:root{color-scheme:dark;--ink:#080e13;--surface:#0d171e;--line:#314249;--text:#e1e7e6;--muted:#a8b9bd;--accent:#9bcbbd;font-family:"Helvetica Neue","PingFang TC","Noto Sans TC",sans-serif;font-synthesis:none;font-weight:400}
*{box-sizing:border-box}body{margin:0;background:var(--ink);color:var(--text)}button,input,select{font:inherit}button,a,select,input{-webkit-tap-highlight-color:transparent}
button{border:1px solid var(--line);border-radius:5px;min-height:40px;padding:9px 13px;background:#14232a;color:var(--text);cursor:pointer;white-space:nowrap;transition:background .15s}button:hover{background:#20342f;border-color:#638477}button:active{transform:translateY(1px)}button:disabled{opacity:.55;cursor:default}a{color:var(--accent);text-underline-offset:3px}
button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}
/* Layers: canvas 0; atmosphere 1; caption 2; navigation / feedback 3; native dialog top layer. */
.night-app{min-height:100dvh;height:100dvh;overflow:hidden;position:relative}#map{position:absolute;inset:0;background:var(--ink)}#map canvas{display:block;touch-action:none}#map canvas:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}
.map-vignette{position:absolute;inset:0;pointer-events:none;z-index:1;background:linear-gradient(180deg,#080e13aa,transparent 23%,transparent 70%,#080e13db)}
.masthead{position:absolute;inset:30px 36px auto;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:20px}.wordmark{display:flex;align-items:center;gap:14px;color:var(--text);text-decoration:none;font-size:20px;font-weight:500;letter-spacing:4px}.wordmark small{display:block;font-size:9px;letter-spacing:2.2px;color:var(--muted);margin-top:8px}.settings-button{background:#0d171ef2;border-color:#638477;color:var(--accent);padding:10px 24px;letter-spacing:1px}
.brand-mark{display:flex;align-items:center;gap:4px;height:35px;flex:none}.brand-mark i{display:block;width:2px;height:16px;background:var(--accent);transform:rotate(15deg)}.brand-mark i:nth-child(2){height:32px}.brand-mark i:nth-child(3){height:24px}.brand-mark i:nth-child(4){height:12px}
.scene-caption{position:absolute;left:36px;bottom:76px;z-index:2;pointer-events:none;text-shadow:0 2px 15px var(--ink)}.scene-caption h1{font-size:clamp(21px,2.2vw,30px);font-weight:400;letter-spacing:3px;margin:0 0 12px;line-height:1.4}.scene-caption p{font-size:12px;color:#c0cece;letter-spacing:.8px;margin:0;line-height:1.8}
.sound-unlock{pointer-events:auto;position:absolute;left:0;bottom:calc(100% + 14px);min-height:34px;padding:6px 11px;font-size:12px;background:#0d171ee8;color:var(--accent);border-color:#638477}
.map-attribution{position:absolute;left:36px;right:36px;bottom:22px;z-index:3;display:flex;flex-wrap:wrap;gap:5px 16px;font-size:12px;line-height:1.7;color:var(--muted)}.map-attribution a{color:#b0c6c0}
.map-message{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;width:min(360px,calc(100% - 40px));padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:5px;text-align:center;line-height:1.7}.map-message strong{font-size:15px;font-weight:500}.map-message p{font-size:12px;color:var(--muted)}
.village-card{position:absolute;left:36px;top:110px;z-index:3;width:245px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:5px}.village-card .close-button{float:right;min-height:30px;padding:4px 7px;font-size:11px}.village-card h2{font-size:18px;font-weight:500;margin:4px 0 10px}.village-card p{font-size:12px;color:var(--muted);margin:0}
.settings-dialog{position:fixed;inset:0 0 0 auto;margin:0;width:min(416px,100%);height:100dvh;max-height:100dvh;max-width:100%;padding:0;background:var(--surface);color:var(--text);border:0;border-left:1px solid var(--line);overflow:hidden;box-shadow:-16px 0 60px #080e1355}.settings-dialog[open]{display:flex;flex-direction:column}.settings-dialog::backdrop{background:#080e132b}
