:root{--bg:#f3f0e6;--card:#fffdf7;--text:#14222e;--muted:#5d6b76;--line:#dcd6c6;--accent:#0f6a86;--accent-2:#dcecef;--navy:#0d2436;--ok:#1d7a43;--ok-bg:#dff1e4;--bad:#b3261e;--bad-bg:#f9e3df;--magenta:#a3186e;--chart-land:#f6e6bb;--chart-sea:#e6f1f6;--chart-dry:#bcd1c0;--sand:#b7791f;--chart-tint:#b5d2eb;--chart-mag-tint:#ecd3e6;--ink:#14222e;color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.45}@media (prefers-color-scheme:dark){:root{--bg:#0a1620;--card:#11212e;--text:#e4ecf1;--muted:#93a4b1;--line:#24384a;--accent:#58bcd8;--accent-2:#17364a;--ok:#6fd695;--ok-bg:#123524;--bad:#ff9b90;--bad-bg:#40201e;--magenta:#e061b2;--chart-land:#4a4426;--chart-sea:#16303f;--chart-dry:#2f4a2e;--sand:#e0a94f;--chart-tint:#1e4560;--chart-mag-tint:#4a2340;--ink:#e4ecf1}}*{box-sizing:border-box}body{background:var(--bg);margin:0}a{color:var(--accent);text-decoration:none}h1{margin:0;font-size:24px}h2{margin:0 0 8px;font-size:17px}h3{margin:14px 0 4px;font-size:15px}p{margin:6px 0}.muted{color:var(--muted)}.small{font-size:14px}kbd{color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:0 4px;font:11px ui-monospace,monospace}code,.mono{font-family:ui-monospace,SF Mono,Menlo,monospace}.top{background:var(--navy);color:#fff;z-index:20;flex-wrap:wrap;align-items:center;gap:20px;padding:8px 16px;display:flex;position:sticky;top:0}.brand{color:#fff;font-size:18px;font-weight:700}.top nav{scrollbar-width:none;gap:4px;display:flex;overflow-x:auto}.top nav a{color:#cfe0ea;white-space:nowrap;border-radius:8px;padding:5px 12px}.top nav a.active{color:#fff;background:#1e4560}main{padding:16px}.hero{margin:10px 0 18px}.modules{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;display:grid}.module{background:var(--card);border:1px solid var(--line);color:var(--text);border-radius:12px;padding:16px;display:block}.module:hover{border-color:var(--accent)}.module h2{color:var(--accent)}.module small{color:var(--muted)}.mod-head{flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:12px;display:flex}.tabs{flex-wrap:wrap;gap:4px;margin-left:auto;display:flex}.tabs a{color:var(--text);border:1px solid var(--line);background:var(--card);border-radius:8px;padding:5px 12px;font-size:15px}.tabs a.active{background:var(--accent);border-color:var(--accent);color:#fff}@media (prefers-color-scheme:dark){.tabs a.active{color:#06222e}}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:14px 16px}.row-end{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;margin-top:12px;display:flex}.inline{align-items:center;gap:6px;display:inline-flex}button,.btn{font:inherit;border:1px solid var(--line);background:var(--card);color:var(--text);cursor:pointer;border-radius:8px;padding:6px 12px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:disabled{opacity:.5}@media (prefers-color-scheme:dark){button.primary{color:#06222e}}button.ghost{color:var(--accent);border-color:var(--accent);background:0 0}button.link{color:var(--accent);font-size:inherit;background:0 0;border:0;padding:0;text-decoration:underline}button.chip{border-radius:16px;padding:3px 9px;font-size:14px}button.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}@media (prefers-color-scheme:dark){button.chip.on{color:#06222e}}input,select,textarea{font:inherit;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:6px 8px}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.modes{gap:6px;display:grid}.mode{border:1px solid var(--line);cursor:pointer;border-radius:8px;align-items:flex-start;gap:10px;padding:8px 10px;display:flex}.mode input{margin-top:4px}.mode span{display:grid}.mode small{color:var(--muted)}.quiz-head{color:var(--muted);align-items:center;gap:12px;font-size:14px;display:flex}.bar{background:var(--line);border-radius:3px;flex:1;height:5px;overflow:hidden}.bar i{background:var(--accent);height:100%;display:block}.prompt{margin:12px 0;font-size:18px}.q-visual{margin-bottom:12px}.answers{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:8px;display:grid}.answers.pictorial{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.answer{text-align:left;align-items:center;gap:10px;min-height:48px;padding:10px 