/* D7: clear instrument colours, restrained depth and a fixed teaching display. */
.tabs{background:#edf1f3;gap:10px}
.tabs button,.tabs button:not(.active),.tabs button:hover{background:linear-gradient(180deg,#ff5967,#e53549);border:1px solid #b52637;border-bottom:2px solid #b52637;color:#fff;box-shadow:inset 0 1px #ffffff45,0 1px 2px #10243520;text-shadow:none;font-weight:700}
.tabs button span,.tabs button:not(.active) span{color:#fff}
.tabs button.active,.tabs button.active:hover{background:linear-gradient(180deg,#4cef9b,#18cf70);color:#073923;border:1px solid #138b51;border-bottom:2px solid #138b51;box-shadow:inset 0 1px #ffffff66,0 1px 2px #10243520}
.tabs button.active span{color:#073923}
.tabs button::before{background:#ffced4;box-shadow:none}
.tabs button.active::before{background:#073923;box-shadow:none}
.tabs button:active{transform:translateY(1px);filter:brightness(.94)}
.lesson-toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px}
.lesson-toolbar .lesson-language{padding:10px 14px;background:#e6f1fa;border:2px solid #346c94;border-radius:8px;color:#143e5e;font-weight:700;letter-spacing:.5px;min-width:225px}
#trainingLanguage{background:#fff;border:1px solid #346c94;min-height:44px;color:#102e46;font-size:14px;font-weight:700}
#trainingConsole .guide-actions #nextLesson.lesson-ready{background:#1dbd6a;color:#062f1b;border-color:#078749;animation:lessonReady 1.4s ease-in-out infinite}
@keyframes lessonReady{0%,100%{background:#1dbd6a;box-shadow:0 0 0 0 #24d88100}50%{background:#75f2ac;box-shadow:0 0 0 4px #24d88135}}
.lesson-camera{height:auto;min-height:0!important;overflow:hidden;border-radius:0 0 7px 7px;background:#112635}
.lesson-camera-rig{display:grid;grid-template-columns:minmax(0,1fr) minmax(270px,32%);gap:8px;width:100%;padding:8px;transform:none!important;transition:none!important;will-change:auto;background:#112635}
.lesson-camera-rig #trainingRadarHost{min-width:0}
.lesson-camera-rig .radar-layout{display:block}
.lesson-camera-rig .helm-panel{display:none}
.lesson-camera-rig .r4-radar-main{display:block}
.lesson-camera-rig .r4-radar-scope{height:auto!important;aspect-ratio:1;min-height:0!important}
.lesson-camera-rig .r4-radar{box-shadow:none}
.lesson-camera-rig{height:clamp(400px,calc(100dvh - 320px),900px)}
.lesson-camera-rig #trainingRadarHost>.radar-layout,.lesson-camera-rig #radarHost,.lesson-camera-rig #radarHost>.r4-radar{height:100%}
.lesson-camera-rig #radarHost>.r4-radar{display:flex;flex-direction:column}
.lesson-camera-rig .r4-radar-main{flex:1;min-height:0}
.lesson-camera-rig .r4-radar-scope{height:100%!important;aspect-ratio:auto}
#lessonPanel.lesson-expanded .lesson-camera-rig{height:calc(100dvh - 270px);min-height:330px}
#lessonPanel{scroll-margin-top:80px}
.lesson-dock{position:relative;min-width:0;min-height:0;background:#233746;border:1px solid #466476;border-radius:4px}
.lesson-dock-title{height:38px;padding:12px 10px;background:#1a2d3b;font:700 11px Arial;letter-spacing:1px;color:#d8e9ef}
.lesson-dock-pages{position:absolute;inset:38px 0 0;overflow:hidden}
.lesson-dock-pages>.r4-radar-controls,.lesson-dock-pages>.r4-radar-bottom,#trainingTools{height:100%;max-height:100%;overflow:auto;overscroll-behavior:contain;scrollbar-color:#7f9dad #203745}
.lesson-dock-pages .r4-radar-controls{display:block;padding:12px 15px}
.lesson-dock-pages .r4-radar-controls>select{width:100%;margin-bottom:8px}
.lesson-dock-pages .r4-radar-knobs{grid-template-columns:repeat(3,1fr);margin:12px 0}
