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red)){.matrix-cells>button.chosen,.quaver-grid>button.chosen{background:color-mix(in srgb, var(--cell-hue) 46%, white);box-shadow:inset 0 0 0 3px var(--cell-hue), inset 0 0 0 4px var(--ink), 0 0 24px color-mix(in srgb, var(--cell-hue) 58%, transparent)}}.quaver-grid>button{grid-template-rows:1fr auto;grid-template-columns:28px 134px minmax(38px,1fr)}.triplet-matrix .matrix-column-heads,.triplet-matrix .matrix-row{min-width:640px}.semiquaver-matrix .matrix-column-heads,.semiquaver-matrix .matrix-row{min-width:1040px}.phrase-builder,.notation-editor,.challenge-strip{padding:42px clamp(18px,3.4vw,54px)}.phrase-builder h2,.notation-editor h2,.challenge-strip h2{font-size:clamp(32px,3.2vw,48px)}.phrase-builder .section-heading,.notation-editor .section-heading{margin-bottom:23px}.sound-lab{padding:42px clamp(18px,3.4vw,54px)}.capture-card,.harmony-card{padding:clamp(20px,2.4vw,34px)}@media (width<=1100px){.notation-cockpit{grid-template-columns:1fr;min-height:0}.cockpit-copy{padding:34px 24px}.permutation-section{grid-template-columns:1fr}.permutation-section>.section-heading,.permutation-section>.complexity-bridge,.permutation-section>.semiquaver-matrix{grid-column:1}.bridge-controls{grid-template-columns:1fr 150px 1fr 1fr 150px}}.start-path{gap:7px;margin:0 0 16px;padding:0;list-style:none;display:grid}.start-path li{align-items:baseline;gap:10px;display:flex}.start-path b{border:1px solid var(--ink);background:var(--paper-2);width:21px;height:21px;font:700 10px var(--font-mono);border-radius:50%;flex:none;place-items:center;display:grid}.start-path span{color:#50534c;font-size:12px;line-height:1.45}.start-path strong{color:var(--ink)}.start-cta{border:1px solid var(--ink);background:var(--acid);min-height:44px;color:var(--ink);box-shadow:5px 5px 0 var(--ink);justify-content:center;align-items:center;margin-bottom:9px;padding:0 22px;font-weight:800;text-decoration:none;transition:all .15s;display:inline-flex}.start-cta:hover,.start-cta:focus-visible{box-shadow:7px 7px 0 var(--ink);transform:translate(-2px,-2px)}.count-line{font:600 12px var(--font-mono);gap:7px;display:inline-flex}.count-line i{font-style:normal}.count-line .on{color:#b84220;border-bottom:2px solid #b84220;font-weight:700}.count-line .off{opacity:.34}.practice-banner{border:1px solid var(--acid);color:var(--paper);background:#d6ff4224;align-items:center;gap:11px;margin-bottom:11px;padding:8px 12px;display:flex}.practice-banner>span{background:var(--acid);color:var(--ink);font:700 8px var(--font-mono);text-transform:uppercase;letter-spacing:.1em;flex:none;padding:3px 7px}.practice-banner>b{min-width:0;font:600 11px var(--font-mono)}.practice-banner>button{border:1px solid var(--acid);background:var(--acid);min-height:31px;color:var(--ink);cursor:pointer;flex:none;margin-left:auto;padding:0 12px;font-weight:800}.cockpit-score:focus{outline:none}.cockpit-score:focus-visible{outline:3px solid var(--acid);outline-offset:-3px}.selected-beat-readout{grid-template-columns:1fr;gap:7px}.selected-beat-readout.idle{background:var(--paper-2)}.readout-body{grid-template-columns:134px 1fr;align-items:center;gap:10px;display:grid}.readout-body .mini-notation{border:1px solid var(--ink);background:#fffef8;width:134px;height:85px;overflow:hidden}.readout-body>div{gap:5px;display:grid}.readout-body b{font:700 14px var(--font-mono)}.readout-body b code{font:inherit;letter-spacing:.1em}.readout-body em{font-style:normal;font:500 8px/1.4 var(--font-mono);text-transform:uppercase;color:#56594f}.section-note{max-width:640px;color:var(--muted);margin:12px 0 0;font-size:12px;line-height:1.55}.harmony-note{color:#21453f;max-width:560px;margin:12px 0 0;font-size:12px;line-height:1.55}.matrix-row-label .row-io{color:#b84220;font:600 