.support-actions{flex-wrap:wrap;gap:8px;display:flex}.support-grid{grid-template-columns:minmax(220px,310px) minmax(0,1fr);align-items:start;gap:24px;display:grid}.support-list{gap:8px;display:grid}.support-thread{text-align:left;border:1px solid var(--line,#d9dce6);background:var(--panel,#fff);width:100%;color:inherit;cursor:pointer;overflow-wrap:anywhere;border-radius:12px;gap:5px;padding:17px;display:grid}.support-thread:hover,.support-thread.selected{background:#f1f5ff;border-color:#2355e8}.support-thread-top{justify-content:space-between;gap:10px;display:flex}.support-unread{color:#fff;background:#2155e8;border-radius:20px;padding:0 7px;font-size:12px}.support-thread time,.support-thread small{color:#596477;font-size:12px}.support-detail{min-width:0}.support-messages{gap:14px;margin:24px 0;padding:0;list-style:none;display:grid}.support-messages li{overflow-wrap:anywhere;background:#f3f5f8;border-radius:12px;padding:16px}.support-messages .from-admin{background:#eaf0ff;border-left:3px solid #2155e8}.support-messages li>div{flex-wrap:wrap;justify-content:space-between;gap:10px;display:flex}.support-messages time{color:#596477;font-size:12px}.support-messages p{white-space:pre-wrap;margin:8px 0 0}.support-form{gap:12px;display:grid}.support-form label{gap:6px;display:grid}.support-form .fineprint{margin:0}.support-form>button{justify-self:start}.support-placeholder{text-align:center;color:#596477;padding:60px 20px}.support-challenge{min-width:0;max-width:100%}.support-challenge>p{color:#a3213d}.admin-overview{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:24px 0;display:grid}.admin-overview button{text-align:left;color:inherit;cursor:pointer;background:#fff;border:1px solid #dce2ec;border-radius:14px;gap:8px;padding:24px;display:grid}.admin-overview strong{letter-spacing:-1.5px;color:#18366b;font-size:38px;line-height:1.15}.admin-overview span{font-size:14px}.admin-overview button:hover{border-color:#2155e8}.admin-daily{grid-template-columns:1fr 1fr;gap:20px;display:grid}@media (width<=1000px){.admin-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.support-grid{grid-template-columns:240px minmax(0,1fr)}}@media (width<=760px){.support-grid{grid-template-columns:1fr}.support-grid:not(.no-selection)>.support-list{display:none}.admin-daily{grid-template-columns:1fr}.admin-overview button{padding:18px}.admin-overview strong{font-size:30px}.support-messages li>div{gap:4px;display:grid}.support-placeholder{display:none}}.berd-trial{color:#14344b;max-width:1000px;margin-inline:auto}.berd-trial .trial-introduction{max-width:760px;margin-bottom:28px}.berd-trial .trial-introduction h1{letter-spacing:-.035em;margin:17px 0;font:400 clamp(32px,3.6vw,46px)/1.14 Georgia,serif}.berd-trial .trial-introduction>p{margin-bottom:14px;font-size:17px;line-height:1.7}.berd-trial .trial-introduction .trial-pace{color:#526c7e;margin:0;font-size:13px}.berd-trial .trial-route{border-block:1px solid #d7e5ed;margin-bottom:32px;padding:17px 0}.berd-trial .trial-route ol{flex-wrap:wrap;gap:12px 24px;margin:0;padding:0;list-style:none;display:flex}.berd-trial .trial-route a{color:#215f88;align-items:center;gap:8px;min-height:32px;font-size:12px;display:inline-flex}.berd-trial .trial-route a span{border:1px solid #b8d2e3;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:11px;display:inline-flex}.berd-trial .trial-step{border-bottom:1px solid #d7e5ed;margin:0 0 32px;padding:0 0 34px;scroll-margin-top:25px}.berd-trial .trial-step:last-child{border-bottom:0}.berd-trial .trial-step-heading{align-items:baseline;gap:16px;margin-bottom:20px;display:flex}.berd-trial .trial-step-heading>span{color:#6a93ad;min-width:23px;font:400 29px/1 Georgia,serif}.berd-trial .trial-step-heading h2{letter-spacing:-.025em;margin:0;font:400 clamp(25px,2.7vw,32px)/1.2 Georgia,serif}.berd-trial .trial-step-body{min-width:0;padding-left:39px}.berd-trial .trial-step-body>p{max-width:760px;font-size:16px;line-height:1.8}.berd-trial .trial-step-body .learning-videos{margin:0 0 14px}.berd-trial .trial-step-body .learning-videos article{margin:0}.berd-trial .learning-videos h3{margin-bottom:13px;font-size:17px;font-weight:600}.berd-trial .learning-videos video,.berd-trial .lesson-video video{border-radius:9px;width:100%;max-height:460px}.berd-trial .lesson-extra-videos{margin-top:15px}.berd-trial .lesson-extra-videos article+article{margin-top:25px}.berd-trial .trial-more{color:#526c7e;max-width:800px;margin:20px 0;font-size:14px}.berd-trial .trial-more summary,.berd-trial .lesson-extra-videos>summary{cursor:pointer;color:#215f88;padding-block:8px;font-size:13px}.berd-trial .trial-more[open]>summary{margin-bottom:12px}.berd-trial .trial-more p{line-height:1.8}.berd-trial .trial-task-instructions{max-width:760px;margin:19px 0 25px;padding-left:22px;font-size:15px}.berd-trial .trial-task-instructions li{margin-bottom:12px;padding-left:4px}.berd-trial .trial-exercise{background:#fff;border:1px solid #d7e5ed;border-radius:12px;min-width:0;margin:25px 0}.berd-trial .trial-exercise .instrument-panel{box-shadow:none;border:0;margin-bottom:0}.berd-trial .trial-exercise .practice-workspace{margin:0}.berd-trial .trial-exercise .practice-stats{display:none}.berd-trial .trial-writing-hint{background:#edf6fb;border-left:3px solid #9cc5de;border-radius:0 7px 7px 0;padding:15px 20px}.berd-trial .trial-self-check{border:0;margin:25px 0;padding:0}.berd-trial .trial-self-check legend{color:#526c7e;padding:0 0 14px;font-size:13px}.berd-trial .trial-self-check label{margin-bottom:14px;font-size:15px}.berd-trial .trial-result{background:#edf6fb;border-radius:9px;max-width:800px;margin-top:25px;padding:25px}.berd-trial .trial-result textarea{font-size:16px}.berd-trial .trial-result>label{margin-bottom:18px}.berd-trial .trial-result .checkbox{font-size:13px}.berd-trial .trial-continue{text-underline-offset:4px;padding-block:10px;font-size:13px;text-decoration:underline;display:inline-block}.berd-trial .trial-next-locked{color:#526c7e;align-items:center;gap:10px;margin:22px 0;font-size:13px;display:flex}.berd-trial .trial-repeat{text-underline-offset:4px;margin-left:22px;padding-block:12px;font-size:13px;text-decoration:underline;display:inline-block}.berd-course .course-video-note{color:#526c7e;align-items:center;gap:9px;margin-bottom:20px;font-size:13px;display:flex}.berd-course .course-lesson-row{border-top:1px solid #e5edf3;align-items:center;gap:12px;padding:5px 0;display:flex}.berd-course .course-lesson-row .course-lesson-link{color:#14344b;flex:1;align-items:center;gap:12px;min-width:0;font-size:13px;line-height:1.5;display:flex}.berd-course .course-lesson-link>span:nth-child(2){flex:1}.berd-course .course-lesson-link .lesson-icon{flex-shrink:0}.berd-course .course-lesson-lock{color:#526c7e;font-size:10px}.berd-course .course-video-link{color:#215f88;white-space:nowrap;align-items:center;gap:6px;min-height:36px;font-size:11px;display:inline-flex}.berd-course .course-lesson-link .badge{white-space:nowrap}.berd-trial :where(a,button,summary,input,textarea):focus-visible,.berd-course .course-video-link:focus-visible{outline-offset:4px;outline:3px solid #337ea8}@media (width<=760px){.berd-trial .trial-introduction>p{font-size:15px}.berd-trial .trial-route ol{gap:5px 15px}.berd-trial .trial-route a{font-size:11px}.berd-trial .trial-step{margin-bottom:25px;padding-bottom:25px}.berd-trial .trial-step-heading{gap:11px}.berd-trial .trial-step-heading>span{min-width:20px;font-size:25px}.berd-trial .trial-step-body{padding-left:0}.berd-trial .trial-step-body>p{font-size:15px}.berd-trial .trial-result{padding:20px 17px}.berd-trial .trial-task-instructions{font-size:14px}.berd-trial .trial-repeat{width:fit-content;margin:13px 0 0;display:block}.berd-course .course-lesson-row{flex-wrap:wrap;gap:5px;padding:7px 0}.berd-course .course-lesson-row .course-lesson-link{flex:auto;gap:9px;width:100%;font-size:12px}.berd-course .course-lesson-lock{max-width:50px;font-size:9px}.berd-course .course-video-link{min-height:29px;margin-left:38px}}:root{--ink:#252b43;--navy:#3c4cb8;--blue:#3c4cb8;--muted:#65677d;--line:#dfdfeb;--paper:#fff;--back:#fcfcfe;--pale:#eceaf6;--teal:#306b5b;--green:#e9f2ec;--red:#a53a46;--radius:18px;color:var(--ink);background:var(--back);font-synthesis:none;font-family:Segoe UI,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;font-size:15px;line-height:1.6}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline-offset:3px;outline:3px solid #6a98d6}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{color:var(--ink);text-wrap:balance;scroll-margin-top:24px;line-height:1.25}h1{letter-spacing:-1px;margin-bottom:14px;font-size:38px;font-weight:600}h2{letter-spacing:-.45px;margin-bottom:20px;font-size:24px}h3{margin-bottom:12px;font-size:18px}h4{margin-bottom:8px;font-size:16px}p{margin-bottom:18px}small{color:var(--muted);font-size:12px}hr{border:0;border-top:1px solid var(--line);margin:24px 0}img,video{max-width:100%}audio{width:100%;max-width:100%;margin-top:12px}svg{flex-shrink:0}label{flex-direction:column;gap:7px;min-width:0;margin-bottom:18px;font-size:14px;font-weight:600;display:flex}input:not([type=checkbox]):not([type=range]):not([type=file]),textarea,select{width:100%;min-width:0;color:var(--ink);background:#fff;border:1px solid #cfd9e5;border-radius:9px;padding:11px 13px;font-size:14px;line-height:1.5}textarea{resize:vertical}input[type=range]{accent-color:var(--blue);width:110px}input[type=checkbox]{accent-color:var(--blue);flex-shrink:0;width:17px;height:17px;margin:3px 0 0}select{padding-right:28px}.checkbox{flex-direction:row;align-items:flex-start;gap:10px;font-weight:400}.checkbox small{margin-top:3px;display:block}.muted,.fineprint{color:var(--muted)}.fineprint{margin:18px 0;font-size:12px}.lead{font-size:19px;line-height:1.65}.preserve{white-space:pre-wrap;overflow-wrap:anywhere}.full{width:100%}.full-span{grid-column:1/-1}.narrow{max-width:720px}.prose{max-width:820px;font-size:16px}.prose p{line-height:1.8}.prose h2{margin-top:35px}.skip{z-index:100;background:#fff;padding:10px;position:fixed;top:-70px;left:10px}.skip:focus{top:10px}.app-shell{min-height:100vh;display:flex}.sidebar{border-right:1px solid var(--line);z-index:30;background:#fff;flex-direction:column;width:246px;padding:30px 18px 22px;display:flex;position:fixed;inset:0 auto 0 0;overflow:auto}.brand{color:var(--navy);letter-spacing:-.7px;align-items:center;gap:11px;margin:0 7px 40px;font-size:20px;font-weight:700;display:flex}.brand:hover{text-decoration:none}.brand-mark{background:var(--navy);color:#fff;border-radius:14px 14px 6px;justify-content:center;align-items:center;width:39px;height:42px;display:flex}.brand small{letter-spacing:.05px;color:var(--muted);white-space:nowrap;margin-top:2px;font-size:9px;font-weight:400;display:block}.nav-item{color:#5a6a7e;border-radius:10px;align-items:center;gap:12px;margin-bottom:5px;padding:11px 14px;font-size:13px;font-weight:500;display:flex}.nav-item:hover{background:#f3f6fb;text-decoration:none}.nav-item.active{color:#3059a5;background:#e9f0fc;font-weight:650}.sidebar-bottom{margin-top:auto;padding-top:32px}.social-note{color:var(--teal);gap:10px;margin:0 11px 28px;font-size:12px;line-height:1.5;display:flex}.social-note a{color:var(--muted);margin-top:5px;font-size:11px;display:block}.workspace{width:calc(100% - 246px);min-width:0;margin-left:246px}.topbar{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;height:82px;padding:0 42px;display:flex}.topbar-left{color:var(--muted);align-items:center;gap:15px;font-size:13px;display:flex}.topbar-right{align-items:center;gap:25px;display:flex}.language{color:var(--muted);font-size:12px}.profile-pill{color:var(--ink);align-items:center;gap:10px;font-size:13px;display:flex}.avatar{width:34px;height:34px;color:var(--navy);background:#e5edf8;border-radius:50%;justify-content:center;align-items:center;font-weight:650;display:flex}.main{max-width:1480px;min-height:calc(100vh - 170px);margin:auto;padding:36px 42px 60px}.footer{color:var(--muted);border-top:1px solid var(--line);justify-content:space-between;gap:20px;padding:24px 42px;font-size:11px;display:flex}.footer div{flex-wrap:wrap;gap:20px;display:flex}.footer a{color:var(--muted)}.mobile-menu,.mobile-close{display:none!important}.icon-button{color:inherit;background:0 0;border:0;border-radius:8px;justify-content:center;align-items:center;padding:8px;display:inline-flex}.icon-button:hover{background:#e9eef6}.button{min-height:43px;color:var(--navy);text-align:center;background:#fff;border:1px solid #cfdbe9;border-radius:9px;justify-content:center;align-items:center;gap:9px;padding:10px 18px;font-size:13px;font-weight:600;line-height:1.4;transition:background .15s,border-color .15s;display:inline-flex}.button:hover:not(:disabled){background:#eaf0f9;border-color:#a7bcd8;text-decoration:none}.button.primary{background:var(--navy);color:#fff;border-color:var(--navy)}.button.small{min-height:34px;padding:7px 12px;font-size:12px}.button.danger{color:var(--red);border-color:#e9c9cd}.button.selected{background:#eaf1fc;border-color:#7d9dcc}.actions{flex-wrap:wrap;align-items:center;gap:15px;display:flex}.text-link{align-items:center;gap:8px;font-size:13px;font-weight:600;display:inline-flex}.badge{color:#557397;background:#edf2f8;border-radius:6px;align-items:center;padding:5px 9px;font-size:10px;font-weight:600;line-height:1.4;display:inline-flex}.badge.green{background:var(--green);color:#287153}.page-title{justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px;display:flex}.page-title p{color:var(--muted);max-width:720px;margin-bottom:0;font-size:15px}.page-title h1{margin-bottom:10px}.back-link{color:var(--muted);margin:0 0 24px;font-size:12px;display:inline-block}.back-link:before{content:"‹";vertical-align:-1px;margin-right:9px;font-size:20px}.section-heading{justify-content:space-between;align-items:center;gap:20px;margin:32px 0 20px;display:flex}.section-heading h2{margin:0}.section-heading a{align-items:center;gap:5px;font-size:12px;display:flex}.section-heading label{margin:0}.panel{border:1px solid var(--line);background:#fff;border-radius:14px;margin-bottom:24px;padding:26px}.panel>.button+.button{margin-left:10px}.notice{background:#eaf1f9;border-left:3px solid #7197c5;border-radius:0 10px 10px 0;margin:24px 0;padding:18px 22px;font-size:14px;line-height:1.65}.notice h3{margin-bottom:9px}.notice p:last-child{margin-bottom:0}.notice.error,.inline-error{color:#993644;background:#fff0f0;border-color:#bd5962}.inline-error{border-radius:8px;padding:12px}.empty{text-align:center;background:#fff;border:1px dashed #ccd9e7;border-radius:16px;margin:24px 0;padding:48px 30px}.empty-symbol{color:#9fb6d6;margin-bottom:10px;font-size:38px;display:block}.empty p{max-width:520px;color:var(--muted);margin:0 auto 22px}.empty h3{font-size:23px}.loading{min-height:400px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;display:flex}.loading-notes{letter-spacing:12px;color:#6583ad;font-size:40px}.toast{z-index:100;color:#fff;background:#203b65;border-radius:12px;align-items:center;gap:12px;max-width:min(600px,90vw);padding:14px 18px;font-size:14px;display:flex;position:fixed;bottom:25px;left:calc(50% + 110px);transform:translate(-50%);box-shadow:0 8px 35px #203b6530}.toast.error{background:#973b47}.toast .icon-button:hover{background:#ffffff20}.welcome{background:#e9f1fc;border:1px solid #dce7f6;border-radius:22px;grid-template-columns:1.25fr 1fr;gap:10px;min-height:400px;padding:42px 38px 32px;display:grid;position:relative;overflow:hidden}.welcome-copy{z-index:2;position:relative}.round-label{color:#557292;align-items:center;gap:8px;margin-bottom:21px;font-size:11px;display:inline-flex}.welcome h1{letter-spacing:-1.2px;margin-bottom:20px;font-family:Georgia,Times New Roman,serif;font-size:45px;font-weight:400;line-height:1.16}.welcome p{color:#5f728c;max-width:440px;font-size:14px;line-height:1.75}.welcome-foot{color:#657e9d;align-items:center;gap:7px;margin-top:26px;font-size:10px;display:flex}.welcome .actions{gap:20px}.piano-art{min-width:0;position:relative}.art-disc{background:#d8e5f8;border-radius:50%;justify-content:center;align-items:center;width:230px;height:230px;display:flex;position:absolute;top:-5px;right:4%}.art-disc span{color:#819ac2;margin-top:-22px;font-family:Georgia;font-size:145px;line-height:1;transform:rotate(-12deg)}.staff-lines{height:108px;position:absolute;top:88px;left:-45px;right:-55px;transform:rotate(-12deg)}.staff-lines i{opacity:.55;background:#a8bfdc;height:1px;margin:13px 0;display:block}.staff-lines b{color:#506f9f;font-family:Georgia;font-size:100px;font-weight:400;position:absolute;top:-28px;left:35px}.art-keys{background:#203b65;border-radius:10px 10px 12px 12px;width:350px;height:150px;padding:12px 8px 6px;display:flex;position:absolute;bottom:39px;right:-33px;transform:perspective(600px)rotateY(-11deg)rotateX(18deg)rotate(-9deg);box-shadow:0 18px #a6bbd9,0 30px 32px #637fa421}.art-keys>span{background:#fff;border-right:1px solid #ced7e7;border-radius:0 0 4px 4px;flex:1;position:relative}.art-keys i{z-index:1;background:#263c5b;border-radius:0 0 4px 4px;width:70%;height:60%;position:absolute;top:-1px;left:63%;box-shadow:0 4px #10243c}.art-caption{color:#7f94b2;align-items:center;gap:8px;font-size:10px;display:flex;position:absolute;bottom:-9px;right:19px}.art-caption span{background:#718db5;border-radius:50%;width:5px;height:5px}.direction-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.direction{color:var(--ink);border:1px solid var(--line);background:#fff;border-radius:14px;min-height:230px;padding:23px;display:block}.direction:hover{border-color:#a4bad7;text-decoration:none}.direction-icon{color:#5278b3;background:#edf2fa;border-radius:13px;justify-content:center;align-items:center;width:45px;height:45px;margin-bottom:23px;display:flex}.direction.children .direction-icon{color:#9b74ab;background:#f4edf9}.direction.teachers .direction-icon{color:#438b83;background:#e8f3f2}.direction h3{font-size:20px}.direction p{color:var(--muted);min-height:41px;font-size:12px;line-height:1.65}.direction-action{color:#5b789f;justify-content:space-between;align-items:center;padding-top:8px;font-size:11px;font-weight:600;display:flex}.split-feature{grid-template-columns:1.35fr 1fr;gap:22px;margin-top:28px;display:grid}.practice-invite{border:1px solid var(--line);background:#fff;border-radius:15px;align-items:flex-start;gap:22px;padding:30px;display:flex}.practice-invite>svg{color:#6f8bac;margin-top:4px}.practice-invite h2{font-size:23px}.practice-invite p,.inclusive-invite p{color:var(--muted);font-size:13px;line-height:1.7}.inclusive-invite{background:#e9f2ef;border-radius:15px;padding:27px 29px;position:relative}.inclusive-invite>svg{color:#5b9b87;position:absolute;top:28px;right:25px}.inclusive-invite h2{font-size:23px}.inclusive-invite a{color:#347f69;align-items:center;gap:15px;font-size:12px;font-weight:600;display:flex}.tabs{flex-wrap:wrap;align-items:center;gap:5px;display:flex}.tabs button{color:var(--muted);background:0 0;border:0;border-radius:8px;padding:10px 15px;font-size:12px;font-weight:600}.tabs button:hover{background:#eaf0f8}.catalog-controls{justify-content:space-between;align-items:center;gap:15px;margin-bottom:26px;display:flex}.search{border:1px solid var(--line);color:#8a9bb0;background:#fff;border-radius:9px;flex-direction:row;align-items:center;gap:9px;max-width:220px;margin:0;padding:0 12px;display:flex}.search input:not([type=checkbox]){background:0 0;border:0;min-width:80px;padding:9px 0}.course-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.course-tile{border:1px solid var(--line);min-height:250px;color:var(--ink);background:#fff;border-radius:15px;flex-direction:column;padding:23px;display:flex}.course-tile:hover{border-color:#9fb8d6;text-decoration:none;box-shadow:0 6px 20px #203b6507}.course-tile-top{justify-content:space-between;align-items:center;gap:8px;margin-bottom:28px;display:flex}.course-symbol{color:#5577ac;background:#edf2fa;border-radius:11px;justify-content:center;align-items:center;width:38px;height:38px;display:flex}.course-tile.social .course-symbol{color:#4c9078;background:#e8f3ed}.course-tile.children .course-symbol{color:#9c77ad;background:#f2ecf7}.course-tile.teachers .course-symbol{color:#438b83;background:#e8f3f2}.course-tile-top .badge{font-size:9px}.course-tile h3{font-size:20px;font-weight:600;line-height:1.35}.course-tile p{color:var(--muted);margin-bottom:24px;font-size:12px}.course-tile-bottom{color:#7186a3;border-top:1px solid #edf1f6;justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;display:flex}.course-tile-bottom span{align-items:center;gap:7px;font-size:11px;display:flex}.course-hero{background:#e9f1fc;border-radius:20px;justify-content:space-between;gap:30px;padding:36px 38px;display:flex}.course-hero h1{max-width:710px;margin:20px 0;font-family:Georgia,serif;font-size:40px;font-weight:400;line-height:1.18}.course-hero p{color:#617694}.course-summary{color:#6f87a6;border-left:1px solid #cfddec;flex-direction:column;justify-content:center;min-width:180px;padding-left:30px;display:flex}.course-summary strong{color:var(--navy);margin:20px 0 5px;font-size:28px;font-weight:500}.course-summary span{margin-bottom:9px;font-size:12px}.course-body{grid-template-columns:minmax(0,1fr) 260px;gap:40px;margin-top:38px;display:grid}.course-body article>h2{margin-top:30px}.course-body article>h2:first-child{margin-top:0}.course-body article>p{color:#5d7089}.course-aside{border:1px solid var(--line);background:#fff;border-radius:12px;align-self:start;padding:25px;font-size:13px}.course-aside ol{color:var(--muted);padding-left:20px}.course-aside li{padding:0 0 15px 5px}.course-aside .button,.course-aside .text-link{margin-bottom:15px}.aside-note{border-top:1px solid var(--line);margin-top:9px;padding-top:24px}.aside-note p{color:var(--muted);margin-bottom:0;font-size:12px;line-height:1.8}.module-list{border:1px solid var(--line);background:#fff;border-radius:12px;overflow:hidden}.module-list details+details{border-top:1px solid var(--line)}.module-list summary{cursor:pointer;align-items:center;gap:16px;padding:21px;list-style:none;display:flex}.module-list summary::-webkit-details-marker{display:none}.module-list summary>div{flex:1}.module-list summary b{font-size:14px;display:block}.module-list summary small{margin-top:5px;font-size:11px;display:block}.module-number{color:#8ea4c1;font-size:20px;font-weight:300}.module-list details[open] summary>svg{transform:rotate(90deg)}.module-lessons{padding:0 20px 15px 62px}.module-lessons a{color:var(--ink);align-items:center;gap:12px;padding:12px 0;font-size:12px;display:flex}.module-lessons a>span:nth-child(2){flex:1}.lesson-icon{color:#6c8bb1;background:#edf2f8;border-radius:50%;justify-content:center;align-items:center;width:27px;height:27px;display:flex}.lesson-icon.complete{color:#38835f;background:#e7f4eb}.lesson-layout{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:25px;display:grid}.lesson-sheet{border:1px solid var(--line);background:#fff;border-radius:16px;min-width:0;padding:34px}.lesson-sheet>h2{margin-top:32px}.lesson-sheet>p{color:#52667f;max-width:75ch;font-size:15px;line-height:1.85}.lesson-goal{background:#edf4fa;border-radius:12px;padding:23px}.lesson-goal>span{color:#587799;align-items:center;gap:9px;font-size:12px;font-weight:600;display:flex}.lesson-goal p{margin:13px 0 0;font-size:20px;line-height:1.5}.lesson-steps>div{gap:16px;padding:15px 0;display:flex}.step-circle{color:#6586b0;background:#edf2f8;border-radius:50%;justify-content:center;align-items:center;min-width:28px;height:28px;margin-top:2px;font-size:11px;display:flex}.lesson-steps h3{margin-bottom:7px;font-size:15px}.lesson-steps p{color:#5e7189;margin-bottom:0;font-size:14px;line-height:1.8}.exercise-task{border:1px solid var(--line);background:#f7f9fc;border-radius:12px;margin:28px 0;padding:22px}.score-preview{background:#fff;margin:18px 0;padding:10px;overflow:auto}.score-preview img{width:100%;min-width:360px;height:auto;margin-bottom:14px;display:block}.lesson-sidebar .sticky-panel{border:1px solid var(--line);background:#fff;border-radius:13px;padding:23px;position:sticky;top:25px}.lesson-sidebar p,.lesson-sidebar label,.lesson-sidebar textarea{font-size:12px}.next-lesson{justify-content:space-between;align-items:center;margin-top:25px;font-size:12px;display:flex}.hint{border:1px solid var(--line);border-radius:9px;margin:15px 0;padding:15px 18px;font-size:13px}.hint summary{cursor:pointer;font-weight:600}.hint p{margin:15px 0 5px}.stats-strip{border:1px solid var(--line);background:#fff;border-radius:15px;grid-template-columns:repeat(3,1fr);margin-bottom:34px;padding:27px 10px;display:grid}.stats-strip>div{border-right:1px solid var(--line);flex-direction:column;gap:5px;padding:0 24px;display:flex}.stats-strip>div:last-child{border:0}.stats-strip strong{color:#43699e;font-size:32px;font-weight:500}.stats-strip span{color:var(--muted);font-size:12px}.learning-list{gap:16px;margin-bottom:30px;display:grid}.learning-list>section{border:1px solid var(--line);background:#fff;border-radius:13px;align-items:center;gap:22px;padding:25px;display:flex}.learning-icon{color:#6389bd;background:#edf2fa;border-radius:12px;justify-content:center;align-items:center;width:52px;height:60px;display:flex}.learning-list section>div{flex:1}.learning-list h3{margin-bottom:7px}.learning-list p{color:var(--muted);margin-bottom:10px;font-size:12px}.learning-list progress{width:100%;max-width:350px}progress{appearance:none;background:#e6edf7;border:0;border-radius:5px;height:5px}progress::-webkit-progress-bar{background:#e6edf7;border-radius:5px}progress::-webkit-progress-value{background:#7494c8;border-radius:5px}progress::-moz-progress-bar{background:#7494c8}.two-column{grid-template-columns:1fr 