:root{color-scheme:dark;--bg:#09171f;--panel:#10232d;--line:#243b46;--text:#e9f0ef;--muted:#8ca5af;--teal:#69d9c5;--orange:#f6b970}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px -apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif}header{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4vw}.brand{display:flex;align-items:center;gap:12px;color:var(--teal);font-size:26px}.brand span{font-size:10px;letter-spacing:2px;color:var(--muted);margin-left:14px}nav{display:flex;gap:22px}button,select,input{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:#17313d;color:var(--text);border-radius:7px;padding:10px 14px}button:hover{border-color:var(--teal)}nav button{border:0;background:none;color:var(--muted);border-radius:0}nav button.active{color:var(--teal);border-bottom:2px solid var(--teal)}.date,small{color:var(--muted);font-size:11px;letter-spacing:1.8px}main{max-width:1600px;margin:auto;padding:34px 4vw}.heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}h1{font-size:38px;font-weight:500;margin:12px 0}p{color:var(--muted);line-height:1.8}.heading p{margin:0}.badge{font-size:12px;color:var(--orange);border:1px solid #71583c;border-radius:30px;padding:10px 16px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px}.visuals{display:grid;grid-template-columns:1.14fr 1fr;gap:18px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}.panel-title{display:flex;justify-content:space-between;padding:18px;font-size:11px;color:#b4c8ce;letter-spacing:1px}.sea-panel,.map-panel{position:relative;min-height:490px}canvas{width:100%;height:420px;display:block}.sea-caption{position:absolute;bottom:24px;left:20px;right:20px;padding:13px;border-radius:8px;background:#112833db;font-size:12px}.dot{display:inline-block;width:6px;height:6px;background:var(--orange);border-radius:100%;margin-right:8px}.legend{display:flex;gap:12px;padding:0 15px 14px;font-size:10px;flex-wrap:wrap}.teal{color:var(--teal)}.orange{color:var(--orange)}.muted{color:var(--muted)}.controls{padding:22px}h2{font-size:20px;font-weight:500;margin:10px 0 24px}label{display:block;color:#afc2ca;font-size:12px;margin:0 0 16px}input[type=time],select{width:100%;margin-top:9px;background:#0a1c26;border:1px solid var(--line);color:var(--text);padding:10px;border-radius:6px}input[type=range]{width:100%;accent-color:var(--teal);margin-top:14px}output{float:right;color:var(--teal)}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.hint{font-size:11px;line-height:1.7}.actions{display:flex;gap:8px;margin:17px 0}.primary{background:var(--teal);color:#062821;border:0;flex:1;font-weight:600}.playback{align-items:end}.playback button{margin-top:9px;width:100%;font-size:11px}#export{width:100%;background:transparent;font-size:12px}.transport{margin-top:20px;padding:18px 25px}.transport-top{display:flex;justify-content:space-between;color:var(--teal);font-size:12px}.metrics{display:grid;grid-template-columns:repeat(5,1fr);margin-top:18px}.metrics div{padding-left:22px;border-left:1px solid var(--line)}.metrics div:first-child{padding-left:0;border:0}.metrics small{display:block;font-size:10px;letter-spacing:1px}.metrics b{display:block;margin-top:10px;font-size:23px;font-weight:400}.guidance{margin-top:20px;padding:24px;display:flex;justify-content:space-between;align-items:center;gap:50px}.guidance h2{margin:10px 0}.guidance p{margin:0;font-size:12px}.note{max-width:400px;color:var(--muted);font-size:11px;line-height:1.9}.data-panel{margin-top:24px;padding:20px;font-size:12px}summary{cursor:pointer;color:#b3c8cf}.data-actions{display:flex;gap:12px;align-items:center}.file-button{margin:0;cursor:pointer;background:#234653;padding:11px;border-radius:7px}input[type=file]{display:none}a{color:var(--teal)}footer{display:flex;justify-content:space-between;color:#627e8a;font-size:10px;letter-spacing:1px;padding:25px 0}.day-panel{padding:28px;overflow:auto}.day-panel h2{margin-bottom:10px}table{border-collapse:separate;border-spacing:6px;width:100%;font-size:11px}th{font-weight:400;color:var(--muted);white-space:nowrap}td button{width:100%;padding:12px 5px;font-size:10px;border:0;background:#214b49}td button.fail{background:#493a35;color:#f3bd90}button:focus-visible,summary:focus-visible{outline:2px solid var(--orange);outline-offset:3px}[hidden]{display:none!important}@media(max-width:1100px){.visuals{grid-template-columns:1fr}.sea-panel,.map-panel{min-height:350px}canvas{height:310px}.workspace{grid-template-columns:minmax(0,1fr) 280px}.heading{gap:20px}.brand span{display:none}}
