:root {
  --bg:#f6f5f0; --paper:#fffefa; --ink:#263b30; --muted:#667367;
  --line:#dce1d6; --accent:#a84f2d; --soft:#f4e7da; --green:#315c48; --wash:#eaf0e6;
  --mono:ui-monospace,SFMono-Regular,Consolas,monospace;
  color:var(--ink); background:var(--bg); font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;
  font-synthesis:none;
}
*{box-sizing:border-box} body{margin:0;padding-bottom:calc(82px + env(safe-area-inset-bottom))}
button,input,select,textarea{font:inherit;color:inherit} button{cursor:pointer;border:0;background:none;touch-action:manipulation}
a{color:inherit} button:disabled{opacity:.42;cursor:default} button,select{min-height:40px}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid #6e8c6a;outline-offset:3px}
input,select,textarea{border:1px solid var(--line);background:var(--paper);border-radius:9px;padding:9px 11px;max-width:100%}
input[type=checkbox]{accent-color:var(--green);width:17px;height:17px;margin:0;flex-shrink:0}
input[type=range]{appearance:none;-webkit-appearance:none;width:100%;height:28px;padding:0;background:transparent;border:0;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:8px;background:#d5dccf}
input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:15px;height:15px;margin-top:-5.5px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--bg)}
input[type=range]::-moz-range-track{height:4px;border-radius:8px;background:#d5dccf}
input[type=range]::-moz-range-thumb{width:15px;height:15px;border:0;border-radius:50%;background:var(--accent)}
textarea{width:100%;resize:vertical;line-height:1.8} h1,h2,h3,p{margin:0} h2{font-size:22px;font-weight:600}h3{font-size:18px;font-weight:600}
svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}
.skip-link{position:fixed;top:-100px;left:20px;z-index:30;background:var(--paper);padding:12px;border-radius:8px}.skip-link:focus{top:12px}
.topbar{min-height:88px;border-bottom:1px solid var(--line);padding:16px 30px;display:flex;gap:30px;align-items:center;background:var(--paper)}
.brand{display:flex;gap:14px;align-items:center;text-decoration:none;font-size:14px;font-weight:650;letter-spacing:2px;min-width:220px}
.brand-mark{font:italic 43px Georgia,serif;letter-spacing:-6px;color:var(--accent);width:38px}
.brand small{display:block;font-size:11px;letter-spacing:1px;color:var(--muted);font-weight:400;margin-top:2px}
.edition{display:flex;align-items:center;gap:10px;font:11px var(--mono);letter-spacing:1px}.edition-dot{width:6px;height:6px;background:var(--green);border-radius:50%}.edition-separator{color:#a4afa0;margin:0 3px}.header-note{margin-left:auto;font-size:12px;color:var(--muted)}
.outline{border:1px solid var(--line);background:var(--paper);padding:8px 13px;border-radius:9px;white-space:nowrap}
.solid{background:var(--green);color:#fff;padding:9px 15px;border-radius:9px}.text-button{color:var(--accent);padding:6px 4px;font-size:12px}
.workspace{display:grid;grid-template-columns:240px minmax(0,1fr) 276px;max-width:1600px;margin:auto;min-height:calc(100dvh - 170px)}
.sidebar{border-right:1px solid var(--line);padding:28px 17px 20px;position:sticky;top:0;height:calc(100dvh - 82px);max-height:1100px;min-height:0}
#directory{height:100%}.directory-toggle{display:none}.directory-content{height:100%;display:flex;flex-direction:column;min-height:0}
.eyebrow{font-family:var(--mono);font-size:10px;letter-spacing:1.6px;color:var(--muted);display:block}
.side-head h2{margin:8px 0 18px;font-size:18px}.side-head h2 span{font-size:12px;color:var(--muted);font-weight:400;margin-left:5px}
.switch{display:flex;background:#e7ebe2;border-radius:10px;padding:3px;margin-bottom:12px}.switch button{flex:1;padding:6px 4px;border-radius:7px;font-size:12px;min-height:34px}.switch button[aria-pressed=true]{background:var(--paper);box-shadow:0 1px 3px #24332d12}
