:root{--paper:#f7f6f1;--ink:#233b35;--green:#173f3a;--muted:#6e7870;--line:#dddfd5;--white:#fffefa;--orange:#b5623b;--violet:#716084;--radius:20px;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;line-height:1.55}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button,input,textarea,select{border-radius:10px}button{font-weight:600}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(2.2rem,4.5vw,3.9rem);font-weight:580}h2{font-size:clamp(1.55rem,2.8vw,2.2rem);font-weight:570}h3{font-size:1.2rem;font-weight:650}p{color:var(--muted)}img{max-width:100%}[hidden]{display:none!important}.icon{width:22px;height:22px;flex:none;vertical-align:middle}input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #b5803a;outline-offset:4px}main:focus{outline:none}.skip{position:fixed;left:20px;top:-80px;background:white;padding:15px;z-index:100}.skip:focus{top:15px}.topbar{max-width:1320px;margin:0 auto;padding:28px 46px;display:flex;justify-content:space-between;gap:25px;align-items:center}.brand{display:flex;align-items:center;gap:12px;white-space:nowrap;font-size:24px;font-weight:700;letter-spacing:-1.1px}.brand-label{font-size:9px;letter-spacing:1.8px;line-height:1.5;font-weight:600;border-left:1px solid var(--line);padding-left:16px;margin-left:8px;color:var(--muted);max-width:75px;white-space:normal}.topbar nav{display:flex;gap:34px;font-size:13px;align-items:center}.topbar nav a:hover{text-decoration:underline}.nav-teacher{color:var(--muted)}main{max-width:1228px;margin:auto;padding:10px 0 60px;min-height:65vh}.hero{background:var(--green);color:#fffdf1;border-radius:26px;display:grid;grid-template-columns:1.15fr 1fr;min-height:425px;overflow:hidden}.hero-copy{padding:48px 0 32px 48px;position:relative;z-index:1}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;display:flex;align-items:center;gap:10px;margin-bottom:20px}.little-dot{width:7px;height:7px;background:#e7cb92;border-radius:50%}.muted{color:var(--muted)}.hero h1{font-size:clamp(2.4rem,4.8vw,4.1rem);font-weight:550;letter-spacing:-.05em;line-height:1.08;margin-bottom:21px}.hero h1 em{font-family:Georgia,"Times New Roman",serif;font-weight:400;color:#e9d7ab}.hero 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.15s}.button:hover{background:#26564b}.button.light{background:#f4eed9;border-color:#f4eed9;color:var(--green)}.button.light:hover{background:#fff8df}.button.outline{background:transparent;color:var(--green);border-color:#c6cfc2}.button.outline:hover{background:#e9ede2}.button.full{width:100%}.small-button{font-size:12px;padding:10px 14px}.module-area{padding-top:46px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px}.section-heading .eyebrow{margin-bottom:10px}.section-heading h2{font-size:28px;margin-bottom:0}.section-intro{font-size:13px;margin:14px 0 27px}.search{display:flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:9px;background:#fffdf7;padding:8px 13px;width:235px;color:var(--muted)}.search input{padding:3px 0;border:0;background:none;width:100%;font-size:12px;min-width:0}.search .icon{width:17px;height:17px}.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.module-card{border:1px solid var(--line);background:var(--white);border-radius:16px;padding:24px;display:flex;flex-direction:column;min-height:305px;position:relative;transition:transform .18s,box-shadow .18s}.module-card:hover{transform:translateY(-4px);box-shadow:0 12px 35px #173f3a0d}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.module-symbol{width:52px;height:52px;display:grid;place-items:center;background:#e7edde;border-radius:14px;color:#3e6651}.module-symbol .icon{width:29px;height:29px}.card-number{font-family:Georgia,serif;font-size:31px;color:#d5d9ce}.accent-orange .module-symbol{background:#f6e8d9;color:#b66a40}.accent-violet .module-symbol{background:#eee7f3;color:#7f6c90}.card-meta{font-size:9px;text-transform:uppercase;letter-spacing:.8px;display:flex;gap:12px;align-items:center;color:var(--muted);margin-bottom:12px}.card-meta>span{display:inline-flex;align-items:center;gap:4px}.card-meta .icon{width:12px;height:12px}.module-card h2{font-size:23px;margin-bottom:12px;letter-spacing:-.025em}.module-card p{font-size:12px;line-height:1.7;max-width:290px;margin-bottom:20px}.card-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;border-top:1px solid #eceee5;padding-top:16px;font-size:10px;color:var(--muted)}.card-bottom>span:first-child{display:flex;gap:6px;align-items:center}.card-bottom .icon{width:13px;height:13px}.arrow-circle{border:1px solid #dfe3d7;border-radius:50%;width:29px;height:29px;display:grid;place-items:center;color:var(--green)}.visited{font-size:9px;position:absolute;right:22px;top:80px;color:#64745f}.how{margin-top:44px;border-top:1px solid var(--line);padding-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.how>div{position:relative;padding-left:39px}.how>div>.icon{position:absolute;left:0;top:1px;color:#688267;width:23px;height:23px}.how h3{font-size:13px;letter-spacing:0;margin:0 0 7px}.how p{font-size:11px;line-height:1.65;max-width:280px;margin-bottom:0}.footer{max-width:1228px;margin:auto;border-top:1px solid var(--line);padding:24px 0 30px;display:flex;justify-content:space-between;color:var(--muted);font-size:10px;gap:20px}.footer>div{display:flex;gap:22px}.footer a:hover{text-decoration:underline}#footer-version{color:#8d958c}.narrow{max-width:530px;margin:28px auto 60px}.back-link{font-size:12px;display:inline-block;color:var(--muted);margin-bottom:27px}.back-link:hover{color:var(--green);text-decoration:underline}.gate{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:42px}.gate-icon{width:58px;height:58px;background:#e9eddf;border-radius:16px;color:var(--green);display:grid;place-items:center;margin-bottom:28px}.gate .eyebrow{margin-bottom:13px}.gate h1{font-size:33px}.gate>p{font-size:14px;line-height:1.7}.gate-note{font-size:11px;color:var(--muted);border-top:1px solid var(--line);margin-top:26px;padding-top:20px}label{display:block;font-size:12px;font-weight:600;color:var(--ink)}input:not([type=radio]):not([type=checkbox]):not([type=range]):not([type=file]),textarea,select{display:block;width:100%;background:#fffef9;border:1px solid #ccd4c8;padding:11px 12px;color:var(--ink);font-size:14px;margin-top:7px;font-weight:400;line-height:1.5;min-width:0}textarea{resize:vertical}form>label,.panel>label,fieldset>label{margin-bottom:19px}input[type=radio],input[type=checkbox]{accent-color:var(--green);width:17px;height:17px;flex:none}.form-error{font-size:12px;color:#a0392c;line-height:1.6;margin:15px 0}.form-error:empty{display:none}.gate form button{margin-top:9px}.loading{padding:100px 20px;text-align:center;color:var(--muted)}.empty{text-align:center;padding:40px;border:1px dashed var(--line);border-radius:var(--radius);font-size:14px;margin:20px 0}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);max-width:90vw;min-width:200px;background:var(--green);color:white;box-shadow:0 8px 30px #173f3a22;border-radius:12px;padding:15px 23px;font-size:13px;z-index:90;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}dialog{border:1px solid var(--line);border-radius:20px;background:var(--paper);padding:40px;width:min(550px,90vw);color:var(--ink);max-height:85vh;overflow:auto}dialog::backdrop{background:#172d2780;backdrop-filter:blur(4px)}dialog h2{font-size:27px;padding-right:20px}dialog p,dialog dl{font-size:14px;line-height:1.7}dialog dt{font-weight:700}dialog dd{margin:0 0 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0}.exercise-heading{display:flex;align-items:center;gap:12px;margin-bottom:18px}.exercise-number{font-family:Georgia,serif;font-size:27px;color:#99aa92}.type-label{font-size:9px;letter-spacing:1.5px;color:var(--muted)}.exercise