:root{color-scheme:dark;--bg:#0b1221;--panel:#142034;--input:#1b2b42;--line:#34455f;--white:#f4f6f9;--muted:#a9bfd8;--gold:#fbcd65;--cyan:#80dce9;--paper:#f8f7f0;font-family:Arial,Helvetica,sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 100% 0,#123047 0,transparent 48%),var(--bg);color:var(--white);min-width:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}button,input,select{color:inherit}a{color:inherit;text-decoration:none}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,#jog:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}button{touch-action:manipulation}select{width:100%;min-height:48px;padding:11px 38px 11px 14px;border:1px solid #52627a;background:var(--input);border-radius:11px;font-weight:700;cursor:pointer}input[type=number]{-moz-appearance:textfield}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}[hidden]{display:none!important}.app-shell{max-width:1510px;padding:26px 36px 0;margin:auto}.brandbar{display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;gap:10px;align-items:center;font-size:21px;font-weight:900;letter-spacing:-.7px}.brand-icon{display:grid;place-items:center;border:2px solid var(--gold);color:var(--gold);width:35px;height:35px;font-size:15px;border-radius:9px;letter-spacing:-1px}.brand-light{font-weight:400}.edition{font-size:10px;text-transform:uppercase;letter-spacing:2px;color:var(--muted)}.edition b{color:var(--gold);margin-left:10px}.intro{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:35px 0 30px}.eyebrow{color:var(--cyan);font-weight:800;font-size:10px;letter-spacing:2px;margin:0 0 10px}h1{font-size:clamp(35px,4.6vw,64px);line-height:1.07;letter-spacing:-2.3px;margin:0;font-weight:900}h1 span{color:var(--gold)}.intro-copy{margin:14px 0 0;color:#c2d2e3;line-height:1.65;font-size:15px}.intro-copy span{color:var(--muted)}.intro-mark{display:flex;gap:7px;align-items:center;padding:15px 10px}.intro-mark i{display:block;width:5px;background:var(--gold);height:26px;border-radius:4px}.intro-mark i:nth-child(2n){height:54px;background:var(--cyan)}.intro-mark i:nth-child(3){height:78px}.workspace{display:grid;grid-template-columns:304px minmax(0,1fr);gap:22px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:24px}.training{grid-row:span 2;padding:24px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:800;letter-spacing:1.6px;font-size:10px;color:var(--cyan);margin-bottom:24px}.section-heading .muted{font-size:9px;font-weight:500;letter-spacing:1px}.spark{font-size:25px;color:var(--gold);line-height:1}.field-label{display:block;font-weight:700;margin:0 0 9px;font-size:13px}.muted{color:var(--muted)}.lesson-description{font-size:12px;line-height:1.6;min-height:38px;margin:10px 0 4px}.exercise-picker{display:flex;align-items:center;justify-content:center;gap:8px;margin:10px -12px 8px}.round-button{border:1px solid #475a73;background:var(--input);border-radius:50%;width:35px;height:35px;flex-shrink:0;font-size:25px;color:var(--cyan);line-height:1}#jog{width:170px;height:170px;position:relative;touch-action:none;cursor:grab;user-select:none;border-radius:50%;flex-shrink:0}#jog:active{cursor:grabbing}.dial-ring{position:absolute;inset:0;width:100%;height:100%;overflow:visible}.dial-base{fill:#101a2b;stroke:#41516a;stroke-width:1}.dial-dash{fill:none;stroke:#3b4c64;stroke-width:5;stroke-dasharray:1 8.95}.dial-ring g{transform-origin:90px 90px;fill:var(--gold)}.dial-inner{position:absolute;inset:23px;border:1px solid #3c5067;box-shadow:0 8px 20px #02071390,inset 0 1px 0 #ffffff10;border-radius:50%;background:linear-gradient(135deg,#23334a,#101a2b);display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none}.dial-inner span,.dial-inner small{font-size:9px;font-weight:700;letter-spacing:2px;color:var(--muted)}.dial-inner strong{font-size:47px;line-height:1.3;color:var(--gold);letter-spacing:-2px;font-variant-numeric:tabular-nums}.dial-inner