12px;display:flex}.answers.pictorial .answer{flex-direction:column;align-items:stretch}.answers.pictorial .answer kbd{align-self:flex-start}.answer.right{background:var(--ok-bg);border-color:var(--ok)}.answer.wrong{background:var(--bad-bg);border-color:var(--bad)}.a-visual svg{border-radius:6px;width:100%;display:block}.entry{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.entry input{width:130px;font-size:18px}.verdict{border-left:4px solid;border-radius:8px;margin-top:12px;padding:10px 12px}.verdict.good{background:var(--ok-bg);border-color:var(--ok)}.verdict.bad{background:var(--bad-bg);border-color:var(--bad)}.verdict div{margin-top:4px;font-size:15px}.score{align-items:baseline;gap:12px;margin-bottom:12px;display:flex}.score b{font-size:36px}.score span{color:var(--muted);font-size:20px}.review{border-top:1px solid var(--line);padding:8px 0}.bad-text{color:var(--bad)}.lab{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:12px;display:grid}@media (width<=860px){.lab{grid-template-columns:minmax(0,1fr)}}.scene svg{border-radius:10px;width:100%;display:block}.scene-caption{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:8px;margin:6px 0;font-size:14px;display:flex}.plan svg{touch-action:none;cursor:grab;width:100%;max-width:300px;margin:0 auto;display:block}.plan-buttons{flex-wrap:wrap;justify-content:center;gap:4px;margin-top:6px;display:flex}.toggle{border:1px solid var(--line);border-radius:8px;display:inline-flex;overflow:hidden}.toggle button{border:0;border-radius:0;padding:4px 10px;font-size:14px}.toggle button.on{background:var(--accent);color:#fff}@media (prefers-color-scheme:dark){.toggle button.on{color:#06222e}}.groups{gap:10px;display:grid}.group-title{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:6px 0 4px;font-size:13px}.pills{flex-wrap:wrap;gap:5px;display:flex}.pills a{border:1px solid var(--line);color:var(--text);background:var(--card);border-radius:16px;padding:4px 10px;font-size:14px}.pills a.active{background:var(--accent);border-color:var(--accent);color:#fff}@media (prefers-color-scheme:dark){.pills a.active{color:#06222e}}.legend{margin:6px 0 0;padding:0;font-size:14px;list-style:none}.legend li{border-bottom:1px solid var(--line);align-items:baseline;gap:8px;padding:3px 0;display:flex}.legend li:last-child{border-bottom:0}.legend li.off{color:var(--muted)}.legend li.off .dot{opacity:.25;box-shadow:none}.legend .arc{color:var(--muted);white-space:nowrap;margin-left:auto}.dot{border:1px solid #0003;border-radius:50%;flex:none;align-self:center;width:10px;height:10px;box-shadow:0 0 4px}.rule-tag{color:var(--magenta);border:1px solid;border-radius:6px;padding:0 6px;font-size:13px;display:inline-block}.note{color:var(--muted);font-size:14px}table.data{border-collapse:collapse;width:100%;font-size:14px}table.data th,table.data td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:5px 8px}table.data th{color:var(--muted);font-weight:600}table.data td.n,table.data th.n{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}.scroll-x{overflow-x:auto}.buoy-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;display:grid}.buoy-tile{color:var(--text);background:var(--card);border:1px solid var(--line);text-align:center;border-radius:10px;padding:8px;font-size:14px;display:block}.buoy-tile:hover,.buoy-tile.active{border-color:var(--accent)}.buoy-tile svg{width:100%;max-height:150px;display:block}.buoy-pair{grid-template-columns:1fr 1fr;gap:8px;display:grid}.buoy-pair svg{border-radius:10px;width:100%;display:block}.player{background:#04080e;border-radius:10px;grid-template-columns:76px minmax(0,1fr);align-items:center;gap:10px;padding:8px 10px;display:grid}.lamp-box{place-items:center;width:64px;height:64px;display:grid}.lamp{--light:#fff6df;background:var(--light);width:26px;height:26px;box-shadow:0 0 12px 5px var(--light), 0 0 34px 12px color-mix(in srgb, var(--light) 