1fr;gap:25px;display:grid}.history-row,.order-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:18px;padding:16px 0;font-size:13px;display:flex}.history-row small,.order-row small{margin-top:4px;display:block}.history-row+.text-link{margin-top:20px}.order-row{border:1px solid var(--line);background:#fff;border-radius:10px;margin:0 0 10px;padding:20px}.library-layout{grid-template-columns:260px minmax(0,1fr);gap:24px;display:grid}.piece-list{flex-direction:column;gap:8px;display:flex}.piece-list button{text-align:left;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:10px;padding:16px}.piece-list button.selected{background:#eaf1fc;border-color:#6e92c8}.piece-list span{color:#7b94b6;margin-bottom:4px;font-size:10px;display:block}.piece-list b{margin-bottom:5px;font-size:13px;display:block}.piece-list small{font-size:11px;line-height:1.5;display:block}.score-sheet{border:1px solid var(--line);background:#fff;border-radius:15px;align-self:start;min-width:0;padding:30px}.score-scroll{margin:20px -10px;overflow:auto}.score-scroll img{width:100%;min-width:500px;height:auto}.score-sheet .actions{gap:9px}.score-sheet .button{font-size:12px}.slots-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.slot{border:1px solid var(--line);background:#fff;border-radius:13px;flex-direction:column;align-items:flex-start;gap:12px;padding:25px;display:flex}.slot h3,.slot p{margin:0}.slot>svg{color:#7695c0;margin-bottom:10px}.slot p{color:var(--muted);font-size:12px}.slot .button{margin-top:9px}.plans-explainer{border:1px solid var(--line);background:#fff;border-radius:15px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.plans-explainer>section{border-right:1px solid var(--line);padding:30px}.plans-explainer>section:last-child{border:0}.plan-icon{color:#6a8dbb;margin-bottom:20px;display:block}.plans-explainer h2{font-size:21px}.plans-explainer p{color:var(--muted);margin:0;font-size:13px}.plans-grid{grid-template-columns:repeat(3,1fr);gap:20px;margin:25px 0;display:grid}.price{letter-spacing:-1px;margin:17px 0;font-size:32px}.price small{letter-spacing:0;margin-left:7px;font-size:12px}.social-banner{background:#e8f2ed;border:1px solid #d9e8de;border-radius:15px;align-items:center;gap:25px;margin:32px 0;padding:26px;display:flex}.social-banner>svg{color:#558d75}.social-banner h3{margin-bottom:5px}.social-banner p{color:#62816e;margin-bottom:0;font-size:12px}.social-banner>div{flex:1}.settings-layout{grid-template-columns:1.1fr 1fr;gap:25px;display:grid}.settings-layout .text-link{margin-top:18px;display:flex}.source{border-bottom:1px solid var(--line);padding:20px 0}.source summary{cursor:pointer;font-size:15px;font-weight:600}.source p{margin:15px 0 0;font-size:13px}.source a{margin-top:10px;font-size:13px;display:inline-block}.practice-tabs{margin:0 0 22px}.practice-tabs button{padding:12px 22px;font-size:13px}.instrument-panel{border:1px solid var(--line);background:#fff;border-radius:17px;padding:28px;overflow:hidden}.instrument-top{justify-content:space-between;align-items:center;gap:20px;margin-bottom:23px;display:flex}.instrument-top h2{margin-bottom:5px;font-size:23px}.instrument-top p{color:var(--muted);margin:0;font-size:11px}.sound-controls{align-items:center;gap:15px;display:flex}.volume-control{color:#7c92ae;flex-direction:row;align-items:center;gap:9px;margin:0;font-size:10px}.keyboard-toolbar{justify-content:space-between;align-items:center;gap:15px;margin:20px 0 13px;display:flex}.keyboard-toolbar .checkbox{align-items:center;margin:0;font-size:11px}.octave-control{align-items:center;gap:10px;display:flex}.octave-control button{border:1px solid var(--line);color:#597aab;background:#f4f7fb;border-radius:5px;padding:5px;display:flex}.octave-control span{color:var(--muted);font-size:11px}.pedal-button{border:1px solid var(--line);color:#6b7e97;background:#f5f7fb;border-radius:7px;padding:7px 12px;font-size:11px}.pedal-button.selected{background:#e4eefb;border-color:#7496c8}.keyboard-scroll{border-radius:10px;padding-bottom:10px;overflow-x:auto}.piano-keyboard{touch-action:none;background:#dce4f0;border:7px solid #263e5e;border-top-width:14px;border-radius:10px;min-width:620px;height:212px;position:relative;box-shadow:0 7px #cad5e5}.piano-key{touch-action:none;-webkit-user-select:none;user-select:none;padding:0;position:absolute;top:0;opacity:1!important}.piano-key:disabled{cursor:default}.piano-key.white{z-index:1;color:#6a809e;background:#fff;border:1px solid #c9d3df;border-top:0;border-radius:0 0 6px 6px;height:100%;box-shadow:inset 0 -5px #edf0f5}.piano-key.white:hover:not(:disabled){background:#f0f5fc}.piano-key.white.pressed{background:#bbd2ee;box-shadow:inset 0 -2px #9bb9e0}.piano-key.white span{font-size:10px;position:absolute;bottom:20px;left:0;right:0}.piano-key.white i{background:#6f91c0;border-radius:50%;width:4px;height:4px;position:absolute;bottom:8px;left:calc(50% - 2px)}.piano-key.black{z-index:2;color:#b6c6db;background:#263b56;border:1px solid #19304c;border-radius:0 0 5px 5px;height:62%;box-shadow:inset 0 -5px #152b43,2px 3px 4px #14294425}.piano-key.black.pressed{background:#5f86bb;box-shadow:inset 0 -2px #3e699f}.piano-key.black span{font-size:8px;position:absolute;bottom:13px;left:0;right:0}.keyboard-help{color:#7a8da6;margin:13px 0 20px;font-size:10px;line-height:1.6}.instrument-bottom{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:18px;padding-top:20px;display:flex}.instrument-bottom label{color:var(--muted);flex-direction:row;align-items:center;gap:7px;margin:0;font-size:11px;font-weight:400}.instrument-bottom input[type=number]{width:66px;padding:5px 8px;font-size:12px}.session-time{font-variant-numeric:tabular-nums;color:var(--muted);margin-left:auto;font-size:12px}.beats{gap:5px;margin-left:5px;display:flex}.beats i{background:#bdcbe0;border-radius:50%;width:5px;height:5px}.beats i.lit{background:#3763ad;box-shadow:0 0 0 3px #3763ad20}.exercise-select{grid-template-columns:2fr 1fr;gap:20px;display:grid}.exercise-select label{font-size:11px}.practice-score{border:1px solid var(--line);background:#fff;border-radius:10px;max-height:430px;margin-bottom:22px;overflow:auto}.practice-score img{width:100%;min-width:600px;display:block}.instrument-panel>.actions{margin-bottom:25px}.instrument-panel>.actions .muted{flex:1;font-size:11px}.input-options{grid-template-columns:1fr 1fr;gap:24px;margin-top:24px;display:grid}.input-options>section{border:1px solid var(--line);background:#fff;border-radius:13px;padding:26px}.input-options>section>svg{color:#6b8cb8;margin-bottom:14px}.input-options h3{font-size:17px}.input-options p{color:var(--muted);font-size:12px}.input-options .device-status{color:#3b7f70;margin:15px 0 0}.detected-note{color:#488476;margin-left:20px;font-size:23px;display:inline-block}.audio-credit{color:#8395ad;text-align:center;margin-top:20px;font-size:10px}.audio-credit a{color:#7b91af}.result-panel{background:#eaf3ee;border:1px solid #d5e5da;border-radius:15px;grid-template-columns:1fr 1.4fr;gap:24px;margin-top:24px;padding:28px;display:grid}.result-score{color:#3a7f5b;margin-bottom:10px;font-size:42px;line-height:1.2;display:block}.result-panel h3{font-size:17px}.result-panel p{font-size:12px}.result-panel .fineprint{margin:0}.note-results{flex-wrap:wrap;gap:5px;margin:15px 0;display:flex}.note-results span{color:#38704b;background:#d9eade;border-radius:4px;padding:4px 7px;font-size:10px}.note-results .wrong,.note-results .extra,.note-results .missing{color:#a54f54;background:#f8e7e6}.ear-task{text-align:center;flex-direction:column;align-items:center;gap:12px;padding:20px 20px 35px;display:flex}.ear-symbol{color:#6e8dba;background:#e9f0fb;border-radius:50%;justify-content:center;align-items:center;width:85px;height:85px;margin-bottom:10px;display:flex}.ear-task h3{margin-bottom:0;font-size:24px}.ear-task p{color:var(--muted);margin-bottom:7px;font-size:13px}.ear-options{justify-content:center;gap:12px;margin-top:15px;display:flex}.rhythm-task{text-align:center;padding:25px}.rhythm-task p{color:var(--muted);font-size:13px}.tap-button{color:#fff;background:#6485b5;border:8px solid #e5edf9;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:180px;height:180px;margin:25px auto;font-size:21px;font-weight:600;display:flex}.tap-button:active{background:#345b96;transform:scale(.98)}.tap-button span{color:#dfe9f8;margin-top:8px;font-size:11px;font-weight:400}.rhythm-result{background:#f2f6fc;border-radius:12px;max-width:440px;margin:0 auto;padding:22px}.quiz-panel{border:1px solid var(--line);background:#fff;border-radius:16px;max-width:900px;margin:auto;padding:32px}.quiz-heading{justify-content:space-between;align-items:center;gap:25px;margin-bottom:30px;display:flex}.quiz-heading h2{margin:0}.quiz-heading label{margin:0;font-size:11px}.quiz-progress{justify-content:space-between;align-items:center;gap:30px;margin-bottom:26px;display:flex}.quiz-progress span{color:var(--muted);font-size:12px}.quiz-progress progress{width:50%}.quiz-question{max-width:650px;font-size:24px;line-height:1.5}.quiz-choices{gap:12px;margin:24px 0;display:grid}.quiz-choices button{border:1px solid var(--line);text-align:left;color:var(--ink);background:#fff;border-radius:10px;align-items:center;gap:16px;padding:17px 20px;font-size:14px;display:flex}.quiz-choices button>span{color:#7992b4;background:#edf2f8;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;display:flex}.quiz-choices button.selected{background:#edf3fc;border-color:#698cc3}.quiz-result{text-align:center;margin:30px auto}.quiz-result>svg{color:#4e9876}.quiz-result h3{margin:10px 0;font-size:42px}.quiz-result p{color:var(--muted);font-size:13px}.quiz-review{background:#f0f7f3;border-left:3px solid #83af9c;border-radius:0 9px 9px 0;margin:15px 0;padding:20px}.quiz-review.wrong{background:#faf4ef;border-color:#cea08c}.quiz-review b{font-size:14px}.quiz-review p{margin:10px 0 0;font-size:12px}.submission-layout{grid-template-columns:minmax(0,1fr) 260px;gap:28px;display:grid}.submission-form{min-width:0}.form-row{grid-template-columns:1fr 1fr;gap:20px;display:grid}.submission-tips{color:var(--muted);padding:25px 5px;font-size:13px}.submission-tips ol{padding-left:20px}.submission-tips li{padding:0 0 15px 4px}.submission-tips .notice{padding:15px;font-size:12px}.record-area{background:#f4f7fc;border:1px dashed #bacce1;border-radius:11px;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;padding:20px;display:flex}.file-button{color:#5a7fae;cursor:pointer;flex-direction:row;align-items:center;gap:7px;margin:0;padding:10px;font-size:12px;display:inline-flex;position:relative}.file-button input{opacity:0;cursor:pointer;width:100%;position:absolute;inset:0}.record-preview{border-radius:8px;width:100%;max-height:260px}.recording-dot{background:#ba4a59;border-radius:50%;width:8px;height:8px}.record-area b{font-size:13px}.attachment-preview{background:#f4f7fb;border-radius:10px;margin-top:20px;padding:15px}.attachment-preview>div{overflow-wrap:anywhere;align-items:center;gap:12px;margin-bottom:10px;font-size:12px;display:flex}.attachment-preview .icon-button{margin-left:auto}.attachment-preview video{background:#233951;border-radius:8px;width:100%;max-height:300px}.submission-list{grid-template-columns:1fr 1fr;gap:23px;display:grid}.submission-card{border:1px solid var(--line);background:#fff;border-radius:13px;min-width:0;padding:25px}.submission-heading{justify-content:space-between;align-items:flex-start;gap:15px;display:flex}.submission-heading h3{margin:12px 0 4px;font-size:17px}.submission-card>p{margin:20px 0;font-size:13px}.submission-card video{background:#263b56;border-radius:8px;width:100%;max-height:300px}.teacher-feedback{background:#eef6f1;border-radius:9px;margin-top:20px;padding:17px}.teacher-feedback span{color:#52866a;align-items:center;gap:7px;font-size:11px;display:flex}.teacher-feedback p{margin:10px 0 0;font-size:13px}.delete-confirm{background:#fff0f1;border-radius:10px;margin-top:15px;padding:18px;font-size:13px}.delete-confirm .button{margin-right:10px}.studio-tabs{margin-bottom:28px}.review-card{grid-template-columns:1fr 1fr;gap:30px;display:grid}.review-card video{background:#20334e;border-radius:9px;width:100%;max-height:350px}.review-card p,.review-card a{font-size:13px}.table-scroll{border:1px solid var(--line);background:#fff;border-radius:12px;margin-bottom:25px;overflow:auto}table{border-collapse:collapse;width:100%;min-width:620px;font-size:13px}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;padding:16px 18px}th{color:var(--muted);background:#eff4fa;font-size:11px;font-weight:600}td small{display:block}td .button{margin:4px}.lesson-editor{max-width:1000px}.school-settings{max-width:850px}.school-settings