h3{font-size:22px;margin-bottom:12px}.exercise>p{font-size:13px;line-height:1.7}.solved-mark{display:none;font-size:10px;margin-left:auto;color:#37684b;align-items:center;gap:3px}.solved .solved-mark{display:flex}.solved{border-color:#b5c8af}.solved-mark .icon{width:15px;height:15px}.choices{display:grid;gap:10px;margin:20px 0}.choice{display:flex;gap:13px;align-items:center;border:1px solid #dce1d5;border-radius:9px;padding:13px;font-weight:400;font-size:13px;cursor:pointer}.choice:has(input:checked){background:#edf3e7;border-color:#7b9870}.exercise-actions{display:flex;align-items:center;gap:24px;margin-top:24px}.exercise-actions .text-button{font-size:11px}.pairs{display:grid;gap:12px}.pairs label{display:grid;grid-template-columns:1fr 1.4fr;align-items:center;gap:15px;font-size:13px}.pairs select{margin:0!important;font-size:12px!important}.cloze{font-size:14px;line-height:3.5}.cloze input{display:inline-block!important;width:150px!important;max-width:100%;padding:4px 8px!important;margin:0 5px!important;line-height:1.6!important}.feedback{margin-top:20px;border-radius:9px;padding:14px;font-size:12px;line-height:1.65}.feedback.correct{background:#e9f0e0;color:#315936}.feedback.retry{background:#fff0da;color:#885a23}.lesson-end{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);font-size:11px}.lesson-end>span{display:flex;align-items:center;gap:10px;color:var(--muted)}.admin-header{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:50px 0 5px}.admin-header h1{font-size:44px;margin-bottom:15px}.admin-header p{font-size:14px;margin:0}.toolbar{display:flex;gap:15px;align-items:center;flex-wrap:wrap}.status{font-size:8px;padding:3px 7px;background:#edeae0;border-radius:4px;letter-spacing:.3px}.status.live{background:#e4eddd;color:#41653b}.editor-header{display:flex;justify-content:space-between;align-items:center;padding-top:15px;margin-bottom:22px;gap:20px}.editor-header .back-link{margin-bottom:13px}.editor-header h1{font-size:35px;margin-bottom:0}.editor-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:30px}.tabs{display:flex;gap:15px;margin-bottom:24px;border-bottom:1px solid var(--line)}.tab{display:flex;gap:8px;align-items:center;padding:12px 10px 17px;background:none;border:0;border-bottom:3px solid transparent;border-radius:0;font-size:13px;color:var(--muted)}.tab.active{border-color:var(--green);color:var(--green)}.tab .icon{width:18px;height:18px}.tab span{background:#e5e8dc;border-radius:20px;padding:2px 7px;font-size:10px}.editor-block{position:relative;background:var(--white);border:1px solid var(--line);padding:25px;border-radius:15px;margin:0 0 25px;min-width:0}.editor-block legend{font-size:12px;padding:0 9px;font-weight:650;color:#607452}.block-tools{display:flex;gap:15px;justify-content:flex-end;margin:-5px 0 15px}.block-tools button{font-size:10px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}.two-fields>label{margin-bottom:15px}.panel{padding:26px;background:var(--white);border:1px solid var(--line);border-radius:15px;margin-bottom:24px}.panel h2{font-size:22px}.editor-sidebar .panel{padding:23px}.editor-sidebar h2{font-size:20px}.editor-sidebar .button+.button{margin-top:10px}.checkbox{display:flex;gap:12px;align-items:flex-start;font-size:12px;line-height:1.6;margin:10px 0 23px}.checkbox input{margin:2px 0 0}.editor-tip{background:#ecefdf;border-color:#dbe2ca}.editor-tip h3{font-family:Georgia,serif;font-weight:400;font-size:25px}.editor-tip p{font-size:12px}.editor-tip .hint{font-size:10px}.upload-label{cursor:pointer;width:max-content;max-width:100%;font-size:11px;gap:6px}.upload-label:focus-within{outline:3px solid #b5803a;outline-offset:4px}.media-editor{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:18px 0}.attachment{margin:14px 0}.attachment img{max-height:130px;display:block}.attachment audio{width:100%}.attachment .text-button{font-size:10px}.answer-edit label{display:flex;align-items:center;gap:12px;margin:12px 0}.answer-edit