/* D4: large PPI, dimensional controls and a shared live teaching console. */
.tabs{gap:12px;padding:10px 22px;background:linear-gradient(#ecf2f6,#dce6ed);box-shadow:0 3px 9px #16364b22}
.tabs button{flex:1;border:1px solid #71899b;border-radius:8px;padding:15px 10px;color:#dcebf6;background:linear-gradient(#38566e,#172f44);box-shadow:inset 0 1px #ffffff60,0 4px 0 #102435,0 5px 9px #10243544;font-weight:700;letter-spacing:.4px}
.tabs button.active{color:#07291c;background:linear-gradient(#d9ffe6,#76d99f 55%,#40ab75);border-color:#6eb58d;box-shadow:inset 0 1px #fff,0 4px 0 #236d4a,0 5px 11px #1d714c44}
.tabs button:active{transform:translateY(3px);box-shadow:inset 0 2px 6px #05172566,0 1px 0 #102435}
.statusbar{flex-wrap:wrap}.statusbar #exerciseLabel{font-weight:700;color:#173f59;flex:1;min-width:220px}.radar-layout{align-items:start}.r4-radar-main{align-items:start;grid-template-columns:minmax(0,1fr) 245px;grid-template-rows:auto auto}.r4-radar-scope{width:100%;aspect-ratio:1;min-height:0!important;height:auto}.r4-radar-bottom{max-height:none;align-self:stretch}.r4-radar-controls{grid-row:2}.helm-panel{height:auto}.telegraph-keys button{background:linear-gradient(#d8e3e5,#91a5aa);border:1px solid #6b838e!important;box-shadow:inset 0 1px #ffffffbb,0 2px 2px #0008;margin-bottom:2px;border-radius:3px}
.telegraph-keys .selected,.own-engine-keys .selected{color:#06291b!important;background:linear-gradient(#d6ffe3,#65ff9f 45%,#16a25b)!important;border-color:#8effbb!important;box-shadow:inset 0 1px #fff,0 0 9px #42ef8c99!important;font-weight:800}
.own-station{display:grid;grid-template-columns:minmax(220px,1.15fr) minmax(210px,1fr) minmax(320px,1.4fr);gap:12px;padding:16px;background:linear-gradient(#243e50,#122735);border:1px solid #587282;box-shadow:inset 0 2px #ffffff35,0 5px 15px #08213633;border-radius:0 0 10px 10px;color:#c7e0e9}
.own-station h2,.own-station h3{margin:0 0 12px;font-size:12px;letter-spacing:1px;color:#bcd2df}.own-station h3 small{font-size:9px;display:block;margin-top:4px}.own-station button{color:#d1e6eb;background:linear-gradient(#4e6c7d,#294656);border:1px solid #70909d;box-shadow:inset 0 1px #adc9d255,0 3px 2px #0006;min-height:38px;font-size:11px}.own-station .row{flex-wrap:wrap}.own-station label{color:#c3dbe5}.own-station input{width:100%;accent-color:#4cfba1}.own-station p{font-size:12px;line-height:1.5}#ownData{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:15px 0}#ownData>div{padding:10px;background:#081f2d;border:1px solid #4a7180;border-radius:4px}#ownData small{display:block;font-size:10px;color:#8eb3c0}#ownData strong{display:block;font:500 21px monospace;color:#9ff6c2;margin-top:5px}.own-steering{text-align:center}#ownWheel{width:min(190px,85%);aspect-ratio:1;margin:auto;touch-action:none;cursor:grab}#ownWheel svg{display:block;width:100%;height:100%}.e10-wheel-rotor{transform-origin:100px 100px}#ownHelmRead{display:block;margin:5px 0 12px;font:12px monospace;color:#b2f5c8}.own-telegraph{display:grid;grid-template-columns:42% 58%;height:330px}#ownTelegraph3D{width:100%;height:100%;display:block;touch-action:none}.own-engine-keys{display:grid;grid-template-rows:repeat(9,1fr);gap:4px}.own-engine-keys button{min-height:0;padding:3px;font-size:10px}.own-engine-keys button[data-own-engine^="-"]{color:#ffd2c6}.own-engine-keys button[data-own-engine="0"]{color:#ffde92}#ownOrderStatus{color:#ffdb92}#audioStatus{font-size:11px;color:#446378;max-width:180px}#soundToggle{border-color:#347253;color:#17613b}.scene-wrap{height:calc(100vh - 320px);min-height:420px;border-radius:8px 8px 0 0}
