/* Mathsverse CAT · MatrixLab 3.0 */
.m32-banner{border:1px solid var(--line);border-radius:18px;background:var(--paper);padding:17px;display:flex;align-items:center;justify-content:space-between;gap:14px;margin:5px 0 18px}.m32-banner p{color:var(--muted);margin:2px}.m32-banner label{display:grid;gap:5px;min-width:255px;font-weight:780}.m32-banner select,.m32-phase select{border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:10px;border-radius:11px;max-width:100%}.m32-story{font-size:1.13rem;font-weight:720;line-height:1.55;max-width:900px}.m32-phases{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin:20px 0}.m32-phases span{background:var(--paper);border:1px solid var(--line);border-radius:10px;text-align:center;padding:11px 4px;font-weight:800;font-size:.85rem}.m32-phases span[aria-current=step]{background:var(--tint);border-color:var(--accent)}.m32-phase{margin-bottom:18px}.m32-phase[hidden]{display:none}.m32-var-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:14px 0 19px}.m32-var-grid label,.m32-phase label{display:grid;gap:5px;font-weight:760}.m32-var-grid input,.m32-var-grid select,.m32-phase textarea,.m32-matrix-editor input{background:var(--bg);color:var(--ink);border:1px solid var(--line);padding:10px;border-radius:10px;min-width:0;width:100%;font:inherit}.m32-phase textarea{min-height:100px;resize:vertical}.m32-matrix-editor{max-width:100%;overflow-x:auto;margin:18px 0}.m32-matrix-row{display:flex;justify-content:center;gap:7px;margin-bottom:7px;min-width:max-content}.m32-matrix-row input{width:70px;text-align:center;font-variant-numeric:tabular-nums}.m32-matrix-row input[readonly]{opacity:.74;background:var(--paper)}.m32-matrix-row input.m32-independent{border-left:3px solid var(--gold)}.m32-matrix-row input.m32-incorrect{outline:2px solid var(--danger);border-color:var(--danger)}.m32-tools{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin:13px 0}.m32-tools button{margin:0}.m32-feedback{border-left:3px solid var(--line);background:var(--paper);border-radius:10px;padding:13px;margin:12px 0;line-height:1.6;min-height:1.9em;white-space:pre-wrap}.m32-feedback.good{border-color:var(--positive)}.m32-feedback.bad{border-color:var(--danger)}.m32-preview{background:var(--panel);border:1px solid var(--line);padding:12px;white-space:pre-wrap;line-height:1.7;overflow:auto;font-size:.92rem;border-radius:10px}.m32-board{padding:10px;overflow-x:auto}.m32-board-row{display:flex;align-items:center;gap:9px;white-space:nowrap;font-family:ui-monospace,monospace;margin:7px 0}.m32-board-row span{background:var(--bg);border:1px solid var(--line);min-width:43px;text-align:center;padding:7px 9px;border-radius:6px}.m32-board-row span.m32-independent{border-left:3px solid var(--gold)}.m32-keypad{display:flex;flex-wrap:wrap;gap:6px}.m32-keypad button{min-width:39px;padding:6px}.m32-center{text-align:center;padding:18px}.m32-summary{font-weight:760;color:var(--positive)}.m32-formative{margin-top:20px}.m32-formative a{font-weight:bold;color:var(--accent)}.m32-canvas{display:block;width:100%;height:400px;background:var(--bg);border:1px solid var(--line);border-radius:13px;touch-action:none}@media(max-width:850px){.m32-banner{display:block}.m32-banner label{min-width:0}.m32-var-grid{grid-template-columns:1fr 1fr}.m32-phases{grid-template-columns:1fr 1fr}.m32-canvas{height:340px}}@media(max-width:430px){.m32-var-grid{grid-template-columns:1fr}.m32-matrix-row input{width:60px}.m32-story{font-size:1.01rem}.m32-canvas{height:310px}}