@font-face{font-family:'Ma Shan Zheng';src:url('vendor/ma-shan-zheng.ttf') format('truetype');font-display:swap}
@font-face{font-family:'Marck Script';src:url('vendor/marck-script.ttf') format('truetype');font-display:swap}
:root{--ink:#302c27;--muted:#787166;--red:#a7382b;--red-dark:#87291f;--gold:#b18a46;--line:#e7dfd1;--paper:#fffdf8;--map:#f4f0e7;--ease:cubic-bezier(.23,1,.32,1);font-family:'Segoe UI',Arial,'Microsoft YaHei',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;height:100dvh;overflow:hidden}button,input,select{font:inherit;color:inherit}button{cursor:pointer}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{transition:background-color 160ms ease,color 160ms ease,transform 160ms var(--ease)}button:active:not(:disabled){transform:scale(.97)}button:disabled{cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:3px}[hidden]{display:none!important}button{border:0}a{color:var(--red);text-underline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{height:91px;display:flex;align-items:center;gap:28px;padding:0 32px;border-top:3px solid var(--red);border-bottom:1px solid var(--line);background:var(--paper);position:relative;z-index:600}.site-header h1{display:flex;align-items:baseline;gap:20px;flex-shrink:0;margin:0;line-height:1.2;font-weight:400}.china-english{font-family:'Marck Script',cursive;font-size:46px}.china-chinese{font-family:'Ma Shan Zheng',KaiTi,serif;font-size:35px;letter-spacing:6px;color:var(--red)}.header-note{font-family:Georgia,'Times New Roman',serif;font-size:15px;font-style:italic;color:var(--muted);padding-left:28px;border-left:1px solid var(--line)}.surprise{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;gap:12px;line-height:20px;border:1px solid #ceb685;background:transparent;padding:11px 16px;font-size:14px;border-radius:4px;white-space:nowrap}.surprise svg{display:block;flex:none;fill:none;stroke:var(--gold);stroke-width:1.4}.workspace{height:calc(100dvh - 91px);display:grid;grid-template-columns:352px minmax(0,1fr)}.sidebar{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);background:var(--paper);z-index:500}.sidebar-tools{padding:24px 24px 0}.search-wrap{position:relative}.search-wrap svg{position:absolute;width:17px;height:17px;left:13px;top:14px;fill:none;stroke:var(--muted);stroke-width:1.5;pointer-events:none}#search::placeholder{color:#857e73}.panel-tabs{display:flex;gap:25px;margin-top:21px;border-bottom:1px solid var(--line)}.panel-tabs button{padding:0 0 13px;background:none;font-size:14px;color:var(--muted);border-bottom:2px solid transparent}.panel-tabs button[aria-pressed=true]{border-bottom-color:var(--red);color:var(--red);font-weight:600}.sidebar-scroll{padding:26px 24px;overflow-y:auto;flex:1;scrollbar-width:thin;scrollbar-color:#d7c7ac transparent}.eyebrow{font-size:11px;font-weight:650;letter-spacing:1.65px;color:var(--red)}h2{font-family:Georgia,'Times New Roman',serif;letter-spacing:-.7px;font-size:29px;font-weight:400;line-height:1.18;margin:11px 0 14px}p{font-size:14px;line-height:1.7;color:var(--muted);margin:10px 0}#welcome>p{max-width:270px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin:29px 0 13px}.section-heading h3{font-size:13px;font-weight:600;margin:0}.section-heading>span{font-size:11px;color:var(--gold);letter-spacing:1px}.discovery-cards{display:grid;gap:9px}.discovery-card{display:flex;align-items:center;text-align:left;gap:14px;width:100%;padding:15px 13px;background:#f7f2e9;border:1px solid #ebe1d1;border-radius:6px}.region-mark{display:grid;place-items:center;flex-shrink:0;width:45px;height:49px;font-family:KaiTi,STKaiti,'Ma Shan Zheng',serif;font-size:31px;color:var(--red);border:1px solid #b55c474d;box-shadow:inset 0 0 0 3px #f7f2e9,inset 0 0 0 4px #b55c4726}.discovery-card strong{display:block;font-family:Georgia,serif;font-weight:400;font-size:18px;margin-bottom:5px}.discovery-card small{display:block;font-size:12px;line-height:1.35;color:var(--muted)}.sidebar-footer{padding:17px 24px;border-top:1px solid var(--line);display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;font-size:11px;color:var(--muted)}.sidebar-footer