/* 版面：全螢幕方塊地圖；頂部浮動標題列；手機底部抽屜／桌機右側面板 */
:root{
  --sky:#bfe3f2; --sea:#3f86c4; --ink:#1d2a33; --muted:#5c6b75; --paper:#fbfaf6; --paper2:#eef1ec;
  --line:#c9d0cc; --accent:#e85d2a; --grass:#6aa84f;
  --north:#3c9a8f; --east:#6f9e3c; --core:#d9862f; --port:#4a74b8; --city:#8a5bb5;
  --shadow:0 3px 0 rgba(29,42,51,.25), 0 10px 24px rgba(29,42,51,.14);
  --f-body:"Microsoft JhengHei","微軟正黑體","PingFang TC","Noto Sans TC",system-ui,sans-serif;
  --f-pixel:"Press Start 2P","Microsoft JhengHei",monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --sky:#0e1b2a; --ink:#e9eef1; --muted:#9fb0bb; --paper:#18242e; --paper2:#22313c; --line:#33464f;
  --accent:#ff7a45; --shadow:0 3px 0 rgba(0,0,0,.5), 0 10px 24px rgba(0,0,0,.4); color-scheme:dark}}
:root[data-theme="dark"]{
  --sky:#0e1b2a; --ink:#e9eef1; --muted:#9fb0bb; --paper:#18242e; --paper2:#22313c; --line:#33464f;
  --accent:#ff7a45; --shadow:0 3px 0 rgba(0,0,0,.5), 0 10px 24px rgba(0,0,0,.4); color-scheme:dark}

*{box-sizing:border-box}
html,body{height:100%;margin:0}
/* 介面不超出螢幕寬度 */
html.map,html.map body{overflow:hidden;overscroll-behavior:none}
.top{max-width:100%;box-sizing:border-box}
body{background:var(--sky);color:var(--ink);font-family:var(--f-body);overflow:hidden;-webkit-font-smoothing:antialiased}
button{font-family:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

#stage{position:fixed;inset:0;touch-action:none}
#stage canvas{display:block}
#labels{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:2}
.lbl{position:absolute;transform:translate(-50%,-100%);font-weight:700;font-size:12px;line-height:1;color:var(--ink);
  background:var(--paper);padding:4px 7px;border:2px solid var(--ink);white-space:nowrap;box-shadow:2px 2px 0 rgba(0,0,0,.25);
  pointer-events:auto;cursor:pointer;user-select:none}
.lbl b{font-family:var(--f-pixel);font-size:8px;margin-left:5px;color:var(--accent);vertical-align:1px}
.lbl.sel{background:var(--accent);color:#fff;border-color:#fff}
.lbl.sel b{color:#fff}
.pin{position:absolute;transform:translate(-50%,-100%);font-size:11px;font-weight:700;color:#fff;background:rgba(29,42,51,.82);
  padding:3px 6px;border-radius:3px;white-space:nowrap;pointer-events:auto;cursor:pointer}
.pin::after{content:"";position:absolute;left:50%;bottom:-4px;margin-left:-4px;border:4px solid transparent;border-bottom:0;border-top-color:rgba(29,42,51,.82)}
.bubble{position:absolute;transform:translate(-50%,-100%);max-width:220px;font-size:12.5px;line-height:1.45;background:var(--paper);color:var(--ink);
  border:2px solid var(--ink);padding:6px 9px;box-shadow:2px 2px 0 rgba(0,0,0,.25);pointer-events:none}

