@import"https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400..700&family=Manrope:wght@400;500;600;650;700;750;800&display=swap";.sailing-track{margin:22px 0;min-width:0}.sailing-track figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-bottom:10px}.sailing-track figcaption span{opacity:.75}.sailing-track canvas{display:block;width:100%;height:auto;aspect-ratio:20 / 13;border:1px solid #527579;border-radius:12px}.sailing-track-legend{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:10px;font-size:calc(12px * var(--text-scale, 1))}.sailing-track-start,.sailing-track-route{color:#74ead5}.sailing-track-end{color:#f4c87b}:root{font-family:DM Sans,sans-serif;color:#e9eeeb;background:#102833;font-synthesis:none;font-weight:400;color-scheme:dark;--muted:#8ba1a8;--line:#ffffff13;--gold:#ecc78e;--navy:#102b36}*{box-sizing:border-box}body{margin:0}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button{color:inherit;background:none;border:0}button:focus-visible,a:focus-visible{outline:2px solid var(--gold);outline-offset:4px}button:hover{color:#ffe3b0}a{color:inherit;text-decoration:none}svg{flex-shrink:0}button svg{vertical-align:middle}.topbar{height:86px;display:flex;align-items:center;padding:0 32px;border-bottom:1px solid var(--line);gap:25px;background:#102b36}.brand{display:flex;align-items:center;gap:12px;font-family:Manrope,sans-serif;font-weight:800;font-size:calc(31px * var(--text-scale,1));letter-spacing:4px}.brand>svg{width:34px;height:34px;color:#f2cf98}.brand-dot{color:var(--gold)}.brand-caption{font-size:calc(11px * 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86px)}.sidebar{display:flex;flex-direction:column;border-right:1px solid var(--line);background:linear-gradient(145deg,#173540,#102b36);padding:30px 0 0}.sidebar-heading{padding:0 26px}.eyebrow{color:var(--gold);font-size:calc(11px * var(--text-scale,1));letter-spacing:1.9px;font-weight:600}.sidebar h1{font-family:Manrope,sans-serif;font-weight:500;letter-spacing:-1.2px;font-size:calc(32px * var(--text-scale,1));line-height:1.32;margin:15px 0}.sidebar p{font-size:calc(12px * var(--text-scale,1));line-height:1.9;color:var(--muted);margin:0}.course-progress{padding:27px 26px 18px}.course-progress>div:first-child{display:flex;justify-content:space-between;font-size:calc(11px * var(--text-scale,1));font-weight:500;color:#a3b5b8}.course-progress>div:first-child>span:last-child{color:var(--gold)}.progress-track{height:3px;background:#ffffff10;margin-top:12px;border-radius:3px}.progress-track>div{height:100%;background:var(--gold);transition:width .5s}.lesson-list{display:flex;flex-direction:column}.lesson-row{padding:18px 20px 18px 25px;display:flex;align-items:center;gap:13px;text-align:left;position:relative}.lesson-row.current{background:#ffffff06}.lesson-row.current:before{position:absolute;content:"";left:0;top:0;bottom:0;width:2px;background:var(--gold)}.lesson-index{width:28px;height:28px;display:grid;place-items:center;border:1px solid #ffffff18;border-radius:50%;font-size:calc(11px * var(--text-scale,1));font-weight:500;color:#7d979f}.lesson-index svg{width:14px}.current .lesson-index{background:var(--gold);border-color:var(--gold);color:#203640}.complete .lesson-index{color:#c3dabc}.lesson-row>span:nth-child(2){flex:1}.lesson-row strong{font-size:calc(12px * var(--text-scale,1));font-weight:500;display:block;color:#bdcccf}.current strong{color:#f3e6d3}.lesson-row small{font-size:calc(11px * 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#f4d399;outline-offset:3px}@container (max-width:850px){.simulator .control-dock.cockpit-controls .cockpit-control-groups{grid-template-columns:repeat(3,minmax(0,1fr))}}@container (max-width:590px){.simulator .control-dock.cockpit-controls .cockpit-control-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 6px}.simulator .control-dock.cockpit-controls .cockpit-control-group{padding-inline:7px}.simulator .control-dock.cockpit-controls .cockpit-group-anchor{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;align-items:center}.simulator .control-dock.cockpit-controls .cockpit-group-anchor #anchor{grid-column:2;grid-row:2}.simulator .control-dock.cockpit-controls .cockpit-group-anchor .cockpit-rode-paid{grid-column:1;grid-row:2}}html[data-large-text] .simulator .control-dock.cockpit-controls .cockpit-control-groups{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:900px){html[data-large-text] .simulator .control-dock.cockpit-controls 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env(safe-area-inset-bottom));overflow:auto;overscroll-behavior:contain;z-index:50}html[data-text-size] .systems-drawer .vessel-tabs{max-height:none}html[data-text-size] #systems-close{position:sticky;display:block;margin-inline-start:auto;top:0;width:44px;height:44px;margin-bottom:-44px;background:#163643}html[data-text-size] #toast{bottom:max(80px,env(safe-area-inset-bottom));width:calc(100% - 24px);max-width:480px}html[data-text-size] dialog{width:calc(100vw - 20px);max-height:calc(100dvh - 24px);padding:48px 18px 24px;overflow:hidden}#modal-content{max-height:calc(100dvh - 98px);overflow:auto;overscroll-behavior:contain}html[data-text-size] .modal-close{min-width:44px;min-height:44px}.lesson-reader{min-height:100dvh}}@media(max-width:600px){html[data-large-text] .mobile-control-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){body[data-session=active] .mobile-scene-toolbar{grid-template-rows:minmax(max(48px,var(--mobile-indicators-height, 60px)),auto) auto}body[data-session=active] #mobile-menu-toggle{grid-column:1;grid-row:1;align-self:center}body[data-session=active] .mobile-indicators{inset-block-start:max(12px,env(safe-area-inset-top));inset-inline-start:calc(max(12px,env(safe-area-inset-left)) + 56px);gap:6px}body[data-session=active] .mobile-indicators>div{padding:7px 8px}body[data-session=active] #mobile-lesson-toggle{grid-column:1 / -1;grid-row:2;justify-self:right;width:min(290px,100%)}body[data-session=active] .simulator:has(.control-dock[aria-disabled=false]) #challenge-hud{inset-block-start:calc(max(12px,env(safe-area-inset-top)) + var(--mobile-toolbar-height, 48px) + 12px)}body[data-session=active] .simulator:has(.control-dock[aria-disabled=false]) #race-hud{--race-hud-top: calc(max(12px, env(safe-area-inset-top)) + var(--mobile-toolbar-height, 48px) + 12px)}}@media(max-width:900px)and (max-height:500px)and (orientation:landscape){.mobile-scene-toolbar,.mobile-indicators{inset-inline-end:calc(max(12px,env(safe-area-inset-right)) + 136px + 32px * (var(--text-scale, 1) - 1))}.mobile-lesson-title{font-size:calc(20px * var(--text-scale, 1))}.mobile-lesson-description{-webkit-line-clamp:2}}#scene-compass{display:none;flex:none;align-self:flex-end;box-sizing:border-box;width:min(100%,calc(158px + 32px * (var(--text-scale, 1) - 1)));padding:14px 12px 12px}#scene-compass:not([hidden]){display:block}#scene-compass>.instrument-label{display:none}#scene-compass .wind-dial{display:block;width:112px;height:112px;margin:0 auto 10px}#scene-compass .wind-dial>span{line-height:1;text-align:center;background:transparent}#scene-compass .dial-angle{display:block;font-size:8px;font-weight:500;line-height:1;letter-spacing:0;font-variant-numeric:tabular-nums;color:#a6bdc3;pointer-events:none}#scene-compass small.dial-angle{margin-top:2px}#scene-compass .wind-dial>.dial-angle{transform:translate(-50%,-50%)}#scene-compass .dial-ne{left:76%;top:24%}#scene-compass .dial-se{left:76%;top:76%}#scene-compass .dial-sw{left:24%;top:76%}#scene-compass .dial-nw{left:24%;top:24%}#scene-compass .dial-n,#scene-compass .dial-s{left:50%;transform:translate(-50%)}#scene-compass .dial-e,#scene-compass .dial-w{top:50%;transform:translateY(-50%)}#scene-compass #wind-arrow{width:calc(100% - 8px);height:calc(100% - 8px)}#scene-compass .dial-boat{left:calc(50% - 8.5px);top:calc(50% - 14px)}#scene-compass .wind-value{margin-top:0}#scene-compass .wind-speed-icon{width:18px;height:18px;align-self:center;color:#bbd1d5}#scene-compass .wind-value strong{font-size:calc(20px * var(--text-scale, 1))}html[data-large-text] #scene-compass .wind-value,html[data-large-text] #scene-compass .point-of-sail,.compass-dock-targets{display:none}@media(max-width:900px){.simulator .scene-tools{position:absolute;inset-block-start:calc(max(12px,env(safe-area-inset-top)) + var(--mobile-toolbar-height, 48px) + 12px);inset-inline-end:max(12px,env(safe-area-inset-right));display:flex;flex-direction:column;align-items:flex-end;max-width:calc(100% - 24px);z-index:5}#scene-compass{position:absolute;left:0;top:0;width:calc(124px + 32px * (var(--text-scale, 1) - 1));padding:10px;z-index:5;transform:translate(var(--compass-x, 12px),var(--compass-y, 