/* Mock Test Core — front flow styles. Familiar exam look (brain §4). */
.mt-flow{--mt-blue:#0B3D91;--mt-green:#28A745;--mt-red:#D32F2F;--mt-ink:#212121;--mt-muted:#5F6368;--mt-bg:#F4F6F9;--mt-purple:#7B1FA2;color:var(--mt-ink);font-family:Arial,"Noto Sans","Noto Sans Devanagari",sans-serif;max-width:860px;margin:0 auto;padding:16px 12px 90px}
.mt-flow-title{font-size:24px;margin:8px 0 12px;line-height:1.25}
.mt-free-label{display:inline-block;background:var(--mt-green);color:#fff;font-size:12px;font-weight:bold;padding:2px 8px;border-radius:3px;margin-bottom:8px}
.mt-test-cards{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:640px){.mt-test-cards{grid-template-columns:1fr 1fr}}
.mt-test-card{background:#fff;border:1px solid #d9dee6;border-radius:6px;padding:16px}
.mt-test-card h3{margin:0 0 6px;font-size:18px}
.mt-card-meta{color:var(--mt-muted);margin:0 0 12px}
.mt-btn{display:inline-block;border:1px solid transparent;border-radius:4px;padding:10px 18px;font-size:15px;font-weight:bold;cursor:pointer;text-decoration:none;text-align:center;background:#fff;color:var(--mt-ink)}
.mt-btn-primary{background:var(--mt-green);color:#fff}
.mt-btn-ghost{border-color:#b9c2cf;color:var(--mt-ink)}
.mt-btn-big{font-size:17px;padding:13px 26px;width:100%}
@media(min-width:640px){.mt-btn-big{width:auto}}
.mt-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}
@media(min-width:640px){.mt-info-grid{grid-template-columns:repeat(4,1fr)}}
.mt-info{background:var(--mt-bg);border:1px solid #d9dee6;border-radius:6px;padding:10px;text-align:center}
.mt-info span{display:block;color:var(--mt-muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.mt-info strong{font-size:20px}
.mt-neg{color:var(--mt-red)}
.mt-ok{color:var(--mt-green)}
.mt-note{background:#fff8e1;border:1px solid #ffe082;border-radius:6px;padding:10px 12px}
.mt-form label{display:block;margin-bottom:6px}
.mt-form input[type=text],.mt-form input[type=tel],.mt-form textarea{width:100%;box-sizing:border-box;padding:11px;border:1px solid #b9c2cf;border-radius:4px;font-size:16px;margin-bottom:6px}
.mt-step-ind{color:var(--mt-muted);font-weight:bold}
.mt-error{background:#fdecea;border:1px solid var(--mt-red);color:var(--mt-red);border-radius:6px;padding:10px 12px}
.mt-justify{color:var(--mt-muted);font-size:13px;margin-top:14px}
.mt-chips{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 16px}
.mt-chip{flex:1 1 42%;margin:0}
.mt-chip input{position:absolute;opacity:0}
.mt-chip span{display:block;border:1.5px solid #b9c2cf;border-radius:6px;padding:12px;text-align:center;background:#fff;cursor:pointer;font-weight:bold}
.mt-chip input:checked+span{border-color:var(--mt-blue);background:#e8effa;color:var(--mt-blue)}
.mt-chip input:focus+span{outline:2px solid var(--mt-blue)}
.mt-lang-toggle{display:flex;gap:8px;justify-content:flex-end;margin-bottom:8px}
.mt-lang-toggle a{border:1px solid #b9c2cf;border-radius:4px;padding:5px 12px;text-decoration:none;color:var(--mt-ink);background:#fff;font-size:14px}
.mt-lang-toggle a.mt-lang-on{background:var(--mt-blue);color:#fff;border-color:var(--mt-blue)}
.mt-attempt-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.mt-timer{font-size:20px;font-weight:bold;background:var(--mt-bg);border:1px solid #d9dee6;border-radius:6px;padding:6px 14px;font-variant-numeric:tabular-nums}
.mt-timer.mt-timer-low{color:#fff;background:var(--mt-red);border-color:var(--mt-red)}
.mt-palette{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 6px}