45%, transparent);opacity:0;border-radius:50%}.strip{width:100%;height:auto;display:block}.night-box{background:#04080e;border-radius:10px;place-items:center;padding:26px;display:grid}.night-box .lamp{width:30px;height:30px}.side-by-side{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;display:grid}.fig svg{width:100%;height:auto;display:block}.toolbar{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}.toolbar input[type=search],.toolbar input[type=text]{flex:1;min-width:200px}.sym-grid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px;display:grid}.sym{background:var(--card);border:1px solid var(--line);border-radius:10px;flex-direction:column;gap:4px;padding:8px;font-size:14px;display:flex}.sym-img{background:var(--chart-sea);border-radius:6px;place-items:center;height:74px;display:grid;overflow:hidden}.sym-img svg{width:100%;height:74px}.sym b{font-weight:600}.sym small{color:var(--muted)}.sym .code{color:var(--magenta);font:12px ui-monospace,monospace}.q-sym{max-width:320px;margin:0 auto}.q-sym .sym-img,.q-sym .sym-img svg{height:150px}.decode-list{margin:8px 0 0;padding:0;list-style:none}.decode-list li{border-bottom:1px solid var(--line);grid-template-columns:90px minmax(0,1fr);gap:8px;padding:4px 0;font-size:15px;display:grid}.decode-list code{color:var(--magenta)}.big-abbr{text-align:center;color:var(--magenta);padding:18px;font:700 44px ui-monospace,monospace}.calc{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px 12px;display:grid}.f{color:var(--muted);gap:2px;font-size:14px;display:grid}.f input,.f select{width:100%;color:var(--text);font-size:16px}.result{background:var(--accent-2);border-radius:8px;margin-top:10px;padding:10px 12px}.result b.big{font-size:22px}.steps{margin:8px 0 0;padding-left:20px;font-size:15px}.steps li{margin:2px 0}.warn{color:var(--bad);font-size:15px}.caution{border-left:4px solid var(--bad);background:var(--bad-bg);border-radius:6px;margin:8px 0;padding:8px 10px;font-size:14px}.chart svg{max-width:100%;display:block}.subnav{flex-wrap:wrap;gap:4px;margin-bottom:10px;display:flex}.flash-a{animation:.5s step-end infinite flash-a}.flash-slow-a{animation:2s step-end infinite flash-a}.flash-slow-b{animation:2s step-end infinite flash-b}@keyframes flash-a{0%{opacity:1}50%{opacity:.05}}@keyframes flash-b{0%{opacity:.05}50%{opacity:1}}.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}body.one-screen{flex-direction:column;height:100dvh;display:flex;overflow:hidden}body.one-screen main{flex:1;width:100%;max-width:none;min-height:0;margin:0;padding:0}.route-app{flex-direction:column;height:100%;display:flex}.route-status{background:var(--accent-2);margin:0;padding:3px 12px;font-size:14px}.route-status:empty{display:none}.route-body{flex:1;grid-template-columns:360px minmax(0,1fr);min-height:0;display:grid;position:relative}.route-app[data-tab=plan] .route-body{grid-template-columns:860px minmax(0,1fr)}.route-side{background:var(--card);border-right:1px solid var(--line);flex-direction:column;gap:6px;min-width:0;min-height:0;padding:8px 12px;display:flex}.route-tabs{flex:none;display:flex}.route-tabs button{flex:1;padding:5px 4px}.route-tabs button:disabled{color:var(--muted);opacity:.6}.route-panel{flex:1;min-height:0;display:none;overflow-y:auto}.route-app[data-tab=trip] [data-panel=trip],.route-app[data-tab=result] [data-panel=result]{display:block}.route-app[data-tab=plan] [data-panel=plan]{flex-direction:column;display:flex;overflow:hidden}.route-caution{border-left:3px solid var(--bad);background:var(--bad-bg);border-radius:4px;flex:none;margin:0;padding:4px 8px;font-size:12px;line-height:1.3}.route-form{font-size:14px}.route-form .f{gap:0;margin-top:2px;font-size:12px}.route-form .f input,.route-form .f select{padding:3px 8px}.route-form h2{margin:6px 0 0;font-size:14px}.route-form .calc{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 8px}.route-form .calc.drive{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr)}.route-rules{color:var(--muted);flex-wrap:wrap;gap:2px 