/* 頂部 */
.top{position:fixed;z-index:5;top:env(safe-area-inset-top,0px);left:0;right:0;pointer-events:none;
  padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px));padding-block:12px 0;
  display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.brand{pointer-events:auto;background:var(--paper);border:3px solid var(--ink);padding:9px 12px;box-shadow:var(--shadow);max-width:min(460px,100%)}
.brand h1{margin:0;font-size:20px;font-weight:800;letter-spacing:.02em;line-height:1.2}
.brand p{margin:4px 0 0;font-size:12.5px;color:var(--muted);line-height:1.5}
.badge{display:inline-block;font-size:11px;font-weight:700;background:var(--accent);color:#fff;padding:2px 6px;margin-right:6px;vertical-align:1px}
.tools{pointer-events:auto;display:flex;flex-wrap:wrap;gap:6px;max-width:100%}
.btn{font-size:13.5px;font-weight:700;color:var(--ink);background:var(--paper);border:2px solid var(--ink);padding:7px 11px;cursor:pointer;
  box-shadow:0 3px 0 var(--ink);transform:translateY(0);transition:transform .08s,box-shadow .08s}
.btn:active{transform:translateY(3px);box-shadow:0 0 0 var(--ink)}
.btn.on{background:var(--ink);color:var(--paper)}
.search{pointer-events:auto;position:relative}
.search input{font:inherit;font-size:14px;width:min(260px,70vw);padding:8px 10px;border:2px solid var(--ink);background:var(--paper);color:var(--ink)}
.sugg{position:absolute;top:100%;left:0;right:0;background:var(--paper);border:2px solid var(--ink);border-top:0;max-height:240px;overflow:auto}
.sugg button{display:block;width:100%;text-align:left;font-size:14px;background:none;border:0;border-bottom:1px solid var(--line);padding:8px 10px;color:var(--ink);cursor:pointer}
.sugg button:hover{background:var(--paper2)}
.legend{pointer-events:auto;display:flex;flex-wrap:wrap;gap:4px 10px;font-size:12px;color:var(--ink);background:var(--paper);border:2px solid var(--ink);padding:5px 9px}
.legend i{display:inline-block;width:11px;height:11px;margin-right:4px;vertical-align:-1px;border:1px solid rgba(0,0,0,.35)}

.hint{position:fixed;z-index:4;left:50%;transform:translateX(-50%);bottom:calc(92px + env(safe-area-inset-bottom,0px));
  font-size:13px;font-weight:700;background:var(--ink);color:var(--paper);padding:8px 14px;pointer-events:none;transition:opacity .5s;white-space:nowrap}
.credit{position:fixed;z-index:3;left:max(12px,env(safe-area-inset-left,0px));bottom:calc(8px + env(safe-area-inset-bottom,0px));
  font-size:11px;color:var(--muted);background:color-mix(in srgb,var(--paper) 80%,transparent);padding:3px 7px}
.credit a{color:inherit}
.credit .v{font-family:var(--f-pixel);font-size:8px;margin-left:6px}

/* 放大縮小 */
.zoom{position:fixed;z-index:4;right:max(12px,env(safe-area-inset-right,0px));top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px}
.zoom .btn{width:44px;height:44px;padding:0;font-size:20px;line-height:1;font-weight:800}
.zoom .pad{display:grid;grid-template-columns:44px 44px;gap:4px;margin-left:-48px}
.zoom .pad .btn{width:44px;height:36px;font-size:14px}
.zoom .pad #tu,.zoom .pad #td{grid-column:1/-1;width:92px}
.needle{display:inline-block;font-family:var(--f-pixel);font-size:11px;color:var(--accent);transition:transform .1s linear}
@media (min-width:900px){.zoom .pad{margin-left:0}.zoom{flex-direction:row;align-items:flex-end;right:auto;left:max(16px,env(safe-area-inset-left,0px));top:auto;bottom:48px;transform:none}}

/* 觸控裝置：介面精簡 */
@media (pointer: coarse){ #zin,#zout{display:none} }
@media (max-width:899px){
  .top{gap:6px;padding-block:8px 0}
  .brand{padding:6px 10px;border-width:2px;box-shadow:0 2px 0 rgba(29,42,51,.25)}
  .brand h1{font-size:16px}
  .brand p{display:none}
  .badge{font-size:10px;margin:0 0 0 4px;vertical-align:2px}
  .top{align-items:stretch}
  .brand{align-self:flex-start;max-width:100%}
  .tools{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;width:100%}
  .tools .btn{min-width:0;font-size:12.5px;padding:6px 2px;border-width:2px;box-shadow:0 2px 0 var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .search{width:100%}
  .search input{font-size:16px;padding:6px 9px;border-width:2px;width:100%}
  .legend{display:none}
  .zoom{top:auto;bottom:calc(40px + env(safe-area-inset-bottom,0px));transform:none;gap:6px}
  .zoom .btn{width:38px;height:38px;font-size:16px;border-width:2px;box-shadow:0 2px 0 var(--ink)}
  .credit{font-size:10px;padding:2px 6px}
}