h2:not(:first-child){margin-top:35px}.school-settings .checkbox{margin:25px 0}.quiet .piano-art,.quiet .round-label,.quiet .audio-credit{display:none}.quiet *{transition:none!important;animation:none!important}.quiet .welcome{min-height:auto;display:block}.large-text{font-size:19px}.large-text body{font-size:17px}.large-text p,.large-text .lesson-sheet p,.large-text label,.large-text input,.large-text select,.large-text textarea{font-size:17px!important}@media (width>=1550px){.welcome h1{font-size:54px}.welcome{min-height:430px}.art-keys{width:420px;height:180px;bottom:32px;right:0}.piano-art{margin-right:25px}.art-disc{right:12%}.course-grid{grid-template-columns:repeat(3,1fr)}}@media (width<=1200px){.sidebar{width:218px;padding-left:13px;padding-right:13px}.brand{gap:9px;font-size:18px}.brand small{font-size:8px}.workspace{width:calc(100% - 218px);margin-left:218px}.main{padding:28px}.topbar{padding:0 28px}.welcome{grid-template-columns:1.4fr 1fr;padding:30px}.welcome h1{font-size:38px}.art-keys{width:290px;right:-60px}.direction-grid,.course-grid{gap:14px}.direction,.course-tile{padding:20px}.course-grid{grid-template-columns:repeat(2,1fr)}.welcome .actions{gap:15px}.welcome .text-link{font-size:11px}.course-body{grid-template-columns:minmax(0,1fr) 230px;gap:25px}.lesson-layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.lesson-sheet{padding:25px}.lesson-sidebar .sticky-panel{padding:20px}.lesson-goal p{font-size:18px}.submission-layout{grid-template-columns:minmax(0,1fr) 220px}.sound-controls{flex-wrap:wrap;justify-content:flex-end;gap:9px}.volume-control input{width:80px}.instrument-panel{padding:22px}.plans-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=1000px){.direction-grid{grid-template-columns:1fr}.direction{grid-template-columns:45px 1fr;column-gap:20px;min-height:0;padding:20px;display:grid}.direction-icon{grid-row:1/4;margin:0}.direction h3{margin-bottom:8px}.direction p{min-height:0;margin-bottom:9px}.direction-action{padding-top:0}.split-feature,.course-body{grid-template-columns:1fr}.course-aside{display:none}.lesson-layout{grid-template-columns:1fr}.lesson-sidebar .sticky-panel{display:block;position:static}.welcome{min-height:0;display:block}.piano-art{display:none}.welcome h1{font-size:42px}.welcome p{max-width:510px}.course-hero{padding:28px}.course-hero h1{font-size:32px}.course-summary{min-width:150px;padding-left:20px}.library-layout{grid-template-columns:200px minmax(0,1fr);gap:18px}.score-sheet{padding:23px}.input-options{gap:16px}.input-options>section{padding:22px}.instrument-top{align-items:flex-start}.instrument-top h2{font-size:20px}.instrument-top p{max-width:200px}.sound-controls{max-width:230px}.plans-explainer{grid-template-columns:1fr}.plans-explainer>section{border-right:0;border-bottom:1px solid var(--line);padding:25px}.plans-explainer h2{margin-bottom:10px}.plan-icon{float:left;margin:0 20px 20px 0}.submission-layout{grid-template-columns:1fr}.submission-tips{display:none}.submission-list,.review-card,.settings-layout,.two-column{grid-template-columns:1fr}.learning-list>section{flex-wrap:wrap}.learning-list section>div{min-width:180px}.learning-list .button{margin-left:74px}.slots-grid{grid-template-columns:repeat(2,1fr)}.footer{flex-direction:column;gap:10px;padding:22px 28px}.catalog-controls{flex-direction:column;align-items:stretch}.search{max-width:none}.toast{left:calc(50% + 105px)}}@media (width<=760px){.sidebar{visibility:hidden;width:260px;transition:transform .2s;transform:translate(-100%)}.sidebar.open{visibility:visible;transform:translate(0)}.brand{margin-top:12px;font-size:21px}.brand small{font-size:9px}.workspace{width:100%;margin-left:0}.mobile-menu{display:inline-flex!important}.mobile-close{position:absolute;top:4px;right:8px;display:inline-flex!important}.topbar{height:68px;padding:0 20px}.topbar-left>span{font-size:11px}.topbar-right{gap:12px}.language{display:none}.profile-pill{gap:7px;font-size:11px}.avatar{width:29px;height:29px}.main{padding:24px 20px 40px}.scrim{z-index:25;background:#142c4a55;border:0;position:fixed;inset:0}.welcome{border-radius:15px;padding:30px 26px}.welcome h1{font-size:39px}.welcome p{font-size:13px}.round-label{font-size:10px}.welcome .actions{flex-direction:column;align-items:flex-start;gap:17px}.welcome-foot{margin-top:23px;font-size:9px}.section-heading{gap:10px;margin-top:28px}.section-heading h2{font-size:21px}.section-heading a{font-size:11px}.direction-grid{gap:13px}.direction{grid-template-columns:43px 1fr;gap:0 19px;padding:22px}.direction h3{font-size:20px}.direction p{font-size:12px}.direction-action{font-size:10px}.split-feature{gap:18px}.practice-invite{gap:16px;padding:25px}.practice-invite h2{font-size:21px}.practice-invite p{font-size:12px}.inclusive-invite{padding:25px}.inclusive-invite h2{font-size:23px}.page-title{align-items:flex-start;margin-bottom:25px}.page-title h1{font-size:31px;line-height:1.2}.page-title p{font-size:13px}.page-title .badge{display:none}.course-grid{gap:14px}.course-tile{min-height:240px;padding:19px}.course-tile h3{font-size:18px}.course-tile-top{flex-direction:column;align-items:flex-start;margin-bottom:22px}.course-tile p{font-size:11px}.course-tile-top .badge{font-size:8px}.course-hero{flex-direction:column;gap:20px;padding:28px}.course-hero h1{font-size:34px}.course-hero p{font-size:13px}.course-summary{border-top:1px solid #cfdae7;border-left:0;flex-flow:wrap;justify-content:flex-start;align-items:center;gap:15px;padding:15px 0 0;display:flex}.course-summary>svg{width:22px;height:22px}.course-summary strong{margin:0;font-size:20px}.course-summary span{margin:0;font-size:11px}.course-summary span:last-child{display:none}.course-body{margin-top:28px}.course-body .lead{font-size:17px}.module-list summary{gap:13px;padding:18px 16px}.module-list summary b{font-size:13px}.module-list summary small{font-size:10px}.module-lessons{padding-left:50px;padding-right:14px}.module-lessons a{gap:9px;font-size:11px}.module-lessons .badge{display:none}.lesson-sheet{padding:24px}.lesson-goal{padding:20px}.lesson-goal p{font-size:18px}.lesson-sheet h2{font-size:22px}.lesson-sheet>p{font-size:14px}.stats-strip{padding:20px 0}.stats-strip>div{padding:0 16px}.stats-strip strong{font-size:27px}.stats-strip span{font-size:10px;line-height:1.5}.learning-list>section{gap:16px;padding:20px}.learning-list h3{font-size:17px}.learning-icon{width:45px;height:50px}.learning-list .button{margin-left:61px}.panel{padding:23px}.two-column{gap:0}.library-layout{grid-template-columns:1fr}.piece-list{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.piece-list button{padding:14px}.piece-list small{display:none}.piece-list b{font-size:12px}.score-sheet{padding:23px}.score-sheet h2{font-size:23px}.score-sheet .button{padding:9px 13px;font-size:11px}.score-sheet p{font-size:13px}.form-row{grid-template-columns:1fr;gap:0}.slots-grid{gap:14px}.slot{padding:20px}.slot h3{font-size:17px}.plans-grid{grid-template-columns:1fr;gap:0}.plans-explainer h2{font-size:21px}.social-banner{flex-wrap:wrap;gap:14px;padding:23px}.social-banner>div{min-width:190px}.social-banner .button{margin-left:38px}.social-banner p{font-size:11px}.social-banner h3{font-size:16px}.order-row{flex-wrap:wrap;padding:17px;font-size:12px}.catalog-controls .tabs{gap:3px}.tabs button{padding:9px 12px;font-size:11px}.practice-tabs{margin-bottom:18px}.practice-tabs button{padding:10px 14px}.instrument-panel{padding:20px 16px}.instrument-top{flex-direction:column;align-items:stretch;gap:16px}.instrument-top p{max-width:none}.sound-controls{justify-content:space-between;gap:10px;max-width:none}.volume-control input{width:130px}.keyboard-toolbar{flex-wrap:wrap;gap:12px}.keyboard-toolbar .checkbox{font-size:10px}.pedal-button{padding:6px 10px;font-size:10px}.piano-keyboard{min-width:580px;height:190px}.keyboard-help{margin-bottom:17px;font-size:9px}.instrument-bottom{gap:11px}.instrument-bottom label,.instrument-bottom .button{font-size:10px}.session-time{font-size:11px}.input-options{grid-template-columns:1fr;gap:15px;margin-top:20px}.input-options>section{padding:22px}.exercise-select{grid-template-columns:1fr;gap:0}.exercise-select label{font-size:11px}.exercise-select select{font-size:12px}.instrument-panel>.actions{gap:10px}.instrument-panel>.actions .button{padding:9px 13px;font-size:11px}.instrument-panel>.actions .muted{flex-basis:100%;font-size:10px}.result-panel{grid-template-columns:1fr;gap:15px;padding:23px}.result-score{font-size:35px}.ear-task{padding:15px 0 25px}.ear-task h3{font-size:22px}.ear-task p{font-size:12px}.ear-options{gap:7px}.ear-options .button{padding:9px 13px;font-size:11px}.rhythm-task{padding:15px 5px}.quiz-panel{padding:24px}.quiz-heading{flex-direction:column;align-items:stretch;gap:20px}.quiz-heading h2{font-size:23px}.quiz-heading label{font-size:11px}.quiz-question{font-size:20px}.quiz-choices button{gap:12px;padding:15px;font-size:13px}.quiz-progress span{font-size:11px}.record-area{gap:8px;padding:15px}.record-area .button{padding:10px;font-size:11px}.file-button{font-size:11px}.submission-card{padding:22px}.review-card{gap:25px}.studio-tabs{margin-bottom:23px}.school-settings h2{font-size:22px}.prose{font-size:14px}.source summary{font-size:13px}.footer{padding:20px;font-size:10px}.footer div{gap:13px}.toast{width:max-content;max-width:calc(100vw - 30px);font-size:12px;bottom:18px;left:50%}.quiet .welcome h1{font-size:34px}}@media (width<=390px){.main{padding:20px 15px 35px}.topbar{padding:0 13px}.topbar-left>span{font-size:10px}.welcome{padding:25px 22px}.welcome h1{font-size:34px}.course-grid{grid-template-columns:1fr}.course-tile-top{flex-direction:row}.course-tile{min-height:210px}.slots-grid{grid-template-columns:1fr}.course-hero{padding:25px}.course-hero h1{font-size:30px}.stats-strip>div{padding:0 11px}.stats-strip span{font-size:9px}.piece-list{grid-template-columns:1fr}.piece-list button{align-items:center;gap:10px;display:flex}.piece-list b,.piece-list span{margin:0}.ear-options{flex-wrap:wrap}.practice-tabs button{padding:9px 11px}.quiz-panel{padding:20px}.topbar-right .profile-pill>span:last-child{text-overflow:ellipsis;max-width:70px;overflow:hidden}.lesson-sheet{padding:20px}.module-list summary small{display:none}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{.sidebar,.topbar,.footer,.toast,.lesson-sidebar,.button,.back-link{display:none!important}.workspace{width:100%;margin:0}.main{padding:0}.lesson-layout{display:block}.lesson-sheet{border:0}.lesson-sheet details{display:block}.lesson-sheet details>*{display:block!important}body{color:#000;background:#fff}.score-sheet{border:0}.library-layout{display:block}.piece-list{display:none}}.lesson-video{margin-top:28px}.lesson-video video{background:#20334e;border-radius:10px;width:100%;max-height:480px}.instrument-bottom label input[type=number]:not([type=range]){flex-shrink:0;width:66px}.instrument-bottom label{white-space:nowrap}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.main:focus-visible{outline:2px solid var(--blue);outline-offset:-4px}.sidebar{background:#f3f2f8;border-right-color:#e6e4ef;padding-top:27px}.brand{color:var(--ink);letter-spacing:-.9px;margin-bottom:28px}.brand-mark{color:var(--ink);background:0 0;border-radius:0;width:32px;height:42px}.brand-mark svg{width:30px;height:30px}.brand small{letter-spacing:0;font-size:9px}.nav-item{color:#595b73;border-radius:7px;margin-bottom:3px;padding:10px 13px}.nav-item:hover{background:#eae7f3}.nav-item.active{color:#303c93;background:#dfdcf0}.sidebar-bottom{padding-top:22px}.social-note{margin-bottom:20px}.topbar{background:var(--back);height:74px}.topbar-assistant{color:var(--ink);align-items:center;gap:8px;font-size:12px;display:inline-flex}.topbar-right{gap:21px}.avatar{color:#35408b;background:#e7e4f4}.button{color:var(--ink);border-color:#cecede;border-radius:7px}.button:hover:not(:disabled){background:#eeedf8;border-color:#9899c2}.button.primary:hover:not(:disabled){background:#303c96;border-color:#303c96}.page-title h1{letter-spacing:-1px;font-family:Georgia,Times New Roman,serif;font-size:clamp(32px,3.1vw,43px);font-weight:400;line-height:1.16}.panel{border-radius:11px}.badge{color:#5b5685;background:#eeedf6}.notice{background:#f0eff8;border-color:#9290bb}.notice.error{background:#fff0f0;border-color:#bd5962}.footer{padding-bottom:max(24px, env(safe-area-inset-bottom));font-size:12px}.tabs button.selected{background:var(--navy);color:#fff}.course-grid{border-top:1px solid var(--line);gap:0}.course-tile{border:0;border-bottom:1px solid var(--line);background:0 0;border-radius:0;padding:27px 26px}.course-tile:hover{box-shadow:none;background:#f5f3fb;transform:none}.course-tile h3{font-family:Georgia,Times New Roman,serif;font-size:25px;font-weight:400}.course-tile-top .course-symbol{background:0 