button{padding:0;background:none;font-size:12px;text-decoration:underline;text-underline-offset:3px;color:#695740}.map-shell{position:relative;overflow:hidden;background:var(--map);min-width:0}#map{height:100%;width:100%;background:var(--map);font:inherit;outline:none}.leaflet-pane>svg{overflow:visible!important}.leaflet-interactive{outline:none;cursor:pointer;vector-effect:non-scaling-stroke}.leaflet-interactive:focus-visible{stroke:var(--red);stroke-width:2}.leaflet-control-attribution{background:#f4f0e7df!important;color:#8a8275!important;font-size:10px!important}.leaflet-control-attribution a{color:#736954}.map-top{position:absolute;top:24px;left:26px;right:26px;z-index:450;display:flex;align-items:center;justify-content:space-between;gap:12px;pointer-events:none}.map-top>div{pointer-events:auto}.map-breadcrumb{display:flex;align-items:center;gap:9px;font-size:12px;max-width:48%;color:var(--muted)}.map-breadcrumb button{background:#fffdf8df;border:1px solid var(--line);border-radius:4px;padding:9px 12px;white-space:nowrap;color:var(--red)}#breadcrumb-region{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#breadcrumb-region::before{content:'/';margin-right:9px;color:#b09a79}.map-mode{display:flex;padding:4px;border:1px solid #ded4c3;background:#fffcf7eb;box-shadow:0 3px 12px #493c2306;border-radius:6px}.map-mode button{font-size:12px;background:transparent;padding:8px 12px;border-radius:3px;color:#7b7266}.map-mode button[aria-pressed=true]{background:var(--red);color:#fffaf0}.map-caption{position:absolute;top:101px;left:34px;z-index:410;pointer-events:none;color:#99866d}.map-caption>span{font-size:10px;letter-spacing:2px}.map-caption>div{font-family:KaiTi,STKaiti,serif;font-size:27px;letter-spacing:8px;margin:10px 0;color:#897a64}.map-caption p{font-family:Georgia,serif;font-style:italic;font-size:12px;color:#9c8f7b;margin:0}.map-shell[data-selected=true] .map-caption{display:none}.map-side{position:absolute;bottom:113px;right:24px;z-index:450;display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none}.map-side>*{pointer-events:auto}.map-side>.north{position:static;pointer-events:none}
.globe-toggle{display:grid;place-items:center;width:43px;height:43px;padding:0;border:1px solid #ddd2c0;border-radius:6px;background:#fffdf9;color:var(--ink);box-shadow:0 5px 18px #48382208;cursor:pointer}.globe-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5}.globe-toggle:hover{background:#f0e4cf}
.map-actions{display:flex;flex-direction:column;border:1px solid #ddd2c0;border-radius:6px;background:#fffdf9;box-shadow:0 5px 18px #48382208;overflow:hidden}.map-actions button{width:41px;height:41px;font-size:23px;background:transparent;border-bottom:1px solid var(--line);display:grid;place-items:center}.map-actions button:last-child{border-bottom:0}.map-actions svg{height:18px;width:18px;fill:none;stroke:currentColor;stroke-width:1.5}.north{position:absolute;right:34px;bottom:280px;z-index:440;display:grid;justify-items:center;gap:9px;pointer-events:none;color:var(--red)}.north span{font-size:11px}.north svg{height:28px;width:17px}.map-bottom{position:absolute;left:27px;right:26px;bottom:31px;z-index:450;display:flex;justify-content:flex-end;gap:15px;align-items:center;pointer-events:none;font-size:11px;color:#84745f}#status{padding:8px 12px;background:#fffdf8eb;border:1px solid #e2d7c6;border-radius:4px}#map-hint{font-size:12px}.province-label{background:none;border:0;box-shadow:none;pointer-events:none;text-align:center;white-space:nowrap;color:#5e4939;font-size:12px;line-height:1.25;text-shadow:0 1px 2px #fffcf4,1px 0 2px #fffcf4,-1px 0 2px #fffcf4}.province-label small{font-size:11px;display:block;margin-top:3px;color:#958064}.region-tooltip{font-size:14px!important;background:#fffdf8!important;color:#4c3b2f!important;border:1px solid #ddc6a4!important;border-radius:5px!important;padding:9px 13px!important;box-shadow:0 4px 15px #3527180e!important}.region-tooltip small{display:block;font-size:11px;color:#927b5d;margin-top:4px}#map-shell[data-level=province] .prefecture-shapes path,#map-shell[data-level=province] .other-shapes