small{font-size:8px;letter-spacing:1.3px}.direct-pick{display:flex;gap:8px;align-items:center;justify-content:space-between;font-size:10px}.direct-pick input{width:55px;border:1px solid #516079;background:var(--input);border-radius:7px;min-height:35px;text-align:center;font-variant-numeric:tabular-nums;font-weight:700}.divider{height:1px;background:var(--line);margin:21px 0}.tempo-heading{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:700}.tempo-heading>div{display:flex;align-items:baseline;gap:7px}.tempo-heading output{color:var(--gold);font-size:32px;font-weight:800;line-height:1}.tempo-heading span{color:var(--muted);font-size:10px;letter-spacing:1.5px}.tempo-unit{font-size:10px;margin:6px 0 12px}.tempo-slider{display:flex;align-items:center;gap:10px}.step-button{width:28px;height:28px;flex-shrink:0;border:1px solid var(--line);background:var(--input);border-radius:7px;font-size:20px;line-height:1}.tempo-slider input{--fill:25%;width:100%;height:7px;appearance:none;border-radius:6px;background:linear-gradient(to right,var(--gold) 0 var(--fill),#44536a var(--fill) 100%);cursor:pointer;min-width:0;margin:12px 0}.tempo-slider input::-webkit-slider-thumb{appearance:none;width:21px;height:21px;border:3px solid var(--gold);background:var(--panel);border-radius:50%}.tempo-slider input::-moz-range-thumb{width:16px;height:16px;border:3px solid var(--gold);background:var(--panel);border-radius:50%}.range-label{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;margin:4px 0 0}.settings{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}.settings summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:700;min-height:24px}.settings summary::-webkit-details-marker{display:none}.settings[open] summary>span{transform:rotate(180deg)}.settings-body{padding-top:16px}.count-setting{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:12px;font-weight:700}.count-setting select{width:105px;min-height:38px;padding:7px 12px;font-size:12px}.tiny{font-size:10px;line-height:1.5;margin:9px 0 12px}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px}.toggle-row label{font-size:12px;font-weight:700}.toggle-row small{display:block;font-size:10px;color:var(--muted);margin-top:4px;line-height:1.4}.switch{border:1px solid #52647d;border-radius:20px;width:44px;height:26px;padding:3px;flex-shrink:0;background:#34455e}.switch span{display:block;width:18px;height:18px;border-radius:50%;background:var(--muted);transition:transform .15s,background .15s}.switch[aria-checked=true]{background:var(--gold);border-color:var(--gold)}.switch[aria-checked=true] span{transform:translateX(17px);background:var(--bg)}.score-panel{padding:28px;position:relative;overflow:hidden;container-type:inline-size}.exercise-heading{display:flex;justify-content:space-between;gap:16px;align-items:center}h2{font-size:30px;line-height:1.2;margin:0;letter-spacing:-1px}h2 span{color:var(--gold);font-variant-numeric:tabular-nums;margin-left:5px}.meter-badge{border:1px solid #60718a;border-radius:30px;padding:9px 15px;text-transform:uppercase;font-size:11px;font-weight:800;letter-spacing:1px;white-space:nowrap}.exercise-heading+.muted{font-size:12px;line-height:1.5;margin:10px 0 22px}.pulse-row{display:flex;align-items:center;gap:14px;margin:18px 0}.pulse-dots{display:flex;gap:7px}.pulse-dots span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#22344b;border:1px solid #475970;color:var(--muted);font-size:10px;font-weight:700;font-variant-numeric:tabular-nums}.pulse-dots span.active{background:var(--gold);color:var(--bg);border-color:var(--gold);box-shadow:0 0 0 3px #fbcd651c}.pulse-label{font-size:11px;color:var(--muted);flex:1;min-width:0}.text-button{background:none;border:0;color:var(--cyan);font-weight:700;font-size:11px;padding:10px 0;min-height:40px;white-space:nowrap}.score-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.bar{background:var(--paper);color:#172338;border:2px