/* Geometria v3.7.4: estensione del layout 3D della v3.6 */
.gq-sidebar>.panel{padding:18px 16px}
.gq-equation-preview{border-radius:8px;background:#eef4fa;color:#214e79;padding:11px 8px;font-size:.83rem;text-align:center;font-weight:750;line-height:1.65;margin:8px 0 14px}
.gq-coeff-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 10px}
.gq-coeff-grid .qd-field{font-size:.78rem}
.gq-coeff-grid input{font-variant-numeric:tabular-nums;padding:8px}
.gq-animation .panel-heading{margin-bottom:10px}
.gq-small{color:#55708a;font-size:.82rem;line-height:1.58;margin:8px 0 12px}
.gq-animation-controls{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}
.gq-animation-controls button{padding:8px 11px;border-radius:6px;border:1px solid #b3c9e2;cursor:pointer;font-size:.86rem}
.gq-animation-controls .primary{background:#1d5a9d;color:#fff;border-color:#1d5a9d}
.gq-animation-controls button:disabled{opacity:.45;cursor:not-allowed}
.gq-examples button{line-height:1.5}
#gq-canvas{width:100%;height:auto;aspect-ratio:960/620;display:block;cursor:grab;touch-action:none;outline-offset:-4px}
#gq-canvas:active{cursor:grabbing}#gq-canvas:focus-visible{outline:3px solid #529ad7}
.gq-equations{background:#f3f7fc;padding:12px;border-radius:9px;margin-top:13px;color:#284f76}
.gq-equations h3{margin:0 0 10px;font-size:.94rem}
.gq-dual{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.gq-dual>div{background:#fff;border:1px solid #dfebf5;border-radius:7px;padding:10px;min-width:0}
.gq-dual b{font-size:.77rem;color:#325b80;display:block;margin-bottom:6px}
.gq-math-short{font-size:.84rem;overflow-x:auto;overflow-y:hidden;line-height:1.7;min-height:2.8em}
.gq-math-short mjx-container{max-width:100%}
.gq-content .g3-math{overflow-x:auto;overflow-y:hidden;white-space:normal}
.gq-content .g3-math mjx-container{max-width:100%}
.gq-content .g3-result-table{width:100%}
.gq-content .g3-result-table td{overflow-wrap:anywhere}
.gq-content .g3-step{min-width:0}
@media(max-width:920px){.gq-sidebar>.panel{padding:18px 22px}.gq-coeff-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:650px){.gq-coeff-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.gq-dual{grid-template-columns:1fr}}
@media(max-width:400px){.gq-sidebar>.panel{padding:15px}.gq-coeff-grid{gap:0 8px}.gq-math-short{font-size:.8rem}}

/* Controllo della visualizzazione della diagonalizzazione */
#gq-graph{scroll-margin-top:18px}
.gq-view-mode{display:flex;gap:9px;align-items:flex-start;background:#f0f6fc;border:1px solid #d6e5f1;border-radius:7px;padding:10px;margin:10px 0 12px;color:#244a72;cursor:pointer;font-size:.85rem;line-height:1.4}
.gq-view-mode input{width:16px;height:16px;margin:2px 0 0;flex:none;accent-color:#1d5a9d}
.gq-view-mode span{display:flex;flex-direction:column;gap:4px}
.gq-view-mode small{font-size:.77rem;color:#536d83}

/* v3.7.4: confronto multilinea leggibile, senza scroll orizzontale permanente */
.gq-math-short{font-size:.78rem;overflow-x:auto;max-width:100%;line-height:1.45;min-height:3.5em}
.gq-math-short mjx-container[display="true"]{margin:.22em 0!important;text-align:left!important}
.gq-dual>div{overflow:hidden}
.gq-equations{overflow-wrap:break-word}
@media(max-width:650px){.gq-math-short{font-size:.78rem}.gq-dual>div{padding:9px}}

/* v3.8: scelta esplicita del piano obliquo e normali */
.gq-free-controls{margin:12px 0 10px;padding:12px;background:#f1f7fc;border:1px solid #d9e8f4;border-radius:8px;display:grid;gap:7px}
.gq-free-controls[hidden]{display:none!important}
.gq-free-hint{font-size:.79rem;line-height:1.55;color:#3a5975;margin:0 0 4px}
.gq-free-controls input[type="range"]{width:100%;accent-color:#169581;margin:0 0 7px}
.gq-free-eq{font-size:.78rem;color:#245b70;overflow-wrap:anywhere;background:#fff;padding:8px;border-radius:6px}
.gq-plane-details{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:7px}
.gq-plane-details b{font-size:.74rem;color:#2e5777}
@media(max-width:400px){.gq-plane-details{grid-template-columns:1fr}}