@import "https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=DM+Sans:wght@400;500;600;700&display=swap";:root{color:#ecede5;font-synthesis:none;--lime:#d6ec8e;--muted:#9faaa0;--panel:#19231ff2;background:#26312d;font-family:DM Sans,sans-serif}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit;background:0 0;border:1px solid #82917b50;border-radius:3px;padding:10px 12px;transition:background .15s,transform .15s}button:hover{background:#d5ec8e20}button:focus-visible{outline:2px solid var(--lime);outline-offset:4px}button:disabled{opacity:.5;cursor:wait}button.active{background:var(--lime);color:#18231d}#viewport{position:fixed;inset:0}canvas{display:block}header{pointer-events:none;background:linear-gradient(#111c19de,#0000);justify-content:space-between;align-items:center;height:92px;padding:24px 36px;display:flex;position:fixed;top:0;left:0;right:0}.brand{color:inherit;letter-spacing:2px;align-items:center;gap:12px;font-family:Barlow Condensed,sans-serif;font-size:30px;font-weight:700;text-decoration:none;display:flex}.brand-mark{background:#c7414d;border:1px solid #e78389;place-items:center;width:42px;height:42px;font-style:italic;display:grid}.brand-sub{letter-spacing:2px;margin-top:2px;font:9px DM Sans,sans-serif;display:block}.top-right{letter-spacing:1.5px;align-items:center;gap:10px;font-size:10px;display:flex}.live-dot{background:var(--lime);border-radius:50%;width:6px;height:6px}.icon-button{pointer-events:auto;border-radius:50%;width:30px;height:30px;margin-left:20px;padding:0}#hud{pointer-events:none;justify-content:space-between;align-items:flex-start;display:flex;position:fixed;inset:110px 30px 112px}.lesson{pointer-events:auto;background:linear-gradient(90deg,#17221def,#17221dc9);border:1px solid #b3c3a522;width:300px;padding:25px 24px;box-shadow:0 10px 40px #0002}.eyebrow{letter-spacing:1.8px;color:var(--lime);justify-content:space-between;gap:12px;font-size:9px;font-weight:600;display:flex}.eyebrow span{color:var(--muted);letter-spacing:.7px}h1{letter-spacing:-.5px;margin:24px 0 14px;font-family:Barlow Condensed,sans-serif;font-size:44px;font-weight:600;line-height:1.04}h1 em{color:var(--lime);font-style:normal}.intro{color:#abb8ad;margin-bottom:22px;font-size:12px;line-height:1.7}.lesson-rule{background:#b5c6ac30;height:1px}.step-meta{color:var(--lime);letter-spacing:1.5px;justify-content:space-between;margin-top:22px;font-size:9px;display:flex}h2{margin:13px 0;font-family:Barlow Condensed,sans-serif;font-size:27px;font-weight:500;line-height:1.1}#instruction{color:#c2ccbf;min-height:60px;font-size:12px;line-height:1.65}.progress-track{background:#465047;height:3px;margin:21px 0 12px}#progress{background:var(--lime);height:100%;transition:width .4s}#objective{color:var(--muted);margin-bottom:18px;font-size:10px}.primary{background:var(--lime);color:#17211d;border:none;justify-content:space-between;align-items:center;width:100%;padding:15px 17px;font-size:12px;font-weight:700;display:flex}.primary:hover{background:#e8ff9d;transform:translateY(-1px)}.session-buttons{gap:12px;margin-top:18px;display:flex}.session-buttons button{color:var(--muted);border:0;padding:0;font-size:9px}.instrument{pointer-events:auto;background:var(--panel);border:1px solid #a6b29b40;align-self:flex-end;width:260px;padding:21px}.readout{color:#243327;background:#b9c7a6;border-radius:2px;justify-content:space-between;align-items:baseline;margin:16px 0 12px;padding:14px 10px 11px;font-family:monospace;display:flex}.readout span{letter-spacing:-2px;font-size:38px}.readout small{font-size:11px}.meter-controls,.probe-controls{gap:5px;margin-bottom:10px;display:flex}.meter-controls