.sidebar input[type=search]{width:100%;font-size:13px}.progress-summary{margin:17px 2px;font-size:11px;color:var(--muted)}.progress-track{height:3px;background:var(--line);margin-top:8px;border-radius:3px;overflow:hidden}.progress-track div{height:100%;background:var(--green);width:0;transition:width .2s}
.sidebar nav{overflow:auto;flex:1;min-height:0;scrollbar-width:thin;scrollbar-color:#ccd5c5 transparent;padding-right:3px;overscroll-behavior:contain}
.list-section{font-size:11px;color:var(--muted);margin:17px 8px 7px}.list-section:first-child{margin-top:3px}
.line-item{width:100%;display:grid;grid-template-columns:20px minmax(0,1fr);gap:8px;text-align:left;padding:11px 9px;border-radius:8px;margin-bottom:3px;border-left:2px solid transparent}
.line-item[aria-current=true]{background:var(--soft);border-left-color:var(--accent)}.line-num{color:var(--muted);font:11px var(--mono);padding-top:4px}.line-text{font-size:13px;line-height:1.55;overflow-wrap:anywhere}.line-meta{font-size:10px;color:var(--muted);display:block;margin-top:5px}.line-item.learned .line-num{color:var(--green)}
.side-foot{font-size:10px;color:var(--muted);padding-top:14px;border-top:1px solid var(--line);margin-top:16px}
main{container-type:inline-size;padding:32px clamp(24px,3vw,46px) 30px;min-width:0}.song-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:27px;gap:20px}.song-header h1{font:400 54px/1.15 Georgia,"Times New Roman",serif;letter-spacing:-2px;margin:8px 0}.song-header p{font-size:13px;color:var(--muted)}
.duration{font:12px var(--mono);font-variant-numeric:tabular-nums;color:var(--muted);border:1px solid var(--line);width:56px;height:56px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}
.practice{border-top:1px solid var(--line);padding-top:22px;scroll-margin-top:20px;outline:none}.sentence-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.sentence-top>div{display:flex;align-items:center;gap:10px}.section-label{font-size:11px;letter-spacing:.3px;background:var(--wash);color:var(--green);padding:5px 8px;border-radius:5px;white-space:nowrap}.muted{color:var(--muted);font-size:12px}.version-label{font-size:11px;color:var(--muted);display:flex;gap:8px;align-items:center}.version-label select{padding:5px 8px;min-height:32px;font-size:11px;max-width:170px}
.lyrics{font:400 clamp(29px,2.7vw,40px)/1.65 Georgia,"Times New Roman",serif;letter-spacing:-.55px;margin:25px 0 12px;text-wrap:pretty}.lyrics button{font:inherit;letter-spacing:inherit;min-height:0;padding:0 1px;line-height:1.5;border-bottom:2px solid transparent;border-radius:3px;color:inherit;transition:color .1s,background .1s;max-width:100%;overflow-wrap:anywhere}.lyrics button.active-word{color:var(--accent);border-bottom-color:var(--accent);background:#f4e7da99}.lyrics button.selected-word{background:var(--soft);border-bottom-color:#d1a07e}
.translation{color:#536658;font-size:14px;line-height:1.9}.adlibs{color:var(--muted);font-size:11px;margin-top:7px}.adlibs:empty{display:none}.word-hint{font-size:11px;color:var(--muted);margin:12px 0 25px}.word-hint span{display:inline-block;margin-left:5px}
.mode-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.mode-grid button{display:grid;grid-template-columns:26px minmax(0,1fr);column-gap:10px;align-content:center;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:16px 14px;text-align:left;min-height:82px;transition:background .15s,border-color .15s}.mode-number{grid-row:span 2;display:grid;place-items:center;align-self:center;width:26px;height:26px;border-radius:50%;font:11px var(--mono);background:var(--wash);color:var(--green)}.mode-grid strong{font-size:14px;font-weight:600;line-height:1.6;white-space:nowrap}.mode-grid small{font-size:11px;display:block;margin-top:3px;color:var(--muted);line-height:1.6}.mode-grid button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}.mode-grid button[aria-pressed=true] small{color:#e2e9df}.mode-grid button[aria-pressed=true] .mode-number{background:#ffffff20;color:white}