.phase-panel{margin-top:20px;padding:24px}.phase-panel h2{margin-bottom:8px}.phase-panel th,.phase-panel td{text-align:left;padding:8px;border-bottom:1px solid var(--line)}.phase-panel td button{width:auto;padding:6px 9px}.phase-panel table{border-spacing:0}
.visuals{grid-template-columns:minmax(0,.92fr) minmax(0,1.25fr)}.map-panel canvas{height:460px}.legend{font-size:11px;gap:10px 14px}.violet{color:#d5b9ff}.map-credit{color:var(--muted);padding:0 15px 12px;text-align:right;font-size:10px}.forecast-controls{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.forecast-controls label{display:flex;align-items:center;gap:8px;margin:0}.forecast-controls select{margin:0;width:auto}.forecast-controls a{font-size:12px}.forecast-panel tr.highlight{background:#204846}.forecast-panel td button{color:#8fe1d0}.forecast-panel #forecastInfo{font-size:12px}.metrics #current{font-size:17px}.map-heading{font-variant-numeric:tabular-nums}@media(max-width:1100px){.visuals{grid-template-columns:1fr}.map-panel canvas{height:420px}}
@media(max-width:1100px){.map-panel{order:-1}}@media(max-width:840px){.workspace{grid-template-columns:minmax(0,1fr)}.visuals{grid-template-columns:minmax(0,1fr)}.sea-panel{min-height:340px}.map-panel canvas{height:430px}.heading{flex-wrap:wrap}.guidance{gap:16px;flex-wrap:wrap}}
.pace-help{margin:-7px 0 18px;padding:10px 12px;border-left:2px solid var(--teal);background:#0a1c26;border-radius:0 7px 7px 0}.pace-help p{font-size:11px;line-height:1.65;margin:0 0 9px}.pace-help b{color:#b6eee1}.pace-presets{display:grid;grid-template-columns:1fr 1fr;gap:5px}.pace-presets button{padding:6px 4px;font-size:10px}.pace-presets button[aria-pressed=true],.landmark-keys button[aria-pressed=true]{border-color:var(--teal);color:var(--teal);background:#16413e}
#landmarks{display:grid;gap:18px}.landmarks-intro{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px}.landmarks-intro h2{font-size:29px;margin:7px 0}.landmarks-intro p{margin:0}.resource-link{white-space:nowrap;padding:10px 12px;border:1px solid var(--line);border-radius:7px;text-decoration:none}.landmark-gallery .panel-title{align-items:center}.landmark-gallery .panel-title button{font-size:11px;padding:6px 9px}.skyline-figure{margin:0}.skyline-photo{position:relative;overflow:hidden;background:#0b1d27}.skyline-photo img{display:block;width:100%;height:auto}.photo-pin{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);width:30px;height:30px;padding:0;border-radius:50%;border:2px solid #e3f5ed;background:#11232fe8;color:#fff;box-shadow:0 0 0 4px #0e233777;font-weight:700}.photo-pin[aria-pressed=true]{background:var(--orange);color:#13232b;border-color:#fff0d7}.skyline-figure figcaption,.photo-credit{padding:8px 16px;font-size:11px;color:var(--muted);line-height:1.65}.landmark-keys{display:flex;gap:8px;flex-wrap:wrap;padding:12px 18px}.landmark-keys b{color:var(--orange);margin-right:4px}.landmark-detail{display:grid;grid-template-columns:minmax(150px,280px) 1fr;gap:20px;padding:8px 18px 20px;align-items:center}.landmark-crop{height:160px;border-radius:8px;background:#243d4a url('assets/skyline.jpg') no-repeat}.landmark-detail h3,.reference-card h3{font-size:17px;font-weight:600;margin:8px 0}.landmark-detail p{margin:0 0 12px}.reference-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.reference-card{padding:20px}.reference-card img{display:block;width:100%;height:auto;border-radius:7px;margin-top:14px}.reference-card .photo-credit{padding:0}.reference-links{display:flex;flex-wrap:wrap;gap:12px;font-size:12px}.reference-card p{margin:8px 0}.reference-card b{color:var(--text)}@media(max-width:740px){nav{gap:5px}nav button{padding:8px;font-size:12px}.landmarks-intro{align-items:flex-start;flex-direction:column}.reference-grid{grid-template-columns:1fr}}