label input[type=text],.answer-edit label input:not([type]){margin:0!important}.answer-edit button{padding:8px}.pair-edit>div{display:grid;grid-template-columns:1fr 15px 1.4fr 20px;align-items:center;gap:10px;margin-bottom:10px}.pair-edit input{margin-top:0!important;font-size:12px!important}.pair-edit span{color:var(--muted)}.pair-edit .text-button{font-size:20px}.add-exercise{display:flex;gap:18px;align-items:end;border:1px dashed #bfcaba;border-radius:15px;padding:20px}.add-exercise label{flex:1}.settings-wrap,.legal-wrap,.setup-wrap{max-width:760px;margin:35px auto 50px}.settings-wrap h1{font-size:42px}.settings-wrap .panel h2{font-size:25px}.legal-wrap h1{font-size:42px}.legal-wrap .panel{margin-top:35px}.legal-wrap .panel p{font-size:13px;line-height:1.8}.setup-wrap h1{font-size:45px}.setup-wrap>p{max-width:620px;font-size:14px}.requirements{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}.requirements span{border:1px solid var(--line);border-radius:20px;padding:5px 10px;font-size:10px}.requirements .yes{background:#e6eddc;color:#365c3c}.requirements .no{background:#f7e1d4;color:#a04327}.setup-wrap fieldset{border:0;padding:10px 0;margin:20px 0}.setup-wrap legend{font-size:18px;font-weight:650;letter-spacing:-.5px}.setup-wrap .panel{padding:32px}
@media(min-width:1500px){.topbar{padding-top:34px;padding-bottom:34px}main{padding-top:15px}}
@media(max-width:1320px){main,.footer{margin-left:38px;margin-right:38px}.topbar{padding-left:38px;padding-right:38px}.hero-copy{padding-left:38px}.hero h1{font-size:clamp(2.6rem,4.8vw,4rem)}}
@media(max-width:1000px){.brand-label{display:none}.hero{min-height:385px;grid-template-columns:1.2fr 1fr}.hero-copy{padding:35px 0 30px 30px}.hero p{font-size:13px;max-width:330px}.hero-art{min-width:280px}.art-caption{font-size:7px;right:18px}.module-grid{gap:15px}.module-card{padding:20px}.module-card h2{font-size:20px}.card-meta{font-size:8px;gap:7px}.module-layout{gap:35px;grid-template-columns:205px minmax(0,1fr)}.lesson-title h1{font-size:37px}.admin-header{align-items:start;flex-direction:column}.admin-header h1{font-size:39px}.editor-grid{grid-template-columns:minmax(0,1fr) 245px;gap:20px}.editor-block{padding:20px}.media-editor{grid-template-columns:1fr}.lab-footer{flex-wrap:wrap;gap:8px}.lesson-end{flex-direction:column;align-items:start}.editor-header .toolbar .small{display:none}}
@media(max-width:720px){.topbar{padding:20px 22px;gap:15px}.brand{font-size:21px;gap:9px}.brand img{width:33px;height:33px}.topbar nav{gap:18px;font-size:11px}.topbar nav>a:first-child{display:none}main{margin:0 20px;padding-top:3px;padding-bottom:40px}.hero{grid-template-columns:1fr;border-radius:20px;min-height:0}.hero-copy{padding:31px 27px 0}.hero h1{font-size:43px;line-height:1.1}.hero p{font-size:13px;max-width:100%;margin-bottom:22px}.hero .eyebrow{font-size:8px;margin-bottom:20px}.hero-foot{margin-top:18px;font-size:9px}.hero-visual{height:195px;overflow:hidden;align-items:flex-end;justify-content:center;padding-right:15px}.hero-art{width:300px;min-width:0;position:absolute;right:14px;top:-17px;opacity:.9}.art-caption{bottom:17px;left:27px;right:auto;font-size:7px;max-width:110px;line-height:1.8}.section-heading{flex-direction:column;align-items:stretch;gap:20px}.section-heading h2{font-size:26px;max-width:310px}.section-heading .eyebrow{font-size:8px}.search{width:100%;padding:9px 12px}.search input{font-size:13px!important;margin:0!important;padding:0!important;background:none!important;border:0!important}.section-intro{font-size:12px;margin-top:15px}.module-area{padding-top:33px}.module-grid{grid-template-columns:1fr;gap:16px}.module-card{min-height:285px;padding:23px}.card-top{margin-bottom:22px}.module-card h2{font-size:26px}.module-card p{font-size:13px;max-width:none;margin-bottom:18px}.card-meta{font-size:9px;gap:16px}.card-bottom{font-size:11px}.card-number{font-size:36px}.module-symbol{width:52px;height:52px}.how{grid-template-columns:1fr;gap:25px;margin-top:32px}.how