path{pointer-events:none!important}#map-shell[aria-busy=true] #map{pointer-events:none}#map-shell[aria-busy=true] .leaflet-interactive{pointer-events:none!important}#moving-indicator{position:absolute;left:50%;bottom:75px;transform:translateX(-50%);z-index:500;display:flex;align-items:center;gap:6px;background:var(--paper);border:1px solid var(--line);padding:12px 14px;border-radius:20px;box-shadow:0 5px 18px #5e231218;pointer-events:none}.moving-dot{width:6px;height:6px;border-radius:50%;background:var(--red);opacity:.25;animation:map-progress 900ms ease-in-out infinite}.moving-dot:nth-of-type(3){animation-delay:120ms}.moving-dot:nth-of-type(4){animation-delay:240ms}@keyframes map-progress{0%,60%,100%{opacity:.25}30%{opacity:1}}.back-button{padding:0 0 20px;background:none;display:block;font-size:12px;color:var(--muted);text-decoration:underline;text-underline-offset:4px}#selection-name{font-size:35px;margin-bottom:7px}#selection-chinese{font-family:KaiTi,STKaiti,serif;font-size:24px;letter-spacing:4px;color:var(--red);margin:0 0 18px}.selection-meta{font-size:12px;color:#8b7b65;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:19px 0}.quiet-button{padding:9px 12px;border:1px solid #d9c6a7;background:#fcf6ea;border-radius:4px;font-size:12px}.story{margin:24px 0;padding:19px 17px;background:#f6efe2;border-left:2px solid var(--gold)}.story .eyebrow{font-size:10px;letter-spacing:1.3px;color:#95733c}.story h3{font-family:Georgia,serif;font-size:21px;font-weight:400;line-height:1.25;margin:12px 0}.story p{font-size:14px;color:#71624f}.story a{font-size:12px}#subdivisions{margin-top:24px;border-top:1px solid var(--line);padding-top:16px}#subdivisions summary{font-size:13px;cursor:pointer;color:#6f5d45}#region-list{display:grid;gap:5px;margin-top:13px;max-height:250px;overflow:auto;scrollbar-width:thin}#region-list button{padding:10px 12px;text-align:left;background:#f6f1e8;font-size:13px;border-radius:3px}.field-label{display:block;font-size:13px;color:var(--muted);margin:25px 0 8px}select{width:100%;padding:11px 10px;border:1px solid var(--line);background:#fff;border-radius:4px;font-size:14px}.layers{padding:26px 0;border-bottom:1px solid var(--line)}.layers h3{font-size:14px;margin:0 0 20px}.layers label{display:flex;align-items:center;justify-content:space-between;margin:20px 0;font-size:14px}.layers label span{display:flex;align-items:center;gap:10px}.layers p{font-size:12px;margin-bottom:0}.line{display:inline-block;width:22px;border-top:2px solid #9c573d}.prefecture-line{border-top:1px solid #b8a588}.district-line{border-top:1px dashed #957940}.label-icon{font-size:12px;width:22px;font-style:normal}input[type=checkbox]{width:17px;height:17px;accent-color:var(--red)}.settings-tip{font-size:13px}.search-result{width:100%;padding:11px 10px;background:#f7f1e6;text-align:left;border-bottom:1px solid var(--line);font-size:14px}.search-result small{display:block;font-size:11px;color:var(--muted);margin-top:4px}#search-results{max-height:260px;overflow-y:auto;border:1px solid var(--line);margin-top:8px;border-radius:4px}#search-results p{padding:8px 12px;font-size:13px}.search-result strong{font-weight:500}dialog{border:1px solid var(--line);border-radius:10px;padding:28px;max-width:550px;width:calc(100% - 32px);max-height:85dvh;color:var(--ink);background:var(--paper);box-shadow:0 25px 90px #35231338}dialog::backdrop{background:#352b2155;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between}.dialog-head button{font-size:25px;background:none}.section-kicker{font-size:11px;letter-spacing:1.4px;color:var(--red)}dialog h2{font-size:30px}dialog p{font-size:14px}dl{font-size:13px;display:grid;grid-template-columns:1fr 1.2fr;gap:12px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}dt{color:var(--muted)}dd{margin:0}.manifest-link{font-size:13px}#load-error{position:absolute;top:82px;left:25px;right:25px;z-index:550;padding:14px;background:#fff4d4;border:1px solid #cfaa5a;border-radius:5px;font-size:14px}#load-error button{padding:7px 10px;background:var(--red);color:white;border-radius:3px;margin-left:10px}