.sea-stage{position:relative;background:#123443}.sea-stage canvas{height:420px}.sea-title{gap:10px;flex-wrap:wrap}.sea-caption{bottom:14px;left:12px;right:auto;max-width:calc(100% - 24px);padding:7px 9px;pointer-events:none}.sea-hud{position:absolute;inset:12px 12px auto;display:flex;justify-content:space-between;gap:6px;pointer-events:none}.sea-hud span{background:#0c2636de;border:1px solid #719caa62;border-radius:5px;padding:5px 7px;font-size:10px;font-variant-numeric:tabular-nums;color:#f0f7f5}.sea-tools{display:flex;gap:6px;flex-wrap:wrap;padding:10px 12px 0}.sea-tools button{font-size:11px;padding:6px 8px}.sea-tools button[aria-pressed=true]{color:var(--teal);border-color:var(--teal)}.sea-note{font-size:11px;margin:8px 12px 12px}.sea-note button{display:inline;padding:0;border:0;background:transparent;color:var(--teal);font-size:inherit;text-decoration:underline}.sea-expanded{position:fixed;inset:16px;z-index:10;display:flex;flex-direction:column;min-height:0;box-shadow:0 0 0 100vmax #06121be6}.sea-expanded .sea-stage{flex:1;min-height:0}.sea-expanded .sea-stage canvas{height:100%}.sea-expanded .sea-note{margin-bottom:10px}@media(max-width:1100px){.sea-stage canvas{height:350px}.sea-expanded .sea-stage canvas{height:100%}}
.landmark-actions{display:grid;gap:8px}.landmark-actions button{font-size:12px;text-align:left}.east-intro{padding:0 18px 12px}.east-intro h3{font-size:20px;margin:4px 0 5px}.east-intro p,.east-note{font-size:12px;margin:0}.east-note{padding:0 18px 18px}.east-crop{background-image:url('assets/harbour-east.jpg');background-size:355%}.landmark-gallery .panel-title a{letter-spacing:0}
.map-references{display:flex;flex-wrap:wrap;gap:7px;padding:0 15px 10px}.map-references button{font-size:11px;padding:5px 8px;color:#dcdbff}.sea-source{font-size:10px;color:var(--muted);padding:0 12px 9px}.sea-expanded .sea-source{padding-bottom:12px}
.map-references a{align-self:center;font-size:11px}.photo-dialog{width:min(760px,calc(100vw - 36px));padding:0;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text)}.photo-dialog::backdrop{background:#071219dd}.photo-dialog .panel-title{align-items:center;gap:12px}.photo-dialog img{display:block;width:100%;height:auto;max-height:58vh;object-fit:contain;background:#0a1c26}.photo-dialog p{margin:8px 16px}.photo-dialog .photo-credit{padding:0}
.course-source{font-size:10px;margin:0 15px 8px;line-height:1.5}
.map-buildings{padding:0 15px 9px}.map-building-title{display:flex;justify-content:space-between;gap:8px;align-items:center;margin:2px 0 7px}.map-building-title strong{font-size:12px}.map-building-title small{font-size:10px;color:var(--muted)}#mapBuildingList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}#mapBuildingList button{display:flex;align-items:center;gap:5px;text-align:left;padding:5px 6px;font-size:10px;min-width:0}#mapBuildingList button b{border:1px solid #d8c5ff;color:#d8c5ff;border-radius:50%;width:16px;height:16px;display:grid;place-items:center;flex:none}#mapBuildingList button span{min-width:0}#mapBuildingList button output{margin-left:auto;font-size:10px;flex:none;color:var(--muted);font-variant-numeric:tabular-nums}#mapBuildingList button.auto-ref{border-color:#9b805b}#mapBuildingList button[aria-pressed=true]{border-color:var(--orange);background:#3d332a}#mapBuildingList button.auto-ref b,#mapBuildingList button[aria-pressed=true] b{color:var(--orange);border-color:var(--orange)}.compare-dialog{width:min(1050px,calc(100vw - 30px));max-height:calc(100vh - 30px)}

.panorama-panel .panel-title{gap:10px;align-items:center}
.panorama-guide{padding:0 16px 16px}
.panorama-guide .panorama-intro{margin:10px 0 14px;font-size:12px}
.panorama-frames{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:12px}
.panorama-frames figure{margin:0;min-width:0}
.panorama-frame-label{display:flex;flex-wrap:wrap;align-items:baseline;gap:5px 9px;padding:8px 10px;background:#152e3b;border-radius:8px 8px 0 0;font-size:12px}
.panorama-frame-label span,.panorama-frames figcaption{color:var(--muted);font-size:11px}
.panorama-frames figcaption{margin:6px 0;line-height:1.5}
.panorama-window{overflow:hidden;background:#112632;border-radius:0 0 8px 8px}
.panorama-image{position:relative;isolation:isolate}
.panorama-west .panorama-image{margin:-5.5% 0 -14%}
.panorama-image img,.compare-dialog .panorama-image img{display:block;width:100%;height:auto;max-height:none}
.panorama-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.panorama-lines path{fill:none;stroke:#fff4db;stroke-width:1.5;vector-effect:non-scaling-stroke;filter:drop-shadow(0 0 1px #0a1822)}
