/* Laboratorio de energía solar */
.lab-solar { display: grid; gap: 16px; min-width: 0; }
.lab-solar > * { min-width: 0; }
.lab-solar .btn.chico { min-height: 46px; }
.lab-solar select, .lab-solar input[type="text"] { min-height: 44px; }
.sol-escena { overflow-x: auto; border-radius: 12px; border: 2px solid var(--lab-borde); background: var(--lab-piso); }
.sol-escena:focus-visible, .sol-tabla-marco:focus-visible { outline: 3px solid var(--tinta); outline-offset: 2px; }
.sol-escena .sol-svg { display: block; width: 100%; min-width: 680px; height: auto; }
.sol-svg { display: block; height: auto; }
.sol-escena.libre .sol-svg { min-width: 0; }
.sol-pregunta > .btn, .lab-solar form > .btn { justify-self: start; }
.sol-chico { width: 100%; max-width: 460px; }
.sol-plano-marco { display: flex; justify-content: center; }
.sol-plano { width: 100%; max-width: 520px; border-radius: 12px; }
.sol-mini { width: 96px; height: 44px; flex: none; }
.sol-grupos { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; align-items: start; }
.sol-grupo { padding: 12px 14px; border: 2px solid var(--lab-borde); border-radius: 12px; background: var(--lab-caja); display: grid; gap: 10px; min-width: 0; }
.sol-grupo.hecho { border-color: var(--lab-bien); }
.sol-grupo h3 { margin: 0; font-size: 1.05rem; }
.sol-visto { color: var(--lab-bien); font-weight: 700; }
.sol-nota { flex-basis: 100%; margin: 0; font-size: .97rem; }
.sol-regla { margin: 0; padding: 12px 14px; border-left: 6px solid var(--lab-mal); border-radius: 8px; background: var(--lab-piso); font-weight: 600; }
.sol-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.sol-chips li { padding: 6px 12px; border-radius: 999px; border: 2px solid var(--lab-borde); background: var(--lab-caja); font-size: .93rem; font-weight: 600; }
.sol-tabla-marco { overflow-x: auto; }
.sol-tabla { width: 100%; border-collapse: collapse; background: var(--lab-caja); }
.sol-tabla caption { text-align: left; font-weight: 700; padding: 6px 0; }
.sol-tabla th, .sol-tabla td { padding: 8px 10px; border: 1px solid var(--lab-borde); text-align: left; }
.sol-metodo { padding: 10px 12px; border-radius: 8px; background: var(--lab-piso); }
.sol-pista { margin: 0; padding: 10px 12px; border-left: 5px solid var(--lab-info); border-radius: 6px; background: var(--lab-piso); }
.sol-pregunta label { display: block; position: static; width: auto; height: auto; clip: auto; font-weight: 700; margin-bottom: 4px; }
.sol-numero { width: 100%; max-width: 240px; font-size: 1.15rem; padding: 6px 10px; }
.sol-pregunta .campo { margin: 0; }
.sol-resueltos { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.sol-notas { padding: 10px 14px; border: 2px solid var(--lab-borde); border-radius: 12px; background: var(--lab-caja); }
.sol-notas summary { cursor: pointer; font-weight: 700; min-height: 44px; display: flex; align-items: center; }
.sol-notas ul { margin: 6px 0; padding-left: 20px; display: grid; gap: 6px; }
.sol-borne { display: flex; flex-wrap: wrap; gap: 10px; flex-basis: 100%; }
.sol-con-mini { gap: 10px; text-align: left; }
.sol-columna { flex-direction: column; align-items: stretch; }
.sol-columna .btn { justify-content: flex-start; text-align: left; }
.sol-clic { cursor: pointer; }
.sol-clic:hover circle:first-child, .sol-clic:focus circle:first-child { stroke: #E8B517; stroke-width: 4; }
.sol-clic:focus { outline: none; }
.sol-tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.sol-tarjeta { min-height: 72px; padding: 10px 12px; border: 2px solid var(--lab-borde); border-radius: 12px; background: var(--lab-caja); color: var(--tinta); font: inherit; font-weight: 600; text-align: left; cursor: pointer; }
.sol-tarjeta:hover, .sol-tarjeta:focus-visible { border-color: var(--tinta); }
.sol-tarjeta.abierta { border-color: var(--tinta); box-shadow: 0 0 0 3px var(--tinta); }
.sol-checks { margin: 0; padding: 10px 12px; border: 2px solid var(--lab-borde); border-radius: 10px; display: grid; gap: 6px; }
.sol-checks legend { font-weight: 700; padding: 0 4px; }
.sol-check { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; }
.sol-check input { width: 24px; height: 24px; flex: none; }