.status-line{display:flex;align-items:center;gap:9px;margin:10px 0 22px;min-height:44px}.status-line p{font-size:12px;flex:1;color:var(--green);line-height:1.7}#activity-dot{width:6px;height:6px;border-radius:50%;background:#c5cebe;flex-shrink:0}#activity-dot.on{background:var(--accent)}
.practice-settings{margin:0 0 26px;padding:20px 22px 0;border:1px solid var(--line);border-radius:12px;background:#fbfcf7}
.settings-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:18px}.settings-heading h3{font-size:14px;font-weight:600}.settings-heading>span{font-size:12px;color:var(--muted)}
.settings{display:grid;grid-template-columns:minmax(220px,2fr) repeat(3,minmax(110px,1fr));gap:16px;align-items:end}.settings>label,.speed-field{min-width:0}
.field-label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px;line-height:1.5}.speed-field>.field-label{display:flex;align-items:center;justify-content:flex-start;gap:9px}.field-label small{font-size:11px;font-weight:400;color:#849080}
.speed-buttons{display:flex;gap:2px;padding:3px;height:44px;background:#e9eee4;border:1px solid #e0e6d9;border-radius:8px}.speed-buttons button{flex:1;min-width:0;height:36px;min-height:36px;padding:0 5px;font-size:13px;font-weight:500;font-variant-numeric:tabular-nums;line-height:1;border:0;border-radius:5px;background:transparent;color:var(--muted)}.speed-buttons button[aria-pressed=true]{background:var(--green);color:#fff;box-shadow:0 1px 3px #263b301a}
select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23667367' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px;cursor:pointer}
.settings select{display:block;width:100%;height:44px;min-height:44px;padding:0 36px 0 13px;border:1px solid #d5ddcf;border-radius:8px;background-color:var(--paper);font-size:13px;font-weight:500;line-height:normal}.settings select:hover{border-color:#9baa92}
.options{display:flex;gap:8px 24px;flex-wrap:wrap;margin-top:18px;padding:13px 0;border-top:1px solid #e2e7dc}.options label{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--muted);min-height:28px;cursor:pointer}.options label:has(:checked){color:var(--green)}
.options input{appearance:none;-webkit-appearance:none;width:16px;height:16px;border:1px solid #a8b6a0;border-radius:4px;background-color:var(--paper);padding:0}.options input:checked{background-color:var(--green);border-color:var(--green);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m3.5 8 3 3 6-6'/%3E%3C/svg%3E");background-size:14px;background-position:center}
.wave-section{margin-top:21px}.wave-label{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);gap:12px}#time-range{font:11px var(--mono);font-variant-numeric:tabular-nums}#wave{width:100%;height:72px;display:block;margin-top:9px}#seek{display:block;margin:0}.wave-bottom{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:10px;margin-top:1px}#play-time{font:11px var(--mono);font-variant-numeric:tabular-nums}
.phrase-notes{margin-top:25px;padding:19px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.phrase-notes p{font-size:13px;color:#536658;margin-top:8px;line-height:1.9}.phrase-buttons{display:flex;flex-wrap:wrap;gap:7px;margin-top:11px}.phrase-buttons:empty{display:none}.phrase-buttons button{font:14px Georgia,serif;background:var(--wash);padding:7px 10px;min-height:32px;border-radius:6px;color:var(--green)}
.calibration{margin-top:19px;font-size:12px}.calibration summary{color:var(--muted);cursor:pointer;padding:6px 0;min-height:36px}.calibration summary span{font-size:10px;margin-left:8px;color:#7d8778}.calibration p{margin-top:10px;line-height:1.8}.calibration-fields{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin:15px 0}.calibration-fields label{display:block;color:var(--muted);font-size:11px}.calibration-fields input{display:block;width:110px;font:13px var(--mono);margin-top:5px}.calibration button{font-size:11px}.full-seek-label{display:block;font-size:11px;color:var(--muted)}.full-seek-label input{display:block;margin:5px 0}.navigation{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:23px}.navigation button{font-size:12px}.learned-button{color:var(--green);padding:8px 10px;border-radius:8px}.learned-button[aria-pressed=true]{background:var(--wash)}
