:root{--pc-bg:#07131f;--pc-panel:#0a1b2c;--pc-panel2:#0c2435;--pc-line:rgba(93,224,255,.18);--pc-text:#edf9ff;--pc-muted:#acc4d1;--pc-teal:#25ded3;--pc-cyan:#58ddff;--pc-purple:#8b61ff;--pc-yellow:#ffd76a;--pc-green:#84f1b2}
.container.mmm-challenge-shell{width:min(100% - 26px,1180px);max-width:1180px}
.mmm-pc{display:grid;gap:16px;color:var(--pc-text);padding-bottom:22px}.mmm-pc *{box-sizing:border-box}.mmm-pc a{text-decoration:none}.mmm-pc p{color:var(--pc-muted);line-height:1.58}.pc-surface{border:1px solid var(--pc-line);border-radius:26px;background:radial-gradient(circle at 92% 0,rgba(139,97,255,.16),transparent 28%),radial-gradient(circle at 5% 0,rgba(37,222,211,.08),transparent 25%),linear-gradient(180deg,rgba(7,26,42,.98),rgba(4,15,26,.99));box-shadow:0 22px 70px rgba(0,0,0,.33)}
.pc-hero{padding:clamp(20px,3vw,34px);position:relative;overflow:hidden}.pc-hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);gap:22px;align-items:center}.pc-kicker{text-transform:uppercase;letter-spacing:.18em;font-size:.74rem;font-weight:900;color:#96f4ff}.pc-hero h1{font-size:clamp(2.25rem,5vw,4.65rem);line-height:.98;letter-spacing:-.045em;margin:8px 0 12px;color:#f7fcff}.pc-hero h1 .accent{color:var(--pc-teal)}.pc-hero-copy{max-width:760px}.pc-proof{display:grid;gap:9px}.pc-proof-card{padding:13px 14px;border-radius:16px;border:1px solid rgba(92,223,255,.14);background:rgba(255,255,255,.025)}.pc-proof-card strong{display:block;color:#fff;font-size:.96rem}.pc-proof-card span{display:block;color:#a8c4d3;font-size:.84rem;line-height:1.45;margin-top:3px}.pc-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.pc-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;border:1px solid rgba(92,223,255,.18);background:rgba(255,255,255,.03);color:#dffbff;font-size:.78rem;font-weight:800}.pc-chip.purple{border-color:rgba(169,118,255,.3);background:rgba(139,97,255,.09)}
.pc-start{padding:18px}.pc-start-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.5fr);gap:16px}.pc-card{padding:16px;border-radius:18px;border:1px solid rgba(92,223,255,.14);background:rgba(255,255,255,.024)}.pc-card h2,.pc-card h3{margin:0 0 7px;color:#fff}.pc-card h2{font-size:clamp(1.35rem,2.2vw,1.9rem)}.pc-card h3{font-size:1rem}.pc-field label{display:block;color:#f1fbff;font-weight:850;margin-bottom:7px}.pc-select,.pc-input{width:100%;border:1px solid rgba(92,223,255,.22);border-radius:12px;background:#061522;color:#f3fcff;padding:12px 13px;font:inherit;outline:none}.pc-select{color-scheme:dark}.pc-select option,.pc-select optgroup{background:#0b1c2a;color:#f7fcff}.pc-select:focus,.pc-input:focus{border-color:#63e9ff;box-shadow:0 0 0 3px rgba(88,221,255,.12)}.pc-toggle{display:flex;gap:10px;align-items:flex-start;margin-top:13px;padding:11px 12px;border-radius:14px;background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.07)}.pc-toggle input{margin-top:3px;accent-color:var(--pc-teal)}.pc-toggle strong{display:block;color:#fff}.pc-toggle span{display:block;color:#a9c2cf;font-size:.82rem;margin-top:2px}.pc-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:15px}.pc-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 15px;border-radius:12px;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.035);color:#ecfbff;font-weight:900;cursor:pointer;text-decoration:none}.pc-btn:hover{transform:translateY(-1px);border-color:rgba(92,223,255,.34)}.pc-btn.primary{background:linear-gradient(135deg,var(--pc-teal),var(--pc-cyan));color:#051419;border:0}.pc-btn.purple{background:linear-gradient(135deg,rgba(139,97,255,.44),rgba(79,43,181,.58));border-color:rgba(169,118,255,.34);color:#fff}.pc-btn.small{min-height:38px;padding:8px 12px;font-size:.86rem}.pc-small{font-size:.82rem;color:#9fb8c7;line-height:1.5}.pc-domain-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}.pc-domain{padding:6px 8px;border-radius:999px;border:1px solid rgba(92,223,255,.15);background:rgba(37,222,211,.055);color:#c7fbff;font-size:.74rem;font-weight:800}
.pc-educator-shortcut{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-top:14px;padding:14px 15px;border-radius:17px;border:1px solid rgba(169,118,255,.20);background:linear-gradient(135deg,rgba(139,97,255,.075),rgba(37,222,211,.045))}.pc-educator-shortcut>div:first-child{min-width:0}.pc-educator-shortcut strong{display:block;color:#fff;font-size:.98rem;margin-top:4px}.pc-educator-shortcut span{display:block;color:#a9c2cf;font-size:.82rem;line-height:1.45;margin-top:3px}.pc-educator-shortcut-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px;flex:0 0 auto}.pc-educator-shortcut .pc-btn{white-space:nowrap}