8px var(--font-mono);text-transform:uppercase}.score-badge em{flex:100%;font-size:11px;font-style:normal;font-weight:600}.score-badge{flex-wrap:wrap}.complexity-bridge{margin-top:18px}@media (width<=720px){.topbar{height:56px}.cockpit-copy{padding:30px 16px}.cockpit-copy h1{font-size:52px}.cockpit-score{padding:22px 12px 28px}.control-group,.tempo-control{min-height:72px;padding:10px 12px}.permutation-section{padding:27px 12px 34px}.permutation-section>.section-heading{align-items:stretch}.selected-beat-readout{width:100%}.complexity-bridge>header{padding:12px}.bridge-controls{grid-template-columns:1fr;padding:10px}.phrase-builder,.notation-editor,.challenge-strip,.sound-lab{padding:34px 12px}.start-cta{width:100%}.practice-banner{flex-wrap:wrap}.practice-banner>button{margin-left:0}.readout-body{grid-template-columns:1fr;justify-items:start}}.app-shell{padding-bottom:86px}.practice-bar{z-index:60;border-top:1px solid var(--ink);min-height:72px;color:var(--paper);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#191b17f7;align-items:center;gap:clamp(10px,2vw,26px);padding:9px clamp(14px,3vw,44px);display:flex;position:fixed;inset:auto 0 0}.pb-progress{align-items:baseline;gap:9px;display:flex}.pb-progress b{font:700 24px var(--font-mono);color:var(--acid)}.pb-progress b i{color:#b9bcb1;font-size:13px;font-style:normal}.pb-progress small{color:#b9bcb1;max-width:170px;font:500 8px/1.4 var(--font-mono);text-transform:uppercase}.pb-click{gap:3px;min-width:110px;display:grid}.pb-click span{color:#b9bcb1;font:600 8px var(--font-mono);text-transform:uppercase}.pb-click input{width:110px;accent-color:var(--acid)}.pb-restart{min-height:46px;color:var(--paper);cursor:pointer;background:0 0;border:1px solid #f2efe566;padding:0 13px;font-weight:700}.pb-length{gap:4px;display:flex}.pb-length button{min-height:40px;color:var(--paper);font:600 11px var(--font-mono);cursor:pointer;background:0 0;border:1px solid #f2efe559;padding:0 12px}.pb-length button.active{background:var(--paper);color:var(--ink);border-color:var(--paper)}.pb-phrase{justify-items:start;gap:2px;display:grid}.pb-phrase span{color:#b9bcb1;font:600 8px var(--font-mono);text-transform:uppercase}.pb-phrase code{font:700 14px var(--font-mono);letter-spacing:.2em;color:var(--acid)}.pb-actions{gap:7px;margin-left:auto;display:flex}.pb-play{border:1px solid var(--acid);background:var(--acid);min-height:46px;color:var(--ink);cursor:pointer;padding:0 20px;font-weight:800}.pb-view{min-height:46px;color:var(--paper);cursor:pointer;background:0 0;border:1px solid #f2efe566;padding:0 14px;font-weight:700}.matrix-cells>button,.quaver-grid>button{position:relative}.matrix-cells>button.chosen:after,.quaver-grid>button.chosen:after{content:"+1";border:1px solid var(--ink);background:var(--cell-mark,var(--acid));min-width:20px;height:20px;color:var(--ink);font:800 9px var(--font-mono);border-radius:99px;place-items:center;padding:0 3px;display:grid;position:absolute;top:5px;right:5px}.matrix-cells>button.chosen,.quaver-grid>button.chosen{background:var(--cell-mark,var(--acid))}@supports (color:color-mix(in lab, red, red)){.matrix-cells>button.chosen,.quaver-grid>button.chosen{background:color-mix(in srgb, var(--cell-mark,var(--acid)) 34%, white)}}.matrix-cells>button.chosen,.quaver-grid>button.chosen{box-shadow:inset 0 0 0 3px var(--cell-mark,var(--acid)), inset 0 0 0 4px var(--ink)}@media (width<=900px){.app-shell{padding-bottom:132px}.practice-bar{flex-wrap:wrap;gap:8px 14px;padding:9px 12px}.pb-progress small,.pb-click,.pb-phrase{display:none}.pb-actions{margin-left:auto}.pb-length{order:4;width:100%}.pb-length button{flex:1}}@media print{.practice-bar{display:none!important}.app-shell{padding-bottom:0}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}