:root{--ink:#17211e;--ink-soft:#53615c;--deep:#12201b;--paper:#f7f4ec;--paper-dark:#ece6d9;--line:#d8d5ca;--moss:#5e8373;--moss-light:#dce9df;--orange:#dc7749;--red:#b84e3d;--shadow:0 18px 44px rgba(26,36,30,.12)}*{box-sizing:border-box}body{margin:0;background:#f4f2eb;color:var(--ink);font-family:"Source Han Sans SC",sans-serif;letter-spacing:.01em}button,input{font:inherit}button{cursor:pointer;border:0;background:none;color:inherit}.app-shell{min-height:100vh;display:flex}.sidebar{width:244px;background:var(--deep);color:#e9eee9;display:flex;flex-direction:column;padding:28px 18px 20px;position:fixed;inset:0 auto 0 0}.brand{color:#f4f1e8;text-decoration:none;font-family:"Noto Serif SC",serif;font-size:27px;font-weight:700;display:flex;align-items:center;gap:9px;padding:0 10px 38px}.brand-mark{width:28px;height:28px;background:var(--orange);border-radius:50%;display:grid;place-items:center;font-family:serif;font-size:19px}.sidebar nav{display:grid;gap:7px}.nav-item{height:48px;text-align:left;border-radius:8px;color:#b7c2bd;padding:0 13px;font-size:14px;display:flex;align-items:center;gap:13px}.nav-item span{font-size:19px}.nav-item.active,.nav-item:hover{background:#293a33;color:#fff}.sidebar-bottom{margin-top:auto}.copyright-link{color:#aebbb4;font-size:12px;padding:10px}.user{border-top:1px solid #34443e;padding:20px 6px 0;display:flex;align-items:center;gap:10px;font-size:13px}.user .avatar{background:#d7bd9b;color:#433323;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;font-family:"Noto Serif SC"}.user b,.user small{display:block}.user small{font-size:11px;color:#91a097;margin-top:2px}.user button{margin-left:auto;color:#ced6d0}main{width:calc(100% - 244px);margin-left:244px;min-height:100vh}.topbar{height:82px;padding:0 clamp(24px,5vw,84px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e0ded5}.crumb{font-size:13px;color:#68736e}.crumb span{margin:0 8px;color:#a6aca7}.new-score,.primary-button{background:var(--ink);color:#fff;border-radius:7px;padding:12px 17px;font-size:14px;font-weight:600;box-shadow:0 4px 10px rgba(18,32,27,.1)}.new-score span{font-size:18px;margin-right:4px}.mobile-menu{display:none}.view{display:none;padding:52px clamp(24px,5vw,84px) 72px;max-width:1450px;margin:auto}.view.active{display:block}.library-heading{display:flex;justify-content:space-between;align-items:flex-start}.eyebrow{color:var(--moss);font-family:"DM Mono",monospace;letter-spacing:.1em;text-transform:uppercase;font-size:11px;margin:0 0 12px;font-weight:500}.library-heading h1,.piece-heading h1,dialog h2{font:600 clamp(29px,3.4vw,47px)/1.17 "Noto Serif SC",serif;letter-spacing:-.04em;margin:0}.subcopy{color:#6b746e;margin:13px 0 0;font-size:15px}.round-icon{width:38px;height:38px;border:1px solid var(--line);border-radius:50%;color:#647069;font-size:20px}.search-row{display:flex;justify-content:space-between;align-items:center;margin:46px 0 19px}.search{display:flex;align-items:center;border-bottom:1px solid #bfc4ba;width:min(350px,60%);padding:8px 2px;gap:8px;color:#6a746d}.search input{background:transparent;border:0;outline:0;width:100%;font-size:14px}.filter{font-size:13px;border:1px solid var(--line);border-radius:5px;padding:9px 11px;background:#f9f8f4}.filter span{margin-left:20px}.score-list{border-top:1px solid var(--line)}.score-row{display:grid;grid-template-columns:70px 1fr 155px 90px;gap:20px;align-items:center;padding:18px 7px;border-bottom:1px solid var(--line);transition:.2s}.score-row:hover{background:#eeeee7;transform:translateX(3px)}.score-art{height:72px;border-radius:4px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;font-family:serif;font-size:30px}.score-art i{height:1px;position:absolute;left:10px;right:10px;background:rgba(255,255,255,.72)}.score-art i:nth-of-type(1){top:22px}.score-art i:nth-of-type(2){top:31px}.score-art