.pc-runner{padding:18px}.pc-run-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.pc-progress-text{font-size:.77rem;text-transform:uppercase;letter-spacing:.12em;color:#9befff;font-weight:900}.pc-progress{height:8px;background:rgba(255,255,255,.06);border-radius:999px;overflow:hidden;margin:10px 0 18px}.pc-progress>span{display:block;height:100%;width:25%;background:linear-gradient(90deg,var(--pc-teal),var(--pc-purple));transition:width .2s ease}.pc-timer{font-variant-numeric:tabular-nums;color:#bfeeff;font-weight:850;font-size:.9rem;white-space:nowrap}.pc-question-card{padding:clamp(17px,2.4vw,26px);border-radius:21px;border:1px solid rgba(92,223,255,.16);background:linear-gradient(145deg,rgba(9,34,52,.98),rgba(5,18,31,.98))}.pc-stage{display:inline-flex;padding:5px 8px;border-radius:999px;background:rgba(139,97,255,.12);border:1px solid rgba(169,118,255,.25);color:#d9cfff;font-size:.73rem;font-weight:900;text-transform:uppercase;letter-spacing:.09em}.pc-domain-label{margin-top:8px;color:#8cefff;font-size:.78rem;font-weight:850}.pc-question{font-size:clamp(1.28rem,2.8vw,2rem);line-height:1.28;color:#fff;margin:12px 0 16px;font-weight:850;letter-spacing:-.015em}.pc-unit-row{display:flex;align-items:center;gap:8px}.pc-unit{color:#f0c6ff;font-weight:900;white-space:nowrap}.pc-options{display:grid;gap:9px}.pc-option{position:relative}.pc-option input{position:absolute;opacity:0;pointer-events:none}.pc-option label{display:block;padding:12px 13px;border-radius:13px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.025);color:#e8f7ff;cursor:pointer;line-height:1.42}.pc-option input:checked+label{border-color:#6ce8ff;background:rgba(37,222,211,.10);box-shadow:0 0 0 2px rgba(37,222,211,.05)}.pc-confidence{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.07)}.pc-confidence strong{display:block;color:#fff;margin-bottom:7px}.pc-conf-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.pc-conf{position:relative}.pc-conf input{position:absolute;opacity:0;pointer-events:none}.pc-conf label{display:grid;place-items:center;text-align:center;min-height:48px;padding:8px;border-radius:12px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.025);color:#dcecf5;font-size:.78rem;font-weight:800;cursor:pointer}.pc-conf input:checked+label{border-color:#9d7bff;background:rgba(139,97,255,.13);color:#fff}.pc-question-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:17px}.pc-next[disabled]{opacity:.42;cursor:not-allowed;transform:none}.pc-hint{font-size:.78rem;color:#92aebb;max-width:55ch}
.pc-results{padding:18px}.pc-results h2{font-size:clamp(1.6rem,3vw,2.45rem);margin:4px 0 7px;color:#fff}.pc-result-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:14px}.pc-result{padding:14px;border-radius:17px;border:1px solid rgba(92,223,255,.14);background:rgba(255,255,255,.025)}.pc-result b{display:block;color:#8ef1ff;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em}.pc-result strong{display:block;color:#fff;font-size:1.1rem;margin-top:6px}.pc-result p{font-size:.83rem;margin:5px 0 0}.pc-insight{margin-top:12px;padding:15px;border-radius:17px;border:1px solid rgba(169,118,255,.25);background:linear-gradient(135deg,rgba(139,97,255,.13),rgba(37,222,211,.06))}.pc-insight h3{margin:0 0 5px;color:#fff}.pc-review{margin-top:13px}.pc-review details{border-top:1px solid rgba(255,255,255,.07);padding:10px 0}.pc-review summary{cursor:pointer;color:#e8faff;font-weight:850}.pc-review p{font-size:.86rem;margin:7px 0 0}.pc-correct{color:#8af3b3}.pc-wrong{color:#ffb3bf}.pc-share{display:flex;flex-wrap:wrap;gap:9px;margin-top:13px}.pc-disclaimer{margin-top:12px;color:#91aab9;font-size:.78rem;line-height:1.5}.pc-toast{min-height:20px;color:#9ef4ff;font-size:.8rem;margin-top:7px}
.pc-noscript{padding:14px;border-radius:14px;border:1px solid #8a6b35;background:#2d2412;color:#ffecb0}
@media(max-width:860px){.pc-hero-grid,.pc-start-grid{grid-template-columns:1fr}.pc-proof{grid-template-columns:repeat(3,minmax(0,1fr))}.pc-result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pc-educator-shortcut{align-items:flex-start;flex-direction:column}.pc-educator-shortcut-actions{justify-content:flex-start}}
