/* Mathverse CAT 38.0 · espais educatius */
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*{box-sizing:border-box}body{background:var(--ev-bg);color:var(--ev-ink);font:16px/1.55 system-ui,Arial,sans-serif;margin:0}button,input,textarea,select{font:inherit}a{color:var(--ev-main)}.ev-shell{max-width:1120px;margin:auto;padding:18px 16px 56px}.ev-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:20px}.ev-logo{text-decoration:none;font-weight:900;color:var(--ev-main);font-size:1.15rem}.ev-nav{display:flex;gap:8px;flex-wrap:wrap}.ev-nav a,.ev-nav button{border:1px solid var(--ev-line);border-radius:12px;padding:8px 12px;background:var(--ev-card);color:var(--ev-ink);cursor:pointer;text-decoration:none;font-weight:700}.ev-nav .active{border-color:var(--ev-main)}h1{font-size:clamp(1.7rem,3vw,2.7rem);line-height:1.16;margin:7px 0}h2{font-size:1.2rem;margin:0 0 12px}h3{font-size:1.05rem;margin:8px 0}.ev-sub{color:var(--ev-muted);max-width:800px}.ev-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:16px}.ev-card{border:1px solid var(--ev-line);border-radius:19px;padding:20px;background:var(--ev-card);box-shadow:var(--ev-shadow);min-width:0}.ev-card p{color:var(--ev-muted)}.ev-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.ev-btn{background:#007c88;color:white;border:0;border-radius:11px;padding:10px 15px;cursor:pointer;font-weight:800;min-height:43px}.ev-btn.secondary{background:var(--ev-card);color:var(--ev-ink);border:1px solid var(--ev-line)}.ev-btn:disabled{opacity:.55;cursor:not-allowed}.ev-btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #ffbd63;outline-offset:2px}.ev-field{display:block;margin:10px 0;font-weight:700}.ev-field input,.ev-field select,.ev-field textarea,.ev-field select{width:100%;display:block;border-radius:10px;border:1px solid var(--ev-line);padding:10px 11px;background:var(--ev-card);color:var(--ev-ink);margin-top:4px}.ev-note{border:1px solid var(--ev-line);background:var(--ev-card);color:var(--ev-ink);border-radius:12px;padding:13px 16px;margin:15px 0}.ev-note[hidden]{display:none}.ev-tag{display:inline-block;background:var(--ev-bg);border:1px solid var(--ev-line);border-radius:30px;font-size:.8rem;padding:2px 9px;color:var(--ev-main);font-weight:750}.ev-list{display:grid;gap:9px}.ev-ticket{text-align:left;padding:11px 12px;background:var(--ev-bg);border:1px solid var(--ev-line);color:var(--ev-ink);border-radius:10px;cursor:pointer;width:100%;display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}.ev-ticket[aria-pressed="true"]{border-color:#0f98a6;border-width:2px}.ev-msg{padding:12px 14px;background:var(--ev-bg);border-radius:12px;margin:10px 0;white-space:pre-wrap;overflow-wrap:anywhere}.ev-msg.teacher{border-left:4px solid #17ad9f}.ev-small{color:var(--ev-muted);font-size:.87rem}.ev-progress{height:9px;background:var(--ev-bg);border-radius:8px;border:1px solid var(--ev-line);overflow:hidden}.ev-progress b{display:block;background:#04a3a7;height:100%;max-width:100%}.ev-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;margin:18px 0}.ev-metric{background:var(--ev-card);border:1px solid var(--ev-line);border-radius:13px;padding:12px}.ev-metric strong{display:block;font-size:1.5rem}.ev-statement{font-size:1.25rem;font-weight:750}.ev-steps{line-height:1.8}.ev-footer{font-size:.8rem;color:var(--ev-muted);margin-top:30px}.ev-hero{background:linear-gradient(112deg,#005e7b,#4d478d);color:white;border-radius:19px;padding:24px;margin-bottom:18px}.ev-hero p{color:#e1f7ff}.ev-hero h1{color:white}.ev-link{display:inline-block;padding:9px 12px;border:1px solid var(--ev-line);border-radius:10px;text-decoration:none;color:var(--ev-main);font-weight:750}.ev-pre{white-space:pre-wrap;background:var(--ev-bg);padding:14px;border-radius:13px;overflow-wrap:anywhere}.ev-status{margin:12px 0;color:var(--ev-ink)}@media(max-width:480px){.ev-head{align-items:start}.ev-card{padding:15px}.ev-shell{padding:12px 12px 40px}}@media print{.ev-nav,.ev-btn,.ev-field input[type=file],.ev-no-print{display:none!important}.ev-card{box-shadow:none;break-inside:avoid}body{background:white;color:black}.ev-shell{max-width:none}}

/* NOVA LOCAL DUAL — CAT 38.1 */
.ai-models{margin-bottom:16px}.ai-panel{margin-top:16px}.ai-models .ev-card{display:flex;flex-direction:column;align-items:flex-start}.ai-models .ev-btn{margin-top:auto}.ai-output{white-space:pre-wrap;line-height:1.65;overflow-wrap:anywhere;max-height:620px;overflow-y:auto}.ev-verify-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,245px),1fr));gap:14px}.ai-panel .ev-row h2{flex:1}.ev-note[data-result=ok]{border-left:4px solid #03846f}.ev-note[data-result=bad]{border-left:4px solid #bb5c26}.ev-note[data-result=unknown]{border-left:4px solid #8777b6}html[data-theme=dark] .ai-models .ev-card{background:var(--ev-card)}@media(max-width:480px){.ai-panel .ev-btn{width:100%}.ai-models .ev-btn{width:100%}}