.panorama-lines path.selected{stroke:var(--orange);stroke-width:2.5}
.panorama-pin,.panorama-keys b{display:grid;place-items:center;border-radius:50%;background:#102634;color:#fff4db;font-weight:700}
.panorama-pin{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);width:26px;height:26px;padding:0;border:1px solid #fff4db;box-shadow:0 0 0 2px #10263488;font-size:12px}
.panorama-pin[aria-pressed=true],.panorama-keys button[aria-pressed=true] b{background:var(--orange);color:#16242e;border-color:var(--orange)}
.panorama-keys{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;list-style:none;padding:0;margin:11px 0}
.panorama-keys button{display:flex;align-items:center;gap:8px;width:100%;height:100%;padding:6px 8px;text-align:left;font-size:12px}
.panorama-keys button[aria-pressed=true]{border-color:var(--orange)}
.panorama-keys b{width:19px;height:19px;flex:none;border:1px solid #ddd0b7}
.panorama-detail{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 12px;padding:10px 12px;background:#0b202b;border-radius:8px;font-size:12px;line-height:1.6}
.panorama-detail b{color:var(--orange)}
.panorama-detail span{color:var(--text);flex:1 1 285px}
.panorama-detail button{padding:4px 8px;font-size:11px}
@media(max-width:740px){.panorama-frames{grid-template-columns:1fr}.panorama-keys{grid-template-columns:repeat(2,minmax(0,1fr))}}

.start-flow-presets{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.start-flow-presets button{padding:6px 10px;font-size:12px}
.start-flow-presets button[aria-pressed=true]{border-color:var(--teal);color:var(--teal)}
#startFlowReadout{padding:9px 12px;border-left:2px solid var(--teal);background:#0b202b;color:var(--text)}

#seaLoadStatus{position:absolute;inset:48px 15px auto;z-index:3;padding:12px;background:#102b3bec;color:#d9edf2;border-radius:8px;font-size:12px;pointer-events:none}.sea-hud,.sea-caption{z-index:4}

/* Phone layouts and comfortable touch controls. */
.mobile-jumps{display:none}.table-scroll,#matrix{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}.table-scroll:focus-visible{outline:2px solid var(--teal)}
#seaLoadButton{position:absolute;z-index:5;top:150px;left:50%;transform:translateX(-50%);min-height:44px;background:var(--teal);color:#09232b;font-weight:600;white-space:nowrap}
body.sea-is-expanded{overflow:hidden}.workspace>* ,.visuals>*{min-width:0}
@media(max-width:900px){
  html{scroll-padding-top:125px}body{font-size:14px}header{height:auto;min-height:106px;padding:12px max(14px,env(safe-area-inset-left)) 0;flex-wrap:wrap;gap:8px;position:sticky;top:0;z-index:8;background:#09171ff5}
  .brand{font-size:22px;white-space:nowrap}.brand span,header>.date{display:none}nav{width:100%;gap:0;display:grid;grid-template-columns:repeat(3,1fr)}nav button{min-height:44px;font-size:14px;padding:10px 4px}
  main{padding:20px max(12px,env(safe-area-inset-left)) max(20px,env(safe-area-inset-bottom))}h1{font-size:29px;margin:10px 0}.heading{display:block;margin-bottom:18px}.heading p{font-size:13px}.badge{display:inline-block;margin-top:14px;font-size:11px}.heading small{font-size:10px}
  .mobile-jumps{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:14px}.mobile-jumps a{display:grid;place-items:center;min-height:44px;background:#142e3a;border:1px solid var(--line);border-radius:8px;text-decoration:none}
  .workspace,.visuals{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}.map-panel{order:0}.sea-panel{order:-1;min-height:0}.map-panel{min-height:0}.sea-stage canvas{height:300px}.map-panel canvas{height:370px}
  .panel-title{padding:14px;gap:8px;flex-wrap:wrap}.sea-tools{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.sea-tools button{min-height:44px;padding:7px 3px;font-size:12px}.sea-tools #lookEast{grid-column:span 2}.sea-tools #seaPlay{background:#22534c}.sea-note{line-height:1.7}.sea-note button{min-height:36px}
  .sea-hud{inset:10px 8px auto}.sea-hud span{font-size:9px;padding:5px}.sea-caption{font-size:11px}.controls,.phase-panel,.data-panel,.day-panel,.reference-card,.landmarks-intro{padding:16px}.controls h2{margin-bottom:18px}
  button{min-height:44px;touch-action:manipulation}input[type=time],select{font-size:16px;min-height:44px;min-width:0}input[type=range]{height:30px;margin-top:8px;touch-action:pan-y}.pace-presets button{font-size:12px;min-height:44px}.pace-help p,.hint{font-size:12px}.two{gap:10px;min-width:0}.two>*{min-width:0}.playback button{font-size:12px}