.settings-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:16px;padding:26px 26px 16px;border-bottom:1px solid var(--line);flex:none}.settings-header h2{font-size:21px;letter-spacing:2px;font-weight:500;margin:0 0 10px}.settings-header p{color:var(--muted);font-size:12px;line-height:1.7;margin:0}.close-button{background:transparent;font-size:12px;padding:8px 11px}
.settings-jumps{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:8px}.settings-jumps button{font-size:13px;min-height:34px;padding:6px 12px;color:var(--accent);background:transparent}.settings-section h3:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.settings-content{overflow-y:auto;overscroll-behavior:contain;padding:0 26px max(28px,env(safe-area-inset-bottom));scrollbar-width:thin;scrollbar-color:#5a7f75 var(--surface)}
.settings-section{padding:23px 0 26px;border-bottom:1px solid var(--line)}.settings-section h3{font-size:16px;font-weight:500;letter-spacing:1px;margin:0 0 17px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px}.section-heading h3{margin:0}.text-button{font-size:12px;padding:6px 10px;min-height:34px;background:transparent;color:var(--accent)}
.select-control{display:grid;grid-template-columns:1fr 1.5fr;align-items:center;gap:15px;font-size:14px;margin-bottom:24px}select{width:100%;border:1px solid var(--line);border-radius:5px;min-height:40px;background:#14232a;color:var(--text);padding:8px 10px}
.range-control{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:7px 12px;margin-top:15px}.range-control label{font-size:14px;line-height:1.6}.range-control output{font:12px "SFMono-Regular",Consolas,monospace;color:var(--accent);font-variant-numeric:tabular-nums}.range-control input{grid-column:1/-1;width:100%;margin:0;height:25px;accent-color:var(--accent);cursor:pointer}
.control-help,.section-description{font-size:12px;color:var(--muted);line-height:1.85;margin:8px 0 0}.section-description{margin:-5px 0 18px}.advanced-settings{margin-top:20px}summary{cursor:pointer;color:var(--accent);font-size:12px;line-height:1.8;min-height:36px;padding:7px 0}.details-content{padding-top:3px}
.check-control{display:flex;align-items:center;gap:10px;font-size:13px;margin:17px 0 20px;min-height:30px}.check-control input{accent-color:var(--accent);width:17px;height:17px}.button-row{display:flex;gap:10px;flex-wrap:wrap}.button-row button{flex:1;font-size:12px}.primary-button{background:var(--accent);color:#102b29;border-color:var(--accent);font-weight:600}.primary-button:hover{background:#b7dbcf}button[aria-pressed=true]{background:#274139;border-color:var(--accent);color:#d3e8e0}#sound-status{min-height:40px}
.reset-row{padding:24px 0 18px}.reset-row button{width:100%;background:transparent;font-size:12px}.reset-row p{text-align:center}.credits{border-top:1px solid var(--line);padding-top:13px}.credits .details-content p{font-size:12px;color:var(--muted);line-height:1.95;margin:10px 0 16px;overflow-wrap:anywhere}.no-script{position:absolute;top:40%;left:20px;right:20px;z-index:3;background:var(--surface);padding:24px;text-align:center}
@media(max-width:640px){.masthead{inset:max(22px,env(safe-area-inset-top)) 20px auto}.wordmark{font-size:17px;letter-spacing:3px}.wordmark small{font-size:8px;letter-spacing:1.4px}.settings-button{padding:9px 18px}.scene-caption{left:20px;bottom:92px}.scene-caption h1{font-size:23px}.scene-caption p{max-width:250px;font-size:12px}.map-attribution{left:20px;right:20px;bottom:max(19px,env(safe-area-inset-bottom));gap:2px 10px}.village-card{left:20px;top:104px}.settings-dialog{width:100%;border-left:0}.settings-header{padding:max(22px,env(safe-area-inset-top)) 22px 16px}.settings-content{padding-left:22px;padding-right:22px}}
@media(prefers-reduced-motion:reduce){button{transition:none}button:active{transform:none}}