[hidden]{display:none!important}
.equal-two-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;width:100%;max-width:360px;margin:auto}.equal-two-grid .half-note-example{grid-column:1/-1}.comparison-quarter{height:96px;border:2px solid #dce7dd;border-radius:12px;background:white;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}.comparison-quarter small{font-size:11px;color:var(--muted)}.token-tray .rhythm-chip{touch-action:none;-webkit-user-select:none;user-select:none;display:flex;flex-direction:column;align-items:center;gap:5px;min-width:105px;border:2px solid #dce7dd}.token-tray .rhythm-chip svg{pointer-events:none}.token-tray .rhythm-chip.active{border-color:var(--green);background:#d9eddc}.drop-zone.drag-over{background:#cfe8d2;border-color:var(--green)}.drag-ghost{position:fixed;z-index:1000;transform:translate(-50%,-50%);pointer-events:none;border:2px solid #16756a;background:#e5f1e8e6;border-radius:12px;padding:10px 16px;box-shadow:0 5px 20px #234b3f30}.volume-control{display:flex;align-items:center;gap:10px;margin:12px 0}.volume-control>input{flex:1;width:auto;margin:0;padding:0;accent-color:var(--green)}.metro-controls{border:1px solid #dce7dd;padding:16px;border-radius:14px;margin:15px 0;background:#f8faf4}.station-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.score-image{max-height:430px;object-fit:contain}.upload-helper{margin-top:12px}
@media(max-width:800px){.station-grid{grid-template-columns:1fr}.equal-two-grid{max-width:100%}.volume-control{gap:8px}}
:root{--ink:#243d3b;--muted:#768581;--green:#16756a;--mint:#e0f0e7;--cream:#faf8f2;--orange:#eb9463;--line:#e7e9e1;--shadow:0 8px 28px #284b3f08}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:15px/1.65 'Noto Sans SC',-apple-system,BlinkMacSystemFont,'PingFang SC',sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #e9ad64;outline-offset:3px}button:disabled{cursor:default;opacity:.5}a{color:var(--green)}h1,h2,h3,p{margin:0}h1{font-size:29px;line-height:1.4;letter-spacing:-1px}h2{font-size:22px;line-height:1.5}h3{font-size:17px}small,.small{font-size:12px}svg{vertical-align:middle}header{height:78px;border-bottom:1px solid var(--line);background:#fffefa;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1180px)/2));gap:16px}.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:800;white-space:nowrap}.brand-symbol{background:var(--green);color:white;width:39px;height:39px;border-radius:13px;display:grid;place-items:center;font-size:25px}.brand small{display:block;font-weight:400;color:var(--muted);font-size:10px;letter-spacing:2px;margin-top:-3px}.header-right{display:flex;gap:12px;align-items:center}.role{border:1px solid var(--line);border-radius:24px;background:white;padding:8px 12px;font-size:12px;max-width:170px}.avatar{width:38px;height:38px;border-radius:50%;background:#f2dfb5;display:grid;place-items:center;font-weight:700}.layout{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:200px minmax(0,1fr);gap:44px;padding:32px 24px 70px}.sidebar{padding-top:12px}.sidebar .label{font-size:11px;color:var(--muted);letter-spacing:1px;margin:0 16px 14px}.nav-item{display:flex;width:100%;align-items:center;gap:12px;padding:13px 16px;margin:4px 0;border-radius:13px;background:transparent;text-align:left;color:#6f817b;font-weight:500}.nav-item.active{background:var(--mint);color:var(--green);font-weight:700}.nav-item svg{width:21px;height:21px}.sidebar-note{margin:38px 6px 0;padding:16px;border:1px dashed #d5ded3;border-radius:16px;font-size:12px;color:var(--muted)}.sidebar-note strong{display:block;color:var(--ink);margin-bottom:6px}.main{min-width:0}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--green);font-weight:700;margin-bottom:8px}.muted{color:var(--muted)}.page-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}.page-title p{margin-top:5px;color:var(--muted);font-size:13px}.tag{display:inline-flex;align-items:center;gap:5px;font-size:11px;padding:4px 9px;border-radius:8px;background:#edf2ec;color:var(--green)}.tag.orange{background:#fcf0e3;color:#ac713b}.tag.gray{background:#f0f1ed;color:#78847f}.hero{position:relative;overflow:hidden;background:#e7f1e9;border:1px solid #d8e8dc;border-radius:26px;padding:32px;min-height:225px;margin-bottom:26px;display:flex;align-items:center;justify-content:space-between;gap:22px}.hero h2{font-size:27px;margin:8px 0}.hero p{font-size:13px;color:#648477;margin-bottom:18px}.hero-art{width:210px;flex-shrink:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;background:var(--green);color:white;padding:12px 18px;font-weight:600;font-size:14px;text-decoration:none;min-height:44px}.btn.secondary{background:white;color:var(--green);border:1px solid #d8e4da}.btn.soft{background:var(--mint);color:var(--green)}.btn.orange{background:#e58e5b;color:white}.btn.danger{background:#fcf0ec;color:#ad5344}.btn.tiny{padding:7px 12px;font-size:12px;min-height:35px}.btn.full{width:100%}.inline{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.section-title{display:flex;align-items:center;justify-content:space-between;margin:26px 0 14px}.section-title h3{font-size:17px}.station-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.station{padding:23px 20px;border:1px solid var(--line);background:white;border-radius:20px;text-align:left;box-shadow:var(--shadow);transition:transform .2s}.station:hover{transform:translateY(-3px)}.station .iconbox{width:52px;height:52px;display:grid;place-items:center;border-radius:17px;background:#e7f2e9;margin:0 0 18px;font-size:28px}.station:nth-child(2) .iconbox{background:#faf0df}.station:nth-child(3) .iconbox{background:#eaeaf6}.station p{color:var(--muted);font-size:12px;margin:7px 0 18px}.station-footer{font-size:11px;color:var(--green);display:flex;justify-content:space-between}.progress{height:5px;background:#eef1eb;border-radius:8px;overflow:hidden;margin-top:9px}.progress>i{height:100%;display:block;background:#83b19c;border-radius:8px}.fixed-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:0 20px}.fixed-row{display:flex;align-items:center;gap:14px;padding:17px 0;border-bottom:1px solid var(--line)}.fixed-row:last-child{border:0}.round-icon{width:38px;height:38px;border-radius:12px;background:#f2f5ee;display:grid;place-items:center;flex-shrink:0}.fixed-row .text{flex:1}.fixed-row h3{font-size:14px}.fixed-row p{font-size:12px;color:var(--muted);margin-top:2px}.plain{background:transparent;padding:5px;color:var(--green)}.notice{margin-top:18px;padding:12px 15px;border-radius:12px;background:#f3f0e6;font-size:12px;color:#857b5c}.panel{border:1px solid var(--line);background:white;border-radius:20px;padding:23px;margin-bottom:18px}.panel h3{margin-bottom:10px}.panel p{font-size:13px;color:var(--muted)}.task-layout{display:grid;grid-template-columns:185px minmax(0,1fr);gap:18px}.task-menu{display:flex;flex-direction:column;gap:7px}.task-menu button{background:transparent;text-align:left;padding:12px;border-radius:12px;font-size:13px;color:#72847c;border:1px solid