.mt-pal{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:4px;border:1px solid #9aa5b1;background:#fff;color:var(--mt-ink);text-decoration:none;font-weight:bold;font-size:14px}
.mt-pal-answered{background:var(--mt-green);color:#fff;border-color:var(--mt-green)}
.mt-pal-notanswered{background:var(--mt-red);color:#fff;border-color:var(--mt-red)}
.mt-pal-marked{background:var(--mt-purple);color:#fff;border-color:var(--mt-purple)}
.mt-pal-notvisited{background:#fff;color:var(--mt-ink)}
.mt-pal-current{outline:3px solid var(--mt-blue);outline-offset:1px}
.mt-pal-legend{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--mt-muted);margin-bottom:6px}
.mt-dot{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:5px;border:1px solid #9aa5b1;vertical-align:-1px}
.mt-dot.mt-pal-answered{background:var(--mt-green)}
.mt-dot.mt-pal-notanswered{background:var(--mt-red)}
.mt-dot.mt-pal-marked{background:var(--mt-purple)}
.mt-dot.mt-pal-notvisited{background:#fff}
.mt-page-ind{color:var(--mt-muted);font-weight:bold}
.mt-question{border:1px solid #d9dee6;border-radius:6px;background:#fff;padding:14px;margin:0 0 14px}
.mt-question legend{font-weight:bold;padding:0 6px}
.mt-q-subject{color:var(--mt-blue)}
.mt-q-level{font-size:11px;text-transform:uppercase;letter-spacing:.05em;padding:2px 6px;border-radius:3px;background:var(--mt-bg);color:var(--mt-muted)}
.mt-level-easy{background:#e6f4ea;color:#137333}
.mt-level-medium{background:#fff4e0;color:#a15c00}
.mt-level-hard{background:#fdecea;color:var(--mt-red)}
.mt-q-text{font-size:16px;line-height:1.55;margin:8px 0 12px}
.mt-option{display:block;border:1px solid #d9dee6;border-radius:6px;padding:11px 12px;margin-bottom:8px;cursor:pointer;background:#fff}
.mt-option input{margin-right:8px}
.mt-mark{display:block;margin-top:8px;color:var(--mt-purple);font-size:14px;cursor:pointer}
.mt-attempt-nav{display:flex;gap:10px;justify-content:space-between;margin-top:6px}
.mt-sticky-bar{display:none}
@media(max-width:640px){.mt-sticky-bar{display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid #d9dee6;padding:10px 12px calc(10px + env(safe-area-inset-bottom));z-index:50}.mt-sticky-bar .mt-btn{flex:1}}
.mt-result-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.mt-result-link{border:1px solid #b9c2cf;border-radius:4px;padding:8px 16px;text-decoration:none;color:var(--mt-ink);background:#fff;font-weight:bold}
.mt-result-link.mt-result-on{background:var(--mt-blue);color:#fff;border-color:var(--mt-blue)}
.mt-score-big{font-size:44px;font-weight:bold;text-align:center;margin:10px 0}
.mt-score-big span{font-size:20px;color:var(--mt-muted)}
.mt-table-wrap{overflow-x:auto}
.mt-table{width:100%;border-collapse:collapse;background:#fff}
.mt-table th,.mt-table td{border:1px solid #d9dee6;padding:9px;text-align:left}
.mt-table th{background:var(--mt-bg)}
.mt-weak{background:#fdecea;border:1px solid var(--mt-red);border-radius:6px;padding:10px 12px}
.mt-solution{border:1px solid #d9dee6;border-radius:6px;background:#fff;padding:14px;margin-bottom:14px}
.mt-sol-options{list-style:none;margin:8px 0;padding:0}
.mt-sol-opt{border:1px solid #d9dee6;border-radius:6px;padding:9px 11px;margin-bottom:6px}
.mt-sol-correct{border-color:var(--mt-green);background:#e6f4ea;font-weight:bold}
.mt-sol-wrong{border-color:var(--mt-red);background:#fdecea}
.mt-sol-text{line-height:1.55}
.mt-sol-source{color:var(--mt-muted);font-size:13px}
.mt-sol-nav{display:flex;gap:10px;justify-content:space-between}
.mt-next-title{margin:22px 0 10px}
.mt-header-ad{max-width:1100px;margin:0 auto;padding:8px 12px;text-align:center;background:#fff}