  .transport{padding:16px;margin-top:14px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 10px}.metrics div{padding-left:10px}.metrics b{font-size:21px;overflow-wrap:anywhere}.metrics div:nth-child(odd){border-left:0;padding-left:0}.metrics div:last-child{grid-column:1/-1}.guidance{padding:16px;margin-top:14px;display:block}.note{max-width:none;margin-top:16px;font-size:12px}
  .phase-panel{margin-top:14px}.phase-panel table{min-width:510px}.start-flow table{min-width:420px}.phase-panel td button{min-height:44px}.forecast-controls{gap:12px}.forecast-controls label{flex-wrap:wrap}.forecast-controls select{width:100%;max-width:100%}#matrix table{min-width:1600px}#matrix th:first-child{position:sticky;left:0;background:var(--panel);z-index:1;min-width:90px}
  .map-building-title{flex-wrap:wrap}#mapBuildingList button{min-height:44px;font-size:11px}#mapBuildingList button output{font-size:9px}.map-references button{min-height:44px}.landmarks-intro h2{font-size:24px}.landmark-detail{grid-template-columns:1fr;gap:12px}.landmark-crop{height:190px}.landmark-keys{gap:6px;padding:12px}.landmark-keys button{font-size:12px}.resource-link{white-space:normal}.reference-grid,.panorama-frames{grid-template-columns:1fr}.panorama-keys{grid-template-columns:repeat(2,minmax(0,1fr))}.panorama-keys button{min-height:44px;font-size:11px}.photo-pin,.panorama-pin{min-height:0;touch-action:manipulation}
  .data-actions{display:grid;gap:8px}.file-button{min-height:44px;text-align:center}footer{flex-direction:column;gap:8px;line-height:1.7}.photo-dialog{width:calc(100vw - 20px);max-height:90dvh;overflow:auto}
  .sea-expanded{inset:0;border-radius:0;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);height:100dvh}.sea-expanded .sea-stage{flex:1;min-height:140px}.sea-expanded .sea-stage canvas{height:100%}.sea-expanded .sea-note,.sea-expanded .sea-source{display:none}.sea-expanded .sea-tools{padding-bottom:12px}.sea-expanded .sea-title{padding:10px 12px}
}
@media(max-height:500px) and (orientation:landscape){.sea-expanded .sea-tools{display:flex;flex-wrap:nowrap;overflow-x:auto;flex-shrink:0}.sea-expanded .sea-tools button{white-space:nowrap;min-width:60px}.sea-expanded .sea-note,.sea-expanded .sea-source{display:none}}

/* Visual refresh: editorial hierarchy, quiet surfaces, tactile controls.
   Layout order, content, canvas rendering and behavior remain unchanged. */
:root{--bg:#101c22;--panel:#15262e;--line:#35474e;--text:#f4f2e9;--muted:#a9b8bb;--teal:#91dfcc;--orange:#ffd080;--radius:6px;--button-bg:#243a43;--button-edge:#0b151a}
body{font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
header{border-bottom-color:var(--line)}
.brand{color:var(--text);font-size:23px;font-weight:750;letter-spacing:-.5px}
.brand span,.date{font-size:11px;font-weight:500;letter-spacing:1px}
main{padding-top:42px}
.heading{gap:24px;margin-bottom:32px;padding-bottom:30px;border-bottom:1px solid var(--line)}
.heading small{color:var(--orange);font-weight:700;letter-spacing:2.4px}
h1{font-size:clamp(40px,4.5vw,68px);font-weight:850;line-height:1.13;letter-spacing:-2px;margin:16px 0 20px;color:var(--text)}
.heading p{font-size:15px;max-width:680px;line-height:1.9}
.badge{border:0;border-left:3px solid var(--orange);border-radius:0;background:#263239;color:var(--orange);padding:12px 16px;flex-shrink:0;font-size:12px;font-weight:600}
h2{font-size:24px;font-weight:750;line-height:1.35;letter-spacing:-.5px}
small{font-weight:600;letter-spacing:1.4px}
.panel{border-radius:var(--radius);box-shadow:none}
.panel-title{padding:18px 20px;font-size:12px;font-weight:650;letter-spacing:.5px;color:var(--text);border-bottom:1px solid var(--line)}
.controls{padding:24px;border-top:4px solid var(--orange)}
.controls h2{font-size:25px;margin:8px 0 26px}
label{font-size:13px;color:#d0d9d9;font-weight:550;margin-bottom:20px}
input[type=time],select{background:#101e25;border-color:#506168;border-radius:var(--radius);padding:11px 12px;min-height:44px;margin-top:8px;font-weight:500}
input[type=range]{accent-color:var(--teal)}
output{font-weight:700;font-variant-numeric:tabular-nums}
.hint,.pace-help p,.sea-note{font-size:12px;line-height:1.8}
