
.leaflet-control-attribution{font-size:10px}
@media (max-width:820px){
  .app{grid-template-columns:1fr;grid-template-rows:1fr}
  .mapwrap{grid-row:1;grid-column:1}
  .panel{grid-row:1;grid-column:1;align-self:end;height:46dvh;border-right:0;border-radius:18px 18px 0 0;box-shadow:0 -6px 24px rgba(30,25,15,.18);transition:height .35s cubic-bezier(.2,.9,.3,1)}
  .panel.min{height:132px}
  .panel.max{height:88dvh}
  .grip{display:flex;justify-content:center;align-items:center;width:100%;height:22px;border:0;background:none;cursor:pointer;padding:0}
  .grip span{width:44px;height:5px;border-radius:3px;background:#c4bcad}
  .masthead{padding:0 16px 8px}
  h1{font-size:1.25rem}
  .sub{display:none}
  .notice{margin-top:6px;font-size:.78rem;padding:6px 9px}
  .search{margin:2px 16px 8px}
  .scroll{padding:0 16px 24px}
  .fitall{top:auto;bottom:calc(46dvh + 12px);right:10px}
  .leaflet-popup-content{min-width:200px;max-width:250px}
  .leaflet-control-zoom{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}