0}.course-hero{background:#eeebf7;border-radius:14px 14px 55px}.course-hero.children{background:#f5e9ed}.course-hero.teachers{background:#e8ebf7}.course-hero.social{background:#e8f1ec}.course-hero h1{font-family:Georgia,Times New Roman,serif;font-weight:400}.studio-welcome.welcome{background:0 0;border:0;border-radius:0;grid-template-columns:minmax(0,1.25fr) minmax(280px,.85fr);gap:34px;min-height:410px;padding:0;display:grid;overflow:visible}.studio-welcome .welcome-copy{padding:36px 0 26px}.welcome-location{color:#6e6788;margin-bottom:26px;font-size:14px;display:block}.studio-welcome h1{color:var(--ink);letter-spacing:-1.7px;max-width:650px;margin-bottom:24px;font-size:clamp(36px,3.8vw,58px);font-weight:400;line-height:1.08}.studio-welcome .welcome-copy>p{color:#626378;max-width:470px;margin-bottom:29px;font-size:16px;line-height:1.75}.studio-welcome .welcome-foot{color:#636777;margin-top:24px;font-size:12px}.first-phrase{color:var(--ink);background:#e9e5f4;border-radius:16px 16px 65px;flex-direction:column;min-width:0;padding:27px 25px 0;display:flex;position:relative;overflow:hidden}.first-phrase:hover{background:#e4def1;text-decoration:none}.first-phrase:focus-visible{outline-offset:6px}.phrase-caption{color:#645e7e;justify-content:space-between;align-items:center;gap:12px;font-size:12px;display:flex}.phrase-play{background:var(--ink);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:43px;height:43px;display:flex}.first-phrase:hover .phrase-play{background:var(--blue)}.phrase-score{margin:24px -5px 21px}.phrase-staff{height:105px;position:relative}.phrase-staff>i{border-top:1px solid #a49cb8;position:absolute;top:25%;left:0;right:0}.phrase-staff>i:nth-child(2){top:35%}.phrase-staff>i:nth-child(3){top:45%}.phrase-staff>i:nth-child(4){top:55%}.phrase-staff>i:nth-child(5){top:65%}.phrase-staff .clef{font-family:Segoe UI Symbol,serif;font-size:100px;font-weight:400;position:absolute;top:-24%;left:1%}.phrase-note{background:var(--ink);border-radius:50%;width:17px;height:12px;position:absolute;transform:rotate(-18deg)}.phrase-note:after{content:"";background:var(--ink);transform-origin:bottom;width:1.5px;height:37px;position:absolute;bottom:5px;right:0;transform:rotate(18deg)}.phrase-solfege{color:#6c647e;justify-content:space-around;margin-top:-9px;padding-left:22%;padding-right:6%;font-size:12px;display:flex}.phrase-bottom{padding-bottom:19px}.phrase-bottom strong{letter-spacing:-.5px;font-family:Georgia,Times New Roman,serif;font-size:26px;font-weight:400;display:block}.phrase-bottom p{color:#645e77;margin:6px 0 0;font-size:12px}.phrase-keys{background:#282d45;gap:3px;height:94px;margin:auto -25px 0;padding:7px 13px 0;display:flex}.phrase-keys>span{background:#fff;border-radius:0 0 3px 3px;flex:1;display:block;position:relative}.phrase-keys i{z-index:1;background:#252b43;border-radius:0 0 3px 3px;width:58%;height:57%;position:absolute;top:0;right:-35%;box-shadow:inset 0 -5px #3f435c}.home-route-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);justify-content:space-between;gap:18px;margin:35px 0 52px;padding:19px 0;display:flex}.home-route-strip span{color:#62637a;align-items:center;gap:10px;font-size:12px;display:flex}.home-route-strip svg{color:#80729e}.home-section-title{justify-content:space-between;align-items:end;gap:40px;margin-bottom:25px;display:flex}.home-section-title h2,.home-repertoire h2{letter-spacing:-.8px;margin-bottom:0;font-family:Georgia,Times New Roman,serif;font-size:37px;font-weight:400;line-height:1.12}.home-section-title p{color:var(--muted);max-width:350px;margin-bottom:3px;font-size:14px}.home-pathways{grid-template-columns:1fr 1fr 1fr;gap:18px;display:grid}.pathway{color:var(--ink);border-radius:11px;flex-direction:column;align-items:flex-start;min-width:0;padding:26px 23px;display:flex}.pathway:hover{text-decoration:none;box-shadow:inset 0 0 0 1px #b6b0ce}.pathway-adults{background:#f0edf8}.pathway-children{background:#f8ecef}.pathway-teachers{background:#eaf0ee}.pathway-icon{color:#70638e;margin:0 0 25px;display:flex}.pathway-children .pathway-icon{color:#a66f84}.pathway-teachers .pathway-icon{color:#577d70}.pathway h3{letter-spacing:-.6px;margin-bottom:13px;font-size:22px}.pathway p{color:#666477;margin-bottom:23px;font-size:13px;line-height:1.7}.pathway-link{border-bottom:1px solid #9f97b6;font-size:12px;font-weight:600;display:inline-block}.home-repertoire{grid-template-columns:1fr 1.4fr;align-items:center;gap:38px;margin:58px 0 45px;display:grid}.home-repertoire h2{margin-bottom:22px;font-size:37px}.home-repertoire p{color:var(--muted);max-width:370px;font-size:14px}.repertoire-symbol{color:#9e7a9f;margin-bottom:20px;font-size:43px;line-height:1;display:block}.repertoire-shelf{align-items:flex-end;min-width:0;padding-top:16px;display:flex}.shelf-item{min-width:0;color:var(--ink);border-radius:4px 10px 10px 4px;flex-direction:column;flex:1;align-items:flex-start;height:284px;padding:24px 18px;display:flex;position:relative;box-shadow:inset 5px 0 #0000000c}.shelf-item:hover{text-decoration:none;transform:translateY(-5px)}.shelf-0{background:#dce5e0}.shelf-1{background:#e7dcea;height:308px}.shelf-2{background:#dce1f1;height:265px}.shelf-item>span{color:#5d5a6f;margin-bottom:25px;font-size:9px;line-height:1.6}.shelf-item h3{overflow-wrap:anywhere;font-family:Georgia,Times New Roman,serif;font-size:25px;font-weight:400}.shelf-item p{color:#605d6e;font-size:11px}.shelf-item svg{color:#5c5b7a;margin-top:auto}.home-social{background:#edf4ef;border-radius:10px;align-items:center;gap:24px;padding:27px 30px;display:flex}.home-social>svg{color:#48806b}.home-social h2{margin-bottom:9px;font-size:23px}.home-social p{color:#5e7068;max-width:580px;margin:0;font-size:13px}.home-social .button{background:0 0;border-color:#b6cdc0;flex-shrink:0;margin-left:auto}.studio-about{grid-template-columns:1fr 2fr;gap:35px;margin:40px 0;display:grid}.studio-about h2{font-family:Georgia,Times New Roman,serif;font-size:32px;font-weight:400}.studio-about p{max-width:650px}.trial-lab{border-top:1px solid var(--line);margin:40px 0;padding-top:30px}.trial-lab-intro{align-items:flex-start;gap:20px;margin-bottom:25px;display:flex}.trial-lab-icon{background:#e9e5f5;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;display:flex}.trial-lab-intro h2{margin-bottom:10px;font-size:28px}.trial-lab-intro p{max-width:680px;color:var(--muted)}.trial-next{border-top:1px solid var(--line);align-items:center;gap:24px;padding:24px 0;display:flex}.trial-next p{max-width:650px;color:var(--muted);margin:0;font-size:14px}.trial-next .button{flex-shrink:0;margin-left:auto}.copilot{min-width:0;margin:30px 0}.copilot-head{background:#eeebf8;border-radius:14px 14px 0 0;align-items:center;gap:17px;padding:25px 27px;display:flex}.copilot-head h2{margin:0 0 6px;font-size:23px}.copilot-head p{color:#69627d;margin:0;font-size:13px}.copilot-head>.badge{color:#585078;background:#dfd9f2;flex-shrink:0;margin-left:auto}.copilot-mark{color:#5a4a85;background:#ddd5f0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.copilot-access{background:#fff;border:1px solid #e5dfef;border-top:0;border-radius:0 0 14px 14px;padding:28px}.copilot-access p{max-width:700px;color:var(--muted)}.copilot-conversation{border-left:1px solid var(--line);border-right:1px solid var(--line);overscroll-behavior:contain;background:#fff;max-height:570px;padding:25px 28px;overflow-y:auto}.copilot-empty{text-align:center;color:#706980;padding:28px}.copilot-empty svg{color:#9b8bb1;margin-bottom:14px}.copilot-empty p{margin:0;font-size:15px}.copilot-message{border-radius:10px;max-width:94%;margin:0 0 20px;padding:18px 21px;font-size:15px;line-height:1.75}.copilot-message strong{color:#686178;margin-bottom:8px;font-size:11px;display:block}.from-user{background:#f0edf8;margin-left:auto}.from-assistant{background:#fff;border:1px solid #e7e4ed;margin-right:auto}.copilot-prompts{border-inline:1px solid var(--line);background:#fff;flex-wrap:wrap;gap:8px;padding:0 28px 20px;display:flex}.copilot-prompts button{color:#66587f;background:#fff;border:1px solid #ddd6e9;border-radius:20px;padding:8px 13px;font-size:12px}.copilot-prompts button:hover{background:#f1edf8}.copilot-form{border:1px solid var(--line);background:#fff;border-top:0;border-radius:0 0 14px 14px;padding:5px 28px 25px}.copilot-form>label{color:#69627d;margin-bottom:8px;font-size:12px}.copilot-compose{align-items:flex-end;gap:12px;display:flex}.copilot-compose .button{flex-shrink:0}.copilot-thinking{color:var(--muted);font-size:13px}.repertoire-intro{background:#eae5f2;border-radius:13px;align-items:center;gap:24px;margin-bottom:26px;padding:26px 30px;display:flex}.repertoire-intro>svg{color:#86729e}.repertoire-intro strong{font-size:21px;font-weight:600}.repertoire-intro p{color:#686078;max-width:650px;margin:7px 0 0;font-size:13px}.repertoire-intro .button{flex-shrink:0;margin-left:auto}.repertoire-controls{grid-template-columns:2fr 1fr 1fr;align-items:end;gap:18px;display:grid}.repertoire-controls .search{margin-bottom:18px}.repertoire-controls>label{font-size:12px}.repertoire-list{border-top:1px solid var(--line)}.piece-row{border-bottom:1px solid var(--line);color:var(--ink);content-visibility:auto;contain-intrinsic-size:auto 138px;grid-template-columns:55px minmax(0,1fr) 155px 25px;align-items:center;gap:22px;padding:24px 8px;display:grid}.piece-row:hover{background:#f3f0f9;text-decoration:none}.piece-monogram{color:#887395;background:#ede8f4;border-radius:2px 6px 6px 2px;justify-content:center;align-items:center;width:50px;height:63px;font-family:Georgia,Times New Roman,serif;font-size:31px;font-weight:400;display:flex;box-shadow:inset 4px 0 #ddd4e7}.piece-row:nth-child(3n+2) .piece-monogram{color:#739384;background:#e5eee9;box-shadow:inset 4px 0 #cfded6}.piece-row:nth-child(3n) .piece-monogram{color:#a67c8e;background:#f3e7eb;box-shadow:inset 4px 0 #e7d5dd}.piece-name{min-width:0}.piece-name h2{letter-spacing:-.4px;margin:4px 0 6px;font-family:Georgia,Times New Roman,serif;font-size:25px;font-weight:400}.piece-name p{color:var(--muted);margin:0;font-size:12px}.piece-name>small{font-size:12px}.piece-meta{flex-direction:column;align-items:flex-start;gap:6px;font-size:12px;display:flex}.piece-row-icon{color:#9a8aaa}.piece-header{border-bottom:1px solid var(--line);margin-bottom:35px;padding:26px 0 35px}.piece-composer{color:#7e648e;margin-bottom:18px;font-size:18px;display:block}.piece-header h1{max-width:850px;margin-bottom:25px;font-family:Georgia,Times New Roman,serif;font-size:clamp(35px,4.1vw,54px);font-weight:400}.piece-tags{color:var(--muted);align-items:center;gap:25px;font-size:13px;display:flex}.piece-layout{grid-template-columns:minmax(0,1fr) 300px;gap:45px;display:grid}.piece-analysis{max-width:800px;font-size:16px}.piece-analysis section{margin-top:32px}.piece-analysis p,.piece-analysis li{line-height:1.8}.piece-focus{margin:0;padding:0;list-style:none}.piece-focus li{align-items:flex-start;gap:10px;margin-bottom:12px;display:flex}.piece-focus svg{color:#6c8b79;margin-top:5px}.piece-practice{margin:0;padding:0;list-style:none}.piece-practice li{gap:18px;margin-bottom:23px;display:flex}.piece-practice li>span{color:#74618a;background:#eeebf6;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:31px;height:31px;font-size:13px;display:flex}.piece-practice p{margin:0}.piece-ready{background:#edf4ef;border-radius:12px;padding:25px}.piece-ready p{margin:0}.piece-aside{background:#f2eff8;border-radius:12px;align-self:start;padding:27px}.piece-aside h2{font-size:22px}.piece-aside p{color:#696477;font-size:13px;line-height:1.8}.piece-aside .button{width:100%;margin-bottom:12px}.piece-aside .text-link{margin:8px 0}.piece-aside h3{font-size:16px}.trial-price-banner{background:#eaf2ed;border-radius:12px;align-items:center;gap:25px;margin-bottom:32px;padding:25px 30px;display:flex}.trial-price{color:#41725f;flex-shrink:0;font-family:Georgia,Times New Roman,serif;font-size:50px;line-height:1}.trial-price-banner h2{margin-bottom:8px;font-size:22px}.trial-price-banner p{color:#64736c;max-width:600px;margin:0;font-size:13px}.trial-price-banner .button{flex-shrink:0;margin-left:auto}.billing-controls{grid-template-columns:1.3fr 1.15fr .65fr;align-items:start;gap:24px;display:grid}.billing-controls label,.billing-period>span{font-size:12px;font-weight:600}.billing-period>span{margin-bottom:7px;display:block}.billing-period .tabs{flex-wrap:nowrap;margin:0;padding:0;display:flex}.billing-period .tabs button{white-space:nowrap;padding:12px 13px;font-size:12px}.billing-currency-note{color:var(--muted);max-width:800px;font-size:12px}.billing-consent{border-top:1px solid var(--line);padding:22px 0 12px}.billing-consent label{color:#686278;max-width:900px;font-size:12px}.curated-plans{grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:19px;margin:10px 