.source-note{font-size:11px;color:var(--muted);margin-top:23px}.source-note summary{cursor:pointer;padding:5px 0}.source-note p{margin-top:8px;line-height:1.9}
.study-panel{border-left:1px solid var(--line);background:#eef1e9;padding:27px 23px;min-width:0;scroll-margin-top:15px}.panel-tabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin-bottom:25px}.panel-tabs button{font-size:13px;color:var(--muted);padding:0 0 11px;border-bottom:2px solid transparent;min-height:36px}.panel-tabs button[aria-pressed=true]{color:var(--ink);border-color:var(--green)}.dictionary-empty{padding:15px 0 24px}.book-glyph{font:52px Georgia,serif;color:#9da992;margin-bottom:20px}.dictionary-empty h3{font-size:17px;margin-bottom:9px}.dictionary-empty p{font-size:13px;color:var(--muted);line-height:1.9}#word-title{font:32px/1.3 Georgia,serif;margin-top:11px;overflow-wrap:anywhere}.ipa{font:16px/1.7 Georgia,serif;color:var(--muted);margin:8px 0 17px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.row button{font-size:12px}.word-meaning{margin:23px 0 15px;white-space:pre-line;font-size:14px;line-height:1.9}.small{font-size:11px;color:var(--muted);overflow-wrap:anywhere}#return-line{margin-top:12px;min-height:42px}
.lookup-box{border-top:1px solid var(--line);margin-top:25px;padding-top:20px}.lookup-box form{display:flex;gap:6px}.lookup-box input{min-width:0;width:100%;font-size:13px}.lookup-box button{font-size:12px}.lookup-box small{display:block;font-size:11px;color:var(--muted);margin-top:11px;line-height:1.8}.study-tip{margin-top:35px;padding-top:21px;border-top:1px solid var(--line)}.study-tip span{font-size:11px;color:var(--muted)}.study-tip p{font:17px/1.9 Georgia,"Songti SC",serif;margin:11px 0 15px}.study-tip small{display:block;color:var(--muted);font-size:11px;line-height:1.9}.storage-notice{margin-top:27px;font-size:11px;color:var(--muted);line-height:1.8}.study-panel h3{margin:10px 0 14px}#notes-panel .field-label{margin-bottom:10px}#save-status{margin:8px 0 18px}#vocabulary-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}#vocabulary-list button{background:var(--paper);padding:7px 10px;border:1px solid var(--line);border-radius:7px;font-size:13px}
.transport{position:fixed;z-index:10;left:0;right:0;bottom:0;height:calc(82px + env(safe-area-inset-bottom));padding:0 30px env(safe-area-inset-bottom);background:#263b30;color:#eef2e9;display:flex;gap:20px;justify-content:space-between;align-items:center;border-top:1px solid #ffffff12}.transport-title{width:260px;min-width:0}.transport-title span{display:block;font-size:13px}.transport-title small{display:block;font-size:11px;color:#b4c1b0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.transport-buttons{display:flex;align-items:center;gap:12px}.transport-buttons>button{color:inherit;display:grid;place-items:center;min-width:42px;min-height:44px}.transport-buttons .play-circle{width:46px;height:46px;background:#eef2e9;color:#263b30;border-radius:50%}.play-circle svg{width:22px;height:22px}.transport-buttons .outline{display:block;background:transparent;border-color:#71816e;font-size:12px;margin-left:8px}.transport #transport-state{font:11px var(--mono);color:#c1cdbb;width:170px;text-align:right}.load-error{position:fixed;z-index:20;inset:25% 20px auto;margin:auto;max-width:420px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:30px;box-shadow:0 12px 50px #263b3026;text-align:center}.load-error a{display:inline-block;margin-top:15px;color:var(--accent)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}[hidden]{display:none!important}.error{color:#a53827!important}.loading .practice,.loading .transport-buttons{opacity:.5;pointer-events:none}
