:root{color-scheme:dark;--bg:#101c24;--panel:#13222beb;--line:#ffffff17;--ink:#f3f1e9;--muted:#a8b8bc;--copper:#efac73;--teal:#9edaca;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}button{cursor:pointer;color:inherit;border:0}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--copper);outline-offset:4px}button:hover{filter:brightness(1.16)}button:disabled{opacity:.45;cursor:default}a{color:var(--teal);text-underline-offset:3px}#app{height:100svh;min-height:670px;position:relative;overflow:hidden}#viewport,#labels{position:absolute;inset:0}#viewport canvas{width:100%;height:100%;display:block;touch-action:none}#labels{pointer-events:none;overflow:hidden}.masthead{position:absolute;top:0;left:0;right:0;height:106px;display:flex;justify-content:space-between;align-items:center;padding:26px 36px;background:linear-gradient(#101c24ed,#101c2400);pointer-events:none}.masthead>*{pointer-events:auto}.identity{display:flex;gap:17px;align-items:center}.brand-mark{font-size:45px;color:var(--copper);border:1px solid #efac7344;border-radius:15px;width:48px;height:53px;text-align:center;line-height:44px}.eyebrow{font-size:11px;letter-spacing:.17em;font-weight:650;color:var(--muted);margin:0 0 8px}h1{font-family:Georgia,serif;font-size:30px;letter-spacing:-.8px;font-weight:400;margin:0}h1 span{color:var(--copper)}.quiet{font-size:14px;background:#14252cdf;border:1px solid var(--line);border-radius:30px;padding:12px 18px}.quiet span{margin-left:12px;color:var(--copper)}.sidebar{position:absolute;left:28px;top:128px;bottom:152px;width:298px;background:var(--panel);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:15px;padding:20px;display:flex;flex-direction:column;box-shadow:0 16px 70px #0003}.sidebar-heading{display:flex;align-items:center;justify-content:space-between}.sidebar-heading .eyebrow{margin:0}.icon-button{background:transparent;width:28px;height:28px;font-size:22px;color:var(--muted);display:grid;place-items:center}.sidebar-content{display:flex;flex-direction:column;min-height:0;flex:1}.intro{font-family:Georgia,serif;font-size:26px;line-height:1.3;letter-spacing:-.45px;margin:18px 0 20px}.intro em{color:var(--copper);font-weight:400}.numbers{display:grid;grid-template-columns:1fr 1fr;padding:0 0 20px;border-bottom:1px solid var(--line);margin-bottom:18px;gap:20px}.numbers>div{display:flex;flex-direction:column;gap:5px}.numbers strong{font-family:Georgia,serif;font-size:27px;font-weight:400}.numbers span{font-size:12px;color:var(--muted)}.search{display:flex;gap:9px;align-items:center;background:#ffffff07;border:1px solid #ffffff20;border-radius:7px;padding:10px}.search>span{color:var(--copper);font-size:24px;line-height:18px}.search input{width:100%;min-width:0;background:transparent;color:var(--ink);border:none;font-size:14px;outline:none}.search input::placeholder{color:#a8b8bc}.filter-row{display:flex;gap:5px;margin:12px 0 20px}.filter{background:transparent;color:var(--muted);padding:6px 13px;border-radius:5px;font-size:13px}.filter.active{background:#efac731c;color:var(--copper)}.list-heading{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;letter-spacing:.12em;margin-bottom:9px}.place-list{overflow-y:auto;flex:1;min-height:70px;scrollbar-width:thin;scrollbar-color:#54656d transparent}.place-row{display:flex;align-items:center;gap:12px;padding:12px 8px;border-radius:7px;background:transparent;width:100%;text-align:left;border-bottom:1px solid #ffffff08}.place-row.active{background:#efac7315}.place-row .symbol{border:1px solid #efac7355;border-radius:50%;width:29px;height:29px;display:grid;place-items:center;flex-shrink:0;color:var(--copper);font-size:19px}.place-row.shaft .symbol{border-color:#9edaca66;color:var(--teal);border-radius:7px;font-size:16px}.place-row>div{flex:1;min-width:0}.place-row strong{font-size:14px;display:block;font-weight:550}.place-row small{display:block;font-size:11px;color:var(--muted);margin-top:4px;line-height:1.4}.place-row .chevron{font-size:19px;color:#829599}.legend{padding-top:17px;margin-top:15px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px 14px;font-size:11px;color:var(--muted)}.legend span{display:flex;align-items:center;gap:6px}.adit-dot{width:8px;height:8px;display:inline-block;border-radius:50%;background:var(--copper)}.shaft-dot{width:8px;height:8px;display:inline-block;background:var(--teal)}.route-line{width:18px;height:2px;background:var(--copper);display:inline-block}.view-controls{position:absolute;top:124px;left:calc(50% + 