/* Solo disposición y controles de la práctica 2. La piel visual se reutiliza sin editarla. */
.case-prototype{margin:0;background:var(--bg);color:var(--ink);overflow:auto}
.case-prototype .topbar{margin:0;min-height:64px}
.case-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(290px,330px);grid-template-areas:"scene right";gap:16px;padding:16px;height:calc(100svh - 64px);min-height:600px}
.case-viewport{grid-area:scene;position:relative;min-width:0;min-height:0;overflow:hidden;border-radius:var(--radius);background:#dbe4e9}
.case-stage{position:absolute;inset:0}.case-stage canvas{display:block;width:100%;height:100%;touch-action:pan-y}
.case-inspector{grid-area:right;min-width:0;min-height:0;display:flex}
.case-prototype .panel--step{width:100%;min-width:0;grid-area:auto}
.case-prototype .panel__head p{font-size:14px;font-weight:600}
.case-prototype .panel__body{flex:1}
.case-prototype .intro-context{display:grid;gap:9px;border-radius:10px}
.case-prototype .intro-context h3{font-size:14px;color:var(--blue)}
.mounting-tips{padding-left:18px;line-height:1.6}.mounting-tips li+li{margin-top:8px}
.insertion-status:empty{display:none}
.case-prototype button{min-height:44px}
/* Mismo tratamiento de carga que el taller de inicio, limitado a esta práctica. */
.case-loading{position:absolute;inset:0;z-index:6;display:grid;place-content:center;justify-items:center;gap:10px;padding:24px;text-align:center;background:#e4e9ed;color:var(--muted);font-size:14.5px;transition:opacity .45s ease-out}
.case-loading p{margin:0;max-width:420px}
.case-loading.is-ready{opacity:0;pointer-events:none}
.case-loading__bar{position:relative;width:120px;height:3px;border-radius:3px;background:rgb(var(--navy-rgb) / 12%);overflow:hidden}
.case-loading__bar::after{content:"";position:absolute;inset:0;background:var(--blue);transform-origin:left;transform:scaleX(var(--load,.08));transition:transform .25s}
.case-loading.is-error .case-loading__bar{display:none}
@media(prefers-reduced-motion:reduce){.case-loading,.case-loading__bar::after{transition:none}}
.case-prototype [hidden]{display:none!important}
.mount-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.mount-labels span{position:absolute;transform:translate(-50%,-50%);font:700 10px system-ui;color:#fff;background:#1c6386dc;border:1px solid #7de2f5;border-radius:50%;width:22px;height:22px;display:grid;place-items:center;box-shadow:0 0 0 3px #58d4ee25}
.scene-keyboard-action{position:absolute;width:1px;height:1px;min-height:0!important;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.scene-keyboard-action:focus-visible{position:static;width:auto;height:auto;min-height:44px!important;clip-path:none;padding:10px 16px;white-space:normal}
.case-stage canvas.is-tool-dragging,.case-stage canvas.can-drag-tool{touch-action:none}
@media(max-width:800px){
.case-layout{display:flex;flex-direction:column;height:auto;min-height:0;padding:12px;gap:14px}
.case-viewport{flex:none;height:60svh;min-height:420px;max-height:650px}
.case-inspector{flex:none}.case-prototype .panel--step{overflow:visible}.case-prototype .panel__body{overflow:visible}
.case-prototype .topbar{flex-wrap:wrap;gap:8px;padding:9px 12px}.case-prototype .brand{max-width:100%}.case-prototype .brand__title{white-space:normal;font-size:12px}.case-prototype .brand__name{font-size:18px}.case-prototype .tools{margin-left:auto}
}

.case-stage canvas.can-drag-board{touch-action:none;cursor:grab}
.case-stage canvas.is-board-dragging{cursor:grabbing}
.placement-guide{position:absolute;pointer-events:none;transform:translate(-50%,-50%) rotate(var(--guide-angle,0rad));width:32px;height:24px;color:#82eaff;filter:drop-shadow(0 1px 2px #102e48) drop-shadow(0 0 3px #102e48)}
.placement-guide svg{display:block;width:100%;height:100%}

.case-component-note{display:block;font-size:13px;line-height:1.45;color:var(--muted);margin-top:3px}
.case-prototype .intro-context .prep__list{gap:13px}

.case-stage canvas.can-drag-psu,.case-stage canvas.is-psu-dragging{touch-action:none}

/* La cabecera de esta práctica no depende de la versión publicada del CSS compartido. */
.case-prototype .brand__home{display:flex;flex:none;color:inherit;text-decoration:none}
.case-prototype .brand__name a{color:inherit;text-decoration:none}
.case-prototype .brand__home:focus-visible{outline:3px solid #62c9f2;outline-offset:5px;border-radius:4px}

/* La marca conserva el blanco en todos los estados del enlace. */
.case-prototype .brand__name a:any-link, .case-prototype .brand__home:any-link{color:var(--on-dark,#fff);text-decoration:none}

/* La conexión de alimentación se realiza en la escena, también con el dedo. */
.case-stage canvas.can-drag-power{cursor:grab;touch-action:none}
.case-stage canvas.is-power-dragging{cursor:grabbing}

.case-zoom{position:absolute;z-index:5;bottom:14px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;padding:4px 7px;border:1px solid #72bdd85c;border-radius:12px;background:#122f46ed;color:#fff;box-shadow:0 4px 15px #102a4530}
.case-zoom button{width:44px;padding:0;border:0;border-radius:8px;background:transparent;color:inherit;font:500 24px system-ui;cursor:pointer;touch-action:manipulation}
.case-zoom button:hover{background:#ffffff18}.case-zoom button:disabled{opacity:.35;cursor:default}
.case-zoom output{min-width:55px;text-align:center;font:600 13px system-ui;font-variant-numeric:tabular-nums}