:root{
  --magenta:#D11176; --lemon:#F7EB3B; --green:#1E6B3C;
  --ink:#1F1412; --paper:#FFFFFF; --muted:#5B5357; --line:#3A2E2B;
  --night:#14100F; --font:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--night);color:var(--paper);font-family:var(--font)}
.bar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line)}
.bar h1{margin:0;font-size:17px;font-weight:900;letter-spacing:.02em}
.bar h1 small{display:block;font-size:12px;font-weight:500;color:#CBBFBA}
.back{color:var(--lemon);text-decoration:none;font-size:14px;white-space:nowrap;display:inline-flex;align-items:center;min-height:40px}
main{max-width:1100px;margin:0 auto}
.stage{position:relative}
#viewer,#vviewer{width:100%;height:56vh;min-height:320px;max-height:720px;background:#000}
#vviewer{position:absolute;left:0;top:0;z-index:10}
#vviewer[hidden]{display:none}
.vstat{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;background:rgba(20,16,15,.82);color:var(--paper);font-size:13px;padding:5px 14px;border-radius:999px;z-index:20}
.toggle{position:absolute;left:50%;top:12px;transform:translateX(-50%);display:flex;background:rgba(20,16,15,.82);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:4px;z-index:20}
.toggle button{appearance:none;border:0;background:transparent;color:var(--paper);font:700 15px var(--font);padding:10px 16px;border-radius:999px;cursor:pointer;white-space:nowrap}
.toggle button span{font-weight:400;font-size:12px;opacity:.8;margin-left:2px}
.toggle button[aria-checked="true"][data-t="day"]{background:var(--lemon);color:var(--ink)}
.toggle button[aria-checked="true"][data-t="night"]{background:var(--magenta);color:var(--paper)}
.toast{position:absolute;left:50%;bottom:52px;transform:translateX(-50%);margin:0;width:max-content;max-width:calc(100% - 32px);background:rgba(20,16,15,.9);color:var(--paper);font-size:13px;line-height:1.5;padding:6px 14px;border-radius:14px;z-index:30;text-align:center}
.gyro{position:absolute;left:12px;top:64px;z-index:20;appearance:none;border:1px solid rgba(255,255,255,.3);background:rgba(20,16,15,.8);color:var(--paper);font:700 13px var(--font);min-height:40px;padding:0 14px;border-radius:999px;cursor:pointer}
.gyro[aria-pressed="true"]{background:var(--lemon);color:var(--ink);border-color:var(--lemon)}
.hint{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;z-index:15;pointer-events:none}
.hint span{display:block;white-space:nowrap;background:rgba(20,16,15,.78);color:var(--paper);font-size:15px;font-weight:700;padding:10px 18px;border-radius:999px;animation:sway 1.6s ease-in-out infinite}
.hint span::before{content:"⟷ "}
@keyframes sway{0%,100%{transform:translateX(-10px)}50%{transform:translateX(10px)}}
@media (prefers-reduced-motion:reduce){.hint span{animation:none}}
.compass{position:absolute;right:12px;top:64px;z-index:20;display:flex;flex-direction:column;align-items:center;gap:2px;pointer-events:none}
.compass svg{width:68px;height:68px;filter:drop-shadow(0 1px 3px rgba(0,0,0,.6))}
.compass .ring{fill:rgba(20,16,15,.75);stroke:rgba(255,255,255,.35);stroke-width:2}
.compass #rose{transition:transform .12s linear}
.compass .nN{fill:var(--magenta)}
.compass .nS{fill:#CBBFBA}
.compass text{fill:var(--paper);font:700 11px var(--font);text-anchor:middle}
.compass .lN{fill:var(--lemon)}
.compass .you{fill:var(--lemon)}
.compass span{font-size:12px;font-weight:700;color:var(--paper);background:rgba(20,16,15,.75);padding:1px 8px;border-radius:999px}