transparent}.task-menu button.active{background:#e5f1e8;border-color:#d6e5d8;color:var(--green);font-weight:700}.task-menu span{font-size:10px;display:block;font-weight:400;margin-top:2px}.stage{border:1px solid var(--line);background:white;border-radius:22px;padding:25px;min-width:0}.stage .lead{font-size:13px;color:var(--muted);margin:7px 0 20px}.stage h2{font-size:22px}.demo-slot{border:1px dashed #cadbd0;background:#f6faf5;border-radius:16px;padding:18px;margin-bottom:19px;display:flex;align-items:center;gap:15px}.demo-slot .play-icon{width:43px;height:43px;background:#e2eee2;color:var(--green);display:grid;place-items:center;border-radius:50%;flex-shrink:0}.demo-slot p{font-size:11px;color:var(--muted)}video{display:block;width:100%;max-height:320px;background:#182623;border-radius:14px;margin:12px 0}.form-row{display:flex;gap:12px;flex-wrap:wrap;margin:14px 0}label{font-size:12px;color:#667e72;display:block}input,select,textarea{border:1px solid #dce4db;border-radius:9px;background:#fff;padding:9px 11px;color:var(--ink);max-width:100%}label>input,label>select,label>textarea{display:block;width:100%;margin-top:5px}textarea{width:100%;min-height:90px;resize:vertical}.form-row label{flex:1;min-width:115px}.beat-board{background:#faf9f3;border-radius:18px;padding:23px 15px;margin:18px 0;text-align:center}.beat-status{font-size:13px;color:var(--green);min-height:25px;margin-bottom:12px}.beat-cells{display:flex;gap:8px;justify-content:center}.beat-cell{flex:1;max-width:130px;height:89px;background:#fff;border:2px solid #dce7dd;border-radius:12px;display:grid;place-content:center;transition:background .12s,border .12s;font-size:24px;position:relative}.beat-cell small{display:block;font-size:11px;color:var(--muted)}.beat-cell.on{background:#d4eadc;border-color:var(--green)}.beat-cell.hold{background:#edf4df}.beat-cell.split2{background-image:linear-gradient(90deg,transparent 49%,#dce7dd 49%,#dce7dd 51%,transparent 51%)}.beat-cell.split4{background-image:repeating-linear-gradient(90deg,transparent,transparent calc(25% - 1px),#dce7dd calc(25% - 1px),#dce7dd 25%)}.beat-cell.wide{max-width:none;flex:2}.beat-cell .held-line{height:4px;width:85%;background:#83b19c;position:absolute;bottom:18px;left:7.5%;border-radius:4px}.choice-row{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.choice{flex:1;min-width:110px;border:2px solid #e4e9df;background:#fff;border-radius:14px;padding:16px;text-align:center;font-size:18px}.choice.active{border-color:var(--green);background:#edf5ed}.choice.correct{border-color:var(--green);background:var(--mint)}.choice.wrong{border-color:#cc9373;background:#fff4ed}.feedback{min-height:27px;font-size:13px;color:var(--green);margin:10px 0}.score-image{width:100%;display:block;border:1px solid var(--line);border-radius:12px;margin:14px 0}.source-link{font-size:11px;color:#718c7c}.rhythm-line{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:15px 0}.rhythm-chip{background:#f3f6ef;border:1px solid #e1e7dc;border-radius:10px;padding:10px 13px;cursor:grab;user-select:none;text-align:center;min-width:74px}.rhythm-chip strong{font-size:24px;display:block;line-height:1.3}.rhythm-chip small{color:var(--muted)}.drop-row{display:flex;gap:8px}.drop-zone{border:2px dashed #c7d9c9;border-radius:12px;background:#fafdf8;min-height:76px;flex:1;min-width:0;display:grid;place-items:center;cursor:pointer;font-size:24px}.drop-zone.filled{border-style:solid;background:#e9f2e6}.poem{font-size:24px;line-height:2.2;text-align:center;letter-spacing:3px;padding:12px 0}.poem-line{margin-bottom:4px}.poem-char.active{color:var(--green);background:#e0eee0;border-radius:5px}.staff-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fafff9;margin:16px 0;padding:8px}.staff-svg{display:block;width:100%;min-width:420px;height:auto}.staff-note{cursor:pointer}.staff-note:hover .note-head{fill:#789c84}.staff-note.selected .note-head{fill:#dc8657}.staff-note.matched .note-head{fill:var(--green)}.mnemonic{background:#f0f5eb;padding:20px;border-radius:16px;font-size:19px;line-height:2;text-align:center;margin:16px 0}.record-panel{background:#faf9f4;border:1px solid var(--line);border-radius:16px;padding:18px;margin-top:24px}.record-panel h3{margin-bottom:4px}.camera-placeholder{height:160px;border-radius:12px;background:#e9eee6;display:grid;place-content:center;text-align:center;color:#879387;font-size:13px;margin:12px 0}.record-status{font-size:12px;color:#777f70;margin:9px 0}.semester-switch{display:flex;gap:8px;margin:20px 0}.semester-switch button{padding:10px 18px;border-radius:11px;background:#eeeee5;color:#8a9387}.semester-switch button.active{background:var(--green);color:white}.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.course-tile{border:1px solid var(--line);border-radius:16px;background:white;text-align:left;padding:17px;min-height:105px}.course-tile.ready{border-color:#bdcfbf;background:#eff5eb}.course-tile .num{font-size:25px;font-weight:700;color:#849f8c}.course-tile p{font-size:12px;margin-top:6px}.course-tile small{color:var(--muted);font-size:10px}.timeline{border-left:2px solid #d5e3d6;margin:24px 0 0 12px;padding-left:25px}.timeline-item{position:relative;padding-bottom:24px}.timeline-item:before{content:'';position:absolute;left:-33px;top:5px;width:12px;height:12px;border-radius:50%;background:#78a58e;border:2px solid var(--cream)}.timeline-item .panel{margin-top:12px}.profile-card{display:flex;gap:17px;align-items:center}.profile-card .avatar{width:68px;height:68px;font-size:25px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.stat{background:white;border:1px solid var(--line);border-radius:17px;padding:17px}.stat strong{display:block;font-size:27px;color:var(--green)}.stat span{font-size:11px;color:var(--muted)}.plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.plan{background:white;border:1px solid var(--line);border-radius:18px;padding:21px}.plan.featured{border:2px solid #8aaf91;background:#f8fcf5}.plan .price{font-size:26px;margin:15px 0}.plan p{font-size:12px;color:var(--muted);margin:8px 0 18px}.admin-toolbar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin:15px 0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:12px;white-space:nowrap}th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px 10px}th{font-weight:500;color:var(--muted);background:#fafbf7}.empty{text-align:center;padding:40px 16px;color:var(--muted)}.empty strong{display:block;color:var(--ink);margin-bottom:8px}.admin-menu{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.admin-menu button{background:#edeee6;border-radius:9px;padding:9px 13px;font-size:12px}.admin-menu button.active{background:var(--green);color:white}.checklist{display:flex;flex-wrap:wrap;gap:10px;margin:15px 0}.checklist label{display:flex;align-items:center;gap:7px;background:#f3f6ee;padding:8px 10px;border-radius:8px}.checklist input{margin:0;width:auto}.bottom-nav{display:none}.footer-note{font-size:11px;color:var(--muted);margin:25px 