.mm{box-sizing:border-box;max-width:1100px;width:100%;margin:30px auto;padding:0 18px 40px;color:#16476a;font-family:Nunito,'Segoe UI',sans-serif}.mm *{box-sizing:border-box}.mm [hidden]{display:none!important}.mm .intro{text-align:center;max-width:820px;margin:0 auto 24px}.mm h1{font-size:clamp(2rem,4vw,2.8rem);line-height:1.2;font-weight:800;color:#0875ac;margin:0 0 12px}.mm h2{font-size:1.3rem;margin:0 0 12px}.mm h3{font-size:1.04rem;margin:0 0 9px}.mm p{line-height:1.65}.mm .intro p{font-size:1.1rem;margin:0}.mm .glass{padding:24px;border:1px solid white;border-radius:26px;background:linear-gradient(135deg,#ffffffed,#e7f9ffda);box-shadow:inset 0 1px white,0 12px 32px #1d779f26}.mm .grid{display:grid;gap:20px}.mm .two{grid-template-columns:1fr 1fr}.mm .three{grid-template-columns:repeat(3,minmax(0,1fr))}.mm .row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.mm .between{justify-content:space-between}.mm .mt{margin-top:20px}.mm .small{font-size:.83rem;color:#486e87;line-height:1.6}.mm .pill{display:inline-flex;align-items:center;padding:7px 12px;border:1px solid white;border-radius:999px;background:linear-gradient(#faffff,#d9efff);color:#086591;font-size:.75rem;font-weight:800;box-shadow:inset 0 1px white,0 3px 10px #176b9815}.mm .purple{color:#6547a5;background:linear-gradient(#fff,#eee8ff)}.mm .team{border-top:4px solid #2193ce}.mm .team.purple{border-top-color:#8262bb;color:#16476a}.mm label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;font-weight:800}.mm button,.mm input,.mm select{font:inherit;min-height:44px}.mm button{border-radius:999px;border:1px solid #8ac5e4;background:linear-gradient(#a8e4f7,#68bfdf 48%,#208fbc 51%,#0c75a9);color:white;box-shadow:inset 0 1px #ffffffcc,0 3px 8px #12658d25;text-shadow:0 1px 1px #07538066;padding:10px 16px;font-weight:800;cursor:pointer}.mm button:hover:not(:disabled){filter:brightness(1.05)}.mm button.secondary{background:linear-gradient(#fff,#e5f4ff);color:#17618d;border-color:#aacfe5;text-shadow:0 1px white}.mm button.danger{background:linear-gradient(#fff5ef,#ffdbca);color:#923d29;border-color:#d7a994;text-shadow:none}.mm button:disabled{opacity:.45;cursor:default;box-shadow:none}.mm :is(input,select){padding:10px 12px;border:1px solid #9fc7df;border-radius:12px;background:linear-gradient(#f5fbff,#fff);color:#16476a;width:100%}.mm input[type=checkbox]{width:20px;min-height:20px;accent-color:#1686b5}.mm .check{display:flex;flex-direction:row;align-items:center;gap:8px;padding:7px}.mm .choices{display:flex;gap:3px 10px;flex-wrap:wrap}.mm :focus-visible{outline:3px solid #0875ac;outline-offset:3px}.mm fieldset{border:1px solid #b4d5e8;border-radius:16px;padding:15px;margin:0;min-width:0}.mm legend{font-weight:900;padding:0 7px}.mm .field-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.mm .full{grid-column:1/-1}.mm .status{min-height:1.6em;font-size:.9rem;color:#316d91}.mm .warning{padding:12px 15px;background:#fff5de;border:1px solid #d5b96b;border-radius:12px;color:#805b1f}.mm .timer{font-size:1.3rem;font-weight:900;color:#086591;font-variant-numeric:tabular-nums}.mm .muted{color:#628399}.mm .pair-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}.mm .pair{padding:16px;border:1px solid #b4d5e8;border-radius:16px;background:#ffffffad}.mm .pair ul{padding-left:18px;margin:8px 0}.mm .offline{opacity:.55}.mm .assign-table{width:100%;border-collapse:collapse;font-size:.85rem}.mm .assign-table td,.mm .assign-table th{padding:8px;text-align:left;border-bottom:1px solid #c5dfed}.mm .assign-table select{min-width:120px}.mm .table-scroll{overflow:auto}.mm .toolbar{padding:15px;background:linear-gradient(#fff,#e5f4ff);border:1px solid #b4d5e8;border-radius:16px;display:flex;gap:10px;flex-wrap:wrap;align-items:end}.mm .toolbar label{min-width:95px}.mm .score{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.mm .measure{padding:4px 8px 8px;border:1px solid #b3d3e7;border-radius:14px;background:#fff;min-width:0;overflow:auto;position:relative}.mm .measure.incomplete{border-color:#d8b66c;background:#fffdf6}.mm .measure.playing{outline:3px solid #4cb5de;outline-offset:0}.mm .measure-label{font-size:.73rem;font-weight:800;color:#537b94;padding:7px 5px}.mm .staff{min-height:150px}.mm .staff svg{display:block}.mm .empty-measure{font-size:.78rem;color:#6d8b9e;margin:0 8px 8px}.mm .note-hit{fill:transparent;stroke:transparent;stroke-width:2;cursor:pointer;touch-action:manipulation}.mm .note-hit.selected,.mm .note-hit:focus{fill:#79d0f644;stroke:#1686b5}.mm .note-hit.playing{fill:#f3c85766;stroke:#c69a28}.mm .approval{padding:16px;border-radius:16px;background:#e8f6ff;border:1px