solid transparent;border-radius:12px;position:relative;overflow:hidden;padding:7px 5px 2px;min-width:0;text-align:left;box-shadow:0 2px 4px #00000012}.bar-label{display:flex;justify-content:space-between;padding:2px 7px 3px;font-size:9px;text-transform:uppercase;font-weight:800;letter-spacing:1px;color:#748191}.bar.selected{border-color:#8699a8}.bar.active{border-color:var(--gold);box-shadow:0 0 0 2px #fbcd6533}.bar.active .bar-label{color:#805b08}.bar svg{width:100%;height:auto;display:block;overflow:hidden;aspect-ratio:2/1}.cursor{stroke:#168da0;stroke-width:13;opacity:.92;pointer-events:none}.cursor-tip{fill:#168da0;pointer-events:none}.bar:not(.active) .cursor,.bar:not(.active) .cursor-tip{display:none}.score-hint{font-size:10px;color:var(--muted);line-height:1.7;margin:15px 0 0}.score-hint>span{color:var(--cyan);font-weight:700;font-size:15px;margin-right:5px}.count-overlay{position:absolute;inset:140px 20px 135px;pointer-events:none;display:grid;place-items:center;z-index:2}.count-overlay>div{background:#0b1221ed;border:1px solid #5c6d84;box-shadow:0 15px 60px #0006;border-radius:22px;padding:22px 35px;text-align:center;min-width:190px;backdrop-filter:blur(12px)}.count-overlay small{font-size:10px;color:var(--cyan);font-weight:800;letter-spacing:2px}.count-overlay strong{display:block;font-size:70px;line-height:1.3;color:var(--gold);font-variant-numeric:tabular-nums}.count-overlay span{display:block;color:var(--muted);font-size:11px}.session-note{display:flex;align-items:flex-start;gap:15px;background:#1b2b404a;border:1px solid #34455f80;padding:18px;border-radius:13px;margin-top:24px}.mini-mark{color:var(--gold);font-size:25px;line-height:1}.session-note strong{font-size:12px}.session-note p{font-size:11px;line-height:1.7;color:var(--muted);margin:5px 0 0}.transport{grid-column:2;display:flex;align-items:center;gap:20px;padding:20px 24px;position:sticky;bottom:14px;z-index:10;box-shadow:0 15px 40px #0004;flex-wrap:wrap;overflow:hidden}.transport-status{display:flex;align-items:center;gap:11px;flex:1;min-width:140px}.transport-status>span{width:9px;height:9px;background:var(--cyan);border-radius:50%;box-shadow:0 0 0 5px #80dce91a;flex-shrink:0}.transport-status>span.playing{background:var(--gold);box-shadow:0 0 0 5px #fbcd651a}.transport-status strong{font-size:12px}.transport-status small{display:block;color:var(--muted);font-size:10px;margin-top:5px;line-height:1.4}.transport-actions{display:flex;gap:8px;align-items:center}.primary-button{border:0;background:var(--gold);color:#111e32;font-weight:800;font-size:13px;min-height:48px;min-width:132px;padding:12px 19px;border-radius:12px;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 3px 0 #bb8f36}.primary-button:hover{background:#ffda83}.primary-button svg{fill:currentColor;width:21px;height:21px}.stop-button{border:1px solid #566880;background:var(--input);border-radius:11px;height:48px;padding:10px 13px;display:flex;align-items:center;gap:6px;font-size:11px}.stop-button svg{fill:currentColor;width:19px;height:19px}.next-exercise{margin-left:auto;display:flex;align-items:center;gap:14px}.next-exercise>span{font-size:22px;font-weight:400}.playback-progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:#34455f}.playback-progress>div{height:100%;background:var(--gold);width:0}footer{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:10px;color:#8fa5c0;border-top:1px solid #34455f80;padding:23px 0;margin-top:28px;line-height:1.5}footer a{color:var(--cyan)}.error{background:#6d2734;color:#fff1f1;border:1px solid #c87d83;border-radius:12px;padding:16px;line-height:1.5}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@container(min-width:740px){.score-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(min-width:1600px){.score-panel{padding:34px}.workspace{grid-template-columns:320px minmax(0,1fr)}}