0;text-align:center}.modal-shade{position:fixed;inset:0;background:#102c2780;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px}.modal{width:100%;max-width:530px;max-height:90vh;overflow:auto;background:#fffefa;border-radius:24px;padding:26px;box-shadow:0 30px 70px #12342f30}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.modal p{font-size:13px;color:var(--muted);margin:10px 0}.modal img{width:100%}#toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);background:#254a40;color:white;z-index:99;border-radius:12px;padding:12px 20px;max-width:90%;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s}#toast.show{opacity:1}.step-tag{color:#8ba391;font-size:11px;letter-spacing:1px;margin-bottom:5px}.back{display:inline-flex;gap:10px;align-items:center;color:var(--green);background:#fff;font-size:13px;font-weight:700;padding:7px 16px 7px 7px;margin-bottom:18px;border:1px solid #cfe0d4;border-radius:999px;min-height:44px;box-shadow:0 3px 12px #284b3f14;transition:background .15s,border-color .15s,transform .1s}.back:hover{background:#f2f8f1;border-color:#a9c9b6}.back:active{transform:scale(.98)}.back-arrow{width:30px;height:30px;border-radius:50%;background:var(--mint);display:grid;place-items:center;font-size:17px;line-height:1;flex-shrink:0}.track-choice{width:100%}.task-nav-bottom{display:flex;justify-content:space-between;gap:10px;margin-top:20px}.lesson-assets audio{width:100%;margin:8px 0}.wide-admin .layout{grid-template-columns:190px minmax(0,1fr);gap:30px;max-width:1280px}.storage-scale{display:flex;gap:0;height:20px;border-radius:8px;overflow:hidden;background:#eef0e6;margin:15px 0}.storage-scale span{background:#8baf98}.storage-scale span:nth-child(2){background:#dbab78}.desktop-only-note{display:none}.app-badge{border:1px solid #d5e2d8;background:#f4f8f0;font-size:10px;color:#759580;border-radius:8px;padding:5px 8px}
@media(min-width:1100px){.stage{padding:30px}.hero{padding:32px 36px}.task-layout{grid-template-columns:190px minmax(0,1fr)}}
@media(max-width:800px){header{height:66px;padding:0 20px}.brand{font-size:16px;gap:9px}.header-right{gap:7px}.header-right .avatar,.app-badge{display:none}.role{padding:7px 8px;max-width:140px;font-size:11px}.layout,.wide-admin .layout{display:block;padding:25px 20px 100px}.sidebar{display:none}.page-title{margin-bottom:20px}.page-title h1{font-size:25px}.hero{padding:24px;min-height:220px;border-radius:23px}.hero h2{font-size:24px}.hero-art{width:130px;position:absolute;right:-4px;bottom:13px;opacity:.9}.hero>div:first-child{position:relative;z-index:1;max-width:73%}.hero p{max-width:220px;font-size:12px}.hero .btn{padding:10px 15px}.station-grid{grid-template-columns:1fr;gap:12px}.station{display:grid;grid-template-columns:52px 1fr 20px;gap:0 15px;padding:19px;align-items:center}.station .iconbox{grid-row:1/4;margin:0}.station h3{font-size:17px}.station p{margin:4px 0;font-size:12px}.station-footer{grid-column:2/4;font-size:10px;margin-top:5px}.station .progress{display:none}.fixed-list{padding:0 15px}.fixed-row{gap:10px}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;padding:9px 8px calc(9px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fffefaee;backdrop-filter:blur(12px);z-index:20;justify-content:space-around}.bottom-nav button{background:transparent;display:flex;flex-direction:column;align-items:center;gap:4px;color:#8b978f;font-size:10px;min-width:55px}.bottom-nav button svg{width:21px;height:21px}.bottom-nav button.active{color:var(--green);font-weight:700}.task-layout{display:block}.task-menu{flex-direction:row;overflow:auto;margin-bottom:15px;padding-bottom:4px}.task-menu button{flex-shrink:0;padding:9px 12px;font-size:12px}.task-menu span{display:none}.stage{padding:20px;border-radius:19px}.beat-board{padding:20px 10px}.beat-cell{height:78px;font-size:21px}.demo-slot{padding:14px;gap:10px}.course-grid{grid-template-columns:repeat(4,1fr);gap:8px}.course-tile{padding:12px 8px;border-radius:12px;min-height:94px}.course-tile .num{font-size:22px}.course-tile p{font-size:10px}.course-tile small{font-size:9px}.stats{gap:8px}.stat{padding:14px 10px}.stat strong{font-size:23px}.plan-grid{grid-template-columns:1fr}.panel{padding:19px}.poem{font-size:21px;letter-spacing:2px}.mnemonic{font-size:17px;padding:14px}.desktop-only-note{display:block;margin:15px 0;color:var(--muted);font-size:11px}.choice{font-size:16px;padding:13px 10px}.modal{padding:22px}.staff-svg{min-width:550px}.task-nav-bottom .btn{font-size:12px;padding:10px 12px}.page-title .tag{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:800px){.station h3,.station p{grid-column:2/4}.station p{max-width:none}.station .iconbox{grid-row:1/4}.station-footer{grid-column:2/4}}
.station-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.token-tray .rhythm-chip{touch-action:none}.token-tray .rhythm-chip svg{pointer-events:none}.rhythm-chip.active{border-color:var(--green);background:#d9eddc}
@media(max-width:800px){.station-grid{grid-template-columns:1fr}}
.course-top{display:flex;align-items:center;justify-content:space-between;gap:6px}.course-tile.locked{background:#f5f4ee}.course-tile.locked .course-top svg{color:#98a495}.music-note-symbol{display:inline-block;flex-shrink:0;color:var(--ink)}.half-note-example{position:relative;border:2px solid #dce7dd;border-radius:12px;background:#fff;flex:1;padding:10px 0 0}.half-note-example:before{content:'';position:absolute;top:0;bottom:0;left:50%;border-left:1px dashed #dce7dd;pointer-events:none}.half-note-example>.music-note-symbol,.half-example-label{position:relative;background:white}.half-example-label{font-size:12px;display:table;margin:0 auto 8px;padding:0 7px}.beat-positions{display:flex;width:100%;font-size:11px;color:var(--muted);border-top:1px solid #dce7dd;background:#f8faf4}.beat-positions>span{flex:1;text-align:center;padding:8px 3px}.beat-positions>span+span{border-left:1px solid #dce7dd}.rhythm-beat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin:18px 0}.rhythm-event{border:2px solid #dce7dd;border-radius:12px;min-width:0;text-align:center;background:#fafcf7;overflow:hidden;padding-top:10px;position:relative}.rhythm-event.two-beats:before{content:none}.rhythm-event>.music-note-symbol,.rhythm-event>small{position:relative;background:#fafcf7}.rhythm-event>small{display:table;margin:0 auto 8px;padding:0 8px}.rhythm-event.active{border-color:var(--green);background:#d4eadc}.rhythm-event.active>small,.rhythm-event.active>.music-note-symbol{background:#d4eadc}.rhythm-event.active .beat-positions{background:#e3f0e3}.drop-zone{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:2px;position:relative}.drop-zone small{font-size:9px;line-height:1.4;white-space:normal;text-align:center}.drop-zone.half-start{border-right-style:dashed;border-top-right-radius:0;border-bottom-right-radius:0;margin-right:-9px;z-index:1}.drop-zone.half-hold{border-left:0;border-top-left-radius:0;border-bottom-left-radius:0}.hold-symbol{font-size:29px;color:var(--green)}