50px);transform:translateX(-50%);background:var(--panel);border:1px solid var(--line);border-radius:10px;display:flex;padding:5px;backdrop-filter:blur(18px);white-space:nowrap}.view-controls button{background:transparent;color:var(--muted);padding:10px 15px;font-size:13px;border-radius:6px}.view-controls button.active{background:#efac73;color:#172128;font-weight:650}.map-tools{position:absolute;right:30px;top:128px;display:flex;flex-direction:column;gap:14px;align-items:center}.compass{width:44px;height:72px;background:transparent;display:flex;flex-direction:column;align-items:center;gap:5px;color:#dce9e6}.compass span{font-size:12px}.compass svg{width:24px;height:32px;color:var(--copper)}.zoom-group{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:9px;overflow:hidden}.zoom-group button,.reset-button{background:transparent;width:43px;height:42px;font-size:23px}.zoom-group button+button{border-top:1px solid var(--line)}.reset-button{background:var(--panel);border:1px solid var(--line);border-radius:9px}.layer-panel{position:absolute;right:28px;bottom:146px;width:254px;background:var(--panel);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:12px;padding:17px 20px}.layer-title{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:600}.range-label{display:flex;justify-content:space-between;margin:17px 0 9px;font-size:12px;color:var(--muted)}.range-label output{color:var(--copper)}input[type=range]{width:100%;accent-color:var(--copper);height:4px;margin:6px 0 19px}.checks{display:grid;gap:12px;font-size:13px}.checks label{display:flex;align-items:center;gap:8px}.checks input{accent-color:var(--copper);width:15px;height:15px;margin:0}.elevation-control{border-top:1px solid var(--line);margin-top:16px;padding-top:14px;display:flex;flex-direction:column;gap:7px}.elevation-control label{font-size:12px;color:var(--muted)}.elevation-control select{font-size:12px;background:#14252c;color:var(--ink);padding:7px;border:1px solid var(--line);border-radius:5px;width:100%}.map-note{position:absolute;bottom:65px;left:28px;display:flex;gap:10px;align-items:center;max-width:650px;background:#101c24d9;border-radius:8px;padding:12px 17px}.note-symbol{border:1px solid #efac7359;border-radius:50%;height:22px;width:22px;text-align:center;font:italic 16px Georgia;color:var(--copper);flex-shrink:0}.map-note p{font-size:12px;color:var(--muted);line-height:1.55;margin:0}.map-note strong{font-weight:550;color:var(--ink)}.map-bottom{position:absolute;bottom:43px;left:360px;right:30px;display:flex;justify-content:space-between;color:#c8d4d3;font-size:11px;pointer-events:none}.gesture{margin-left:auto;margin-right:30px}#scale{border-bottom:2px solid #bdcfcc;padding:0 8px 4px;min-width:0;flex-shrink:0;text-align:center}footer{position:absolute;bottom:0;left:0;right:0;display:flex;justify-content:space-between;gap:15px;font-size:10px;padding:10px 28px;background:#0d1822cf;color:#a3b4b9}.map-label{position:absolute;top:0;left:0;white-space:nowrap;transform:translate(-50%,-100%);font-size:12px;font-weight:600;text-shadow:0 1px 6px #000,0 1px 3px #000;color:#f1e8d5;will-change:transform}.map-label.place{font-size:11px;font-weight:500;letter-spacing:.08em;color:#d5e4d9}.map-label.selected{background:#16262af2;border:1px solid #efac7377;padding:6px 11px;border-radius:5px;color:#ffce9c}.detail{position:absolute;left:347px;top:184px;width:310px;max-height:calc(100% - 350px);overflow-y:auto;padding:22px;background:#14242ef5;border:1px solid #efac7345;border-radius:13px;box-shadow:0 20px 50px #0004;backdrop-filter:blur(15px)}.detail .close-detail{position:absolute;right:12px;top:10px}.detail .eyebrow{font-size:10px;color:var(--copper);padding-right:24px}h2{font:400 30px Georgia,serif;letter-spacing:-.5px;margin:12px 0 18px}.detail h2{font-size:25px;line-height:1.16;margin-bottom:14px}.detail p{font-size:13px;line-height:1.65;color:#bfced0}.detail dl{margin:16px 0;font-size:12px}.detail dl>div{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-bottom:1px solid var(--line)}.detail dt{color:var(--muted)}.detail dd{margin:0;text-align:right}.detail .source-link{font-size:12px;display:block;margin-top:10px}.detail .tiny{font-size:11px;color:var(--muted)}.empty{font-size:13px;line-height:1.5;color:var(--muted);padding:12px 0}dialog{color:var(--ink);background:#13232c;border:1px