.training-layout{display:block;max-width:none}.training-layout aside{border:0;padding:0}.training-layout aside>h1{margin:4px 0}.training-layout aside>p:not(.eyebrow){margin:5px 0}.training-layout #lessonList{display:flex;gap:5px;max-height:85px;overflow:auto;border:0;padding:5px 0}.lesson-link{min-width:210px;border:1px solid #c4d5e2;border-radius:5px}.training-layout article{padding:8px 0}.training-layout #lessonBody h1{font-size:26px;margin:8px 0}.training-layout #lessonBody>p{margin:5px 0}.training-layout .task{padding:10px;margin:10px 0}.training-layout .task p{margin:5px 0}.lesson-toolbar{gap:10px;flex-wrap:wrap;margin:6px 0}.lesson-toolbar .row{flex-wrap:wrap}.lesson-toolbar button{background:#173f5d;color:#fff;border-color:#375e78}.lesson-toolbar label{min-width:125px}.live-training-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:10px 14px;color:#b7f0d2;background:#0e2c40;border-radius:7px 7px 0 0}.live-training-header strong{font-size:13px;letter-spacing:1px}.live-training-header span{font:11px monospace}.guide-step{padding:14px 18px;background:#e9f5ef;border:1px solid #a6c6b8;border-left:5px solid #267f5b;min-height:90px}.guide-step b{display:block;color:#205b44;font-size:15px}.guide-step p{margin:6px 0!important;font-size:14px!important;line-height:1.5!important}.guide-step small{font-size:12px;color:#4b6c61}.guide-actions{display:flex;gap:8px;flex-wrap:wrap;padding:10px 0}.guide-actions button{background:#173f5d;color:#fff}.guide-actions button:disabled{opacity:.45;cursor:default}.training-layout .r4-radar-main{grid-template-columns:minmax(0,1fr) 265px}.training-layout .r4-radar-scope{max-height:none}.training-layout .r4-radar-controls{grid-row:2}.guide-focus{outline:3px solid #70ffa9!important;outline-offset:3px;box-shadow:0 0 0 6px #32896066!important}.guide-hand{position:fixed;z-index:60;width:44px;height:50px;pointer-events:none;filter:drop-shadow(0 3px 4px #0009);transition:left .5s,top .5s;transform:translate(-8px,-3px)}.guide-hand[hidden]{display:none}.guide-hand.tapping{animation:tapHand .75s 2}@keyframes tapHand{50%{transform:translate(-8px,4px) scale(.92)}}.training-note{font-size:11px;color:#61798b}.training-layout article>.row{margin-top:14px;flex-wrap:wrap}.training-layout .advanced{margin-bottom:12px}#trainingVoiceStatus{font-size:12px;padding:8px 0}#trainingConsole:fullscreen{overflow:auto;background:#eaf0f4;padding:12px}.own-station[data-graphics-fallback=true] .own-telegraph{grid-template-columns:1fr}.own-station[data-graphics-fallback=true] #ownTelegraph3D{display:none}
@media(min-width:2200px){.own-station{padding:22px;grid-template-columns:1.2fr 1fr 1.2fr}.own-telegraph{height:480px}#ownWheel{width:270px}.own-engine-keys button{font-size:15px}.own-station h2,.own-station h3{font-size:16px}.own-station button{font-size:14px}.r4-radar-main{grid-template-columns:minmax(0,1fr) 300px}}