button{flex:1;padding:7px;font-size:10px}.probe-controls{flex-wrap:wrap}.probe-controls button{white-space:nowrap;flex:1;padding:8px 6px;font-size:9px}.probe-dot{border-radius:50%;width:6px;height:6px;margin-right:4px;display:inline-block}.black{background:#777}.red{background:#ed5b63}#probe-status{color:var(--muted);min-height:25px;font-size:9px;line-height:1.6}.circuit-status{border-top:1px solid #abbca030;justify-content:space-between;padding:12px 0;font-size:10px;display:flex}.circuit-status b{color:#e8b87a;font-weight:500}#disconnect-toggle{width:100%;padding:8px;font-size:10px}footer{color:#c1c9bb;letter-spacing:.4px;background:linear-gradient(#0000,#111c19e8);justify-content:space-between;align-items:center;gap:20px;height:95px;padding:20px 36px;font-size:9px;display:flex;position:fixed;bottom:0;left:0;right:0}.key{border:1px solid #c2d0b650;margin:0 5px 0 10px;padding:4px;font-size:8px}.key:first-child{margin-left:0}#xr-entry{text-align:center}#enter-vr{background:var(--lime);color:#17221b;border:0;min-width:170px;padding:14px 22px;font-size:12px;font-weight:700}#xr-note{color:var(--muted);margin-top:7px;font-size:8px;display:block}.foot-spec{letter-spacing:1px;font-size:9px}.foot-spec b{color:var(--lime);margin-right:8px;font-size:16px}.foot-spec span{color:#74806d;padding:0 10px}#toast{text-align:center;pointer-events:none;z-index:5;background:#15211ced;border:1px solid #d6ec8e50;border-radius:3px;max-width:480px;padding:13px 20px;font-size:12px;transition:opacity .25s;position:fixed;bottom:110px;left:50%;transform:translate(-50%)}#hover-label{color:var(--lime);pointer-events:none;background:#15211c;border:1px solid #82917b50;padding:8px;font-size:11px;display:none;position:fixed}#crosshair{color:#fff;pointer-events:none;display:none;position:fixed;top:50%;left:50%}dialog{color:#ecede5;background:#1b2921;border:1px solid #9cab8560;width:calc(100% - 40px);max-width:680px;padding:36px;box-shadow:0 30px 100px #0008}dialog::backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#07120bb8}dialog h2{font-size:40px}.dialog-close{float:right;border:0;padding:0;font-size:28px}.help-grid{grid-template-columns:1fr 1fr;gap:30px;display:grid}dialog p{color:#c0cdbf;font-size:12px;line-height:1.8}dialog h3{color:var(--lime);font-size:13px}.training-note{color:#b7c2af;background:#dca96608;border-left:2px solid #dbac70;margin:20px 0;padding:10px 16px;font-size:11px;line-height:1.7}#summary-close{width:100%;margin-top:12px}.xr-active header,.xr-active #hud,.xr-active footer,.xr-active #toast{display:none}@media (height<=780px){#hud{top:95px;bottom:100px}.lesson{padding:18px 22px}h1{margin:15px 0 10px;font-size:36px}.intro{display:none}.lesson-rule{margin-top:20px}#instruction{min-height:48px}.progress-track{margin:14px 0 10px}}@media (width<=850px){header{padding:20px}.brand-sub{font-size:7px}.top-right #session-status{display:none}#hud{inset:92px 14px 100px}.lesson{width:245px;padding:18px}h1{font-size:33px}.eyebrow{font-size:8px}.instrument{width:210px;padding:14px}.foot-spec{display:none}footer{padding:16px;font-size:8px}.key{display:none}#toast{width:80%;bottom:104px}}@media (width<=580px){.lesson{width:210px}.lesson h1{display:none}.lesson-rule{margin-top:10px}.instrument{width:170px;position:absolute;bottom:0;right:0}.instrument .eyebrow{font-size:7px}.readout span{font-size:27px}.probe-controls button{font-size:8px}.session-buttons{gap:9px}.help-grid{grid-template-columns:1fr;gap:0}footer>div:first-child{max-width:120px}#toast{font-size:10px;bottom:100px}.brand{font-size:25px}.brand-mark{width:35px;height:35px}}