.staff-note.found .note-head{stroke:#16756a;stroke-width:3;fill:#b4dfc6}.staff-note.selected .note-head{stroke:#e28c4d;stroke-width:3;fill:#f4bd89}.practice-focus .sidebar,.practice-focus .bottom-nav{display:none}.practice-focus .layout{grid-template-columns:minmax(0,1fr);max-width:1000px}.practice-focus .task-layout{display:block}.practice-focus .task-menu{display:flex;overflow-x:auto;gap:8px;margin-bottom:16px}.practice-focus .task-menu button{flex:0 0 auto}.practice-focus .task-menu span{display:none}@media(max-width:700px){.practice-focus .layout{padding-bottom:28px}.practice-focus .brand{font-size:14px}.practice-focus .task-menu button{font-size:12px}}

.staff-note.found .half-head,.staff-note.selected .half-head{fill:white}

.student-shell .sidebar{display:none}.student-shell .layout{grid-template-columns:minmax(0,1fr);max-width:1050px;padding-bottom:95px}.student-shell .bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:20;background:#fffefa;border-top:1px solid var(--line);justify-content:center;padding:8px 16px max(8px,env(safe-area-inset-bottom));gap:10px}.student-shell .bottom-nav button{flex:1;max-width:180px;background:transparent;display:flex;flex-direction:column;align-items:center;font-size:12px;gap:4px;padding:7px;color:var(--muted)}.student-shell .bottom-nav button.active{color:var(--green);background:var(--mint);border-radius:12px}.student-shell.practice-focus .bottom-nav{display:none}.practice-focus .task-menu{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;overflow:visible}.practice-focus .task-menu button{width:100%;min-width:0;margin:0;padding:10px 6px;text-align:center;border:1px solid var(--line);border-radius:12px;font-size:13px;white-space:normal}.completion-banner{padding:18px;margin:16px 0;background:#dff1df;color:#176b4e;border:2px solid #a5d5b4;border-radius:15px;font-size:20px;font-weight:700}.staff-note.playing .note-head,.staff-note.tap-correct .note-head{stroke:#16756a;stroke-width:4;fill:#b4dfc6}.staff-note.tap-wrong .note-head{stroke:#d87459;stroke-width:4}.staff-note.tap-correct .half-head{fill:white}.tap-panel{margin:20px 0;padding:18px;border:1px solid var(--line);border-radius:16px;background:#f8fbf4}.tap-panel audio{width:100%;margin:12px 0}.tap-status{font-size:16px;font-weight:600;color:var(--green);margin:14px 0}.tap-panel .inline{margin-top:12px}.tap-current{outline:none}.tap-current .note-head{stroke:#e8a749;stroke-width:4}.practice-focus .task-layout{display:block!important}.practice-focus .stage{width:100%}

.note-pair{display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:8px}.number-note{font-size:26px;white-space:nowrap}.match-note{display:block;min-height:50px}.choice small[data-result]{display:block;font-size:15px}.staff-svg{padding-bottom:8px}

[data-basic-note]{touch-action:none}[data-basic-target]{min-height:140px}.choice .note-pair{display:flex}