i:nth-of-type(3){top:40px}.art-orange{background:#df9b70;color:#68351e}.art-blue{background:#88a4b6;color:#233f54}.art-green{background:#9bb49c;color:#24472b}.score-art span{z-index:1}.score-kicker{font-size:11px;color:var(--moss);font-family:"DM Mono";margin:0 0 4px}.score-main h2{font:600 19px "Noto Serif SC",serif;margin:0}.score-main p:last-child{font-size:12px;margin:4px 0 0;color:#7b827d}.score-meta{font-size:12px;color:#657069;display:grid;gap:7px}.score-meta b{font:500 12px "DM Mono";color:#4e5a54}.row-actions{display:flex;gap:8px;justify-content:flex-end}.row-actions button{width:32px;height:32px;border-radius:50%;font-size:18px}.play-mini{background:#e5e9e2;color:var(--deep);font-size:11px!important}.import-banner{width:100%;margin-top:30px;border:1px dashed #aeb8ae;border-radius:8px;padding:21px;display:flex;align-items:center;gap:16px;text-align:left;background:#f8f8f3}.import-banner:hover{background:#edf1ec}.upload-glyph{font-size:28px;color:var(--moss)}.import-banner b,.import-banner small{display:block}.import-banner b{font-size:14px}.import-banner small{color:#7b827d;font-size:12px;margin-top:3px}.import-banner strong{font-size:22px;margin-left:auto;color:var(--moss)}
/* practice */.practice-head{display:flex;justify-content:space-between}.back-button{font-size:13px;color:#647069}.back-button span{margin-left:6px}.more-button{font-size:18px}.piece-heading{display:flex;align-items:center;gap:20px;margin:28px 0 36px}.piece-index{font:500 14px "DM Mono";color:#7a8b81;border-right:1px solid var(--line);padding:10px 20px 10px 0}.piece-heading h1{font-size:38px}.piece-heading p:last-child{font-size:13px;color:#6f7973;margin:7px 0 0}.saved{font-size:12px;color:#628472;margin-left:auto}.saved span{border-radius:50%;background:#dfece3;padding:2px 5px;margin-right:4px}.practice-grid{display:grid;grid-template-columns:minmax(400px,1.28fr) minmax(330px,.72fr);gap:32px;align-items:start}.score-paper{height:560px;background:var(--paper);box-shadow:var(--shadow);border:1px solid #e1ddcf;padding:52px 48px;position:relative;overflow:hidden}.paper-top{font-family:"Noto Serif SC";display:flex;justify-content:space-between;font-size:15px;margin-bottom:60px}.staff{height:112px;position:relative;border-top:1px solid #777}.staff:before,.staff:after{content:"";position:absolute;left:0;right:0;height:1px;background:#777;box-shadow:0 18px #777,0 36px #777,0 54px #777}.staff:before{top:0}.staff:after{display:none}.staff b{font-size:44px;position:absolute;top:3px;font-weight:400}.staff span{font-family:serif;font-size:33px;position:absolute;top:20px}.staff span:nth-of-type(1){left:23%}.staff span:nth-of-type(2){left:38%;top:10px}.staff span:nth-of-type(3){left:54%;top:30px}.staff span:nth-of-type(4){left:68%;top:6px}.staff span:nth-of-type(5){left:80%;top:18px}.staff span:nth-of-type(6){left:92%;top:26px}.staff-two{margin-top:15px}.staff-three{margin-top:15px}.play-cursor{position:absolute;background:var(--orange);top:122px;bottom:82px;width:2px;left:16%;box-shadow:0 0 0 5px rgba(220,119,73,.12);transition:left .1s linear}.paper-page{position:absolute;bottom:24px;left:0;right:0;text-align:center;font:12px "DM Mono";color:#92958e}.control-deck{background:#fffefb;border:1px solid #e4e1d8;padding:26px;border-radius:8px;box-shadow:0 7px 22px rgba(31,38,33,.05)}.track-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}.track-tab{padding:0 0 11px;font-size:14px;color:#748078;position:relative}.track-tab.active{color:var(--ink);font-weight:600}.track-tab.active:after{content:"";height:2px;background:var(--orange);position:absolute;bottom:-1px;left:17px;right:17px}.track-description{font-size:12px;color:#78817b;line-height:1.7;margin:14px 0 19px}.transport{display:flex;align-items:center;justify-content:center;gap:24px}.transport button:not(.main-play){color:#67726b;font-size:21px}.main-play{width:56px;height:56px;border-radius:50%;background:var(--ink);color:#fff;font-size:18px;padding-left:3px;box-shadow:0 