0 20px;display:grid}.price-plan{background:#fff;border:1px solid #dbd8e7;border-radius:13px;flex-direction:column;min-width:0;padding:28px 25px;display:flex}.price-plan.level-plus{background:#ece8f7;border-color:#bcb1dc}.price-plan.level-studio{background:#f6edf1;border-color:#e1cdd6}.price-plan-heading{color:#756583;justify-content:space-between;align-items:center;gap:10px;margin-bottom:22px;font-size:12px;display:flex}.price-plan h2{margin-bottom:10px;font-family:Georgia,Times New Roman,serif;font-size:32px;font-weight:400}.plan-subject{color:var(--muted);min-height:40px;margin-bottom:20px;font-size:12px}.plan-price{font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.plan-price strong{letter-spacing:-1.2px;font-size:34px;line-height:1.2}.plan-price>span{color:var(--muted);font-size:12px}.plan-price-alternatives{color:#6e657c;font-variant-numeric:tabular-nums;margin:10px 0 25px;font-size:11px}.plan-features{border-top:1px solid #ddd6e7;margin:0 0 24px;padding:20px 0 0;font-size:12px;list-style:none}.plan-features li{align-items:flex-start;gap:8px;margin-bottom:13px;line-height:1.65;display:flex}.plan-features svg{color:#7c6b92;margin-top:2px}.plan-features .feature-ai{color:#57427c;font-weight:600}.plan-duration{color:var(--muted);margin-top:auto;margin-bottom:18px;font-size:11px}.plan-consent-hint{text-align:center;margin-top:8px;font-size:10px}.billing-history{border-top:1px solid var(--line);margin-top:35px;padding-top:25px}.billing-history h2{margin-top:25px}.social-banner{background:#eaf3ed}.quiet .phrase-score,.quiet .phrase-keys,.quiet .repertoire-symbol,.quiet .home-route-strip,.quiet .piece-monogram{display:none}.quiet .first-phrase{justify-content:center;min-height:180px}.quiet .piece-row{grid-template-columns:minmax(0,1fr) 155px 25px}@media (width>=1500px){.main{max-width:1450px;padding-left:56px;padding-right:56px}.studio-welcome.welcome{grid-template-columns:1.3fr .8fr;gap:55px}.studio-welcome h1{font-size:59px}.first-phrase{max-width:440px}}@media (width<=1180px){.studio-welcome.welcome{grid-template-columns:minmax(0,1fr) minmax(240px,.82fr);gap:25px}.studio-welcome h1{font-size:42px}.first-phrase{padding:22px 20px 0}.phrase-keys{margin-inline:-20px}.home-pathways{gap:12px}.pathway{padding:23px 18px}.pathway h3{font-size:20px}.home-repertoire{grid-template-columns:.9fr 1.25fr;gap:25px}.shelf-item{padding:21px 13px}.shelf-item h3{font-size:22px}.home-route-strip{gap:12px}.home-route-strip span{font-size:11px}.home-social{padding:25px}.home-social .button{max-width:160px}.repertoire-intro{flex-wrap:wrap}.repertoire-intro .button{margin-left:64px}.piece-layout{grid-template-columns:minmax(0,1fr) 255px;gap:30px}.billing-controls{grid-template-columns:1fr 1fr}.billing-controls>label:last-child{grid-column:1/-1;max-width:220px}.curated-plans{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.price-plan{padding:24px 19px}.trial-price-banner{flex-wrap:wrap}.trial-price-banner .button{margin-left:82px}.plan-price strong{font-size:30px}}@media (width<=900px){.studio-welcome.welcome{grid-template-columns:1fr 1fr;gap:25px}.studio-welcome h1{font-size:42px}.studio-welcome .welcome-copy{padding-top:15px}.welcome-location{margin-bottom:20px}.home-section-title h2,.home-repertoire h2{font-size:34px}.home-section-title p{max-width:280px}.home-social{flex-wrap:wrap}.home-social .button{max-width:none;margin-left:54px}.piece-row{grid-template-columns:50px minmax(0,1fr) 140px;gap:18px}.piece-row-icon{display:none}.piece-layout{grid-template-columns:1fr}.piece-aside{max-width:100%;display:block}.piece-aside .button{max-width:310px;margin-right:12px}.repertoire-controls{grid-template-columns:1fr 1fr}.repertoire-controls .search{grid-column:1/-1}.billing-controls{gap:15px}.topbar-assistant span{display:none}.topbar-assistant{background:#efedf6;border-radius:50%;padding:9px}.sidebar{overscroll-behavior:contain}}@media (width<=650px){.studio-welcome.welcome{flex-direction:column;gap:24px;padding:0;display:flex}.studio-welcome .welcome-copy{padding:5px 0 0}.studio-welcome h1{letter-spacing:-1.5px;font-size:42px}.studio-welcome .welcome-copy>p{max-width:100%;font-size:15px}.studio-welcome .welcome-foot{margin-top:19px;font-size:11px}.welcome-location{margin-bottom:18px;font-size:12px}.first-phrase{border-radius:12px 12px 40px;min-height:290px;padding:21px 23px 0}.phrase-score{margin:8px 0 11px}.phrase-staff{max-width:390px;height:86px;margin:auto}.phrase-staff .clef{font-size:82px}.phrase-solfege{max-width:390px;margin:0 auto}.phrase-caption{font-size:11px}.phrase-bottom strong{font-size:23px}.phrase-bottom{padding-bottom:18px}.phrase-keys{height:58px;margin-inline:-23px}.home-route-strip{flex-direction:column;gap:13px;margin:27px 0 35px;padding:17px 0;display:flex}.home-route-strip span{font-size:12px}.home-section-title{margin-bottom:23px;display:block}.home-section-title h2{margin-bottom:16px;font-size:33px}.home-section-title p{max-width:100%;font-size:13px}.home-pathways{flex-direction:column;gap:12px;display:flex}.pathway{flex-direction:row;gap:18px;padding:23px 21px;display:flex}.pathway-icon{margin:4px 0 0}.pathway-icon svg{width:26px}.pathway h3{font-size:22px}.pathway p{margin-bottom:14px}.home-repertoire{margin:38px 0 30px;display:block}.home-repertoire h2{margin-bottom:18px;font-size:34px}.repertoire-symbol{display:none}.home-repertoire p{font-size:13px}.repertoire-shelf{margin-top:25px}.shelf-item{height:250px;padding:21px 12px}.shelf-1{height:272px}.shelf-2{height:235px}.shelf-item h3{font-size:22px}.shelf-item>span{margin-bottom:17px;font-size:9px}.shelf-item p{font-size:10px}.home-social{gap:14px;padding:23px 20px}.home-social>svg{width:24px}.home-social>div{flex:1;min-width:0}.home-social h2{font-size:21px}.home-social p{font-size:12px}.home-social .button{margin-left:38px}.studio-about{margin:30px 0;display:block}.studio-about h2{font-size:28px}.topbar{height:67px}.topbar-right{gap:12px}.page-title h1{font-size:33px}.course-tile{padding:25px 16px}.course-tile h3{font-size:25px}.trial-lab-intro{gap:14px}.trial-lab-icon{width:43px;height:43px}.trial-lab-intro h2{font-size:23px}.trial-lab-intro p{font-size:13px}.trial-next{display:block}.trial-next .button{margin:18px 0 0}.copilot-head{flex-wrap:wrap;gap:11px;padding:21px 18px}.copilot-head>div{flex:1;min-width:0}.copilot-head h2{font-size:20px}.copilot-head p{font-size:12px}.copilot-head>.badge{margin:0 0 0 48px}.copilot-mark{width:38px;height:38px}.copilot-access{padding:23px 20px}.copilot-conversation{max-height:450px;padding:20px 16px}.copilot-empty{padding:20px 8px}.copilot-empty p{font-size:14px}.copilot-message{max-width:98%;padding:14px 16px;font-size:14px}.copilot-prompts{gap:7px;padding:0 16px 20px}.copilot-prompts button{text-align:left;font-size:11px}.copilot-form{padding:0 16px 20px}.copilot-compose{flex-direction:column;align-items:stretch;gap:10px}.copilot-form textarea{font-size:16px}.copilot-compose .button{align-self:flex-end}.repertoire-intro{gap:15px;padding:22px}.repertoire-intro>svg{width:30px}.repertoire-intro>div{flex:1;min-width:0}.repertoire-intro strong{font-size:20px}.repertoire-intro p{font-size:12px}.repertoire-intro .button{margin-left:45px;font-size:12px}.repertoire-controls{gap:0 13px}.repertoire-controls .search{margin-bottom:15px}.repertoire-controls select{padding:10px;font-size:13px}.piece-row{grid-template-columns:39px minmax(0,1fr);gap:13px;padding:22px 0}.piece-monogram{align-self:start;width:36px;height:49px;font-size:25px}.piece-name h2{margin-bottom:8px;font-size:24px}.piece-name p{font-size:12px}.piece-meta{flex-flow:wrap;grid-column:2;align-items:center;gap:8px 13px}.piece-meta>small{font-size:10px}.piece-meta .badge{font-size:9px}.piece-header{margin-bottom:25px;padding-top:10px}.piece-composer{margin-bottom:15px;font-size:16px}.piece-header h1{font-size:37px}.piece-tags{flex-wrap:wrap;gap:12px;font-size:12px}.piece-analysis{font-size:15px}.piece-analysis h2{font-size:23px}.piece-practice li{gap:13px}.piece-ready{padding:22px}.piece-aside{padding:23px}.piece-aside .button{max-width:none}.trial-price-banner{gap:17px;padding:23px 20px}.trial-price{font-size:43px}.trial-price-banner>div{flex:1;min-width:0}.trial-price-banner h2{font-size:21px}.trial-price-banner p{font-size:12px}.trial-price-banner .button{margin-left:66px}.billing-controls{display:block}.billing-controls>label,.billing-period{margin-bottom:18px}.billing-controls>label:last-child{max-width:none}.billing-period .tabs button{flex:1}.curated-plans{flex-direction:column;gap:18px;display:flex}.price-plan{padding:27px 25px}.price-plan h2{font-size:33px}.plan-price strong{font-size:37px}.plan-subject{min-height:0;margin-bottom:18px}.plan-features{font-size:13px}.plan-duration,.plan-price-alternatives{font-size:12px}.price-plan-heading{margin-bottom:19px}.plan-consent-hint{font-size:11px}.quiet .piece-row{grid-template-columns:1fr}.quiet .piece-meta{grid-column:1}}@media (prefers-reduced-motion:reduce){.shelf-item:hover{transform:none}}@media print{.copilot,.trial-lab,.piece-aside{display:none}.piece-layout{display:block}}.phrase-note.ledger:before{content:"";background:#766c8c;height:1px;position:absolute;top:5px;left:-5px;right:-5px;transform:rotate(18deg)}.berd-brand{color:#14344b;flex-direction:column;flex-shrink:0;align-items:flex-start;line-height:1;display:inline-flex}.berd-brand>svg{width:130px;height:50px;display:block}.berd-brand .berd-brand-bird{color:#337ea8}.berd-brand-tagline{letter-spacing:.01em;white-space:nowrap;margin:6px 0 0 4px;font:11px/1.3 Trebuchet MS,Segoe UI,sans-serif}.berd-landing{--berd-navy:#14344b;--berd-blue:#276b93;--berd-sky:#dceffb;--berd-ice:#f3f9fd;--berd-muted:#526c7d;color:var(--berd-navy);isolation:isolate;background:#fff;width:100%;min-width:0;font:16px/1.65 Trebuchet MS,Segoe UI,sans-serif}.berd-landing *,.berd-landing :before,.berd-landing :after{box-sizing:border-box}.berd-landing a{color:inherit}.berd-landing h1,.berd-landing h2,.berd-landing h3,.berd-landing p{margin:0}.berd-landing h1,.berd-landing h2,.berd-landing h3{color:var(--berd-navy);text-wrap:balance}.berd-landing h1,.berd-landing h2{letter-spacing:-.055em;font-family:Georgia,Times New Roman,serif;font-weight:400}.berd-landing h2{font-size:clamp(38px,4vw,56px);line-height:1.14}.berd-landing button,.berd-landing summary,.berd-landing a{-webkit-tap-highlight-color:transparent}.berd-landing button,.berd-landing a{touch-action:manipulation}.berd-landing button{font-family:inherit}.berd-landing :where(a,button,summary):focus-visible{outline-offset:5px;outline:3px solid #196a9e}.berd-landing #berd-main:focus{outline:none}.berd-landing [id]{scroll-margin-top:28px}.berd-landing .berd-wrap{width:min(1220px,100% - 96px);margin-inline:auto}.berd-landing .berd-skip{z-index:120;border:1px solid var(--berd-navy);background:#fff;border-radius:5px;padding:12px 20px;position:fixed;top:12px;left:12px;transform:translateY(-180%)}.berd-landing .berd-skip:focus{transform:translateY(0)}.berd-landing .berd-header{justify-content:space-between;align-items:center;gap:38px;min-height:116px;padding-block:20px;display:flex}.berd-landing .berd-logo-link{display:inline-flex}.berd-landing .berd-logo-link:hover{text-decoration:none}.berd-landing .berd-desktop-nav{gap:32px;margin-left:auto;display:flex}.berd-landing .berd-desktop-nav a{padding:8px 0;font-size:14px}.berd-landing .berd-header-actions{align-items:center;gap:16px;display:flex}.berd-landing .berd-login{border:1px solid #a8c3d4;border-radius:7px;justify-content:center;align-items:center;min-height:44px;padding:9px 25px;font-size:14px;display:inline-flex}.berd-landing .berd-login:hover{background:var(--berd-ice);text-decoration:none}.berd-landing .berd-mobile-nav{display:none}.berd-landing .berd-hero{grid-template-columns:1.04fr 1fr;align-items:center;gap:58px;min-height:615px;padding-block:58px 86px;display:grid}.berd-landing .berd-hero-copy{z-index:2;position:relative}.berd-landing .berd-introduction{color:var(--berd-muted);margin-bottom:23px;font-size:15px}.berd-landing .berd-hero h1{letter-spacing:-.065em;font-size:clamp(59px,5.8vw,82px);line-height:1.04}.berd-landing .berd-hero-description{max-width:435px;color:var(--berd-muted);text-wrap:pretty;margin:28px 0 31px;font-size:17px;line-height:1.75}.berd-landing .berd-button{text-align:center;border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:22px;min-height:53px;padding:15px 24px;font-size:14px;font-weight:600;line-height:1.45;text-decoration:none;transition:background-color .15s,border-color .15s;display:inline-flex}.berd-landing .berd-button-primary{color:#fff;background:var(--berd-navy)}.berd-landing .berd-button-primary:hover{background:#24516e}.berd-landing .berd-button-light{color:var(--berd-navy);background:#fff}.berd-landing .berd-button-light:hover{background:#edf7fd;border-color:#99bed5}.berd-landing .berd-trial-note{color:var(--berd-muted);align-items:center;gap:8px;margin-top:16px;font-size:12px;display:flex}.berd-landing .berd-hero-visual{isolation:isolate;min-width:0;padding:35px 0 24px;position:relative}.berd-landing .berd-hero-orbit{z-index:-1;background:var(--berd-sky);border-radius:48% 47% 45% 48%;position:absolute;inset:-24px -12px -19px -14px;transform:rotate(-3deg)}.berd-landing .berd-flight{color:#4e8eaf;width:160px;height:94px;position:absolute;top:-72px;right:8px}.berd-landing .berd-first-phrase{background:#fff;border:1px solid #b8d6e6;border-radius:18px 18px 22px 22px;padding:25px 24px 17px;position:relative;transform:rotate(-5deg);box-shadow:0 13px 0 -2px #9abed3}.berd-landing .berd-phrase-heading{justify-content:space-between;align-items:center;gap:15px;font-size:14px;display:flex}.berd-landing .berd-phrase-heading svg{color:var(--berd-blue)}.berd-landing .berd-note-path{justify-content:space-around;align-items:flex-end;max-width:315px;height:110px;margin:8px auto 15px;padding-top:35px;display:flex}.berd-landing .berd-note-path>span{color:var(--berd-blue);transform:translateY(calc(-1 * var(--note-lift)));flex-direction:column;align-items:center;gap:12px;font-size:12px;display:flex}.berd-landing .berd-note-path i{background:var(--berd-navy);border-radius:50%;width:15px;height:11px;position:relative;transform:rotate(-20deg)}.berd-landing .berd-note-path i:after{content:"";background:var(--berd-navy);transform-origin:bottom;width:2px;height:29px;position:absolute;bottom:4px;right:0;transform:rotate(20deg)}.berd-landing .berd-mini-piano{border:6px solid var(--berd-navy);background:var(--berd-navy);border-top-width:9px;border-radius:6px 6px 9px 9px;height:155px;position:relative}.berd-landing .berd-white-keys{grid-template-columns:repeat(8,minmax(0,1fr));gap:2px;height:100%;display:grid}.berd-landing .berd-white-keys button{color:var(--berd-muted);background:#fff;border:0;border-bottom:5px solid #dbe4e9;border-radius:0 0 4px 4px;justify-content:center;align-items:flex-end;padding:0 0 10px;font-size:10px;display:flex;position:relative}.berd-landing .berd-white-keys button:hover{background:#edf7fc}.berd-landing .berd-white-keys button.is-playing{background:#b2dbf1;border-bottom-color:#86b8d2}.berd-landing .berd-black-key{z-index:2;background:#14344b;border:0;border-bottom:5px solid #0a2639;border-radius:0 0 4px 4px;width:8%;height:61%;padding:0;position:absolute;top:-2px;transform:translate(-50%)}.berd-landing .berd-black-key:hover{background:#315b75}.berd-landing .berd-black-key.is-playing{background:#468eb7;border-bottom-color:#286386}.berd-landing .berd-mini-piano button:focus-visible{outline-offset:-5px;z-index:3;outline-color:#1687c6}.berd-landing .berd-phrase-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 14px;padding-top:14px;display:flex}.berd-landing .berd-play-phrase{min-height:40px;color:var(--berd-navy);text-align:left;background:0 0;border:0;align-items:center;gap:8px;padding:6px 0;font-size:12px;font-weight:600;display:inline-flex}.berd-landing .berd-play-phrase:hover{color:var(--berd-blue)}.berd-landing .berd-phrase-controls>span{color:var(--berd-muted);font-size:10px}.berd-landing .berd-audio-credit{color:var(--berd-muted);margin-top:6px;font-size:9px}.berd-landing .berd-audio-credit a{text-underline-offset:2px;text-decoration:underline}.berd-landing .berd-sound-error{color:#903c39;margin-top:8px;font-size:12px}.berd-landing .berd-entrance-note{color:var(--berd-muted);border-block:1px solid #dce8f0;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px 28px;padding-block:24px;font-size:12px;display:flex}.berd-landing .berd-entrance-note p{color:var(--berd-navy)}.berd-landing .berd-programmes{padding-block:92px 86px}.berd-landing .berd-section-heading{justify-content:space-between;align-items:flex-end;gap:50px;margin-bottom:48px;display:flex}.berd-landing .berd-section-heading>p,.berd-landing .berd-section-heading>div{max-width:440px;color:var(--berd-muted);font-size:15px}.berd-landing .berd-section-heading>div>p{margin-bottom:17px}.berd-landing .berd-pathways{flex-direction:column;gap:13px;display:flex}.berd-landing .berd-pathway{background:var(--berd-ice);border-radius:7px;grid-template-columns:minmax(155px,.64fr) minmax(0,2fr);gap:35px;padding:32px 36px;display:grid}.berd-landing .berd-pathway:nth-child(2){background:#e6f2fa}.berd-landing .berd-pathway:nth-child(3){background:#f2f5f7}.berd-landing .berd-pathway-audience{color:#41617a;padding-top:6px;font-size:14px}.berd-landing .berd-pathway h3{letter-spacing:-.03em;margin-bottom:11px;font:400 29px/1.25 Georgia,serif}.berd-landing .berd-pathway p{max-width:660px;color:var(--berd-muted);font-size:14px;line-height:1.75}.berd-landing .berd-pathway-links{flex-wrap:wrap;gap:10px 26px;margin-top:17px;display:flex}.berd-landing .berd-pathway-links a,.berd-landing .berd-underlink{text-underline-offset:6px;align-items:center;min-height:32px;font-size:13px;font-weight:600;-webkit-text-decoration:underline #8eafc3;text-decoration:underline #8eafc3;display:inline-flex}.berd-landing .berd-pathway-links a:hover,.berd-landing .berd-underlink:hover{color:var(--berd-blue);text-decoration-color:currentColor}.berd-landing .berd-lesson-band{background:var(--berd-sky);padding-block:77px 80px}.berd-landing .berd-lesson-layout{grid-template-columns:1fr 1fr;align-items:center;gap:100px;display:grid}.berd-landing .berd-lesson-copy h2{margin-bottom:35px}.berd-landing .berd-lesson-steps{counter-reset:lesson;margin:0;padding:0;list-style:none}.berd-landing .berd-lesson-steps li{counter-increment:lesson;margin-top:23px;padding-left:43px;position:relative}.berd-landing .berd-lesson-steps li:before{content:counter(lesson);color:#537e99;font:400 28px/1 Georgia,serif;position:absolute;top:-2px;left:0}.berd-landing .berd-lesson-steps strong{margin-bottom:5px;font-size:15px;font-weight:600;display:block}.berd-landing .berd-lesson-steps p{color:#46647b;max-width:350px;font-size:13px}.berd-landing .berd-lesson-preview{background:#fff;border-radius:7px 52px 7px 7px;padding:36px 35px 32px;position:relative;box-shadow:12px 12px #bad8e9}.berd-landing .berd-preview-caption{color:var(--berd-muted);font-size:12px}.berd-landing .berd-lesson-preview h3{letter-spacing:-.04em;margin:20px 0 16px;font:400 39px/1.2 Georgia,serif}.berd-landing .berd-lesson-preview p{color:var(--berd-muted);font-size:14px}.berd-landing .berd-find-c{border:5px solid #14344b;background:#14344b;border-top-width:11px;border-radius:5px;gap:2px;height:139px;margin:30px 0 22px;display:flex;position:relative}.berd-landing .berd-find-c>span{background:#fff;border-bottom:4px solid #dce7ed;border-radius:0 0 2px 2px;flex:1;position:relative}.berd-landing .berd-find-c>.berd-c-key{background:#b2dbf1;border-bottom-color:#7db0ce}.berd-landing .berd-find-c i{z-index:1;background:#14344b;border-radius:0 0 3px 3px;width:68%;height:63%;position:absolute;top:-1px;left:68%}.berd-landing .berd-find-c b{text-align:center;font-size:14px;font-weight:400;position:absolute;bottom:13px;left:0;right:0}.berd-landing .berd-lesson-preview .berd-preview-task{margin-bottom:24px;font-size:13px}.berd-landing .berd-lesson-preview .berd-underlink{width:fit-content;margin-top:11px;font-size:12px;display:flex}.berd-landing .berd-repertoire{padding-block:95px 80px}.berd-landing .berd-music-shelf{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;gap:24px;padding:10px 0 8px;display:grid}.berd-landing .berd-score-cover{min-height:390px;color:var(--berd-navy);background:#e1eef5;border-left:7px solid #bfd6e4;border-radius:2px 8px 8px 2px;flex-direction:column;padding:31px 29px 24px 35px;text-decoration:none;display:flex}.berd-landing .berd-score-cover:hover{background:#d5e8f3;text-decoration:none}.berd-landing .berd-score-tchaikovsky{background:#edf4f8;border-left-color:#ccdee9;margin-top:20px}.berd-landing .berd-score-einaudi{background:#cfe4f1;border-left-color:#a9cbe0;margin-top:8px}.berd-landing .berd-score-composer{color:#49687d;max-width:190px;font-size:12px}.berd-landing .berd-score-cover h3{letter-spacing:-.04em;min-height:76px;margin:26px 0 12px;font:400 34px/1.12 Georgia,serif}.berd-landing .berd-score-drawing{color:#6d93ab;width:100%;height:84px;margin:10px 0 23px}.berd-landing .berd-score-drawing path{stroke:currentColor;stroke-width:.8px}.berd-landing .berd-score-drawing ellipse{fill:currentColor}.berd-landing .berd-score-cover p{color:#49687d;max-width:220px;margin-bottom:23px;font-size:13px}.berd-landing .berd-score-open{justify-content:space-between;align-items:center;gap:14px;margin-top:auto;font-size:12px;display:flex}.berd-landing .berd-rights-note{max-width:780px;color:var(--berd-muted);margin-top:32px;font-size:12px}.berd-landing .berd-care{background:var(--berd-navy);color:#fff;border-radius:9px 60px 9px 9px;grid-template-columns:.6fr 1.4fr;align-items:center;gap:50px;padding:54px 70px;display:grid}.berd-landing .berd-care-symbol{color:#c8e6f7;max-width:235px}.berd-landing .berd-care-symbol svg{fill:currentColor;width:100%;display:block}.berd-landing .berd-care h2{color:#fff;font-size:clamp(34px,3.5vw,46px)}.berd-landing .berd-care p{color:#c9dce8;max-width:570px;margin:23px 0 27px;font-size:14px}.berd-landing .berd-care .berd-button{font-size:13px}.berd-landing .berd-questions{grid-template-columns:.85fr 1.3fr;gap:70px;padding-block:95px 90px;display:grid}.berd-landing .berd-questions h2{max-width:330px;font-size:43px}.berd-landing .berd-faq details{border-bottom:1px solid #d9e5ed}.berd-landing .berd-faq details:first-child{border-top:1px solid #d9e5ed}.berd-landing .berd-faq summary{cursor:pointer;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font-size:15px;line-height:1.5;list-style:none;display:flex}.berd-landing summary::-webkit-details-marker{display:none}.berd-landing .berd-faq summary svg{flex-shrink:0;transition:transform .15s}.berd-landing .berd-faq details[open] summary svg{transform:rotate(180deg)}.berd-landing .berd-faq details>p{color:var(--berd-muted);padding:0 28px 25px 0;font-size:14px}.berd-landing .berd-faq details>p a{text-underline-offset:3px;text-decoration:underline}.berd-landing .berd-last-invitation{background:var(--berd-ice);text-align:center;padding-block:70px 65px}.berd-landing .berd-last-invitation h2{margin-bottom:30px;font-size:clamp(36px,4.3vw,58px)}.berd-landing .berd-last-invitation p{color:var(--berd-muted);margin-top:18px;font-size:12px}.berd-landing .berd-footer{grid-template-columns:1.3fr 1fr 1fr;gap:60px;padding-block:50px 42px;display:grid}.berd-landing .berd-footer .berd-brand>svg{width:112px;height:43px}.berd-landing .berd-footer p{color:var(--berd-muted);margin-top:16px;font-size:12px}.berd-landing .berd-footer nav{flex-direction:column;align-items:flex-start;gap:13px;padding-top:10px;display:flex}.berd-landing .berd-footer nav a{font-size:13px}.berd-landing .berd-contact{white-space:pre-wrap;overflow-wrap:anywhere;max-width:310px}@media (width<=1100px){.berd-landing .berd-wrap{width:calc(100% - 64px)}.berd-landing .berd-header,.berd-landing .berd-desktop-nav{gap:25px}.berd-landing .berd-hero{gap:42px;min-height:560px}.berd-landing .berd-hero h1{font-size:65px}.berd-landing .berd-hero-description{font-size:15px}.berd-landing .berd-hero-orbit{inset:-22px -13px -16px -14px}.berd-landing .berd-first-phrase{padding:22px 18px 15px}.berd-landing .berd-phrase-heading{font-size:12px}.berd-landing .berd-mini-piano{height:145px}.berd-landing .berd-phrase-controls{gap:0 10px}.berd-landing .berd-phrase-controls>span{width:100%}.berd-landing .berd-lesson-layout{gap:60px}.berd-landing .berd-score-cover{min-height:365px;padding:25px 20px 23px 24px}.berd-landing .berd-score-cover h3{font-size:30px}.berd-landing .berd-care{gap:35px;padding:48px 45px}.berd-landing .berd-questions{gap:40px}}@media (width<=800px){.berd-landing .berd-wrap{width:calc(100% - 48px)}.berd-landing .berd-header{min-height:103px}.berd-landing .berd-brand>svg{width:116px;height:45px}.berd-landing .berd-desktop-nav{gap:19px}.berd-landing .berd-desktop-nav a{font-size:12px}.berd-landing .berd-login{padding-inline:19px;font-size:12px}.berd-landing .berd-hero{gap:27px;padding-block:44px 65px}.berd-landing .berd-introduction{margin-bottom:19px;font-size:12px}.berd-landing .berd-hero h1{font-size:55px}.berd-landing .berd-hero-description{margin-block:23px;font-size:14px}.berd-landing .berd-hero .berd-button{gap:13px;padding-inline:18px;font-size:12px}.berd-landing .berd-trial-note{font-size:10px}.berd-landing .berd-flight{width:135px;top:-54px}.berd-landing .berd-first-phrase{padding:18px 13px 13px}.berd-landing .berd-mini-piano{height:126px}.berd-landing .berd-white-keys button{font-size:8px}.berd-landing .berd-note-path{height:97px;padding-top:30px}.berd-landing .berd-audio-credit{font-size:8px}.berd-landing .berd-entrance-note{gap:9px 