.lesson-dock-pages .r4-radar-keys{grid-template-columns:repeat(3,1fr);gap:5px}
.lesson-dock-pages .r4-radar-settings{grid-template-columns:repeat(2,1fr);margin:10px 0}
.lesson-dock-pages .r4-radar-controls button,.lesson-dock-pages .r4-radar-controls select,.lesson-dock-pages .r4-radar-controls input{font-size:11px;min-height:36px}
.lesson-dock-pages .receiver-extensions{flex-wrap:wrap;margin:12px 0}
.lesson-dock-pages .measure-panel{display:grid;grid-template-columns:1fr 1fr;padding:8px 0}
.lesson-dock-pages .r4-radar-tip{font-size:10px}
.lesson-dock-pages .r4-radar-bottom{display:block}
.lesson-dock-pages .target-data{display:grid;grid-template-columns:1fr 1fr;column-gap:12px;padding:6px 10px}
.lesson-dock-pages .target-data h3,.lesson-dock-pages .target-data p,.lesson-dock-pages .target-data .no-target{grid-column:1/-1;margin:3px 0}
.lesson-dock-pages .target-data h3{font-size:12px}
.lesson-dock-pages .target-data>div{font-size:9px;padding:3px 0;gap:5px}
.lesson-dock-pages .target-data .no-target{min-height:80px}
#trainingConsole .target-data{line-height:1.2}
#trainingConsole .target-data p{font-size:9px!important;line-height:1.3!important;margin:3px 0!important}
#trainingConsole .target-data h3{line-height:1.2;margin:3px 0}
.lesson-dock-pages .nav-data>div{padding:3px 0}
.lesson-dock-pages .nav-data strong{font-size:16px}
#trainingConsole .nav-data p{font-size:9px!important;line-height:1.3!important;margin:5px 0!important}
.lesson-camera-rig #trainingRadarHost{min-height:0}
#trainingTools .advanced summary,#trainingTools .advanced h3{color:#163a53}
#trainingTools .advanced{margin:0;padding:12px;height:100%;overflow:auto;border-radius:0}
.lesson-camera-rig .control-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.lesson-camera .guide-hand{transition:left .42s ease,top .42s ease;filter:drop-shadow(0 1px 2px #0006)}
.lesson-camera .guide-hand.is-paused{transition:none;animation-play-state:paused}
.guide-focus{outline:3px solid #ffe184!important;outline-offset:2px;box-shadow:0 0 0 4px #ffe18425!important}
#trainingConsole .guide-step{min-height:90px}
.echo-sounder{background:linear-gradient(#57616d,#303945);border:1px solid #89939c;padding:10px;border-radius:6px}
.echo-sounder>div:first-child{color:#edf2f5}
.echo-sounder canvas{display:block;width:100%;height:auto;aspect-ratio:720/300;background:#1b1747;border:2px solid #131923;border-radius:3px}
.echo-sounder strong{color:white;font-size:30px;letter-spacing:-.5px}
.echo-sounder>small{color:#d3dce6}
.echo-sounder .echo-controls{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:8px;margin-top:8px}
.echo-controls label{font-size:10px;color:#e4eaf0}
.echo-controls select{min-width:0;width:100%;padding:6px;background:#182b3c;color:#e9f1ff;border-color:#7891a1;font-size:10px;min-height:32px}
#lessonPanel.lesson-expanded{position:fixed;inset:0;background:#fff;z-index:100;padding:12px;overflow:auto}
@media(max-width:700px){.tabs{gap:5px}.tabs button{padding:10px 3px}.tabs button span{font-size:10px;white-space:normal}.lesson-camera-rig{grid-template-columns:1fr;padding:5px;gap:5px;height:auto}.lesson-camera-rig .r4-radar-scope{height:auto!important;aspect-ratio:1}.lesson-dock{height:260px}.lesson-toolbar .lesson-language{width:100%;min-width:0}.lesson-toolbar h1{font-size:22px}.lesson-camera-label{gap:8px}.echo-sounder .echo-controls{grid-template-columns:1fr 1.4fr}#lessonPanel.lesson-expanded .lesson-camera-rig{height:auto;min-height:0}#lessonPanel.lesson-expanded .lesson-toolbar>div{display:none}#lessonPanel.lesson-expanded .guide-step{min-height:0;padding:8px}#lessonPanel.lesson-expanded .guide-step p{margin:2px 0!important}#lessonPanel.lesson-expanded .lesson-dock{height:240px}}