h3{font-size:14px}.how p{font-size:12px;max-width:none}.footer{margin:0 20px;flex-direction:column;padding-top:23px;font-size:10px;gap:18px}.footer>div{gap:22px;flex-wrap:wrap}.narrow{margin:20px auto 40px}.gate{padding:29px 24px}.gate h1{font-size:30px}.gate-icon{width:50px;height:50px}.gate .eyebrow{font-size:8px}.gate>p{font-size:13px}.back-link{font-size:11px;margin-bottom:22px}.module-layout{display:flex;flex-direction:column;gap:32px;padding-top:15px}.lesson-nav{position:static;display:flex;flex-direction:column;gap:0}.lesson-nav .back-link{order:-2}.lesson-nav .eyebrow{font-size:9px;order:-1}.lesson-nav h2{display:none}.lesson-links{display:none}.progress-box{margin:0;padding:0;border:0}.progress-box p{max-width:260px;margin-bottom:0}.progress-box .text-button{margin-bottom:4px}.lesson-nav>.button{margin-top:12px;width:auto;align-self:start;font-size:10px;padding:8px 12px}.progress-box label{font-size:11px}.lesson-nav .edit-link{font-size:11px;align-self:start;margin-top:5px}.lesson-title{margin-bottom:30px}.lesson-title h1{font-size:36px}.lesson-title>p{font-size:14px}.lesson-title .eyebrow{font-size:8px}.lesson-section h2{font-size:25px}.prose p{font-size:14px;line-height:1.85}.wave-lab{padding:17px}.lab-heading{font-size:11px}.lab-heading>.small{font-size:8px;text-align:right}.lab-controls{gap:20px}.lab-controls label{font-size:11px}.lab-controls output{font-size:10px}.lab-footer{align-items:start;flex-direction:column;gap:12px}.wave-lab canvas{height:135px}.exercise{padding:22px 18px}.exercise h3{font-size:22px}.exercise-actions{gap:15px;flex-wrap:wrap}.choice{font-size:12px;padding:12px 10px}.pairs label{grid-template-columns:1fr;gap:6px;padding-bottom:8px}.cloze{font-size:13px}.cloze input{width:125px!important;font-size:13px!important}.exercise-area>h2{font-size:30px}.lesson-end{font-size:10px}.lesson-end .button{font-size:12px}.admin-header{padding-top:28px;gap:20px}.admin-header h1{font-size:34px}.admin-header .eyebrow{font-size:8px}.admin-header .toolbar{gap:10px}.admin-header .button{font-size:11px;padding:11px 13px}.editor-header{padding-top:15px;align-items:end}.editor-header h1{font-size:27px}.editor-header .button{font-size:11px;padding:11px 13px;gap:7px}.editor-grid{display:flex;flex-direction:column;gap:25px}.editor-sidebar{order:0}.editor-block{padding:20px 16px;margin-bottom:22px}.editor-block>label{font-size:11px}.two-fields{gap:14px}.two-fields label{font-size:11px}.pair-edit>div{grid-template-columns:1fr 10px 1.2fr 15px;gap:6px}.pair-edit input{padding:9px!important;font-size:11px!important}.answer-edit label{gap:8px}.answer-edit input{font-size:12px!important}.add-exercise{gap:10px;padding:16px}.add-exercise .button{font-size:11px;padding:11px}.tab{font-size:12px;gap:7px}.settings-wrap,.legal-wrap,.setup-wrap{margin:25px auto 35px}.settings-wrap h1,.legal-wrap h1{font-size:34px}.setup-wrap h1{font-size:36px}.setup-wrap .panel,.settings-wrap .panel{padding:23px 18px}.setup-wrap>p{font-size:13px}.requirements{gap:7px}.requirements span{font-size:9px;padding:4px 9px}dialog{padding:33px 24px}dialog h2{font-size:25px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
@media print{.topbar,.footer,.lesson-nav,.exercise-actions,.wave-lab,.toast{display:none!important}main{max-width:none;margin:0}.module-layout{display:block}.exercise{break-inside:avoid}.lesson-section{break-inside:avoid}body{background:white}}

.search input[type=search]{border:0!important;border-radius:0!important;background:none!important;padding:2px 0!important;margin:0!important;font-size:12px!important;box-shadow:none!important}.upload-label{position:relative}.file-input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}