@media(max-width:1050px){.app-shell{padding:22px 22px 0}.workspace{grid-template-columns:276px minmax(0,1fr);gap:16px}.training{padding:20px}.score-panel{padding:23px}.transport{padding:17px;gap:14px}.next-exercise{width:100%;justify-content:flex-end;min-height:20px;padding:0}.intro-copy span{display:none}.intro-mark{display:none}.pulse-row{flex-wrap:wrap}.pulse-row .text-button{margin-left:auto}.stop-button span{display:none}}
@media(max-width:760px){.app-shell{padding:18px 16px 120px}.edition{font-size:8px;letter-spacing:1px}.edition b{margin-left:6px}.brand{font-size:18px}.brand-icon{height:31px;width:31px}.intro{padding:29px 0 23px}.eyebrow{font-size:8px;letter-spacing:1.4px}h1{font-size:36px;letter-spacing:-1.5px}h1 span{display:block}.intro-copy{font-size:12px;margin-top:12px}.workspace{display:flex;flex-direction:column;gap:16px}.training,.score-panel{width:100%;border-radius:20px}.training{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;padding:19px}.training>.section-heading,.training>.field-label,.training>select,.lesson-description,.training>.divider,.settings{grid-column:1/-1}.training>.section-heading{margin-bottom:18px}.lesson-description{min-height:0;margin-bottom:14px}.exercise-picker{grid-column:1;grid-row:5/span 4;margin:0 -10px 0 -7px;gap:3px}#jog{width:122px;height:122px}.dial-inner{inset:17px}.dial-inner strong{font-size:34px}.dial-inner span{font-size:8px}.dial-inner small{font-size:7px}.round-button{width:25px;height:29px;border:0;background:transparent}.direct-pick{grid-column:1;grid-row:9;justify-content:center;margin-top:10px}.direct-pick>span{display:none}.direct-pick input{width:70px;min-height:32px}.training>.divider{display:none}.tempo-heading{grid-column:2;grid-row:5;margin-top:14px;font-size:12px}.tempo-heading output{font-size:28px}.tempo-heading span{font-size:8px;margin-left:-3px}.tempo-unit{grid-column:2;grid-row:6;line-height:1.5;min-height:28px;margin:6px 0 0;font-size:9px}.tempo-slider{grid-column:2;grid-row:7;gap:8px}.step-button{width:27px;height:29px}.range-label{grid-column:2;grid-row:8;font-size:8px;margin:7px 0}.settings{margin-top:19px;padding-top:14px}.settings summary{min-height:30px}.settings-body{display:grid;grid-template-columns:1fr 1fr;gap:4px 24px;padding-top:14px}.count-setting,.settings-body>.tiny{grid-column:1/-1}.toggle-row{gap:10px}.toggle-row small{font-size:9px}.toggle-row:last-child{grid-column:1/-1;max-width:calc(50% - 12px)}.score-panel{padding:19px}.score-panel>.section-heading{font-size:9px;margin-bottom:20px}.section-heading .muted{font-size:8px}h2{font-size:26px}.meter-badge{font-size:9px;padding:8px 11px}.exercise-heading+.muted{font-size:11px;margin-bottom:15px}.pulse-row{gap:10px;margin:14px 0}.pulse-dots{gap:5px}.pulse-dots span{width:22px;height:22px;font-size:9px}.pulse-label{font-size:10px;min-width:100px}.pulse-row .text-button{font-size:10px;min-height:24px;padding:2px 0}.score-grid{gap:9px}.bar{border-radius:9px;padding:5px 2px 1px}.bar-label{font-size:8px;padding-left:6px}.score-hint{font-size:9px}.session-note{padding:14px;margin-top:18px;gap:11px}.session-note p{font-size:10px}.count-overlay{inset:130px 15px 130px}.transport{position:fixed;bottom:0;left:0;right:0;width:100%;border-radius:18px 18px 0 0;gap:10px;padding:12px 16px calc(13px + env(safe-area-inset-bottom));box-shadow:0 -6px 30px #0005;border-bottom:0}.transport-status{min-width:0}.transport-status strong{font-size:11px}.transport-status small{font-size:9px}.primary-button{min-width:110px;min-height:45px;font-size:12px;padding:10px 13px}.stop-button{height:45px;padding:9px}.next-exercise{display:none}.transport-actions{gap:7px}.transport-status>span{width:7px;height:7px;box-shadow:none}.playback-progress{top:0;bottom:auto}footer{flex-wrap:wrap;margin-top:24px;padding:18px 0;font-size:9px}footer>span:nth-child(2){display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}