.note-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;width:100%;min-width:128px;padding:8px 0}.notation-tile{display:flex;align-items:center;justify-content:center;min-height:72px;min-width:54px;border:1px solid #dce6df;border-radius:12px;background:#fff}.rhythm-number{font-size:32px;white-space:nowrap}.rhythm-chip .note-pair{width:156px}.rhythm-chip>small{display:block;margin-top:8px}.choice .note-pair{display:grid}.course-tile p{line-height:1.6}

.single-notation{display:flex;justify-content:center;align-items:center;min-height:72px;padding:8px 20px}.notation-switch{margin:0 0 20px}.rhythm-beat-grid{margin-top:20px}

.rhythm-number{font-size:44px;display:inline-flex;align-items:center;justify-content:center;gap:14px;line-height:1.15}.rhythm-dash{display:inline-block;width:24px;height:4px;background:currentColor;border-radius:1px}.choice[data-basic-target]{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:180px;text-align:center}.choice[data-basic-target]>strong{font-size:clamp(28px,4vw,36px);line-height:1.2}.choice[data-basic-target] .match-note:empty,.choice[data-basic-target] small:empty{display:none}.choice[data-basic-target] .match-note{min-height:0}

.staff-note.tap-current .note-hit{fill:#ffdf98!important}.staff-note.tap-current .note-head{fill:#bc651c!important;stroke:#bc651c!important}.staff-note.tap-current{filter:drop-shadow(0 0 5px #eaa44b)}.tap-panel audio{display:block;width:100%;margin:16px 0}

.rhythm-number{font-size:56px}.rhythm-dash{width:16px}.staff-wrap:has(svg[aria-label="小星星简谱，点击音符"]) .staff-svg{min-width:970px}

.numbered-score{width:970px!important;min-width:970px!important;max-width:none!important}.numbered-score text.note-head{font-size:58px;font-weight:600;stroke:none!important}.rhythm-number{font-size:64px!important}.rhythm-dash{width:10px!important;min-width:10px!important;max-width:10px!important;height:4px}

.numbered-melody{width:max-content;padding:18px 16px}.numbered-row{display:flex;align-items:flex-start;margin-bottom:32px}.numbered-row:last-child{margin-bottom:0}.numbered-meter{width:56px;flex:none;font-size:30px;font-weight:700;line-height:1.15;text-align:center;padding-top:8px}.numbered-meter>span{display:block}.numbered-measure{display:grid;grid-template-columns:64px 64px;gap:0;position:relative;padding:0 18px;min-height:128px}.numbered-measure:after{content:"";position:absolute;right:0;top:9px;width:1px;height:65px;background:#8aa18f;pointer-events:none}.numbered-event{padding:0;background:transparent;text-align:center;min-width:0;display:flex;flex-direction:column;align-items:center;gap:0;border-radius:8px}.numbered-sound{display:flex;align-items:center;justify-content:center;gap:32px;min-height:84px;width:100%}.numbered-sound .note-head{font-size:58px;font-weight:600;line-height:1.2;color:#254934}.melody-dash{width:12px;height:4px;background:#254934;flex:none}.numbered-check{height:24px;color:#16756a;font-size:20px;line-height:1.2}.numbered-name{font-size:14px;color:#749179}.numbered-event.found .note-head{color:#16756a}.numbered-event.selected .note-head{color:#e28c4d}.numbered-event.playing .note-head{color:#16756a}.numbered-event:focus-visible{outline-offset:0}

.answer-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;font-size:38px!important;line-height:1;font-weight:700}.answer-right{color:#d84343}.answer-wrong{color:#168665}.numbered-check{color:#d84343}.choice.correct{border-color:#d84343;background:#fff8f7}.choice.wrong{border-color:#168665;background:#f2faf6}

.rhythm-event.two-beats::before{display:none!important;content:none!important}.rhythm-event .single-notation{position:relative;background:inherit}.numbered-measure{padding-left:24px;padding-right:24px;flex:none}

.rhythm-number{align-items:center;gap:14px;height:72px}.rhythm-cross{display:block;line-height:1;transform:translateY(-2px)}.rhythm-dash{width:18px!important;min-width:18px!important;max-width:18px!important;height:4px;transform:translateY(2px)}.numbered-sound .note-head{font-size:46px!important}.numbered-sound{min-height:76px}.melody-dash{width:16px;height:3px}

[data-result]:empty{display:none}.choice.correct,.choice.wrong{border-color:#dce6df;background:#fff}.choice[data-basic-answer-selected]{border-color:#16756a}

.basic-note-tray{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0}.basic-note-tray>.rhythm-chip{width:100%;min-width:0;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:20px 10px;text-align:center}.basic-note-tray .single-notation{padding:0;min-height:72px}.basic-note-tray small{margin:0;font-size:14px;line-height:1.5}

/* Small corner result marker keeps the note itself uncluttered. */
.choice{position:relative}.choice.correct{border-color:#94b9a7;background:#edf6ef}.choice.correct::after{content:"✓";position:absolute;right:12px;bottom:9px;color:#d84343;font-size:20px;font-weight:700;line-height:1;pointer-events:none}.choice.wrong{border-color:#d3ae97;background:#fff5ef}

.basic-note-tray>.rhythm-chip{min-height:130px;padding:12px 10px;gap:8px}.choice[data-basic-target]{min-height:135px;padding:14px 10px;gap:8px}.choice[data-basic-key]{min-height:115px;padding:12px 10px}

.checkin-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.checkin-head h3{margin:0}.checkin-counts{display:flex;gap:24px;margin:16px 0;color:var(--muted)}.checkin-counts strong{font-size:24px;color:var(--green)}.checkin-week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}.checkin-day{display:flex;flex-direction:column;align-items:center;padding:10px 4px;border-radius:12px;background:#f4f5ef;font-size:12px}.checkin-day b{font-size:22px}.checkin-day.done{background:#e0f0e7;color:var(--green)}.growth-score-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.growth-score-card{padding:16px;border:1px solid var(--line);border-radius:14px;background:#fafcf8}.growth-score-card h4{margin:6px 0}.growth-score-card>strong{font-size:30px;color:var(--green)}.growth-score-card strong small{font-size:13px;font-weight:400}.growth-progress-list>div{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}.growth-progress-list>div:last-child{border:0}@media(max-width:480px){.checkin-week{gap:4px}.checkin-head .btn{padding:10px 12px}.growth-score-card{padding:12px}}