@media(max-width:600px){.container.mmm-challenge-shell{width:min(100% - 18px,1180px)}.pc-hero,.pc-start,.pc-runner,.pc-results{padding:15px}.pc-proof{grid-template-columns:1fr}.pc-conf-grid{grid-template-columns:1fr 1fr}.pc-result-grid{grid-template-columns:1fr}.pc-question-actions{align-items:stretch;flex-direction:column-reverse}.pc-next{width:100%}.pc-hint{text-align:center}.pc-actions{display:grid}.pc-btn{width:100%}.pc-share{display:grid}.pc-share .pc-btn{width:100%}.pc-educator-shortcut-actions{display:grid;width:100%}.pc-educator-shortcut .pc-btn{width:100%;white-space:normal}}
@media(prefers-reduced-motion:reduce){.mmm-pc *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* j61se: at-a-glance performance-pattern visual */
.pc-pattern{margin-top:16px;padding:16px;border-radius:20px;border:1px solid rgba(92,223,255,.16);background:linear-gradient(145deg,rgba(7,31,48,.94),rgba(6,18,31,.96));overflow:hidden}.pc-pattern-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.pc-pattern-head h3{margin:4px 0 4px;color:#fff;font-size:clamp(1.15rem,2vw,1.45rem)}.pc-pattern-head p{margin:0;max-width:72ch;font-size:.82rem}.pc-pattern-legend{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;color:#a9c2cf;font-size:.72rem;font-weight:850;white-space:nowrap}.pc-pattern-legend span{display:inline-flex;align-items:center;gap:5px}.pc-pattern-legend i{width:9px;height:9px;border-radius:50%;display:inline-block}.pc-pattern-legend i.strong{background:var(--pc-teal)}.pc-pattern-legend i.mixed{background:var(--pc-yellow)}.pc-pattern-legend i.rebuild{background:#ff9aab}.pc-signal-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:14px}.pc-signal{position:relative;min-width:0;padding:13px 13px 14px;border-radius:16px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.025)}.pc-signal:not(:last-child)::after{content:'›';position:absolute;right:-9px;top:50%;z-index:2;transform:translateY(-58%);color:rgba(121,231,255,.55);font-size:1.45rem;font-weight:400}.pc-signal-top{display:flex;justify-content:space-between;gap:8px;align-items:center}.pc-signal-num{font-size:.67rem;letter-spacing:.14em;font-weight:950;color:#7896a7}.pc-signal-status{padding:4px 7px;border-radius:999px;background:rgba(255,255,255,.05);color:#dcecf5;font-size:.69rem;font-weight:900;line-height:1.15;text-align:right}.pc-signal>strong{display:block;margin-top:10px;color:#fff;font-size:1rem}.pc-signal-name{display:block;margin-top:2px;color:#93afbe;font-size:.76rem;font-weight:750}.pc-signal-meter{height:7px;margin-top:12px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}.pc-signal-meter>i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--pc-teal),var(--pc-cyan));transition:width .45s ease}.pc-signal[data-tone="strong"]{border-color:rgba(37,222,211,.26);background:rgba(37,222,211,.055)}.pc-signal[data-tone="strong"] .pc-signal-status{background:rgba(37,222,211,.12);color:#bffdf7}.pc-signal[data-tone="mixed"]{border-color:rgba(255,215,106,.25);background:rgba(255,215,106,.045)}.pc-signal[data-tone="mixed"] .pc-signal-status{background:rgba(255,215,106,.11);color:#ffe7a0}.pc-signal[data-tone="mixed"] .pc-signal-meter>i{background:linear-gradient(90deg,#ffd76a,#f4b65f)}.pc-signal[data-tone="rebuild"]{border-color:rgba(255,154,171,.24);background:rgba(255,154,171,.045)}.pc-signal[data-tone="rebuild"] .pc-signal-status{background:rgba(255,154,171,.11);color:#ffd0d8}.pc-signal[data-tone="rebuild"] .pc-signal-meter>i{background:linear-gradient(90deg,#ff9aab,#c984ff)}.pc-pattern-caption{margin:12px 0 0!important;padding-top:11px;border-top:1px solid rgba(255,255,255,.07);color:#c3d8e4!important;font-size:.86rem!important}
@media(max-width:860px){.pc-signal-rail{grid-template-columns:repeat(2,minmax(0,1fr))}.pc-signal:nth-child(2)::after{display:none}.pc-pattern-head{display:grid}.pc-pattern-legend{justify-content:flex-start}}
@media(max-width:600px){.pc-pattern{padding:14px}.pc-signal-rail{grid-template-columns:1fr}.pc-signal::after{display:none!important}.pc-pattern-legend{gap:8px}.pc-signal>strong{font-size:.96rem}}
@media(prefers-reduced-motion:reduce){.pc-signal-meter>i{transition:none!important}}