solid #b4d5e8}.mm .matching{display:grid;grid-template-columns:230px minmax(0,1fr);gap:18px}.mm .audio-column{position:sticky;top:12px;align-self:start;max-height:75vh;overflow:auto}.mm .clip{padding:12px;border:1px solid #b4d5e8;border-radius:16px;background:#fff;margin:0 0 10px}.mm .clip.selected{outline:3px solid #1686b5;background:#e4f5ff}.mm .clip button{padding:7px 11px;min-height:40px;font-size:.8rem}.mm .clip strong{display:block;margin-bottom:8px}.mm .notation-card{border:2px solid #c0dceb;border-radius:18px;padding:14px;background:#ffffffdb;cursor:pointer}.mm .notation-card.selected,.mm .notation-card.matched{border-color:#1686b5;background:#e8f7ff}.mm .notation-card.correct{border-color:#2b916e}.mm .notation-card.wrong{border-color:#bb7058}.mm .notation-card .score{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.mm .notation-card .measure{padding:2px}.mm .notation-card .measure-label{font-size:.67rem}.mm .notation-card .staff{min-height:120px}.mm .sticky-selection{position:sticky;top:0;z-index:2;padding:12px;border:1px solid #a6d3ec;border-radius:13px;background:#edfafff2;backdrop-filter:blur(12px);font-size:.85rem;font-weight:800;margin-bottom:12px}.mm .score-total{font-size:2rem;font-weight:900}.mm .review-item{padding:16px 0;border-top:1px solid #c3dcea}.mm .error-breakdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.mm .error-breakdown>div{padding:14px;border-radius:14px;background:#ffffffa8;border:1px solid #bdd8e9}.mm details{margin-top:16px;line-height:1.7}.mm summary{font-weight:900;cursor:pointer}.mm .playback{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.mm .playback button{font-size:.8rem;padding:8px 12px}.mm .roundbar{padding:16px 20px;position:sticky;top:0;z-index:8;backdrop-filter:blur(12px)}.mm .banner{background:#e5f4ff;border:1px solid #aad0e7;border-radius:16px;padding:16px}.mm .notice{border-left:4px solid #1686b5;padding:10px 14px;background:#ffffff99}.mm .loading{text-align:center;padding:40px}.mm .connection{color:#89631d;font-size:.83rem;min-height:1.2em}.mm a{color:#086591;font-weight:800}.mm button.approved{background:linear-gradient(#e9fff7,#a8e4d0);color:#256e56;border-color:#8dc3ae;text-shadow:none}
@media(max-width:800px){.mm .two,.mm .three{grid-template-columns:1fr}.mm .field-grid{grid-template-columns:1fr 1fr}.mm .matching{grid-template-columns:1fr}.mm .audio-column{position:static;display:grid;grid-template-columns:1fr 1fr;gap:8px;max-height:none}.mm .clip{margin:0}.mm .notation-card .score{grid-template-columns:1fr}.mm .score{grid-template-columns:1fr}.mm .error-breakdown{grid-template-columns:1fr 1fr}.mm .glass{padding:18px}.mm .roundbar{position:static}.mm .toolbar{gap:8px}.mm .toolbar label{flex:1;min-width:115px}}
@media(max-width:480px){.mm{padding:0 9px 30px;margin-top:22px}.mm .field-grid{grid-template-columns:1fr}.mm .audio-column{grid-template-columns:1fr}.mm .intro p{font-size:1rem}.mm .pill{font-size:.7rem}.mm .error-breakdown{grid-template-columns:1fr 1fr}.mm .score-total{font-size:1.6rem}}
@media(prefers-reduced-motion:reduce){.mm *{scroll-behavior:auto!important}}

.mm .report-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px}.mm .report-metrics>div{padding:16px;border:1px solid #b4d5e8;border-radius:16px;background:#ffffffb3}.mm .report-metrics strong{display:block;font-size:1.55rem}.mm .report-metrics span{font-size:.78rem;color:#486e87}.mm .report-pie{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.mm .report-pie svg{width:min(100%,280px);height:auto}.mm .report-legend{list-style:none;padding:0;flex:1;min-width:175px}.mm .report-legend li{display:flex;align-items:center;gap:9px;margin:10px 0;font-size:.85rem}.mm .report-legend strong{margin-left:auto}.mm .report-swatch{width:16px;height:16px;flex:none;border-radius:4px}.mm .report-example{border-top:1px solid #b4d5e8;margin-top:20px;padding-top:20px}.mm .mm-report summary{cursor:pointer;font-weight:800}@media(max-width:700px){.mm .report-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.mm .report-pie{justify-content:center}.mm .report-legend{min-width:100%}}

.mm .room-code-panel{text-align:center;padding:clamp(1rem,4vw,3rem);border:2px solid #8cd8ee;border-radius:16px;background:linear-gradient(135deg,#fff,#e5f7ff)}
.mm .room-code{font-family:ui-monospace,monospace;font-size:clamp(1.6rem,6vw,4.5rem);font-weight:800;letter-spacing:.06em;overflow-wrap:anywhere;margin:.6em 0}
.mm .task-guide{border-left:4px solid #8cd8ee}.mm .task-guide ol{padding-left:1.4rem}.mm .task-guide li{margin:.65rem 0;line-height:1.55}
.mm #join-status{min-height:1.5em}.mm input[name="code"]{text-transform:uppercase}