.numbered-sound .note-head{font-size:40px!important}

.growth-filters{display:flex;gap:10px;margin:12px 0 16px}.growth-module-scores{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.growth-module-score{border:1px solid var(--line);border-radius:12px;background:#fafcf8;padding:12px 6px;text-align:center}.growth-module-score h4{font-size:13px;margin:0 0 5px;line-height:1.4}.growth-module-score strong{font-size:22px;color:var(--green)}@media(max-width:480px){.growth-module-scores{gap:5px}.growth-module-score h4{font-size:11px}.growth-module-score strong{font-size:19px}}

.profile-card{gap:20px;padding:24px}.profile-music-avatar{display:block;width:76px;height:76px;flex:none}.profile-music-avatar svg{width:100%;height:100%}.profile-card h2{font-size:24px;font-weight:600;letter-spacing:1px;line-height:1.5}.student-shell:has(.profile-card) .page-title h1{font-size:28px;font-weight:600;letter-spacing:1px}

.course-tile{position:relative;min-height:76px;padding:18px 8px;display:flex;align-items:center;justify-content:center;text-align:center}.course-tile p{font-size:15px;line-height:1.4;margin:0;white-space:nowrap}.course-tile>svg{position:absolute;right:7px;top:7px;width:14px;height:14px}.profile-card h2{font-size:18px;letter-spacing:.5px}

.growth-progress-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.growth-progress-list>div,.growth-progress-list>div:last-child{border:1px solid var(--line);border-radius:12px;padding:12px;gap:8px;min-width:0;flex-wrap:wrap}.growth-progress-list>div>span:first-child{font-size:14px;line-height:1.4}.growth-progress-list .tag{white-space:nowrap;font-size:11px}

/* Music garden: warm paper, four soft module colors, crisp playful illustrations. */
:root{--ink:#2c4547;--muted:#77858a;--green:#367e70;--mint:#e2f1e9;--cream:#fbf9f4;--line:#e5e9e4;--shadow:0 6px 20px #3c565008}
body{background:radial-gradient(ellipse at 0 0,#fff1de 0,transparent 38%),radial-gradient(ellipse at 100% 25%,#edf3fa 0,transparent 40%),#fbf9f4;font-family:'PingFang SC','Noto Sans SC',-apple-system,sans-serif}
header{background:#fffdf8;border-bottom:1px solid #eee9df}.brand{font-weight:700;letter-spacing:.5px}.brand-symbol{background:#e4efe5;color:#367e70;box-shadow:inset 0 0 0 1px #d5e6d7;border-radius:14px}.brand small{color:#8b9c94;letter-spacing:2.5px}.avatar{background:#f4e4c4;color:#8d7250}
h1{font-weight:700;letter-spacing:.5px}h2,h3{letter-spacing:.2px}.hero{background:linear-gradient(115deg,#edf4df,#f5f5e8 55%,#fff0da);border-color:#e5e9d7;box-shadow:0 10px 30px #68744309;padding:30px 34px;min-height:245px;border-radius:28px}.hero h2{font-size:30px;line-height:1.45}.hero p{color:#678279}.hero-art{width:260px}.hero .tag{background:#ffffffb8;color:#77936c}.hero .btn{background:#367e70;box-shadow:0 5px 0 #2c6b60;font-size:14px}
.btn{border-radius:14px;transition:transform .15s,box-shadow .15s;background:#367e70}.btn:hover{filter:brightness(1.03);transform:translateY(-1px)}.btn:active{transform:translateY(1px)}.btn.secondary{background:#fffdf9;border-color:#dce7df}.btn.soft{background:#e0efe6;color:#367e70}.section-title h3{font-size:18px}.section-title .tag{background:#f2eada;color:#9d8867}
.station-grid{gap:14px}.station{position:relative;border-radius:22px;border-color:#e0e9e0;background:#f0f6ee;box-shadow:0 5px 0 #dce9de;transition:transform .15s,box-shadow .15s;overflow:hidden}.station:nth-child(2){background:#fff3e8;border-color:#f0e3d4;box-shadow:0 5px 0 #efdfcf}.station:nth-child(3){background:#eef5fb;border-color:#dde9f3;box-shadow:0 5px 0 #dce7f0}.station:nth-child(4){background:#f3eff9;border-color:#e7e0f1;box-shadow:0 5px 0 #e5dff0}.station:hover{transform:translateY(-2px)}.station .iconbox{width:62px;height:62px;border-radius:19px;background:#dcebdc;margin-bottom:14px}.station:nth-child(2) .iconbox{background:#f7dec5}.station:nth-child(3) .iconbox{background:#d9e9f5}.station:nth-child(4) .iconbox{background:#e4daf4}.iconbox svg{width:54px;height:54px}.station h3{font-size:18px;font-weight:700}.station p{color:#7c8d86;margin-bottom:14px}.station:nth-child(2) .progress i{background:#dea383}.station:nth-child(3) .progress i{background:#8eb4d1}.station:nth-child(4) .progress i{background:#b49bd3}.station .progress{background:#ffffffaa}.station-footer{color:#627f72}.station:nth-child(2) .station-footer{color:#ad7957}.station:nth-child(3) .station-footer{color:#6a8faa}.station:nth-child(4) .station-footer{color:#9380ad}
.fixed-list,.panel,.stage{border-radius:22px;border-color:#e5e9e2;box-shadow:0 5px 20px #3c565005}.fixed-list{background:#fffefa}.fixed-row{padding:18px 0}.round-icon{width:48px;height:48px;background:#f8e8d2;border-radius:15px}.round-icon svg{width:42px;height:42px}.fixed-row:nth-child(2) .round-icon{background:#e1ede2}.fixed-row h3{font-size:15px}.fixed-row p{font-size:12px}.plain{color:#367e70}.notice{background:#f5efdf;color:#9b8862;border-radius:14px}
.task-menu button{background:#fffdf9;border:1px solid #e4e9e2;border-radius:16px;color:#7d8b83}.task-menu button.active{background:#dfefe5;border-color:#bcd7c8;box-shadow:0 3px 0 #c5ddd0}.stage h3{font-size:18px}.choice{border-color:#e2e9df;border-radius:18px;background:#fffefa}.basic-note-tray>.rhythm-chip{background:#f0f5e9;border-color:#dfe8d5;border-radius:18px}.basic-note-tray>.rhythm-chip:nth-child(2){background:#f4eff9;border-color:#e6def0}.choice.correct{background:#e7f3e9;border-color:#91b7a2}.choice.wrong{background:#fff0e9;border-color:#e2b29c}.metro-controls{background:#f1f6ed;border-color:#e0e9d9;border-radius:18px}.beat-board{background:#f8f1e4}.beat-cell{border-radius:15px}.staff-wrap{background:#f8fbf5;border-color:#e1e9dd;border-radius:20px}.record-panel{background:#faf7ef;border-radius:20px}.demo-slot{background:#f6f4fc;border-color:#dcd3ed}.demo-slot .play-icon{background:#e5def5;color:#8a76b4}
.semester-switch button{background:#f0eee5;border-radius:16px}.semester-switch button.active{background:#367e70}.course-tile{background:#fffdf8;border-radius:18px;border-color:#e4e8df;box-shadow:0 3px 0 #e9ede4;min-height:76px}.course-tile.ready{background:#eaf3e5;border-color:#bdd3b7}.course-tile:nth-child(4n+2){background:#fff4e9}.course-tile:nth-child(4n+3){background:#eef5fa}.course-tile:nth-child(4n+4){background:#f3eff8}.course-tile.locked{color:#849087}.course-tile p{font-weight:600}
.stat{background:#fffdf9;border-color:#e4e9e0;border-radius:18px}.stat:nth-child(2){background:#fff3e7}.stat:nth-child(3){background:#f0edf8}.stat strong{color:#367e70}.daily-checkin{background:linear-gradient(120deg,#fffdf6,#f2f6e9)}.checkin-day{background:#ffffffc9;border:1px solid #e8eddf}.checkin-day.done{background:#dfeede;color:#4d8059}.growth-module-score{background:#eff5eb;border-color:#dfe8d9}.growth-module-score:nth-child(2){background:#fff1e4;border-color:#f0e0d0}.growth-module-score:nth-child(3){background:#edf4fa;border-color:#dfe9f1}.growth-module-score:nth-child(4){background:#f2edf8;border-color:#e7dff0}.growth-progress-list>div{background:#fcfcf7}.growth-progress-list>div:nth-child(4n+2){background:#fff6ee}.growth-progress-list>div:nth-child(4n+3){background:#f3f7fb}.growth-progress-list>div:nth-child(4n+4){background:#f7f3fb}.profile-card{background:linear-gradient(110deg,#eef5e9,#fffaf0);border-color:#e1e8d8}.profile-music-avatar{width:72px;height:72px}.profile-card h2{font-size:18px;font-weight:600}
input,select,textarea{border-color:#dfe7dd;border-radius:12px;background:#fffefa}.bottom-nav{background:#fffefaee;backdrop-filter:blur(16px);border-color:#e8ece1;box-shadow:0 -5px 25px #354a3d05}.bottom-nav button{color:#8a9691}.bottom-nav button.active{color:#367e70;background:#e9f3e9;border-radius:14px}.bottom-nav button svg{stroke-width:1.8}.sidebar-note{background:#fffdf7}
@media(max-width:650px){.hero{padding:23px;min-height:215px;gap:8px}.hero h2{font-size:25px}.hero-art{display:block!important;width:135px!important;max-width:35%;flex-shrink:0}.hero p{font-size:12px}.hero .btn{font-size:12px;padding:11px 13px}.station{padding:18px 15px}.station h3{font-size:16px}.station .iconbox{width:52px;height:52px}.iconbox svg{width:46px;height:46px}.station-grid{gap:12px}.stage{padding:20px}.brand{font-size:16px}.brand small{font-size:9px}.brand-symbol{width:35px;height:35px}.fixed-row .round-icon{width:43px;height:43px}.fixed-row .round-icon svg{width:39px;height:39px}}
@media(prefers-reduced-motion:reduce){.btn,.station{transition:none}}