.pace-help{background:transparent;padding:0 0 0 12px;border-radius:0;margin-bottom:24px}
.pace-help b{color:var(--text)}
button,.resource-link,.file-button{border-radius:var(--radius);font-weight:600;transition:background-color .15s,border-color .15s,box-shadow .15s,translate .1s}
button{background:var(--button-bg);border-color:#4a5e66;box-shadow:0 2px 0 var(--button-edge)}
button:not(:disabled):hover,.resource-link:hover,.file-button:hover{background:#304c56;border-color:#a9c7ca}
button:not(:disabled):active,.resource-link:active,.file-button:active{translate:0 2px;box-shadow:none}
button:disabled,select:disabled,input:disabled{opacity:.42;cursor:not-allowed;box-shadow:none}
button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}
.primary,#seaLoadButton{background:var(--orange);color:#192329;border:1px solid var(--orange);box-shadow:0 4px 0 #9e713b;font-weight:750;min-height:46px}
.primary:not(:disabled):hover,#seaLoadButton:not(:disabled):hover{background:#ffdda2;border-color:#ffdda2}
.primary:not(:disabled):active,#seaLoadButton:not(:disabled):active{translate:0 3px;box-shadow:0 1px 0 #9e713b}
nav{gap:16px}nav button{box-shadow:none;font-size:14px;font-weight:650;padding:14px 18px;border-bottom:3px solid transparent}
nav button.active{color:var(--text);border-bottom:3px solid var(--orange)}
nav button:not(:disabled):hover{background:#1c3039;border-color:transparent;border-bottom-color:var(--orange)}
nav button:active{translate:none}
#export,.sea-note button{box-shadow:none;background:transparent;color:var(--teal)}
#export{border-color:transparent;text-decoration:underline;text-underline-offset:4px}
.sea-note button:not(:disabled):hover{background:transparent;color:var(--text)}
.pace-presets{gap:8px}.pace-presets button{font-size:11px;min-height:36px}
button[aria-pressed=true]{font-weight:750}
.sea-tools{gap:8px;padding-top:14px}.sea-tools button{min-height:34px}
.sea-hud span,.sea-caption{border-radius:3px}
.transport{padding:24px;margin-top:24px}
.transport-top{font-weight:650}.metrics{margin-top:22px}.metrics small{font-size:11px;letter-spacing:.4px}.metrics b{font-size:28px;font-weight:700;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.metrics #current{font-size:18px}
.guidance,.phase-panel,.data-panel{background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;padding:28px 0;margin-top:28px}
.guidance h2{font-size:30px;color:var(--orange)}
.guidance p,.note{font-size:13px;line-height:1.9}
.phase-panel>p,.day-panel>p{font-size:14px;max-width:1000px}
table{font-size:13px}th{font-weight:650;color:#c4d0d1}.phase-panel th,.phase-panel td{padding:13px 12px}
.phase-panel th{background:#1d3038}.phase-panel td button{font-size:12px}
.forecast-panel tr.highlight{background:#26453f}
.start-flow-presets{gap:8px;margin:16px 0}
#startFlowReadout{padding:14px 16px;background:#1b3036}
.map-buildings{padding-top:12px}.map-building-title{margin-bottom:12px}
#mapBuildingList{gap:0 12px}
#mapBuildingList button{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;padding:9px 2px;font-size:11px}
#mapBuildingList button[aria-pressed=true]{background:#3d332a;border-bottom-color:var(--orange)}
#mapBuildingList button b{border-radius:3px}
.map-references{padding-top:12px;gap:10px}
.legend{padding-top:10px}.course-source,.map-credit,.sea-source{font-size:11px;line-height:1.7}
.landmarks-intro{padding:28px 0;background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}
.landmarks-intro h2{font-size:38px;font-weight:800;letter-spacing:-1px}
.landmark-detail h3,.reference-card h3{font-size:22px;font-weight:750}
.reference-card{background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;padding:24px 0}
.reference-card img,.landmark-crop{border-radius:4px}
.landmark-keys button,.panorama-keys button{font-size:12px;padding:9px 10px}
.panorama-detail{border-radius:4px;padding:14px 16px}
.photo-pin,.panorama-pin{box-shadow:0 0 0 2px #10263488}
.photo-pin:active,.panorama-pin:active{translate:none}
a{text-underline-offset:3px}a:hover{color:var(--text)}
footer{font-size:11px;color:var(--muted);border-top:1px solid var(--line);line-height:1.8}
@media(max-width:900px){
 header{background:#101c22}.brand{font-size:21px}nav{gap:0}nav button{padding:10px 4px;font-size:14px}