10px;margin-top:6px;font-size:12px;display:flex}.route-rules label{white-space:nowrap;align-items:center;gap:4px;display:inline-flex}.route-rules input{margin:0}.route-go{grid-template-columns:minmax(0,1fr) auto;gap:6px;margin-top:6px;display:grid}.route-go button{padding:6px 10px}.stop-row{grid-template-columns:22px minmax(0,1fr) 34px;align-items:center;gap:6px;margin-bottom:3px;display:grid}.stop-row input{width:100%;padding:3px 8px}.stop-row button{height:32px;padding:0;font-size:17px;line-height:1}.stop-row button:disabled{opacity:.4}.stop-badge{background:var(--accent);color:#fff;text-align:center;border-radius:50%;width:22px;height:22px;font:700 12px/22px system-ui,sans-serif;display:inline-block}.stop-badge.to{background:var(--magenta)}.stop-badge.via{background:var(--sand)}@media (prefers-color-scheme:dark){.stop-badge{color:#06222e}}.route-departure{justify-content:space-between;align-items:center;gap:8px;display:flex}.route-departure button{flex:none;padding:2px 6px;font-size:13px}.route-actions{flex:none;gap:4px;display:flex}#r-again{padding:4px 12px;font-size:14px}.route-panel .shift{margin:4px 0 6px}.route-panel p{margin:4px 0}.route-panel .warn{font-size:13px;line-height:1.3}.route-panel .tiles{grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;margin-bottom:4px}.route-panel .tiles>div{padding:3px 6px;line-height:1.25}.route-panel .tiles b{font-size:15px}.route-panel .tiles span{font-size:12px}.tiles>.span-2{grid-column:span 2}.route-main{flex-direction:column;min-width:0;min-height:0;display:flex;overflow:hidden}.route-mapbox{flex:1;min-height:0;position:relative}.route-map{z-index:0;position:absolute;inset:0}.route-overlay{z-index:1;pointer-events:none;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:6px;display:flex;position:absolute;top:8px;left:52px;right:8px}.route-overlay>*{pointer-events:auto}.route-overlay .toggle{background:var(--card)}.route-tools{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.field-bar{flex-basis:100%;justify-content:space-between;align-items:center;gap:8px;display:flex}.field-bar .toggle button{padding:2px 8px;font-size:12px}.field-bar a{white-space:nowrap}.field-scale{color:#fff;text-shadow:0 0 2px #000a;border-radius:4px;flex-basis:100%;height:16px;font:600 11px/16px system-ui,sans-serif;display:flex}.field-scale:empty{display:none}.field-scale span{text-align:center;white-space:nowrap;flex:1}.route-legend{max-width:420px;color:var(--text);background:color-mix(in srgb, var(--card) 92%, transparent);border-radius:8px;flex-wrap:wrap;align-items:center;gap:2px 10px;padding:3px 8px;font-size:12px;display:flex}.route-legend:empty{display:none}.route-risk{color:#fff;background:#d97706;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;font:800 18px/1 system-ui,sans-serif;box-shadow:0 1px 5px #00000073;display:flex!important}.route-risk.ok{background:#64748b}.risk-box p,.risk-box .warn{margin:6px 0}.risk-actions{gap:8px;margin-top:8px;display:flex}.risk-key{color:#fff;background:#d97706;border-radius:50%;place-items:center;width:15px;height:15px;margin-right:4px;font-size:11px;display:inline-grid}.route-legend i{vertical-align:middle;border-radius:2px;width:16px;height:4px;margin-right:4px;display:inline-block}.route-legend input{margin:0}.route-strip{background:var(--card);border-top:1px solid var(--line);flex:none;padding:6px 12px}.route-strip:empty{display:none}.route-strip input[type=range]{--thumb:16px;appearance:none;height:18px;width:calc(100% - var(--left) - var(--right) + var(--thumb));margin:0 calc(var(--right) - var(--thumb) / 2) 0 calc(var(--left) - var(--thumb) / 2);background:0 0;display:block}.route-strip input[type=range]::-webkit-slider-runnable-track{background:var(--line);border-radius:2px;height:4px}.route-strip input[type=range]::-moz-range-track{background:var(--line);border-radius:2px;height:4px}.route-strip input[type=range]::-webkit-slider-thumb{appearance:none;box-sizing:border-box;width:var(--thumb);background:var(--magenta);border:2px