7px 15px rgba(18,32,27,.18)}.timeline{display:grid;grid-template-columns:37px 1fr 37px;align-items:center;gap:8px;margin:17px 0 26px;font:10px "DM Mono";color:#788079}.timeline input{width:100%}.deck-section{padding:19px 0;border-top:1px solid #e5e2d9}.deck-label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:14px}.deck-label b{font:500 12px "DM Mono";color:var(--moss)}input[type=range]{accent-color:var(--moss)}.speed-presets{display:flex;gap:8px;margin-top:12px}.speed-presets button{border:1px solid var(--line);border-radius:4px;padding:5px 8px;font:11px "DM Mono";color:#65716a}.speed-presets .selected{color:#fff;background:var(--moss);border-color:var(--moss)}.key-control{display:flex;gap:14px;align-items:center}.key-control button{width:32px;height:28px;border:1px solid var(--line);border-radius:4px;font-size:19px;line-height:1}.key-control span{font:12px "DM Mono";width:20px;text-align:center}.practice-tools{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:20px}.practice-tools button{border:1px solid var(--line);border-radius:5px;padding:10px 7px;font-size:12px;color:#637068}.practice-tools button.active{background:var(--moss-light);border-color:var(--moss);color:#28503e}.practice-tools span{font-size:16px;margin-right:3px}
/* dialogs */dialog{width:min(520px,calc(100% - 28px));border:0;border-radius:10px;padding:38px;background:#fbfaf6;box-shadow:0 30px 90px rgba(0,0,0,.3);color:var(--ink)}dialog::backdrop{background:rgba(10,22,17,.63);backdrop-filter:blur(3px)}dialog h2{font-size:31px}dialog>p:not(.eyebrow){font-size:14px;color:#68736d;line-height:1.8;margin:12px 0 24px}.modal-close{position:absolute;right:17px;top:14px;color:#6e7771;font-size:24px}.modal-step{display:none}.modal-step.active{display:block}.dropzone{border:1px dashed #9eab9f;min-height:178px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;cursor:pointer;background:#f4f6f0;margin:26px 0 16px;border-radius:7px}.dropzone:hover{background:#e9f0e9}.dropzone input{display:none}.dropzone .camera{font-size:26px;color:var(--moss)}.dropzone b{font-size:14px}.dropzone small{font-size:12px;color:#7b837d}.rights{display:flex;gap:8px;font-size:12px;line-height:1.6;color:#657069;margin-bottom:19px}.rights input{margin-top:3px;accent-color:var(--moss)}.primary-button{width:100%;display:flex;justify-content:space-between;align-items:center}.primary-button:disabled{opacity:.4;cursor:not-allowed}.scan-preview{height:186px;background:#e8e0d2;border-radius:5px;position:relative;overflow:hidden;display:grid;place-items:center;margin:28px 0 17px}.scan-page{width:178px;height:142px;background:#fcfaf3;box-shadow:0 4px 15px rgba(0,0,0,.13);display:grid;place-items:center;font:37px serif;letter-spacing:8px;transform:rotate(-3deg)}.scan-line{position:absolute;height:2px;background:var(--orange);left:0;right:0;top:44%;box-shadow:0 0 15px 4px rgba(220,119,73,.3);animation:scan 1.6s ease-in-out infinite}@keyframes scan{50%{top:66%}}.progress-label{font-size:13px;display:flex;justify-content:space-between}.progress-label b{font:12px "DM Mono";color:var(--moss)}.scan-progress{height:5px;background:#e1e5de;border-radius:9px;overflow:hidden;margin-top:9px}.scan-progress i{display:block;height:100%;background:var(--moss);width:16%;transition:width .4s}.scan-note{color:#7a837e;font-size:12px;line-height:1.7;margin:15px 0 0}.review-summary{display:flex;gap:13px;align-items:center;background:#edf3ed;padding:16px;border-radius:6px;margin:24px 0 12px}.check-circle{background:var(--moss);color:white;width:25px;height:25px;border-radius:50%;display:grid;place-items:center}.review-summary b,.review-summary small{display:block;font-size:13px}.review-summary small{font-size:11px;color:#68736d;margin-top:3px}.warning{display:flex;gap:10px;background:#fff3df;border-left:3px solid #d58c35;padding:11px;margin-bottom:20px}.warning span{color:#b26b1f;font-weight:bold}.warning p{margin:0;font-size:11px;line-height:1.55;color:#705c42}.warning b{display:block}.text-button{display:block;margin:14px auto 0;font-size:13px;color:#69766e;text-decoration:underline}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,130px);background:var(--ink);color:#fff;padding:11px 18px;border-radius:6px;font-size:13px;box-shadow:var(--shadow);opacity:0;transition:.3s;z-index:5}.toast.show{transform:translate(-50%,0);opacity:1}