/* 面板：手機抽屜 */
#sheet{position:fixed;z-index:6;left:0;right:0;bottom:0;height:min(calc(var(--vh,100dvh) * .82),720px);background:var(--paper);border-top:3px solid var(--ink);
  box-shadow:0 -6px 24px rgba(0,0,0,.18);display:flex;flex-direction:column;transform:translateY(calc(100% - var(--peek,0px)));
  transition:transform .3s cubic-bezier(.2,.8,.2,1);padding-bottom:env(safe-area-inset-bottom,0px)}
#sheet.dragging{transition:none}
.grab{flex:none;height:22px;display:grid;place-items:center;cursor:grab;touch-action:none}
.grab span{width:44px;height:5px;background:var(--line)}
.sh-head{flex:none;display:flex;gap:10px;align-items:flex-start;padding:0 16px 10px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));border-bottom:2px solid var(--line)}
.sh-head .t{flex:1;min-width:0}
.sh-head h2{margin:0;font-size:22px;font-weight:800;line-height:1.25}
.sh-head .sub{margin-top:4px;font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.rchip{display:inline-block;font-size:11.5px;font-weight:700;color:#fff;padding:2px 7px}
.x{flex:none;font-size:22px;line-height:1;background:none;border:0;color:var(--muted);cursor:pointer;padding:4px 6px}
.filters{flex:none;display:flex;gap:6px;overflow-x:auto;padding:10px 16px;padding-left:max(16px,env(safe-area-inset-left,0px));scrollbar-width:none}
.filters button{flex:none;font-size:12.5px;font-weight:700;border:2px solid var(--line);background:var(--paper2);color:var(--ink);padding:4px 10px;cursor:pointer}
.filters button.on{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.sh-body{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:4px 16px 24px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.sec{font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--muted);margin:16px 0 8px;display:flex;align-items:center;gap:8px}
.sec::after{content:"";flex:1;height:2px;background:var(--line)}
.cards{display:flex;flex-direction:column;gap:10px}
.card{border:2px solid var(--ink);background:var(--paper);padding:10px 12px;box-shadow:3px 3px 0 var(--line)}
.card .meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:11.5px;color:var(--muted)}
.cat{font-weight:800;color:var(--ink);background:var(--paper2);border:1px solid var(--line);padding:1px 6px}
.kind-official{color:#fff;background:var(--accent);padding:1px 6px;font-weight:700}
.card h3{margin:6px 0 2px;font-size:16px;font-weight:800;line-height:1.4}
.card p{margin:4px 0 0;font-size:14.5px;line-height:1.7}
.card .src{margin-top:8px;font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.card .src a{color:var(--muted)}
.card .go{display:inline-block;font-size:13px;font-weight:800;color:var(--paper);background:var(--ink);padding:5px 10px;text-decoration:none}
.empty{font-size:14px;color:var(--muted);line-height:1.6;background:var(--paper2);padding:10px 12px;border:2px dashed var(--line)}
.note{font-size:12px;color:var(--muted);line-height:1.65;margin-top:20px;border-top:2px dashed var(--line);padding-top:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:6px}
.grid button{font-size:14px;font-weight:700;color:var(--ink);background:var(--paper2);border:2px solid var(--line);padding:8px 4px;cursor:pointer}
.grid button:hover{border-color:var(--ink)}
.grid button small{display:block;font-size:11px;color:var(--muted);font-weight:500;margin-top:2px}
.lm-list{display:flex;flex-wrap:wrap;gap:6px}
.lm-list button{font-size:12.5px;font-weight:700;background:var(--paper2);border:2px solid var(--line);color:var(--ink);padding:4px 9px;cursor:pointer}

@media (min-width:900px){
  #sheet{left:auto;right:max(16px,env(safe-area-inset-right,0px));top:calc(16px + env(safe-area-inset-top,0px));bottom:16px;height:auto;width:420px;
    border:3px solid var(--ink);box-shadow:var(--shadow);transform:translateX(0)}
  #sheet.closed{transform:translateX(calc(100% + 40px))}
  .grab{display:none}
  .sh-head{padding-top:14px}
  .hint{bottom:28px}
  .top{right:460px}
}
@media (prefers-reduced-motion: reduce){#sheet,.btn{transition:none}}