solid #fff;border-radius:50%;height:16px;margin-top:-6px}.route-strip input[type=range]::-moz-range-thumb{box-sizing:border-box;width:var(--thumb);background:var(--magenta);border:2px solid #fff;border-radius:50%;height:16px}.tiles.route-now{grid-template-columns:repeat(auto-fit,minmax(146px,1fr));gap:4px;margin-bottom:2px}.tiles.route-now>div{padding:2px 6px;line-height:1.25}.tiles.route-now b,.tiles.route-now span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.tiles.route-now b{font-size:14px}.tiles.route-now span{font-size:12px}.plan-box{flex:1;min-height:0;overflow:hidden}.plan-box table.data{font-size:13px}.plan-box table.data th,.plan-box table.data td{vertical-align:baseline;padding:3px 6px}.plan-box .mono{white-space:nowrap;font-size:12px}.plan-box tr.plan-stop td{background:var(--accent-2);font-weight:600}.route-plan .note{flex:none;font-size:12px;line-height:1.3}@media (width>=1001px){.route-tabs [data-show=map]{display:none}.route-app[data-tab=map] [data-panel=trip]{display:block}}@media (width>=1001px) and (width<=1240px){.route-app[data-tab=plan] .route-body{grid-template-columns:minmax(0,1fr) 0}}@media (width<=1000px){.route-body{display:block}.route-side{border-right:0;height:100%}.route-app[data-tab=map] .route-side{height:auto}.route-app[data-tab=map] .route-caution{display:none}.route-main{visibility:hidden;position:absolute;inset:44px 0 0}.route-app[data-tab=map] .route-main{visibility:visible}}@media (width<=860px){.plan-box .sail-col{display:none}}@media (height<=500px){.route-strip .chart{display:none}}@media (width<=420px){body.one-screen .top{flex-wrap:nowrap}body.one-screen .brand span{display:none}}@media (width<=640px){.tiles.route-now{grid-template-columns:repeat(2,minmax(0,1fr))}.tiles.route-now>div:first-child{grid-column:1/-1}.plan-box table,.plan-box tbody{display:block}.plan-box table.data{font-size:12px}.plan-box .mono{font-size:11px}.plan-box table.data tr{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:0 10px;padding:2px 0;display:flex}.plan-box table.data td{border:0;padding:0;display:block}.plan-box thead,.plan-box table.data .phone-off,.plan-box table.data .sail-col{display:none}.plan-box td[data-l]:before{content:attr(data-l) " ";color:var(--muted)}}.route-pin{background:var(--accent);color:#fff;text-align:center;border:2px solid #fff;border-radius:50%;font:700 12px/20px system-ui,sans-serif;box-shadow:0 1px 3px #0006}.route-pin.to{background:var(--magenta)}.route-pin.via{background:#a16207}.tiles{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin-bottom:8px;display:grid}.tiles>div{background:var(--accent-2);border-radius:8px;padding:6px 10px;display:grid}.tiles b{font-size:17px}.tiles span{color:var(--muted);font-size:13px}.tiles.small b{font-size:15px}input[type=range]{width:100%;margin-bottom:8px;padding:0}@media (width<=420px){.top{gap:6px}.top nav a{padding:5px 9px}}.flow-icon{pointer-events:none}.flow-label{text-anchor:middle;dominant-baseline:central;paint-order:stroke;stroke:#fff;stroke-width:4px;font:700 13px system-ui,sans-serif}.calc-lab{grid-template-columns:minmax(0,1fr);gap:14px;display:grid}@media (width>=900px){.calc-lab{grid-template-columns:minmax(280px,340px) minmax(0,1fr);align-items:start;gap:24px}}.calc-lab h3:first-child{margin-top:0}.calc-out .tiles{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.tiles>.alert{background:var(--bad-bg)}.tiles>.alert b{color:var(--bad)}.entry-table{border-collapse:collapse;width:100%}.entry-table th{text-align:left;color:var(--muted);white-space:nowrap;padding:2px 8px 2px 0;font-size:14px;font-weight:500}.entry-table tr:first-child th{font-size:13px}.entry-table td{padding:2px 6px 2px 0}.entry-table input{width:100%;min-width:0;font-size:16px}.work{margin:8px 0;font-size:15px}.work summary{cursor:pointer;color:var(--accent)}.tide-days{gap:6px;display:grid}.tide-day{border:1px solid var(--line);border-radius:10px;grid-template-columns:96px minmax(0,1fr) 96px;align-items:center;gap:10px;padding:6px 