 main{padding-top:26px}.heading{padding-bottom:24px;margin-bottom:20px}.heading small{font-size:10px;letter-spacing:2px}
 h1{font-size:42px;letter-spacing:-1.5px;margin:14px 0 18px}.heading p{font-size:14px}.badge{margin-top:18px;font-size:11px;padding:10px 12px}
 .mobile-jumps{gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:20px}
 .mobile-jumps a{background:transparent;border:0;border-right:1px solid var(--line);border-radius:0;font-size:13px;font-weight:650}.mobile-jumps a:last-child{border-right:0}
 .panel-title{padding:16px 14px;font-size:11px}.controls{padding:20px}.controls h2{font-size:26px}
 .sea-tools button,.pace-presets button{min-height:44px}.sea-tools #seaPlay{background:#30594f}
 .transport{padding:20px 16px}.metrics b{font-size:26px}.metrics{gap:20px 12px}
 .guidance,.phase-panel,.data-panel{padding:24px 4px;margin-top:22px}.guidance h2{font-size:26px}.note{font-size:12px}
 .landmarks-intro{padding:20px 4px}.landmarks-intro h2{font-size:32px}.reference-card{padding:20px 4px}.day-panel{padding:20px 14px}
 .landmark-detail h3,.reference-card h3{font-size:21px}.panorama-keys button{font-size:12px}
 #mapBuildingList button{min-height:44px}.sea-note{font-size:12px}
}
@media(prefers-reduced-motion:reduce){button,.resource-link,.file-button{transition:none}}

/* Harbour neon: ocean blue, electric mint, hot pink and acid yellow. */
:root{color-scheme:dark;--bg:#071b38;--panel:#102c50;--line:#28486d;--text:#f4f1e8;--muted:#b0c5db;--teal:#35f3da;--orange:#ffb954;--radius:12px;--button-bg:#20436a;--button-edge:#081b35;--pool:#35f3da;--coral:#ff62b4;--sun:#dcff6b}
header{background:#081b35;border-bottom:1px solid #28486d}.brand{color:#35f3da}
.heading{background:#144f87;border:0;border-radius:20px;padding:28px 30px;margin-bottom:28px}
.heading small{color:#56ffe0}h1{color:#fff7e8}.heading p{color:#d0e9fb}
.badge{background:#dfff6c;color:#24391a;border:0;border-radius:8px;box-shadow:0 3px 0 #829d2e}
.panel{border-color:#28486d}.panel-title{background:#123c63;color:#c0fff4;border-bottom-color:#28486d}
.sea-title{background:#12476d}.map-panel>.panel-title{background:#38457c}
.controls{border:1px solid #345378;background:#102c50;border-top:5px solid var(--coral)}
.controls>small{color:#ff91cf}label{color:#c6d9ed}
input[type=time],select{background:#1c4068;color:#f4f1e8;border:2px solid transparent;border-radius:10px;box-shadow:inset 0 -2px 0 #091b36}
input[type=time]:hover,select:not(:disabled):hover{background:#29567e}
input[type=time]:focus,select:focus{border-color:#35f3da}
button,.resource-link,.file-button{background:#20436a;color:#e0edff;border:1px solid transparent;border-radius:10px;box-shadow:0 3px 0 #081b35}
button:not(:disabled):hover,.resource-link:hover,.file-button:hover{background:#2d5781;border-color:transparent;color:#ffffff}
button:not(:disabled):active{translate:0 2px;box-shadow:0 1px 0 #081b35}
.primary,#seaLoadButton{background:#ff62b4;color:#34132c;border-color:transparent;box-shadow:0 4px 0 #922d73}
.primary:not(:disabled):hover,#seaLoadButton:not(:disabled):hover{background:#ff8ecb;border-color:transparent}
.primary:not(:disabled):active,#seaLoadButton:not(:disabled):active{box-shadow:0 1px 0 #922d73}
button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline-color:#dcff6b}
button:disabled,select:disabled,input:disabled{opacity:.5}
nav button{background:transparent;color:#b0c5db;box-shadow:none;border:0;border-radius:10px}
nav button.active,nav button.active:not(:disabled):hover{background:#35f3da;color:white;border:0;box-shadow:0 3px 0 #117d7b}
nav button:not(:disabled):hover{background:#224a75;border:0;color:#e9f5ff}
.pace-help{border-color:#35f3da;background:#143c5c;border-radius:8px;padding:12px}.pace-help b{color:#b6ffe9}
.pace-presets button,.start-flow-presets button,.landmark-keys button,.panorama-keys button,.sea-tools button{border:1px solid transparent;background:#20436a;color:#dceaff;box-shadow:0 3px 0 #081b35}
.pace-presets button[aria-pressed=true],.start-flow-presets button[aria-pressed=true],.landmark-keys button[aria-pressed=true],.panorama-keys button[aria-pressed=true],.sea-tools button[aria-pressed=true]{background:#35f3da;color:#fff;border-color:transparent;box-shadow:0 3px 0 #117d7b}