.growth-progress-list{display:flex;flex-direction:column;gap:0}.growth-progress-list>div,.growth-progress-list>div:last-child{border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;padding:12px 0;flex-wrap:nowrap}.growth-progress-list>div:nth-child(n){background:transparent}.growth-progress-list>div:last-child{border:0}.course-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.course-tile{min-height:70px;box-shadow:none}.course-tile p{font-size:24px;font-weight:600}.hero-art{width:360px;max-width:45%}@media(max-width:650px){.hero{position:relative;min-height:330px;align-items:flex-start;padding-bottom:150px}.hero-art{position:absolute;right:8px;bottom:5px;width:270px!important;max-width:70%!important;height:auto}.hero .btn{position:relative;z-index:1}.course-tile{min-height:66px;padding:16px 4px}.course-tile p{font-size:23px}}

.module-photo{display:block;width:100%;height:100%;background-image:url('assets/music-studio-thumb.jpg');background-repeat:no-repeat;background-size:235%;border-radius:16px}.module-photo-0{background-position:70% 27%}.module-photo-1{background-position:0 88%}.module-photo-3{background-position:100% 100%}.module-photo-2{background-image:url('assets/poetry-studio-thumb.jpg');background-size:cover;background-position:center}.station .iconbox{width:84px;height:84px;background:transparent!important;border-radius:18px;overflow:hidden}.round-icon{overflow:hidden}.round-icon .module-photo{border-radius:13px}@media(max-width:650px){.station .iconbox{width:76px;height:76px}.station{gap:15px}}

@media(max-width:650px){.station{grid-template-columns:76px minmax(0,1fr) 12px;gap:0 12px}.station h3,.station p{grid-column:2/4}.station .iconbox{margin:0}.station-footer{grid-column:2/4}.station .progress{grid-column:2/4}}

.hero-art{position:static;width:280px;max-width:45%;height:auto}.course-tile>svg{position:absolute;right:8px;top:8px;width:14px;height:14px}@media(max-width:650px){.hero{min-height:245px;align-items:center;padding:23px;gap:8px}.hero-art{position:static;right:auto;bottom:auto;width:165px!important;max-width:42%!important;height:auto}.hero h2{font-size:24px}.hero>div{min-width:0}.hero .btn{font-size:11px;padding:11px 10px}}