10px;display:grid}.tide-day.today{border-color:var(--accent);background:var(--accent-2)}.td-date{display:grid}.td-date small{color:var(--muted)}.td-cells{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;display:grid}.td{line-height:1.25;display:grid}.td span{font-size:12px;font-weight:600}.td.hw span{color:var(--accent)}.td.lw span{color:var(--sand)}.td b{font-variant-numeric:tabular-nums;font-size:17px}.td small{color:var(--muted);font-variant-numeric:tabular-nums}.td.past{opacity:.45}.td-range{line-height:1.25;display:grid}.td-range small{color:var(--muted);font-size:12px}.td-range i{background:var(--line);border-radius:2px;height:4px;margin-top:3px;display:block;overflow:hidden}.td-range u{background:var(--accent);height:100%;display:block}@media (width<=620px){.tide-day{grid-template-columns:minmax(0,1fr) 80px}.td-cells{grid-area:2/1/auto/-1}.td b{font-size:16px}.entry-table th{white-space:normal}}.shift{grid-template-columns:repeat(4,1fr);gap:4px;margin-top:6px;display:grid}.shift button{white-space:nowrap;padding:5px 2px;font-size:14px}.source{border-left:4px solid var(--accent);background:var(--accent-2);border-radius:6px;margin:8px 0;padding:8px 10px;font-size:15px}.water-check{border:1px solid var(--line);border-radius:10px;margin:14px 0;padding:10px 12px}.water-check h3{margin:0 0 8px}.ok-line{color:var(--ok);margin:10px 0 0;font-weight:600}.water-list{gap:4px;margin:10px 0 0;padding:0;list-style:none;display:grid}.water-list b{min-width:96px;display:inline-block}.port-grid,.theory-levels{gap:14px;display:grid}@media (width>=861px) and (height>=480px){body.fit{flex-direction:column;height:100dvh;display:flex;overflow:hidden}body.fit main{flex-direction:column;flex:1;width:100%;min-height:0;padding:10px 16px;display:flex}body.fit .mod-head{flex:none;margin-bottom:8px}body.fit #tab{flex-direction:column;flex:1;min-height:0;display:flex}body.fit #tab>*{flex:0 auto;min-height:0;margin-bottom:0}body.fit #tab>.card{flex-direction:column;display:flex;overflow:auto}body.fit .card{padding:10px 14px}body.fit #tab>.lights-page{flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:250px minmax(0,1fr);gap:12px;display:grid}body.fit .groups{order:-1;align-content:start;gap:4px;margin:0;overflow:auto}body.fit .pills a{padding:2px 8px;font-size:13px}body.fit #lab{min-width:0;min-height:0;display:flex}body.fit .lab{flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr) 250px;align-items:stretch;min-width:0}body.fit .lab .card{flex-direction:column;min-height:0;margin:0;display:flex;overflow:auto}body.fit .scene{flex:1;min-height:120px}body.fit .scene svg{height:100%}body.fit .plan svg{max-width:210px}body.fit .lab .legend{font-size:13px}body.fit #tab>.buoys-page{flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;display:grid}body.fit #detail{min-width:0;min-height:0;display:flex}body.fit #detail .card{flex:1;margin:0;overflow:auto}body.fit .buoys-list{margin:0;overflow:auto}body.fit .buoys-list h2{margin:8px 0 4px}body.fit .buoys-list .toolbar{margin-bottom:4px}body.fit .buoys-list .buoy-grid{grid-template-columns:repeat(auto-fill,minmax(clamp(92px,66.6667dvh - 374.667px,190px),1fr));gap:5px}body.fit .buoys-list .buoy-tile{padding:3px;font-size:clamp(12px,1.5dvh,14px);line-height:1.2}body.fit .buoys-list .buoy-tile svg{max-height:clamp(62px,25dvh - 113px,150px)}body.fit #tab>.schemes{flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:1.2fr 1fr .8fr .8fr}body.fit .schemes .card{flex-direction:column;min-height:0;margin:0;display:flex;overflow:auto}body.fit .schemes .fig svg{flex:1;height:0;min-height:0}body.fit #tab>.info-grid{flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;display:grid}body.fit .info-grid .card{margin:0}body.fit .info-grid>.card{overflow:auto}body.fit .info-col{align-content:start;gap:12px;min-height:0;display:grid;overflow:auto}body.fit #list{flex:1;min-height:0;overflow:auto}body.fit #list h3:first-child{margin-top:0}body.fit .modes{grid-template-columns:repeat(2,minmax(0,1fr))}body.fit .quiz-body{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:16px;display:grid}body.fit .quiz-body.solo{grid-template-columns:minmax(0,1fr)}body.fit .quiz-body .answers{grid-template-columns:minmax(0,1fr);margin-top:12px}body.fit .quiz-body .answers.pictorial{grid-template-columns:repeat(2,minmax(0,1fr))}body.fit .q-visual svg{max-height:42dvh}body.fit .a-visual svg{max-height:22dvh}body.fit #tab>.port-card{flex:1;overflow:hidden}body.fit .port-card .toolbar{margin-bottom:6px}body.fit #fc{flex-direction:column;flex:1;min-height:0;display:flex}body.fit .port-grid{flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:430px minmax(0,1fr);min-height:0}body.fit .port-side{min-height:0;overflow:auto}body.fit .port-main{flex-direction:column;min-width:0;min-height:0;display:flex}body.fit .port-main .subnav{margin-bottom:4px}body.fit .port-main h3{margin:6px 0 4px}body.fit .port-main .tide-days{flex:1;align-content:start;min-height:0;overflow:auto}body.fit .water-check{margin:8px 0;padding:8px 10px}body.fit .water-check .calc{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 8px}body.fit .water-check .f{font-size:12px}body.fit .water-list{margin-top:6px;font-size:14px}body.fit .water-list b{min-width:80px}body.fit .port-side .tiles{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}body.fit .port-side .tiles>div{padding:4px 8px;line-height:1.25}body.fit .port-side .tiles b{font-size:16px}body.fit .port-side .tiles span{font-size:12px}body.fit .port-main .tide-days{gap:3px}body.fit .port-main .tide-day{grid-template-columns:110px minmax(0,1fr) 130px;gap:8px;padding:2px 8px}body.fit .port-main .td-date{align-items:baseline;gap:6px;display:flex}body.fit .port-main .td{align-items:baseline;gap:5px;display:flex}body.fit .port-main .td b{font-size:15px}body.fit .port-main .td span,body.fit .port-main .td small{font-size:12px}body.fit .port-main .td-range{align-items:center;gap:6px;display:flex}body.fit .port-main .td-range i{flex:1;margin:0}body.fit .two-col .calc-lab{grid-template-columns:minmax(0,560px) minmax(0,1fr)}body.fit .two-col .calc-lab>div:first-child{columns:2;column-gap:16px}body.fit .calc-block{break-inside:avoid}body.fit .entry-table input,body.fit .calc-lab .calc input,body.fit .calc-lab select,body.fit .water-check input{padding:3px 6px;font-size:15px}body.fit .calc-lab{gap:18px}body.fit .calc-lab h3{margin:8px 0 2px}body.fit .theory-levels{grid-template-columns:minmax(0,420px) minmax(0,1fr);align-items:start}body.fit .theory-levels .fig svg{max-height:58dvh}}.groups summary{cursor:pointer}.nav-app{gap:10px;display:grid}.nav-left{flex-direction:column;gap:6px;min-width:0;min-height:0;display:flex}.nav-bar{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.nav-tools,.nav-zoom,.nav-ink{gap:4px;display:inline-flex}.nav-zoom button,.nav-ink button{padding:2px 9px;font-size:14px}.nav-chart{border:1px solid var(--line);background:#e8e4d8;border-radius:10px;height:46dvh;min-height:280px;overflow:hidden}#n-map{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;cursor:grab;width:100%;height:100%;display:block}#n-map[data-mode=pencil]{cursor:crosshair}#n-map[data-mode=rubber]{cursor:not-allowed}#n-map[data-mode=pencil] .tool,#n-map[data-mode=rubber] .tool{pointer-events:none}.nav-hint{color:var(--muted);margin:0;font-size:13px}.nav-side{min-width:0;font-size:15px}.nav-side .subnav{gap:3px;margin-bottom:8px}.nav-side button.chip{padding:2px 8px;font-size:13px}.nav-text{margin:4px 0 8px}.nav-text p{margin:0 0 6px}.nav-side .steps{font-size:13px}.nav-log{margin:0 0 6px;padding-left:20px;font-size:14px}.nav-log li{margin:2px 0}.nav-notes{color:var(--muted);flex-direction:column;order:2;gap:3px;font-size:13px;display:flex}.nav-notes textarea{resize:none;min-height:140px;color:var(--text);flex:1;font:14px/1.45 ui-monospace,SF Mono,Menlo,monospace}.nav-app[data-notes=off] .nav-notes{display:none}.nav-title{color:var(--accent);margin:0 0 6px;font-size:15px}.nav-group{color:var(--muted);margin:6px 0 