17px;font-size:10px}.berd-landing .berd-programmes{padding-block:65px}.berd-landing .berd-section-heading{gap:35px;margin-bottom:35px}.berd-landing .berd-section-heading>p,.berd-landing .berd-section-heading>div{max-width:320px;font-size:13px}.berd-landing .berd-pathway{grid-template-columns:145px minmax(0,1fr);gap:25px;padding:27px 25px}.berd-landing .berd-pathway h3{font-size:25px}.berd-landing .berd-pathway p{font-size:13px}.berd-landing .berd-pathway-links{gap:5px 20px}.berd-landing .berd-pathway-links a{font-size:12px}.berd-landing .berd-lesson-layout{gap:35px}.berd-landing .berd-lesson-band{padding-block:60px}.berd-landing .berd-lesson-preview{padding:28px 24px 24px}.berd-landing .berd-lesson-preview h3{font-size:32px}.berd-landing .berd-lesson-steps li{padding-left:34px}.berd-landing .berd-lesson-steps strong{font-size:13px}.berd-landing .berd-lesson-steps p{font-size:12px}.berd-landing .berd-find-c{height:115px}.berd-landing .berd-lesson-preview .berd-button{width:100%;padding-inline:15px;font-size:12px}.berd-landing .berd-repertoire{padding-block:65px}.berd-landing .berd-music-shelf{gap:14px}.berd-landing .berd-score-cover{min-height:345px;padding:24px 17px 20px}.berd-landing .berd-score-composer{font-size:10px}.berd-landing .berd-score-cover h3{min-height:65px;margin-top:21px;font-size:27px}.berd-landing .berd-score-drawing{height:63px;margin-block:7px 15px}.berd-landing .berd-score-cover p{font-size:11px}.berd-landing .berd-score-open{gap:8px;font-size:10px}.berd-landing .berd-care{grid-template-columns:.45fr 1.4fr;gap:30px;padding:37px}.berd-landing .berd-care p{font-size:13px}.berd-landing .berd-questions{gap:30px;padding-block:65px}.berd-landing .berd-questions h2{font-size:37px}.berd-landing .berd-faq summary{padding-block:21px;font-size:13px}.berd-landing .berd-faq details>p{font-size:12px}.berd-landing .berd-footer{gap:30px}.berd-landing .berd-footer nav a{font-size:12px}}@media (width<=650px){.berd-landing .berd-wrap{width:calc(100% - 40px)}.berd-landing h2{font-size:40px}.berd-landing .berd-header{gap:18px;min-height:95px;padding-block:16px}.berd-landing .berd-header .berd-brand>svg{width:104px;height:40px}.berd-landing .berd-brand-tagline{margin-top:3px;font-size:9px}.berd-landing .berd-desktop-nav{display:none}.berd-landing .berd-header-actions{gap:12px}.berd-landing .berd-login{padding-inline:17px}.berd-landing .berd-mobile-nav{display:block;position:relative}.berd-landing .berd-mobile-nav summary{cursor:pointer;align-items:center;gap:7px;min-height:44px;font-size:12px;list-style:none;display:flex}.berd-landing .berd-mobile-nav nav{z-index:20;background:#fff;border:1px solid #b7d0e0;border-radius:9px;flex-direction:column;width:210px;padding:12px;display:flex;position:absolute;top:51px;right:0;box-shadow:0 12px 28px #14344b15}.berd-landing .berd-mobile-nav nav a{border-radius:4px;align-items:center;min-height:43px;padding:9px 13px;font-size:14px;display:flex}.berd-landing .berd-mobile-nav nav a:hover{background:var(--berd-ice);text-decoration:none}.berd-landing .berd-hero{flex-direction:column;align-items:stretch;gap:47px;min-height:0;padding-block:26px 43px;display:flex}.berd-landing .berd-hero h1{font-size:clamp(51px,12vw,72px)}.berd-landing .berd-introduction{margin-bottom:17px;font-size:13px}.berd-landing .berd-hero-description{max-width:440px;margin-block:24px;font-size:15px}.berd-landing .berd-hero .berd-button{gap:20px;padding-inline:23px;font-size:13px}.berd-landing .berd-trial-note{font-size:11px}.berd-landing .berd-hero-visual{width:100%;max-width:440px;margin:10px auto 0;padding:24px 8px 29px}.berd-landing .berd-hero-orbit{inset:-9px 0 4px;transform:none}.berd-landing .berd-flight{width:111px;height:75px;top:-47px;right:0}.berd-landing .berd-first-phrase{padding:22px 19px 17px;transform:rotate(-3deg)}.berd-landing .berd-phrase-heading{font-size:13px}.berd-landing .berd-note-path{max-width:290px;height:99px}.berd-landing .berd-mini-piano{height:145px}.berd-landing .berd-white-keys button{font-size:10px}.berd-landing .berd-phrase-controls{gap:0 10px}.berd-landing .berd-phrase-controls>span{width:auto}.berd-landing .berd-audio-credit{font-size:9px}.berd-landing .berd-entrance-note{flex-direction:column;align-items:flex-start;gap:6px;padding-block:20px;font-size:11px;display:flex}.berd-landing .berd-programmes{padding-block:55px}.berd-landing .berd-section-heading{margin-bottom:28px;display:block}.berd-landing .berd-section-heading>p,.berd-landing .berd-section-heading>div{max-width:440px;margin-top:20px;font-size:14px}.berd-landing .berd-section-heading>p br{display:none}.berd-landing .berd-pathway{padding:25px 23px;display:block}.berd-landing .berd-pathway-audience{margin-bottom:15px;padding:0;font-size:12px}.berd-landing .berd-pathway h3{font-size:28px}.berd-landing .berd-pathway p{font-size:13px}.berd-landing .berd-pathway-links{gap:9px 22px;margin-top:15px}.berd-landing .berd-pathway-links a{min-height:35px;font-size:12px}.berd-landing .berd-lesson-band{padding-block:48px 55px}.berd-landing .berd-lesson-layout{display:block}.berd-landing .berd-lesson-copy h2{margin-bottom:27px}.berd-landing .berd-lesson-steps{max-width:440px}.berd-landing .berd-lesson-steps li{margin-top:23px;padding-left:38px}.berd-landing .berd-lesson-steps strong{font-size:14px}.berd-landing .berd-lesson-steps p{font-size:13px}.berd-landing .berd-lesson-preview{max-width:430px;margin:35px 10px 0 0;padding:29px 26px 25px}.berd-landing .berd-lesson-preview h3{font-size:37px}.berd-landing .berd-find-c{height:132px}.berd-landing .berd-lesson-preview .berd-button{width:auto;padding-inline:23px;font-size:13px}.berd-landing .berd-lesson-preview .berd-underlink{font-size:12px}.berd-landing .berd-repertoire{padding-block:55px}.berd-landing .berd-music-shelf{scroll-snap-type:x proximity;gap:17px;margin-inline:-4px;padding:8px 4px 14px;display:flex;overflow-x:auto}.berd-landing .berd-score-cover{scroll-snap-align:start;flex:0 0 min(75vw,300px);min-height:365px;margin-top:0;padding:28px 25px 24px}.berd-landing .berd-score-composer{font-size:12px}.berd-landing .berd-score-cover h3{min-height:77px;font-size:34px}.berd-landing .berd-score-drawing{height:80px;margin-bottom:20px}.berd-landing .berd-score-cover p{font-size:13px}.berd-landing .berd-score-open{font-size:12px}.berd-landing .berd-rights-note{margin-top:21px;font-size:11px}.berd-landing .berd-care{border-radius:7px 42px 7px 7px;padding:28px 26px 32px;display:block}.berd-landing .berd-care-symbol{width:93px;margin:0 0 18px}.berd-landing .berd-care h2{font-size:34px}.berd-landing .berd-care p{margin:21px 0 25px;font-size:13px}.berd-landing .berd-care .berd-button{padding-inline:15px;font-size:12px}.berd-landing .berd-questions{padding-block:55px;display:block}.berd-landing .berd-questions h2{max-width:none;margin-bottom:28px;font-size:38px}.berd-landing .berd-faq summary{padding-block:22px;font-size:14px}.berd-landing .berd-faq details>p{font-size:13px}.berd-landing .berd-last-invitation{padding-block:48px 46px}.berd-landing .berd-last-invitation h2{margin-bottom:27px;font-size:38px}.berd-landing .berd-last-invitation .berd-button{gap:15px;padding-inline:21px;font-size:13px}.berd-landing .berd-last-invitation p{font-size:11px}.berd-landing .berd-footer{grid-template-columns:1fr 1fr;gap:26px;padding-block:33px}.berd-landing .berd-footer>div{grid-column:1/-1}.berd-landing .berd-footer .berd-brand>svg{width:105px;height:41px}.berd-landing .berd-footer p{margin-top:11px;font-size:11px}.berd-landing .berd-footer nav{gap:13px;padding-top:0}.berd-landing .berd-footer nav a{font-size:11px}}@media (width<=360px){.berd-landing .berd-wrap{width:calc(100% - 32px)}.berd-landing .berd-header-actions{gap:11px}.berd-landing .berd-login{padding-inline:12px}.berd-landing .berd-hero h1{font-size:47px}.berd-landing .berd-first-phrase{padding-inline:13px}.berd-landing .berd-phrase-heading{font-size:12px}.berd-landing .berd-mini-piano{height:133px}.berd-landing .berd-phrase-controls>span{width:100%}.berd-landing .berd-pathway{padding:23px 20px}.berd-landing .berd-care{padding-inline:23px}.berd-landing .berd-last-invitation h2{font-size:34px}}@media (prefers-reduced-motion:reduce){.berd-landing *,.berd-landing :before,.berd-landing :after{scroll-behavior:auto!important;transition:none!important}}@media print{.berd-landing .berd-header-actions,.berd-landing .berd-hero-visual,.berd-landing .berd-mobile-nav,.berd-landing .berd-last-invitation{display:none}.berd-landing .berd-wrap{width:100%}.berd-landing .berd-hero{min-height:0;padding-block:25px;display:block}.berd-landing .berd-music-shelf{display:grid}}:root{--ink:#14344b;--blue:#215f88;--navy:#215f88;--muted:#526c7e;--line:#d7e5ed;--pale:#e9f4fb;--back:#f8fbfd}.assistant-panel[hidden]{display:none!important}.performance-scores{flex-wrap:wrap;gap:1.5rem;display:flex}.performance-scores strong{font-size:1.8rem}.guest-home .sidebar,.guest-home .topbar,.guest-home>.workspace>.footer{display:none}.guest-home .workspace{width:100%;margin-left:0}.guest-home .main{width:100%;max-width:none;padding:0}.assistant-dock{z-index:85;flex-direction:column;align-items:flex-end;gap:12px;max-width:calc(100vw - 32px);display:flex;position:fixed;bottom:22px;right:24px}.assistant-launcher{color:#fff;background:#14344b;border:0;border-radius:30px;align-items:center;gap:10px;min-height:52px;padding:15px 20px;font-weight:600;display:flex;box-shadow:0 6px 24px #14344b28}.assistant-panel{background:#fff;border:1px solid #c5d9e7;border-radius:20px;flex-direction:column;width:410px;max-width:100%;height:min(650px,100dvh - 110px);display:flex;overflow:hidden;box-shadow:0 12px 60px #14344b2c}.assistant-panel-bar{background:#e9f4fb;border-bottom:1px solid #d7e5ed;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.assistant-panel-body{overscroll-behavior:contain;flex:1;padding:16px;overflow:auto}.assistant-panel .copilot{max-width:none;box-shadow:none;background:0 0;border:0;margin:0;padding:0}.assistant-panel .copilot-head{align-items:flex-start;gap:10px;padding:0}.assistant-panel .copilot-head h2{font-size:20px}.assistant-panel .copilot-mark,.assistant-panel .copilot-head>.badge{display:none}.assistant-panel .copilot-access{padding:12px 0}.assistant-panel .copilot-compose{flex-direction:column;gap:8px;display:flex}.assistant-panel .copilot-compose textarea{min-height:72px}.assistant-panel .copilot-conversation{min-height:100px;max-height:280px;padding:8px 0}.assistant-panel .copilot-empty{padding:8px}.assistant-panel .fineprint{font-size:11px}.assistant-panel .copilot-message{padding:12px}.footer{padding-bottom:100px}.learning-videos{margin:24px 0}.video-library{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;display:grid}.video-library h2{font-size:22px}.video-library>section{border-bottom:1px solid var(--line);padding-bottom:24px}@media (width<=900px){.video-library{grid-template-columns:1fr}}.learning-videos video{background:#14344b;border-radius:14px;width:100%;max-height:540px;display:block}.learning-videos details{padding:12px 0}.learning-videos article{margin:22px 0}.piece-player{background:#eef7fc;border:1px solid #cddfea;border-radius:18px;margin-bottom:26px;padding:24px}.piece-player .player-toolbar{flex-wrap:wrap;align-items:end;gap:16px;margin:16px 0;display:flex}.piece-player label{gap:5px;font-size:13px;display:grid}.piece-player select,.piece-player input{min-height:42px}.piece-keyboard{min-width:560px;height:140px;margin:12px 0;display:flex;position:relative}.piece-keyboard .pk-white{color:#14344b;background:#fff;border:1px solid #839caa;border-radius:0 0 5px 5px;flex:1;justify-content:center;align-items:end;padding-bottom:8px;font-size:11px;display:flex;position:relative}.piece-keyboard .pk-black{z-index:2;background:#14344b;border-radius:0 0 4px 4px;height:85px;position:absolute;top:0}.piece-keyboard .is-active{color:#14344b;background:#f9c65d!important}.piece-keyboard-scroll,.piece-notes{overflow-x:auto}.piece-notes{background:#fff;border-radius:10px}.piece-notes svg{width:100%;min-width:600px;height:auto;display:block}.piece-player progress{width:100%}.piece-sequence{flex-wrap:wrap;gap:8px;padding:0;list-style:none;display:flex}.piece-sequence li{background:#fff;border:1px solid #d7e5ed;border-radius:7px;padding:6px 9px;font-size:12px}.piece-sequence .current{background:#f9c65d}.piece-player .player-error{color:#a53a46}.piece-player .phrase-tip{border-left:3px solid #337ea8;margin:15px 0;padding-left:14px}@media (width<=760px){.assistant-dock{max-width:calc(100vw - 24px);bottom:12px;right:12px}.assistant-panel{width:min(410px,100vw - 24px);height:min(650px,100dvh - 95px)}.assistant-launcher{padding:13px 16px}.assistant-panel-body{padding:12px}.piece-player{padding:16px}.footer{padding-bottom:100px}}@media (prefers-reduced-motion:reduce){.assistant-dock *{scroll-behavior:auto!important}}