.walk{padding:12px 16px 4px}
.ctrl{min-width:0}
.steps{display:flex;gap:8px;justify-content:center;margin-bottom:12px}
.steps button{appearance:none;border:1px solid rgba(255,255,255,.25);background:#2A211F;color:var(--paper);font:700 16px var(--font);min-width:52px;height:44px;border-radius:12px;cursor:pointer}
.steps button:disabled{opacity:.3}
.steps .play{min-width:120px;background:var(--lemon);color:var(--ink);border-color:var(--lemon)}
.steps .play[aria-pressed="true"]{background:var(--magenta);color:var(--paper);border-color:var(--magenta)}
.ends{display:flex;justify-content:space-between;font-size:12px;color:#CBBFBA}
.track{position:relative}
#scrub{position:relative;width:100%;accent-color:var(--magenta);height:28px;margin:0}
.ticks i{position:absolute;top:2px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--lemon)}
.here{margin:6px 0 0;display:flex;gap:8px 12px;align-items:flex-start;justify-content:space-between}
.here p{margin:0;display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline}
.share{flex:none;appearance:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:var(--paper);font:700 13px var(--font);min-height:40px;padding:0 14px;border-radius:999px;cursor:pointer}
.hl-h{margin:16px 0 8px;font-size:13px;color:#CBBFBA}
.hl{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.chip{flex:none;appearance:none;border:1px solid rgba(255,255,255,.22);background:#2A211F;color:var(--paper);font:500 14px var(--font);min-height:42px;padding:0 14px;border-radius:999px;cursor:pointer;white-space:nowrap}
.chip::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:1px}
.chip.day::before{background:var(--lemon)}
.chip.night::before{background:var(--magenta)}
.mapcol{margin-top:14px}
#map{height:220px;border-radius:12px;background:#2A211F}
.me svg{width:40px;height:40px;overflow:visible;transition:transform .12s linear}
.me circle{fill:#E0A000;stroke:#fff;stroke-width:2.5}
.me .cone{fill:rgba(224,160,0,.35)}
#map[data-t="night"] .me circle{fill:var(--magenta)}
#map[data-t="night"] .me .cone{fill:rgba(209,17,118,.35)}
.me svg.nodir .cone{display:none}
.leaflet-container{font-family:var(--font)}
.here strong{font-size:19px;font-weight:900}
.here span{font-size:13px;color:#CBBFBA}
.about{margin:16px 16px 32px;padding-top:12px;border-top:1px solid var(--line);font-size:14px;line-height:1.8;color:#E4DAD6}
.about summary{cursor:pointer;font-size:14px;font-weight:700;color:var(--paper);padding:10px 0}
.about p{margin:8px 0 0}
.about a{color:var(--lemon)}
.about .small{font-size:12px;color:#9C8F8A}
/* 平板直放起：控制鈕和地圖並排，地圖不用往下捲 */
@media (min-width:740px) and (min-height:521px){.walk{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}.mapcol{margin-top:0}#map{height:270px}.hl{flex-wrap:wrap;overflow:visible}}
@media (min-width:860px){#viewer,#vviewer{height:min(68vh,calc(100vh - 372px));min-height:420px}}
@media (min-width:1100px){.walk{grid-template-columns:minmax(0,1fr) 380px}}
/* 大螢幕：畫面放寬，不要縮在中間一小塊 */
@media (min-width:1600px){main{max-width:1440px}#viewer,#vviewer{max-height:900px}.walk{grid-template-columns:minmax(0,1fr) 440px}#map{height:280px}}
/* 手機橫放：畫面撐滿，播放鈕留在一個螢幕內 */
@media (orientation:landscape) and (max-height:520px){
  .bar{padding:4px 16px}.bar h1 small{display:none}
  #viewer,#vviewer{height:calc(100vh - 104px);height:calc(100svh - 104px);min-height:0}
  .walk{padding-top:8px}.steps{margin-bottom:8px}
}