144px));pointer-events:auto;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;cursor:grab}#scene-compass:after{content:"";display:block;width:24px;height:3px;margin:8px auto -3px;border-radius:2px;background:#95adb480}#scene-compass:focus-visible{outline:2px solid var(--gold);outline-offset:3px}#scene-compass.is-snapping{transition:transform .18s ease-out}#scene-compass.is-dragging{cursor:grabbing;transition:none;border-color:var(--gold);box-shadow:0 10px 32px #001c2566}.compass-dock-targets{display:block;position:absolute;inset:0;z-index:4;pointer-events:none;padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}.compass-dock-target{position:absolute;border:1px dashed #ecc78e99;border-radius:9px;background:#102e3b33}.compass-dock-target.is-nearest{border:2px solid var(--gold);background:#ecc78e22}#scene-compass .wind-dial{width:96px;height:96px;margin:0 auto}#scene-compass .dial-angle{font-size:7px}#scene-compass .wind-value,html[data-large-text] #scene-compass .wind-value{display:flex;justify-content:center;align-items:baseline;flex-wrap:wrap;gap:3px 5px;margin-top:8px}#scene-compass .wind-value strong{font-size:calc(14px * var(--text-scale, 1))}#scene-compass .wind-value span{font-size:calc(10px * var(--text-scale, 1))}#scene-compass .point-of-sail{display:none}.simulator:has(.control-dock[aria-disabled=false]) .scene-tools{inset-block-start:calc(max(12px,env(safe-area-inset-top)) + var(--mobile-toolbar-height, 48px) + var(--mobile-indicators-height, 60px) + 24px)}}@media(prefers-reduced-motion:reduce){#scene-compass.is-snapping{transition:none}}@media(max-width:900px)and (max-height:500px)and (orientation:landscape){.simulator:has(.control-dock[aria-disabled=false]) .scene-tools{inset-block-start:max(12px,env(safe-area-inset-top))}}.sound-control{display:inline-flex;align-items:stretch;min-width:0}.sound-control[hidden]{display:none}#boat-horn:not([hidden]){display:inline-flex;align-items:center;justify-content:center;gap:5px;border:1px solid #69858a66;border-radius:5px;color:#efd09b}#boat-horn svg{width:16px;height:16px;flex-shrink:0}#boat-horn:disabled{opacity:.5}#boat-horn[data-sounding=true]{opacity:1;background:#e7c58e25;border-color:#efd09b}@media(max-width:900px){.simulator .control-dock.cockpit-controls .control-hint #boat-horn{min-width:44px;min-height:44px;padding:6px 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#ffffff25;padding:18px 0}.race-best{color:#a7e4ce!important}.simulator[data-mode=race] .scene-title,.simulator[data-mode=race] .lesson-card,.simulator[data-mode=race] .cockpit-group-engine{display:none!important}.simulator[data-mode=race] .vessel-tabs>details:has(#vessel-throttle){display:none}.workspace:has(.simulator[data-mode=race]){grid-template-columns:1fr}.workspace:has(.simulator[data-mode=race])>.sidebar{display:none}@media(max-width:900px){#race-hud{--race-hud-top:calc(max(12px,env(safe-area-inset-top)) + var(--mobile-toolbar-height,48px) + 12px);inset-block-start:var(--race-hud-top);inset-inline-start:max(12px,env(safe-area-inset-left));width:min(210px,calc(100% - 24px));max-height:min(45%,calc(100dvh - var(--race-hud-top) - var(--control-dock-height,64px) - max(12px,env(safe-area-inset-bottom)) - 24px));padding:9px 12px;font-size:calc(11px * var(--text-scale,1));overscroll-behavior:contain}.simulator:has(.control-dock[aria-disabled=false]) 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34px}.challenge-choice{position:relative;display:flex;align-items:flex-start;gap:15px;min-width:0;padding:18px;border:1px solid #ffffff26;border-radius:12px;text-align:start;background:linear-gradient(135deg,#295c6544,#102e3b88);transition:border-color .15s,background .15s}.challenge-choice:last-child:nth-child(odd){grid-column:1/-1}.challenge-choice:hover,.challenge-choice:focus-visible{border-color:#efca88;background:#28546166}.challenge-art{position:relative;display:grid;place-items:center;flex:0 0 66px;aspect-ratio:1;border:1px solid #e7c58e38;border-radius:50%;color:#f1d49e;overflow:hidden}.challenge-art svg{position:absolute;inset:0;width:100%;height:100%;fill:none}.challenge-grid{stroke:#a2d0cb16;stroke-width:1}.challenge-course-line{stroke:#ecd09677;stroke-width:1.5;stroke-dasharray:4 3}.challenge-art>span{position:relative;font-size:29px;text-shadow:0 2px 6px 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