solid #ffffff25;border-radius:18px;padding:28px 32px;max-width:660px;width:calc(100% - 32px);max-height:84svh;box-shadow:0 30px 100px #0008}dialog::backdrop{background:#030d17aa;backdrop-filter:blur(7px)}.dialog-head{display:flex;align-items:center;justify-content:space-between}.dialog-head .eyebrow{margin:0}dialog h3{font-size:16px;margin:26px 0 8px}dialog p,dialog li{font-size:14px;line-height:1.7;color:#b9c9cd}dialog li{margin:9px 0}dialog .source-block{border-top:1px solid var(--line);margin-top:24px;padding-top:4px}.method-note{padding:15px 17px;border-left:2px solid var(--copper);background:#efac7308}#loading{position:absolute;inset:0;z-index:20;background:#101c24;display:flex;flex-direction:column;gap:15px;align-items:center;justify-content:center;color:var(--muted)}#loading strong{color:var(--ink);font-family:Georgia;font-weight:400;font-size:28px}#loading span{font-size:14px}.loader-mark{color:var(--copper);font-size:80px;line-height:1;padding-bottom:20px}#loading[hidden]{display:none}.sidebar.collapsed{bottom:auto}.sidebar.collapsed .sidebar-content{display:none}.label-hidden{display:none!important}
@media(min-width:1600px){.sidebar{width:320px;left:36px}.detail{left:378px}.layer-panel{right:36px}.map-note{left:36px}}
@media(max-height:800px) and (min-width:801px){.intro{font-size:22px;margin:12px 0}.numbers{margin-bottom:12px;padding-bottom:12px}.sidebar{top:113px;bottom:142px}.sidebar .filter-row{margin-bottom:12px}.view-controls{top:113px}.legend{padding-top:12px;margin-top:10px}.place-row{padding-top:10px;padding-bottom:10px}.layer-panel{bottom:136px}}
@media(max-width:1100px){.sidebar{width:265px;left:18px;padding:16px}.detail{left:298px;width:270px}.view-controls{left:auto;right:88px;transform:none}.view-controls button{padding:9px 10px;font-size:12px}.layer-panel{width:222px;right:18px;padding:14px}.masthead{padding-left:24px;padding-right:24px}.map-note{max-width:580px;left:18px}.gesture{display:none}.map-bottom{left:auto}.intro{font-size:23px}}
@media(max-width:800px){#app{min-height:700px}.masthead{height:86px;padding:17px 18px;align-items:flex-start}.brand-mark{display:none}h1{font-size:25px}.eyebrow{font-size:9px}.quiet{font-size:0;padding:8px 11px}.quiet span{font-size:18px;margin:0}.view-controls{top:94px;left:16px;right:auto;max-width:calc(100% - 66px);padding:4px}.view-controls button{font-size:11px;padding:9px 10px}.map-tools{top:92px;right:12px;gap:9px}.compass{height:55px;width:30px}.compass svg{height:26px}.zoom-group button,.reset-button{width:34px;height:34px}.sidebar{top:auto;bottom:148px;left:12px;width:245px;height:290px;padding:13px}.sidebar .intro,.sidebar .numbers,.sidebar .legend{display:none}.sidebar-heading{margin-bottom:7px}.sidebar-content .search{padding:7px}.search input{font-size:12px}.filter-row{margin:7px 0 9px}.filter{font-size:12px;padding:4px 10px}.place-row{padding:8px 3px}.place-row strong{font-size:13px}.place-row small{font-size:10px}.place-row .symbol{width:24px;height:24px}.sidebar.collapsed{bottom:148px;height:auto}.layer-panel{bottom:148px;right:12px;width:calc(100% - 280px);min-width:128px;max-width:215px;padding:11px}.layer-title{font-size:12px}.range-label{font-size:11px;gap:5px;flex-wrap:wrap}.checks{font-size:11px;gap:10px}.checks label{gap:6px}.elevation-control label,.elevation-control select{font-size:11px}.map-note{bottom:57px;left:12px;right:12px;max-width:none;padding:10px 11px}.map-note p{font-size:11px}.map-bottom{bottom:36px;right:16px}.map-bottom #scale{font-size:10px}.detail{left:12px;right:12px;top:148px;bottom:auto;width:auto;max-height:calc(100% - 305px);z-index:8;padding:20px}.detail h2{font-size:24px}.detail dl{display:grid;grid-template-columns:1fr 1fr;gap:0 17px}.detail p{font-size:12px}.map-label{font-size:10px}footer{padding:7px 12px;font-size:8px;gap:12px;flex-wrap:wrap}footer span:last-child{display:none}dialog{padding:22px}dialog h2{font-size:27px}#loading{text-align:center;padding:25px}#loading strong{font-size:25px}#loading span{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

@media(max-width:480px){.sidebar.collapsed{width:calc(100% - 185px)}.sidebar:not(.collapsed){width:calc(100% - 24px);height:260px;z-index:5}.sidebar:not(.collapsed)~.layer-panel{visibility:hidden}.layer-panel{width:150px;min-width:150px}.sidebar-heading .eyebrow{font-size:9px;letter-spacing:.1em}.sidebar-heading{margin-bottom:0}}