.youtube-block{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:25px 0;background:var(--white)}.youtube-slot{background:#eaf0e5;min-height:200px}.youtube-placeholder{padding:26px}.youtube-placeholder h3{font-size:22px;margin:0 0 12px}.youtube-placeholder p{font-size:13px;line-height:1.7;max-width:570px}.youtube-frame{display:block;width:100%;height:auto;aspect-ratio:16/9;min-height:200px;border:0}.youtube-tools{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:13px 18px;font-size:12px}.youtube-tools .text-button{font-size:12px}
.bell-lab{margin:26px 0;padding:25px;border:1px solid #cfdccd;background:#eef2e7;border-radius:16px}.bell-lab-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px}.bell-lab h3{font-size:26px;margin:8px 0 0;line-height:1.25}.bell-lab .eyebrow{font-size:9px;letter-spacing:1.7px}.bell-model-badge{font-size:10px;padding:7px 10px;background:#dfe8d5;border-radius:20px;white-space:nowrap}.bell-lab>p{font-size:13px;line-height:1.75}.bell-chart-scroll{overflow-x:auto;border:1px solid #d7e0cd;border-radius:12px;background:#fbfcf6;margin:22px 0 12px;overscroll-behavior-x:contain}.bell-chart-scroll svg{display:block;width:100%;min-width:640px;height:auto}.bell-grid-line{stroke:#dce3d5;stroke-width:1}.bell-axis{fill:none;stroke:#778b75;stroke-width:1.4}.bell-axis-title{fill:#405d46;font-size:14px;font-family:system-ui,sans-serif}.bell-tick{fill:#61745d;font-size:12px;font-family:system-ui,sans-serif}.bell-peak{fill:#3a6d50;stroke:#305f43;stroke-width:1.5;transition:fill .12s,stroke .12s}.bell-peak-label{fill:#315a3d;font-size:12px;font-weight:600;font-family:system-ui,sans-serif}.bell-off .bell-peak{fill:#e2e5dc;stroke:#9ca798;stroke-dasharray:3 2}.bell-off .bell-peak-label{fill:#7d8878}.bell-lab [data-bell-bar]{cursor:pointer;outline-offset:2px}.bell-lab [data-bell-bar]:focus-visible .bell-peak{stroke:#b56f24;stroke-width:4}.bell-chart-note{font-size:10px!important;display:flex;align-items:center;gap:7px;flex-wrap:wrap;color:var(--muted)}.bell-key{width:11px;height:11px;background:#3a6d50;border-radius:3px;display:inline-block}.bell-key.off{background:#d8ddd0;border:1px dashed #8b9883;margin-left:8px}.bell-partials{border:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:22px 0 10px;min-width:0}.bell-partials legend{font-weight:650;font-size:12px;margin-bottom:12px;padding:0}.bell-partial{display:flex;align-items:center;gap:10px;border:1px solid #d0dac7;border-radius:10px;background:#f9fbf5;padding:12px;margin:0;cursor:pointer}.bell-partial:has(input:checked){background:#e0ead6;border-color:#8ca57b}.bell-partial>span{display:flex;flex-direction:column;gap:4px}.bell-partial strong{font-size:17px;white-space:nowrap}.bell-partial small{font-size:10px;font-weight:400}.bell-partial>span>span{font-size:9px;color:var(--muted);font-weight:400}.bell-presets{display:flex;gap:25px;flex-wrap:wrap;margin:12px 0 25px}.bell-presets button{font-size:11px}.bell-playback{display:flex;gap:25px;justify-content:space-between;align-items:center}.bell-buttons{display:flex;gap:10px;flex-wrap:wrap}.bell-buttons .button{font-size:12px;padding:12px 15px}.bell-volume{font-size:11px;min-width:145px;max-width:200px;flex:1}.bell-volume output{float:right;font-weight:400}.bell-volume input{margin:10px 0 0}.bell-progress{margin:16px 0 9px;height:5px}.bell-status{font-size:11px!important;min-height:2em;margin-bottom:12px}.bell-model-note{border-top:1px solid #d2ddc8;padding-top:15px;font-size:10px!important;margin-bottom:0;color:var(--muted)}@media(max-width:720px){.bell-lab{padding:18px 15px}.bell-lab-heading{align-items:flex-start;flex-direction:column;gap:10px}.bell-lab h3{font-size:24px}.bell-partials{grid-template-columns:repeat(2,minmax(0,1fr))}.bell-playback{align-items:stretch;flex-direction:column;gap:18px}.bell-volume{max-width:none}.bell-chart-note{font-size:9px!important}.bell-partial strong{font-size:19px}.bell-buttons .button{font-size:11px}.bell-presets{gap:20px}.bell-lab .eyebrow{font-size:8px}}