@media(hover:hover) and (pointer:fine){.discovery-card:hover{background:#f0e5d3;border-color:#ccb38b}.surprise:hover,.quiet-button:hover{background:#f1e6d0}.map-actions button:hover{background:#f0e4cf}.search-result:hover,#region-list button:hover{background:#ecddc3}.panel-tabs button:hover{color:var(--red)}}
@media(max-width:1100px){.workspace{grid-template-columns:308px minmax(0,1fr)}.site-header{padding:0 24px}.sidebar-tools{padding:20px 20px 0}.sidebar-scroll{padding:24px 20px}.header-note{font-size:13px;padding-left:20px}.map-bottom{flex-direction:column;align-items:flex-start;gap:6px}.map-caption{left:27px}.map-mode button{padding:8px}.discovery-card{gap:11px;padding:13px 10px}.discovery-card small{font-size:11px}}
@media(max-width:760px){body{height:auto;overflow:auto}.site-header{height:80px;padding:0 18px;gap:12px}.site-header h1{gap:12px}.china-english{font-size:39px}.china-chinese{font-size:28px;letter-spacing:3px}.header-note{display:none}.surprise{font-size:12px;padding:9px 11px}.surprise svg{display:none}.workspace{height:auto;display:flex;flex-direction:column}.map-shell{order:0;height:61dvh;min-height:380px;flex:none;border-bottom:1px solid var(--line)}.sidebar{order:1;border-right:0;min-height:440px}.sidebar-tools{padding:20px 22px 0}.sidebar-scroll{padding:24px 22px;overflow:visible}.sidebar-footer{padding:19px 22px;flex-direction:row;justify-content:space-between}.map-top{top:15px;left:15px;right:15px}.map-mode button{font-size:11px;padding:7px 9px}.map-breadcrumb{font-size:11px;gap:5px}.map-breadcrumb button{padding:9px}.map-caption{top:80px;left:22px}.map-caption>div{font-size:22px;letter-spacing:5px}.map-caption>span{font-size:9px}.map-caption p{display:none}.map-side{right:15px;bottom:85px}.globe-toggle{width:38px;height:38px}.map-actions button{width:36px;height:36px}.north{right:24px;bottom:222px}.map-bottom{bottom:24px;left:15px;right:15px}#map-hint{display:none}#status{font-size:10px;max-width:calc(100% - 35px)}.province-label{font-size:11px}.province-label small{font-size:10px}.discovery-cards{grid-template-columns:1fr 1fr}.discovery-card{gap:11px;min-width:0}.discovery-card strong{font-size:17px}.discovery-card small{font-size:11px}.region-mark{width:36px;height:44px;font-size:27px}.section-heading{margin-top:25px}#welcome>p{max-width:100%}.story{max-width:650px}.map-shell[data-selected=true] .map-caption{display:none}}
@media(max-width:400px){.surprise{max-width:112px;white-space:normal;font-size:11px}.discovery-cards{grid-template-columns:1fr}.map-breadcrumb{max-width:43%}.site-header{padding:0 14px}.china-english{font-size:36px}.china-chinese{font-size:27px}.sidebar-footer{flex-direction:column}}
@media(prefers-reduced-motion:reduce){.moving-dot{animation:none;opacity:.65}button{transition:none}.leaflet-zoom-animated{transition:none!important}}

#layers-panel>.field-label:first-child{margin-top:0}
.population{margin:20px 0;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.population h3{font-size:16px;font-weight:500;margin:0 0 10px}.population .population-total{font-size:28px;font-weight:500;line-height:1.2;font-variant-numeric:tabular-nums;margin:0;color:var(--ink)}.population-scope{font-size:14px;margin:5px 0 4px;color:var(--muted)}.population-breakdown{font-size:14px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 12px;padding:0;margin:0 0 16px;border:0}.population-breakdown dd{font-variant-numeric:tabular-nums;text-align:right}.population-period,.population-quality{font-size:13px;line-height:1.5;margin:8px 0}.population .population-period{color:var(--muted);margin:4px 0 16px}.population-quality{color:var(--red)}.population>a{font-size:13px}

.maplibregl-canvas{outline:none}.maplibregl-control-container .maplibregl-ctrl-attrib{background:#f4f0e7df;color:#8a8275;font-size:10px;line-height:16px;padding:0 5px}.maplibregl-ctrl-attrib a{color:#736954}.maplibregl-marker.province-label{z-index:3}.gpu-tooltip{position:absolute;z-index:445;pointer-events:none;max-width:250px}.maplibregl-canvas-container{cursor:grab}.maplibregl-canvas-container.maplibregl-interactive:active{cursor:grabbing}