@media(max-width:1100px){.r4-radar-main{grid-template-columns:minmax(0,1fr) 200px}.own-station{grid-template-columns:1fr 1fr}.own-readouts{grid-column:1/-1}#ownData{grid-template-columns:repeat(4,1fr)}.training-layout .r4-radar-main{grid-template-columns:minmax(0,1fr) 200px}}
@media(max-width:700px){.tabs{gap:5px;padding:7px 6px}.tabs button{padding:10px 3px;font-size:9px;letter-spacing:0}.tabs button span{display:block;margin:4px 0 0;font-size:10px}.radar-layout{display:block}.radar-layout .helm-panel{margin-top:12px}.r4-radar-main,.training-layout .r4-radar-main{grid-template-columns:minmax(0,1fr);grid-template-areas:'scope' 'receiver' 'data'}.r4-radar-controls{grid-row:2}.r4-radar-bottom{grid-row:3}.own-station{padding:10px;gap:10px;grid-template-columns:1fr}.own-readouts{grid-column:auto}.own-steering{display:grid;grid-template-columns:1fr 1fr;align-items:center}.own-steering h3{grid-column:1/-1}#ownWheel{grid-row:2/5;width:150px}.own-steering .row{gap:4px}.own-steering .row button{flex:1;font-size:9px}.own-steering label{font-size:10px}#ownHelmRead{font-size:10px}.own-telegraph{height:360px;grid-template-columns:40% 60%}#ownData{gap:4px}#ownData>div{padding:8px 5px}#ownData strong{font-size:15px}.scene-wrap{height:58vh;min-height:330px}.training-layout #lessonList{max-height:72px}.lesson-link{font-size:11px;min-width:190px}.guide-step{padding:10px}.guide-step b{font-size:13px}.guide-step p{font-size:12px!important}.guide-actions button{font-size:11px;padding:10px}.training-layout #lessonBody h1{font-size:21px}.training-layout #lessonBody>p{font-size:13px}.statusbar #exerciseLabel{flex-basis:100%;font-size:11px}.session{flex-wrap:wrap}.viewtools label{max-width:48%}#soundToggle{font-size:10px}}
@media(prefers-reduced-motion:reduce){.guide-hand{transition:none}.guide-hand.tapping{animation:none}}

.training-layout .radar-layout{grid-template-columns:1fr}.training-layout .helm-panel{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:start}.training-layout .helm-panel .instrument-heading{grid-column:1/-1}.training-layout .helm-panel .telegraph{grid-column:3;grid-row:2/8}.training-layout .helm-panel .gauges{grid-column:1;grid-row:2}.training-layout .helm-panel .steering-box{grid-column:2;grid-row:2}.training-layout .helm-panel>p{grid-column:4}.training-layout .helm-panel .engine-select{display:none}@media(max-width:700px){.training-layout .helm-panel{grid-template-columns:1fr 1fr}.training-layout .helm-panel .telegraph{grid-column:2;grid-row:3/9}.training-layout .helm-panel .gauges{grid-column:1/-1;grid-row:2}.training-layout .helm-panel .steering-box{grid-column:1;grid-row:3}.training-layout .helm-panel>p{grid-column:1/-1}}
/* D4 width correction: fill the available desktop width; keep the square PPI and receiver controls below. */
@media(min-width:901px){.radar-layout{width:100%;margin-inline:0}.training-layout .radar-layout{width:min(100%,calc(100svh + 60px))}.r4-radar-bottom{min-height:100%}}
.tabs button span{color:inherit;opacity:1}.tabs button:not(.active){color:#f0f7fc}

#radarMotionStatus{font:9px/1.4 monospace;color:#dbe9a9;padding:5px;background:#0d202b;border:1px solid #49616d;grid-column:1/-1}