@media(hover:hover){.outline:hover:not(:disabled),.speed-buttons button:hover{border-color:#9cac94}.mode-grid button:hover{border-color:#8da284;background:#f0f4ec}.mode-grid button[aria-pressed=true]:hover{background:var(--green)}.line-item:hover:not([aria-current=true]){background:#edf0e7}.lyrics button:hover{color:var(--accent);border-bottom-color:#d1a07e}.text-button:hover{text-decoration:underline;text-underline-offset:4px}}
@media(max-width:1180px){.workspace{grid-template-columns:215px minmax(0,1fr)}.sidebar{grid-row:span 2}.study-panel{grid-column:2;border-left:0;border-top:1px solid var(--line);padding:27px 32px;display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:0 35px}.panel-tabs{grid-column:1}.study-panel>section{grid-column:1}.study-tip{grid-column:2;grid-row:1 / span 3;margin:0;padding:0 0 0 25px;border-top:0;border-left:1px solid var(--line)}.storage-notice{grid-column:1}.topbar{padding:16px 24px;gap:22px}.brand{min-width:190px}main{padding:30px 32px}.lyrics{font-size:36px}.mode-grid{gap:8px}.mode-grid button{padding:12px 10px}.transport-title{width:200px}}
@media(min-width:761px) and (max-width:1000px){.mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mode-grid button{min-height:82px}.study-panel{display:block}.study-tip{margin-top:28px;padding:20px 0 0;border-left:0;border-top:1px solid var(--line)}}
@media(max-width:760px){
 body{padding-bottom:calc(74px + env(safe-area-inset-bottom))}.topbar{min-height:76px;padding:12px 18px;gap:12px;justify-content:space-between}.brand{min-width:0;font-size:12px;gap:11px}.brand-mark{font-size:36px;width:31px}.brand small{font-size:10px;letter-spacing:.3px}.edition{font-size:10px;gap:7px;letter-spacing:.4px}.edition-separator,.header-note{display:none}.edition-dot{width:5px;height:5px}
 .workspace{display:block}.sidebar{height:auto;max-height:none;position:static;padding:0 18px;border-right:0;border-bottom:1px solid var(--line)}#directory{height:auto}.directory-toggle{list-style:none;display:flex;align-items:center;justify-content:space-between;min-height:52px;font-size:13px;cursor:pointer}.directory-toggle::-webkit-details-marker{display:none}.directory-toggle>span:last-child{color:var(--muted);font-size:11px;display:flex;align-items:center;gap:8px}.directory-toggle svg{width:17px;height:17px}#directory[open] .directory-toggle svg{transform:rotate(180deg)}.directory-content{height:auto;padding-bottom:17px}.side-head,.side-foot{display:none}.sidebar nav{max-height:250px;flex:auto}.sidebar .progress-summary{margin:13px 0}.sidebar .line-text{font-size:14px}
 main{padding:25px 20px}.song-header{margin-bottom:24px}.song-header h1{font-size:44px}.song-header .eyebrow{font-size:8px;letter-spacing:1.1px}.song-header p{font-size:12px}.duration{width:48px;height:48px}.practice{padding-top:19px;scroll-margin-top:12px}.sentence-top{gap:11px}.version-label{font-size:11px}.lyrics{font-size:31px;line-height:1.65;letter-spacing:-.5px;margin:23px 0 14px}.translation{font-size:14px}.word-hint{font-size:11px;margin-bottom:23px;line-height:1.8}.word-hint span{display:block;margin-left:0}.mode-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mode-grid button{padding:14px 11px;min-height:85px}.mode-grid strong{font-size:15px}.mode-grid small{font-size:12px}.mode-number{margin:0}.status-line{margin-bottom:20px;min-height:48px}.status-line p{font-size:12px}.wave-bottom{font-size:10px}.wave-bottom span:last-child{max-width:200px;text-align:right}.phrase-notes p{font-size:14px}.navigation{gap:5px;flex-wrap:wrap}.navigation button{font-size:12px;padding:8px 9px}.calibration-fields{gap:9px}.calibration-fields input{width:120px}.calibration-fields button{min-height:40px}.source-note{font-size:11px}
