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var(--space-3);font-weight:400;line-height:1.5;font-family:var(--font-sans);letter-spacing:0;pointer-events:none;text-align:left;top:calc(100% + var(--space-2));visibility:hidden;z-index:5;width:max-content;max-width:18rem;transition:opacity .15s;position:absolute}.tooltip-start{left:0}.tooltip-end{right:0}.heading-with-help{align-items:center;gap:var(--space-2);margin-bottom:var(--space-4);display:flex;position:relative}.heading-with-help .tooltip{position:static}.heading-with-help h2{font-size:var(--text-xl)}.section-heading .heading-with-help{margin-bottom:0}.tooltip:hover .tooltip-body,.tooltip:focus-within .tooltip-body{opacity:1;visibility:visible}.is-busy{position:relative}.spinner{border-radius:var(--radius-pill);vertical-align:-.1em;border:2px solid;border-right-color:#0000;width:.8em;height:.8em;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media 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.btn{white-space:nowrap}.today-lesson{font-variant-numeric:tabular-nums}.flow-panel{background:var(--surface-sunken);border-radius:var(--radius-md);gap:var(--space-2);margin-top:var(--space-3);padding:var(--space-5);display:grid}.flow-panel h4{font-size:var(--text-lg);margin:0}.flow-panel .row-actions{margin-top:var(--space-2);justify-content:flex-end}.advanced-operations{border-top:1px solid var(--border);margin-top:var(--space-4);padding-top:var(--space-3)}.advanced-operations summary{color:var(--text-muted)}.advanced-operations .btn,.advanced-operations .text-button{margin-top:var(--space-2)}.picker{border:1px solid var(--border);border-radius:var(--radius-sm);gap:var(--space-2);margin:var(--space-3) 0;padding:var(--space-3) var(--space-4);display:grid}.picker legend{font-size:var(--text-xs);padding:0 var(--space-2);font-weight:600}a.assignment-row{color:inherit;align-items:center;text-decoration:none;transition:border-color .2s,box-shadow .2s;display:flex}a.assignment-row:hover{border-color:var(--color-ink);box-shadow:var(--shadow-lift)}.material-form{margin-bottom:var(--space-6)}.material-form .btn{justify-self:start}.material-form h3{font-size:var(--text-lg);margin:0}.material-list{gap:var(--space-3);display:grid}.material-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);gap:var(--space-3);padding:var(--space-5);display:grid}.material-heading{align-items:flex-start;gap:var(--space-4);justify-content:space-between;display:flex}.material-heading h3{font-size:var(--text-lg);margin:0}.material-body{overflow-wrap:anywhere;line-height:1.6}.material-body>:first-child{margin-top:0}.material-body>:last-child{margin-bottom:0}.material-body h3,.material-body h4{font-size:var(--text-md);margin:var(--space-3) 0 var(--space-1)}.material-images{gap:var(--space-2);grid-template-columns:repeat(auto-fill,minmax(160px,1fr));display:grid}.material-images img{aspect-ratio:4/3;background:var(--surface-sunken);border:1px solid var(--border-soft);border-radius:var(--radius-sm);object-fit:cover;width:100%;display:block}.material-files{gap:var(--space-1);margin:0;padding:0;list-style:none;display:grid}.material-files a{color:var(--text);font-size:var(--text-sm);-webkit-text-decoration-color:var(--color-grass);text-decoration-color:var(--color-grass);text-underline-offset:.25em;font-weight:600;text-decoration-thickness:2px}.learner-materials{border-top:1px solid var(--border);padding-top:var(--space-4)}.learner-materials h4{font-size:var(--text-lg);margin:0}.learner-materials .heading-with-help{margin-bottom:var(--space-3)}.rich-text{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm)}.rich-text:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-ring)}.rich-text-toolbar{border-bottom:1px solid var(--border-soft);gap:var(--space-1);padding:var(--space-1);flex-wrap:wrap;display:flex}.rich-text-toolbar button{border-radius:var(--radius-pill);color:var(--text);font-size:var(--text-xs);padding:var(--space-1) var(--space-3);background:0 0;border:0;font-weight:600}.rich-text-toolbar button:hover{background:var(--surface-sunken)}.rich-text-area{min-height:8rem;padding:var(--space-3);outline:0}.learner-panel{--text-2xs:.85rem;--text-xs:.95rem;--text-sm:1.05rem;--text-md:1.125rem;--touch-target:44px;font-size:var(--text-md)}.learner-panel .btn,.learner-panel .slot-button,.learner-panel .panel-nav a,.learner-panel summary,.learner-panel .text-button{min-height:var(--touch-target);align-items:center;display:inline-flex}.learner-panel .slot-button{display:block}.learner-panel .panel-nav a{font-size:var(--text-md)}.assignment-switcher{align-items:center;gap:var(--space-3);margin:var(--space-6) 0 0;max-width:28rem;display:flex}.assignment-switcher label{white-space:nowrap;margin:0}.next-lesson{gap:var(--space-2);justify-items:start;display:grid}.next-lesson-time{font-family:var(--font-display);font-size:var(--text-xl);margin:0}@media (width<=720px){.learner-panel .panel-header{-webkit-backdrop-filter:none;backdrop-filter:none;background:var(--color-cream)}.learner-panel .panel-shell{padding-bottom:calc(var(--space-16) * 2)}.learner-panel .learner-nav{background:var(--surface);border-top:1px solid var(--border);padding:var(--space-1) var(--space-2) calc(var(--space-1) + env(safe-area-inset-bottom));z-index:20;--text-2xs:.75rem;width:auto;padding-inline:var(--space-1);grid-auto-columns:auto;grid-auto-flow:column;justify-content:space-between;gap:0;margin:0;display:grid;position:fixed;bottom:0;left:0;right:0}.learner-panel .learner-nav a{border-radius:var(--radius-sm);font-size:var(--text-2xs);min-width:0;padding-inline:var(--space-1);justify-content:center;position:relative}.learner-panel .learner-nav .nav-badge{right:0;top:calc(-1 * var(--space-2));margin:0;position:absolute}}.payment-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-6)}.payment-card h2{margin-top:0}.due-list{gap:var(--space-3);margin:var(--space-4) 0;padding:0;list-style:none;display:grid}.due-row{border-bottom:1px solid var(--border-soft);align-items:center;gap:var(--space-4);padding-bottom:var(--space-3);justify-content:space-between;display:flex}.due-row p{margin:var(--space-1) 0 0}.due-amount{font-variant-numeric:tabular-nums;align-items:flex-end;gap:var(--space-1);white-space:nowrap;justify-items:end;font-weight:600;display:grid}.transfer-details{align-items:start;gap:var(--space-8);grid-template-columns:minmax(0,1fr) auto;display:grid}.transfer-fields{gap:var(--space-2) var(--space-4);grid-template-columns:auto minmax(0,1fr);margin:0;display:grid}.transfer-fields dt{color:var(--text-muted)}.transfer-fields dd{align-items:center;gap:var(--space-2);flex-wrap:wrap;margin:0;display:flex}.iban{font-variant-numeric:tabular-nums;letter-spacing:.02em}.transfer-qr{gap:var(--space-2);text-align:center;justify-items:center;max-width:16rem;margin:0;display:grid}.transfer-qr img{border-radius:var(--radius-sm);image-rendering:pixelated}.transfer-qr figcaption{color:var(--text-muted);font-size:var(--text-xs)}@media (width<=720px){.transfer-details,.transfer-fields{grid-template-columns:1fr}}.check-row{align-items:center;gap:var(--space-2);margin:0;display:flex}.check-row input{width:auto;min-height:auto}.note-list,.note-lessons{gap:var(--space-4);display:grid}.note-card .lesson-meta{margin:0 0 var(--space-2)}.note-form{margin-top:var(--space-3)}.repertoire .heading-with-help{margin-bottom:var(--space-3)}.piece-group{gap:var(--space-3);margin-top:var(--space-5);display:grid}.piece-group h3{font-size:var(--text-lg);margin:0}.piece-list,.piece-rows{gap:var(--space-3);display:grid}.piece-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);gap:var(--space-2);padding:var(--space-4) var(--space-5);display:grid}.piece-heading h4{font-size:var(--text-lg);margin:0}.piece-heading .supporting-copy{margin:0}.piece-versions[open]>summary{margin-bottom:var(--space-3)}.piece-versions .material-card{background:var(--surface-sunken)}.wish-list{gap:var(--space-2);margin:var(--space-3) 0;padding:0;list-style:none;display:grid}.wish-list li{border-bottom:1px solid var(--border-soft);align-items:center;gap:var(--space-3);padding:var(--space-2) 0;flex-wrap:wrap;justify-content:space-between;display:flex}.wish-inbox{background:var(--surface-sunken);border-radius:var(--radius-md);margin-bottom:var(--space-5);padding:var(--space-4) var(--space-5)}.wish-inbox h3{margin:0}.piece-row{border:1px solid var(--border);border-radius:var(--radius-md);align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);flex-wrap:wrap;justify-content:space-between;display:flex}.piece-row .lesson-meta{margin:var(--space-1) 0 0}.piece-form{margin-top:var(--space-5)}.piece-form