@media(min-width:1101px){.ship-bridge-layout{display:grid;grid-template-columns:minmax(0,1fr) 410px;gap:12px;align-items:stretch}.ship-bridge-layout .scene-wrap{height:auto;min-height:max(580px,calc(100svh - 335px));border-radius:8px}.ship-bridge-layout .scene-wrap>#scene{position:absolute;inset:0;width:100%;height:100%}.ship-bridge-layout .own-station{display:flex;flex-direction:column;padding:12px;gap:10px;border-radius:8px}.own-station h2,.own-station h3{margin-bottom:6px}.own-readouts p{margin:4px 0}.own-readouts #ownData{grid-template-columns:repeat(4,1fr);gap:4px;margin:6px 0}#ownData>div{padding:5px}#ownData strong{font-size:16px}.own-station #ownOrderStatus{font-size:10px}.own-station .row button{font-size:10px;min-height:30px;padding:5px}.own-steering{display:grid;grid-template-columns:160px minmax(0,1fr);align-items:center}.own-steering h3{grid-column:1/-1}.own-steering #ownWheel{grid-row:2/5;width:125px}.own-steering #ownHelmRead{font-size:10px;margin:4px 0}.own-steering label{font-size:10px}.own-engine .own-telegraph{height:280px;grid-template-columns:40% 60%}.own-engine-keys button{font-size:10px}.own-engine p{margin:6px 0}.viewtools{gap:10px}.viewtools label{font-size:10px}.viewtools button{font-size:11px}}
@media(min-width:2200px){.ship-bridge-layout{grid-template-columns:minmax(0,1fr) 600px}.own-steering{grid-template-columns:240px minmax(0,1fr)}.own-steering #ownWheel{width:220px}.own-engine .own-telegraph{height:450px}.own-engine-keys button{font-size:15px}.own-station h2,.own-station h3{font-size:16px}.own-readouts #ownData strong{font-size:25px}.own-station p{font-size:14px}}

.guide-dock{position:sticky;top:74px;z-index:4;background:#f0f5f8;box-shadow:0 5px 12px #163b4e22}.guide-dock .guide-actions{margin:0;padding:8px}.guide-dock .guide-step{min-height:0}.guide-dock .guide-actions label{display:flex;flex-direction:row;align-items:center;font-size:11px}#trainingRadarHost{scroll-margin-top:250px}@media(min-width:901px){.training-layout .radar-layout{width:min(100%,calc(100svh - 70px))}}@media(max-width:700px){.guide-dock{top:70px}.guide-dock .guide-actions{gap:4px}.guide-dock .guide-actions button{font-size:10px;padding:7px}#trainingRadarHost{scroll-margin-top:270px}}
.live-training-header button{color:#f1f8fc;background:linear-gradient(#3b657e,#1c3e55);border:1px solid #64879c;box-shadow:inset 0 1px #ffffff44,0 2px 3px #0005}

.measure-panel{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;border:1px solid #526d81;border-radius:5px;padding:12px;margin:4px 0 0;color:#dbe8f2}.measure-panel legend{font:600 11px Arial;padding:0 8px}.measure-panel label{font-size:10px}.measure-panel .row{flex-wrap:nowrap;align-items:end}.measure-panel .row button{flex:1;font-size:11px}.measure-panel output{grid-column:1/-1;color:#9af4be;font:14px monospace}.measure-panel p{grid-column:1/-1;margin:0;font:11px/1.7 Arial;color:#b3c9d9}.measure-panel button[aria-pressed=true]{background:#267849;color:#e2ffee}.measure-panel input{font:14px monospace!important}@media(max-width:700px){.measure-panel{grid-template-columns:1fr 1fr}.measure-panel button{min-height:44px}}
.narration-player{display:flex;align-items:center;flex-wrap:wrap;gap:.6rem;padding:.8rem 1rem;border:1px solid #375a72;background:#102b40;border-radius:12px;margin:.7rem 0;color:#eaf6ff}.narration-player audio{width:min(100%,360px);height:42px}.narration-player p{flex:1 1 220px;font-size:.85rem;margin:0}.narration-player button{min-height:44px}