 .study-panel{display:block;padding:25px 20px;border-left:0;border-top:1px solid var(--line)}.study-tip{margin-top:28px;padding:20px 0 0;border-left:0;border-top:1px solid var(--line)}.panel-tabs{gap:28px;margin-bottom:20px}.panel-tabs button{font-size:14px}.dictionary-empty{padding-top:8px}.book-glyph{font-size:42px;margin-bottom:10px}.lookup-box input,textarea{font-size:16px}.storage-notice{margin-top:20px}.transport{height:calc(74px + env(safe-area-inset-bottom));padding:0 16px env(safe-area-inset-bottom);gap:8px}.transport-title{display:none}.transport-buttons{gap:6px}.transport-buttons .outline{margin-left:3px;padding:8px 10px;font-size:11px}.transport #transport-state{width:auto;flex:1;min-width:0;font-size:10px}.transport-buttons>button{min-width:38px}
}
@media(max-width:360px){.edition{display:none}.lyrics{font-size:28px}.transport{padding-left:10px;padding-right:10px}.transport-buttons{gap:2px}.navigation .learned-button{order:3;width:100%}.navigation #next{margin-left:auto}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Secondary controls share the same sizing and alignment rules. */
.version-label select{min-height:36px;padding:0 32px 0 11px;background-position:right 10px center;font-size:12px;max-width:180px}.version-label select:disabled{cursor:default;opacity:.7;background-image:none;padding-right:11px}
.outline,.solid{min-height:40px;border-radius:8px;font-size:12px;font-weight:500}.solid{border:1px solid var(--green)}
.calibration{margin-top:20px;border:1px solid var(--line);border-radius:10px;background:#f9faf5;padding:0 16px}.calibration summary{padding:13px 0;font-size:12px;color:var(--ink)}.calibration summary span{font-size:11px}.calibration[open]{padding-bottom:18px}.calibration p{margin-top:4px;max-width:72ch}.calibration-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0 12px;max-width:440px}.boundary-field label{font-size:12px;display:block;color:var(--muted)}.calibration-fields input{width:100%;height:42px;margin-top:8px;font-size:13px}.boundary-field .text-button{font-size:11px;min-height:30px;padding:5px 0;color:var(--green)}.calibration-actions{display:flex;gap:8px;padding-bottom:18px;margin-bottom:16px;border-bottom:1px solid var(--line)}.calibration-actions button{min-width:88px}.calibration .row{margin-top:6px}
.phrase-notes{padding:20px 0}.phrase-notes p{max-width:76ch}.wave-label{font-size:12px}.wave-bottom{font-size:11px}.panel-tabs button{min-height:40px}.lookup-box input{height:42px}.lookup-box button{height:42px}.status-line{margin:9px 0 17px;min-height:40px}.status-line p{font-size:12px}
@container(max-width:720px){.settings{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.speed-field{grid-column:1 / -1}.speed-field>.field-label{justify-content:flex-start}.speed-buttons{max-width:100%}.mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.settings-heading>span{font-size:11px}}
@container(max-width:400px){.practice-settings{padding:17px 14px 0}.settings-heading{align-items:flex-start;flex-direction:column;gap:3px;margin-bottom:16px}.settings{gap:16px 8px}.settings select{font-size:13px;padding-left:9px;padding-right:25px;background-position:right 7px center}.options{gap:3px 16px;margin-top:16px;padding:11px 0}.options label{min-height:32px;font-size:11px}.settings .field-label{font-size:12px}.field-label small{font-size:10px}.mode-grid{gap:8px}.mode-grid button{column-gap:7px;grid-template-columns:23px minmax(0,1fr);padding:13px 10px}.mode-number{width:23px;height:23px;font-size:10px}.mode-grid strong{font-size:14px}.mode-grid small{font-size:11px}}
@container(max-width:300px){.settings{grid-template-columns:repeat(2,minmax(0,1fr))}.settings>label:last-child{grid-column:1 / -1}.settings select{font-size:13px}.calibration-fields{gap:10px}.boundary-field .text-button{font-size:10px}}