h3{font-size:var(--text-lg);margin:0}.piece-row select,.material-heading select{width:auto}.piece-rows{margin-bottom:var(--space-2)}.pieces-heading{font-size:var(--text-lg);margin:var(--space-2) 0 var(--space-3)}.task-list{gap:var(--space-3);margin:0 0 var(--space-4);padding:0;list-style:none;display:grid}.task-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);gap:var(--space-1);padding:var(--space-4) var(--space-5);display:grid}.task-card h3{font-size:var(--text-lg);margin:0}.task-details{white-space:pre-line;margin:0}.task-card .lesson-meta{gap:var(--space-3);margin:var(--space-1) 0 0;flex-wrap:wrap;display:flex}.task-titles{gap:var(--space-1);margin:0 0 var(--space-3);padding-left:var(--space-5);display:grid}.practice-button{justify-self:start}.session-form,.plan-form{margin-top:var(--space-3)}.session-form textarea,.plan-form textarea{font:inherit}.practice-legend{color:var(--text-muted);font-size:var(--text-xs);margin:var(--space-3) 0 0}.practice-grid{gap:var(--space-1);margin:var(--space-3) 0 var(--space-5);max-width:22rem;display:grid}.practice-week{gap:var(--space-1);text-align:center;grid-template-columns:repeat(7,1fr);display:grid}.practice-week [role=columnheader]{color:var(--text-muted);font-size:var(--text-2xs);font-weight:600}.practice-day{aspect-ratio:1;border-radius:var(--radius-pill);color:var(--text-muted);font-size:var(--text-xs);justify-content:center;align-items:center;display:flex}.practice-day.practiced{background:var(--color-grass);color:var(--color-ink);font-weight:700}.practice-day.today{box-shadow:inset 0 0 0 2px var(--color-ink)}.practice-day.future{opacity:.35}.session-list{margin:0;padding:0;list-style:none;display:grid}.session-list li{border-bottom:1px solid var(--border-soft);align-items:flex-start;gap:var(--space-3);padding:var(--space-3) 0;justify-content:space-between;display:flex}.session-list .lesson-meta,.session-comment{margin:var(--space-1) 0 0}.session-comment{font-style:italic}.practice-summary{background:var(--surface-sunken);border-radius:var(--radius-md);margin-bottom:var(--space-3);padding:var(--space-3) var(--space-4)}.practice-summary p{margin:0}.session-comments{gap:var(--space-1);margin:var(--space-2) 0 0;padding:0;list-style:none;display:grid}.plan-task{align-items:center;gap:var(--space-3);flex-wrap:wrap;justify-content:space-between;display:flex}.plan-task select{width:auto}.new-task{gap:var(--space-1);display:grid}.plan-form>.btn-ghost{justify-self:start}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.nav-badge{background:var(--color-ink);border-radius:var(--radius-pill);color:var(--color-cream);font-size:var(--text-2xs);margin-left:var(--space-1);padding:var(--space-1) var(--space-2);vertical-align:middle;font-weight:700;line-height:1;display:inline-block}.panel-nav a.active .nav-badge,.tab-bar .active .nav-badge{background:var(--color-cream);color:var(--color-ink)}.message-thread{gap:var(--space-3);display:grid}.message-thread>.text-button{justify-self:center}.message-list{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.message{background:var(--surface-sunken);border:1px solid var(--border-soft);border-radius:var(--radius-md);gap:var(--space-2);max-width:90%;padding:var(--space-3);display:grid}.message.own{background:var(--surface);justify-self:end}.message-meta{color:var(--text-muted);font-size:var(--text-xs);margin:0}.message .material-images{grid-template-columns:repeat(auto-fill,minmax(8rem,10rem))}.message-body{overflow-wrap:anywhere;white-space:pre-wrap;margin:0}.message-note-label{color:var(--text-muted);font-size:var(--text-2xs);letter-spacing:.08em;text-transform:uppercase;font-weight:600;display:block}.message-note{background:var(--surface-sunken);border-left:var(--space-1) solid var(--color-ink);border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3);margin:0}.message-form{gap:var(--space-2);display:grid}.message-form>.btn{justify-self:start}.message-attach{gap:var(--space-2);flex-wrap:wrap;display:flex}.file-button{cursor:pointer;position:relative}.file-button:focus-within{box-shadow:0 0 0 4px var(--accent-ring)}.selected-files{gap:var(--space-1);margin:0;padding:0;list-style:none;display:grid}.selected-files li{align-items:center;gap:var(--space-2);justify-content:space-between;display:flex}