2px;font-size:13px}.nav-form{grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:3px 8px;display:grid}.nav-form input{padding:4px 8px}.nav-form span:empty{display:none}.nav-ok{color:var(--ok);font-size:13px;font-weight:600}.nav-bad{color:var(--bad);font-size:13px;font-weight:600}p.nav-ok,p.nav-bad{font-size:14px}.nav-actions{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.nav-actions button{padding:4px 10px;font-size:14px}.nav-source{margin-top:8px;font-size:12px}.dev-table{margin-bottom:8px;font-size:12px}.dev-table caption{text-align:left;color:var(--muted);font-size:12px}.dev-table th,.dev-table td{padding:1px 4px}.pencil-line{stroke:#1a1a1a;stroke-width:1.3px;vector-effect:non-scaling-stroke;fill:none;pointer-events:none}.pencil-hit{stroke:#0000;stroke-width:12px;vector-effect:non-scaling-stroke}.pencil-hit-dot{fill:#0000}.solution-line{stroke-width:2.5px;vector-effect:non-scaling-stroke}.sol-route{stroke:#d6186e}.sol-bearing{stroke:#1565c0;stroke-width:1.5px;stroke-dasharray:9 5}.sol-current{stroke:#c2570c;stroke-dasharray:3 4}.sol-goal{stroke:#0a8f3c}.nav-key{flex-wrap:wrap;gap:2px 12px;margin:8px 0 2px;font-size:13px;display:flex}.nav-key span:before{content:"";vertical-align:middle;border-top:3px solid;width:18px;margin-right:5px;display:inline-block}.key-route:before{border-color:#d6186e}.key-bearing:before{border-color:#5b9be0;border-top-style:dashed}.key-current:before{border-color:#e0802a;border-top-style:dotted}.key-goal:before{border-color:#2fb765}.nav-mark circle{fill:none;stroke:#c8202b;stroke-width:2px;vector-effect:non-scaling-stroke}.nav-mark .core{fill:#c8202b}.nav-mark text{fill:#c8202b;paint-order:stroke;stroke:#fff;stroke-width:3px;vector-effect:non-scaling-stroke;font-weight:800}.nav-mark.solution circle{stroke:#d6186e}.nav-mark.solution .core,.nav-mark.solution text{fill:#d6186e}.tool{cursor:move}.tool-body{fill:#2878aa24;stroke:#16506e;stroke-width:1px;vector-effect:non-scaling-stroke}.tool-disc{fill:#ffffff8c;stroke:#16506e;stroke-width:1px;vector-effect:non-scaling-stroke;pointer-events:none}.tool-edge{stroke:#0b3a52;stroke-width:1.5px;vector-effect:non-scaling-stroke;pointer-events:none}.tool-grip{fill:#c8202b47;stroke:#c8202b;stroke-width:1.5px;vector-effect:non-scaling-stroke;cursor:alias}.tool-spin{fill:#16506e4d;stroke:#16506e;stroke-width:1.5px;vector-effect:non-scaling-stroke;cursor:alias}.tool-tip{fill:#c8202b1f;stroke:#c8202b;stroke-width:1px;vector-effect:non-scaling-stroke;cursor:crosshair}.tool-point{fill:#c8202b;pointer-events:none}.tool-leg{stroke:#16506e;stroke-width:3px;vector-effect:non-scaling-stroke;pointer-events:none}.tool .thin{stroke:#0b3a52;stroke-width:.8px;vector-effect:non-scaling-stroke;pointer-events:none}.tool-scale text{fill:#0b3a52;text-anchor:middle;dominant-baseline:central;pointer-events:none;font-family:system-ui,sans-serif;font-weight:600}.tool-north,.tool-index{fill:#c8202b;pointer-events:none}.course-chain{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.chain-course{text-align:center;background:var(--accent-2);border-radius:10px;padding:8px 14px;display:grid}.chain-course.on{outline:2px solid var(--accent)}.chain-course b{font-size:14px}.chain-course span{font-variant-numeric:tabular-nums;font-size:21px}.chain-step{text-align:center;font-size:15px;font-weight:600;display:grid}.chain-step span{color:var(--muted);font-size:12px;font-weight:400}.nav-theory h3:first-child{margin-top:0}.nav-theory table,.nav-theory ol,.nav-theory p{break-inside:avoid}.nav-theory h3{break-after:avoid}@media (width>=1100px){.nav-theory{columns:2;column-gap:32px}}@media (width>=1700px){.nav-theory{columns:3}}@media (width>=861px) and (height>=480px){body.fit #tab>.nav-app{flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:200px minmax(0,1fr) 360px}body.fit #tab>.nav-app[data-notes=off]{grid-template-columns:minmax(0,1fr) 360px}body.fit .nav-notes{order:0;min-height:0}body.fit .nav-notes textarea{min-height:0}body.fit .nav-chart{flex:1;height:auto;min-height:0}body.fit .nav-side{min-height:0;overflow:auto}}