.pace-presets button[aria-pressed=true]:hover,.start-flow-presets button[aria-pressed=true]:hover,.landmark-keys button[aria-pressed=true]:hover,.panorama-keys button[aria-pressed=true]:hover,.sea-tools button[aria-pressed=true]:hover{background:#78ffe8;color:#fff}
.landmark-keys b{color:inherit}.panorama-keys b{background:#bca1ff;border:0;color:#342450}.panorama-keys button[aria-pressed=true] b{background:white;color:#35f3da}
.transport{background:#113e62;border-color:#27597c}.transport-top{color:#65ffe1}.metrics b{color:#f8f3e9}.metrics small{color:#b5d0e3}
.guidance h2{color:#ff82c6}.guidance>div>small{color:#ffaddb}
th{color:#c0d3e9}.phase-panel th{background:#183a60}.forecast-panel tr.highlight{background:#175463}
td button,.forecast-panel td button{background:#235471;color:#bffff1;box-shadow:0 2px 0 #0a263c}td button.fail{background:#653553;color:#ffd3e8}
#startFlowReadout{background:#334775;border-color:#dfff6c;color:#f6f4cf}
#mapBuildingList{gap:6px 10px}#mapBuildingList button{background:#1b3b60;color:#d9e9fa;border:0;border-radius:8px;padding:9px 7px;box-shadow:0 2px 0 #0a1f39}
#mapBuildingList button b{background:#bca1ff;color:#33204d;border:0;border-radius:5px}
#mapBuildingList button.auto-ref{background:#394c72}
#mapBuildingList button.auto-ref b{background:#dcff6b;color:#283d1a}
#mapBuildingList button[aria-pressed=true]{background:#35f3da;color:white;border:0;box-shadow:0 2px 0 #117d7b}
#mapBuildingList button[aria-pressed=true] b{background:white;color:#35f3da;border:0}
#mapBuildingList button[aria-pressed=true] output{color:#fff}
.map-references button{color:#33204d;background:#3a3972;box-shadow:0 3px 0 #1d1d46}
.legend .violet{color:#c8a6ff}.legend .orange{color:#ffc66b}.legend .teal{color:#35f3da}
#export,.sea-note button{color:#35f3da;background:transparent;box-shadow:none}#export:hover,.sea-note button:not(:disabled):hover{color:#80ffed;background:#163f60}
.sea-stage{background:#123e65}.sea-hud span{background:#092440ed;color:#d8f3ff;border:0;box-shadow:0 1px 3px #030f2555}
.sea-caption{background:#092440dc;color:#d8f3ff}.dot{background:#ff80bd}
#seaLoadStatus{background:#103759ef;color:#d8f3ff}
.sea-tools #seaPlay{background:#35f3da;color:#073d40;box-shadow:0 3px 0 #117d7b}
.panorama-frame-label{background:#203e65}.panorama-detail{background:#394c72;color:#f4edcf}.panorama-detail b{color:#dcff6b}
.panorama-pin,.photo-pin{background:#fff4db;color:#18334e;border-color:#fff;box-shadow:0 2px 0 #163b4755}
.panorama-pin[aria-pressed=true],.photo-pin[aria-pressed=true]{background:#dcff6b;color:#253818;border-color:white}
.panorama-lines path.selected{stroke:#dcff6b}
.photo-dialog{background:#081b35}.photo-dialog::backdrop{background:#020d25c9}
summary{color:#c5e0f0}.file-button{background:#234e71}.resource-link{color:#85ffdf}
a{color:#55f4df}a:hover{color:#ff97d0}
.mobile-jumps{border-color:#28486d}.mobile-jumps a{background:#12516d;color:#78ffe8;border:0;border-radius:8px}.mobile-jumps a:nth-child(2){background:#38457c;color:#e4ff85}.mobile-jumps a:nth-child(3){background:#59335f;color:#ffb9e0}.mobile-jumps a:nth-child(4){background:#38386f;color:#d6c4ff}
@media(max-width:900px){header{background:#081b35}nav{padding-bottom:8px;gap:5px}nav button{font-size:13px}.heading{padding:22px 18px;border-radius:16px}.heading h1{font-size:38px}.mobile-jumps{gap:6px;border:0}.mobile-jumps a{border:0}.controls{padding:20px}.sea-tools #seaPlay{background:#35f3da}.panel-title{border-color:#28486d}}

/* Dark ink on luminous selected surfaces keeps labels readable. */
nav button.active,nav button.active:not(:disabled):hover,
.pace-presets button[aria-pressed=true],.start-flow-presets button[aria-pressed=true],.landmark-keys button[aria-pressed=true],.panorama-keys button[aria-pressed=true],.sea-tools button[aria-pressed=true],
.pace-presets button[aria-pressed=true]:hover,.start-flow-presets button[aria-pressed=true]:hover,.landmark-keys button[aria-pressed=true]:hover,.panorama-keys button[aria-pressed=true]:hover,.sea-tools button[aria-pressed=true]:hover,
#mapBuildingList button[aria-pressed=true],#mapBuildingList button[aria-pressed=true] output{color:#073b40}
#mapBuildingList button[aria-pressed=true] b,.panorama-keys button[aria-pressed=true] b{background:#073b40;color:#7affdf}
.map-references button{color:#e4d5ff}
.primary,#seaLoadButton{box-shadow:0 4px 0 #922d73,0 0 18px #ff62b41a}
.heading{box-shadow:inset 0 -4px 0 #2285b5}