@media(prefers-reduced-motion:reduce){#trainingConsole .guide-actions #nextLesson.lesson-ready{animation:none;outline:3px solid #21b76c;outline-offset:3px}.lesson-camera .guide-hand{transition:none}.lesson-camera .guide-hand.tapping{animation:none}}
@media(orientation:landscape) and (max-height:600px){#lessonPanel.lesson-expanded{padding:5px}#lessonPanel.lesson-expanded .lesson-toolbar{margin:0;gap:6px}#lessonPanel.lesson-expanded .lesson-toolbar h1{font-size:16px;margin:2px 0}#lessonPanel.lesson-expanded .lesson-toolbar .eyebrow{display:none}#lessonPanel.lesson-expanded .lesson-language{padding:4px 8px;font-size:9px;min-width:170px}#lessonPanel.lesson-expanded #trainingLanguage{min-height:30px;font-size:11px;padding:4px}#lessonPanel.lesson-expanded .guide-actions{padding:4px;gap:5px}#lessonPanel.lesson-expanded .guide-actions button{padding:5px;min-height:32px;font-size:10px}#lessonPanel.lesson-expanded #demoStatus{display:none}#lessonPanel.lesson-expanded .guide-step{min-height:0;padding:6px 10px}#lessonPanel.lesson-expanded .guide-step p{margin:3px 0!important;font-size:11px!important}#lessonPanel.lesson-expanded .guide-step small{display:none}#lessonPanel.lesson-expanded .lesson-camera-rig{height:calc(100dvh - 190px);min-height:160px;grid-template-columns:minmax(0,1fr) 275px}#lessonPanel.lesson-expanded .lesson-dock{height:100%}#lessonPanel.lesson-expanded .r4-radar-scope{height:100%!important;aspect-ratio:auto}#lessonPanel.lesson-expanded .r4-radar-top{padding:4px 8px;font-size:9px}}
@media(max-width:700px){#lessonPanel.lesson-expanded .lesson-language{padding:6px 9px;gap:4px;font-size:10px}#lessonPanel.lesson-expanded #trainingLanguage{min-height:36px;padding:6px;font-size:12px}#lessonPanel.lesson-expanded .guide-actions{padding:6px;gap:6px}#lessonPanel.lesson-expanded .guide-actions button{min-height:34px;padding:7px;font-size:11px}#lessonPanel.lesson-expanded .guide-actions #nextLesson{min-width:160px}#lessonPanel.lesson-expanded #demoStatus{display:none}#lessonPanel.lesson-expanded .guide-step p{font-size:12px!important}#lessonPanel.lesson-expanded .guide-step small{display:none}}
@media(orientation:landscape) and (max-height:600px){#lessonPanel.lesson-expanded .lesson-camera-label{display:none}#lessonPanel.lesson-expanded .guide-step{display:flex;align-items:center;gap:12px}#lessonPanel.lesson-expanded .guide-step b{font-size:11px;white-space:nowrap}#lessonPanel.lesson-expanded .guide-step p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
@media(max-width:700px) and (orientation:portrait){#lessonPanel.lesson-expanded .guide-step{height:92px}#lessonPanel.lesson-expanded .lesson-camera-label{display:none}#lessonPanel.lesson-expanded .lesson-camera-rig{grid-template-rows:minmax(160px,1fr) 220px}#lessonPanel.lesson-expanded .lesson-dock{height:100%}#lessonPanel.lesson-expanded .r4-radar-scope{height:100%!important;aspect-ratio:auto}}

/* D7.1 warm-up shortcut stays beside the visible PPI status. */
#rdFastWarmup{background:#f5cc62;color:#142b3a;border:1px solid #e7ad2f;border-radius:4px;padding:7px 10px;min-height:36px;font:700 11px Arial;cursor:pointer;white-space:normal}
#rdFastWarmup:hover{background:#ffe197}
.r4-radar-top:has(#rdFastWarmup:not([hidden])){flex-wrap:wrap;gap:8px}
@media(max-width:600px){#rdFastWarmup{flex-basis:100%;width:100%}}