@media(max-width:820px){.sidebar{width:100%;height:64px;bottom:auto;padding:0 17px;flex-direction:row;align-items:center;z-index:4}.brand{font-size:23px;padding:0}.brand-mark{width:25px;height:25px}.sidebar nav,.sidebar-bottom{display:none}main{width:100%;margin:0;padding-top:64px}.topbar{height:62px;padding:0 18px}.crumb{display:none}.mobile-menu{display:block;font-size:20px}.new-score{padding:9px 12px;font-size:12px}.view{padding:31px 18px 50px}.library-heading h1{font-size:32px}.subcopy{font-size:13px}.search-row{margin:30px 0 14px}.score-row{grid-template-columns:54px 1fr 36px;gap:12px;padding:13px 2px}.score-art{height:56px}.score-meta{display:none}.row-actions button:last-child{display:none}.score-main h2{font-size:16px}.score-main p:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:190px}.import-banner{padding:17px}.piece-heading{margin:18px 0 25px;gap:13px}.piece-index{display:none}.piece-heading h1{font-size:31px}.saved{display:none}.practice-grid{grid-template-columns:1fr;gap:18px}.score-paper{height:415px;padding:32px 25px}.paper-top{margin-bottom:36px}.staff{height:83px}.staff span{font-size:25px}.practice-tools{margin-top:14px}dialog{padding:31px 24px}.dropzone{min-height:150px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}
.note-line{display:grid;grid-template-columns:repeat(8,1fr);gap:18px 8px;margin-top:42px;padding:28px 8px;border-top:1px solid #798079;border-bottom:1px solid #798079}.note-line span{font:500 15px "DM Mono";text-align:center;padding:8px 1px;background:#e8ede7;border-radius:4px;color:#244536}.preview-caption{font-size:12px;color:#707974;margin-top:28px}.generated-tracks{display:grid;gap:9px;margin:25px 0}.generated-tracks>div{display:flex;align-items:center;gap:11px;padding:12px;background:#f0f3ef;border:1px solid #dfe7df;border-radius:6px}.generated-tracks>div>span{width:31px;height:31px;background:#fff;border-radius:50%;display:grid;place-items:center;color:var(--moss);font-size:18px}.generated-tracks p{margin:0;flex:1}.generated-tracks b,.generated-tracks small{display:block;font-size:13px}.generated-tracks small{font-size:11px;color:#68736d;margin-top:2px}.generated-tracks em{font-style:normal;font:10px "DM Mono";color:var(--moss)}
@media(max-width:820px){.note-line{grid-template-columns:repeat(4,1fr);margin-top:24px;padding:20px 4px;gap:10px 5px}}
.pending-score{opacity:.76}.pending-button{border:1px solid var(--line)!important;border-radius:4px!important;padding:7px 9px!important;color:#7a847e;font-size:11px!important;cursor:not-allowed}
.tempo-limits{display:flex;justify-content:space-between;color:#77817b;font:10px "DM Mono";margin-top:7px}
.staff-notation{width:100%;height:auto;margin-top:24px;overflow:visible}.staff-group>line,.bar-line,.ledger-line,.note-stem{stroke:#343c37;stroke-width:1.4}.ledger-line{stroke-width:1.8}.note-head{fill:#26332c;transform:rotate(-18deg);transform-origin:center}.clef{font-family:serif;fill:#263c37}.clef.treble{font-size:118px}.clef.bass{font-size:92px}.key-sign,.time-signature,.note-accidental{font:26px "Noto Serif SC",serif;fill:#26332c}.note-accidental{font-size:19px}.grand-brace{fill:none;stroke:#343c37;stroke-width:2}
@media(max-width:820px){.staff-notation{margin-top:16px}.clef.treble{font-size:100px}.clef.bass{font-size:78px}.key-signature text,.time-signature{font-size:21px}}