.creator-credit{font-size:12px;line-height:1.5;white-space:nowrap}
.maplibregl-control-container .maplibregl-ctrl-attrib.maplibregl-compact{min-height:28px;min-width:28px;padding:2px 24px 2px 0}
/* Capital markers follow MapLibre's camera without rebuilding during movement. */
.capital-toggle-icon{width:21px;text-align:center;font-size:18px;color:#a67935;font-style:normal}
.capital-legend{padding:2px 0 12px;display:grid;gap:7px;color:var(--muted);font-size:12px;line-height:1.4}
.capital-legend[hidden]{display:none}
.capital-key{display:flex;align-items:center;gap:8px}
.capital-key svg{width:17px;height:17px;flex:none}
.capital-marker{width:17px;height:17px;z-index:3;cursor:default;outline:none}
.capital-marker.national{width:24px;height:24px;z-index:4}
.capital-marker svg{display:block;width:100%;height:100%;overflow:visible}
.capital-marker path,.capital-key path{fill:#a67935;stroke:#fff9ed;stroke-width:1.5;stroke-linejoin:round}
.capital-marker.national path,.capital-key.national path{fill:#bf392b;stroke:#fff9ed;stroke-width:1}
.capital-marker circle,.capital-key circle{fill:#fff9ed;stroke:#bf392b;stroke-width:1.4}
.capital-tip{display:none;position:absolute;left:50%;bottom:calc(100% + 8px);transform:translateX(-50%);width:max-content;max-width:230px;padding:7px 10px;border:1px solid #d7c7ae;border-radius:5px;background:#fff9ed;color:#403c35;font:12px/1.5 system-ui,sans-serif;box-shadow:0 2px 8px #403c3515;text-align:center;pointer-events:none}
.capital-marker:hover,.capital-marker:focus-visible{z-index:5}
.capital-marker:hover .capital-tip,.capital-marker:focus-visible .capital-tip{display:block}
.capital-marker:focus-visible svg{filter:drop-shadow(0 0 2px #bf392b)}

.layers .water-line{border-top:2px solid #608fa3}
.map-mode #mode-lock{display:grid;place-items:center;flex:none;width:32px;padding:6px;margin-left:4px;border-left:1px solid var(--line);border-radius:0 3px 3px 0}.map-mode #mode-lock svg{display:block;width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.map-mode #mode-lock[aria-pressed=true]{background:#a7382b12;color:var(--red)}#mode-lock[aria-pressed=false] .lock-closed,#mode-lock[aria-pressed=true] .lock-open{display:none}

/* Optional satellite background keeps labels readable over varied terrain. */
.satellite-toggle-icon{display:inline-block;width:22px;height:16px;border:1px solid #8a9b80;background:linear-gradient(145deg,#768866 0 40%,#b5bf9c 41% 65%,#5e7d8a 66%);border-radius:2px}.layers .satellite-options{margin:-9px 0 20px;padding:10px 12px;background:#f7f2e9;border:1px solid var(--line);border-radius:4px}.layers .satellite-options p{margin:0 0 10px;font-size:12px}.layers .satellite-options label{font-size:12px;margin:0 0 8px}.satellite-options input[type=range]{display:block;width:100%;margin:0;accent-color:var(--red)}.satellite-options output{font-variant-numeric:tabular-nums;color:var(--muted)}.map-shell[data-satellite=true] .province-label,.map-shell[data-satellite=true] .province-label small{color:#fffdf3;text-shadow:0 1px 2px #172019,1px 0 2px #172019,-1px 0 2px #172019,0 -1px 2px #172019}.map-shell[data-satellite=true] #breadcrumb-region{color:#fffdf3;text-shadow:0 1px 2px #172019}

.map-shell[data-satellite=true] .korea-marker,.map-shell[data-satellite=true] .korea-marker small{color:#fffdf3;text-shadow:0 1px 2px #172019,1px 0 2px #172019,-1px 0 2px #172019,0 -1px 2px #172019}
#zoom-lock svg{width:20px;height:20px;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}#zoom-lock .zoom-lock-closed{display:none}#zoom-lock[aria-pressed=true] .zoom-lock-closed{display:block}#zoom-lock[aria-pressed=true] .zoom-lock-open{display:none}#globe-view[aria-pressed=true],#zoom-lock[aria-pressed=true]{background:color-mix(in srgb,var(--red) 12%,var(--paper));color:var(--red)}#zoom-lock:active{transform:none}.north{bottom:324px}@media(max-width:760px){.north{bottom:266px}}

.population-note{font-size:14px;line-height:1.5;margin:10px 0;color:var(--ink)}
#status .status-retry{pointer-events:auto;margin-left:4px;padding:0;border:0;background:none;color:var(--red);font:inherit;text-decoration:underline;cursor:pointer}