/* Uniform click track with an audio-clock-driven rhythm guide. */
.rhythm-event.rhythm-active{background:#d9eee7;border-color:#388579;box-shadow:0 0 0 2px #38857933}
.beat-positions>span.rhythm-beat-active{background:#388579;color:#fff;font-weight:700}
.rhythm-count-in{width:max-content;margin:0 auto 14px;padding:7px 18px;border-radius:20px;background:#fff0cf;color:#735627;font-weight:700}
.rhythm-count-in[hidden]{display:none}

/* Compact numbered notation: fit complete measures on a phone. */
.numbered-melody{width:100%;padding:12px 6px}
.numbered-row{position:relative;flex-wrap:wrap;padding-top:30px;margin-bottom:14px}
.numbered-row:not(:first-child){padding-top:0}
.numbered-meter{position:absolute;left:0;top:0;width:28px;padding:0;font-size:14px;line-height:1}
.numbered-measure{width:12.5%;grid-template-columns:repeat(2,minmax(0,1fr));padding:0 3px;min-height:76px}
.numbered-sound{min-height:44px;gap:10px}
.numbered-sound .note-head{font-size:30px!important}
.numbered-measure:after{top:4px;height:42px}
.numbered-check{height:16px;font-size:14px}
.numbered-name{font-size:11px}
.melody-dash{width:10px;height:2px}
@media(max-width:650px){
 .numbered-measure{width:25%;min-height:74px;margin-bottom:10px}
 .numbered-sound .note-head{font-size:26px!important}
 .numbered-sound{min-height:40px;gap:8px}
 .numbered-measure:after{height:38px}
 .numbered-row{margin-bottom:0}
}

/* Smaller rhythm notation in all exercise tiles. */
.rhythm-number{font-size:46px!important;height:60px;gap:12px}
.rhythm-dash{width:14px!important;min-width:14px!important;max-width:14px!important;height:3px}
@media(max-width:650px){.rhythm-number{font-size:40px!important;height:54px;gap:10px}}

.numbered-key{position:absolute;left:0;top:0;font-size:13px;font-weight:600;line-height:28px}
.numbered-row:first-child .numbered-meter{left:64px}
.numbered-measure.score-final:after,.numbered-measure.score-double:after{width:7px;background:none;border-left:1px solid #45654e;border-right:1px solid #45654e}
.numbered-measure.score-final:after{border-right-width:3px}
.rhythm-beat-grid{position:relative}

.wide-admin{background:#f4f6f9}.wide-admin header{background:#fff}.wide-admin .layout{max-width:1440px;grid-template-columns:210px minmax(0,1fr);gap:28px}.wide-admin .sidebar{background:#fff;border:1px solid #e6ebef;border-radius:20px;padding:20px 10px;height:max-content;position:sticky;top:20px}.wide-admin .main .panel{border-radius:18px}.wide-admin .stats{grid-template-columns:repeat(4,minmax(0,1fr))}.console-banner{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(110deg,#deeee9,#eef0fb);padding:28px;border-radius:22px;margin-bottom:22px}.console-banner p{color:#718680;font-size:12px;margin-top:8px}.console-shortcuts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:24px}.console-shortcut{text-align:left;background:#fff;border:1px solid #e3e9ed;border-radius:18px;padding:20px}.console-shortcut svg{width:28px;height:28px;color:#388579;margin-bottom:12px}.console-shortcut p{font-size:12px;color:#768581;margin:8px 0 16px}.console-shortcut span{color:#16756a;font-size:12px}.wide-admin .admin-toolbar{gap:14px;align-items:end;flex-wrap:wrap}.admin-toolbar label{font-size:12px;color:#768581}.admin-toolbar select,.admin-toolbar input{display:block;min-width:140px;margin-top:4px}.wide-admin td{padding:15px 12px}.wide-admin th{background:#f5f8fa}.wide-admin td small{color:#768581}.wide-admin .sidebar-note{margin-top:24px}.wide-admin .section-title{margin-top:0}.wide-admin .bottom-nav{display:none}
@media(max-width:800px){.wide-admin .layout{display:block}.wide-admin .sidebar{position:static;margin-bottom:20px;display:flex;flex-wrap:wrap;gap:4px}.wide-admin .sidebar .label,.wide-admin .sidebar-note{display:none}.wide-admin .nav-item{width:auto;font-size:12px;padding:8px}.console-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr))}.wide-admin .stats{grid-template-columns:repeat(2,minmax(0,1fr))}.console-banner{padding:20px;flex-wrap:wrap}.wide-admin .brand{font-size:13px}.wide-admin header{padding:12px;height:auto;flex-wrap:wrap}.wide-admin .layout{padding:20px 14px}.wide-admin h1{font-size:25px}}

.rhythm-checkin-sheet{margin:18px 0 24px;background:white;border:1px solid #e0e9df;border-radius:16px;overflow:hidden}.rhythm-checkin-sheet img{display:block;width:100%;height:auto}

.numbered-meter>span:first-child:not(:last-child){border-bottom:1.5px solid currentColor;width:50%;margin-left:auto;margin-right:auto;padding-bottom:2px;margin-bottom:2px}.numbered-row:first-child{padding-top:36px}

.numbered-event.melody-current{background:#fff0cf;box-shadow:inset 0 0 0 2px #e1b666}.numbered-event.melody-current .note-head{color:#d2772e}.staff-note.melody-current .note-head{stroke:#d2772e;stroke-width:3px}.staff-note.melody-current .note-head:not(.half-head){fill:#d2772e}

/* 录音回课 */
.rec-btn{width:100%;font-size:18px;padding:16px 20px;margin-top:14px;font-weight:700;letter-spacing:.02em}
.rec-meta{font-size:13px;color:#6b7a75;margin-top:10px}
.rec-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px 0 10px;gap:8px}
.rec-big{font-size:64px;line-height:1;font-weight:700;color:#16756a;font-variant-numeric:tabular-nums}
.rec-big.rec-live{font-size:44px;color:#c0392b;animation:recpulse 1.1s ease-in-out infinite}
.rec-sub{font-size:15px;color:#5a6b66}
.rec-dot{width:16px;height:16px;border-radius:50%;background:#c0392b;animation:recpulse 1.1s ease-in-out infinite}
@keyframes recpulse{0%,100%{opacity:1}50%{opacity:.3}}