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(hover:hover){.hover\:border-zinc-400:hover{border-color:var(--color-zinc-400)}.hover\:text-\[var\(--ink\)\]:hover{color:var(--ink)}.hover\:text-red-300:hover{color:var(--color-red-300)}.hover\:text-white:hover{color:var(--color-white)}.hover\:text-zinc-200:hover{color:var(--color-zinc-200)}.hover\:text-zinc-300:hover{color:var(--color-zinc-300)}.hover\:text-zinc-400:hover{color:var(--color-zinc-400)}.hover\:file\:bg-\[var\(--surface-sunken\)\]:hover::file-selector-button{background-color:var(--surface-sunken)}}.focus\:border-\[var\(--accent\)\]:focus{border-color:var(--accent)}.focus\:outline-none:focus{--tw-outline-style:none;outline-style:none}.active\:cursor-grabbing:active{cursor:grabbing}}:root{--bg:#f6f2e8;--bg-2:#efeadf;--surface:#fbf8f0;--surface-2:#f0ebdd;--surface-sunken:#e8e2d2;--line:#1e160c1a;--line-soft:#1e160c0f;--line-strong:#1e160c2e;--ink:#1f1812;--ink-2:#1f1812cc;--ink-3:#1f18129e;--ink-4:#1f18126b;--ink-5:#1f181240;--accent:#c46a0e;--accent-2:#d4791c;--accent-soft:#faead3;--accent-ink:#fff;--good:#2f8654;--good-soft:#deede3;--bad:#b7402b;--bad-soft:#f3d9d3;--warn:#b86e00;--warn-soft:#f5e5c8;--shadow-sm:0 1px 2px #140e060d;--shadow-md:0 1px 3px #140e0612, 0 8px 20px -12px #140e061a;--shadow-focus:0 0 0 3px #c46a0e38;--radius:8px;--radius-sm:6px;--radius-lg:12px;--f-ui:var(--font-geist-sans), ui-sans-serif, system-ui, sans-serif;--f-title:var(--font-geist-sans), ui-sans-serif, system-ui, sans-serif;--f-mono:var(--font-geist-mono), ui-monospace, Menlo, monospace}[data-theme=dark]{--bg:#0e0c0f;--bg-2:#14111a;--surface:#181519;--surface-2:#1f1b22;--surface-sunken:#0a0809;--line:#ffffff14;--line-soft:#ffffff0d;--line-strong:#ffffff29;--ink:#f1ebe0;--ink-2:#f1ebe0d9;--ink-3:#f1ebe0a6;--ink-4:#f1ebe080;--ink-5:#f1ebe04d;--accent:#fdb852;--accent-2:#fecc79;--accent-soft:#fdb85224;--accent-ink:#1a1207;--good:#84d6a8;--good-soft:#84d6a824;--bad:#e27867;--bad-soft:#e2786724;--warn:#e0a84a;--warn-soft:#e0a84a24;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 1px 3px #00000059, 0 8px 24px -12px #00000080;--shadow-focus:0 0 0 3px #fdb85252}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:var(--f-ui);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-size:14px;line-height:1.5;transition:background-color .25s,color .25s}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{border-bottom:1px solid var(--line-soft);background:var(--bg)}.topbar-inner{align-items:center;gap:24px;max-width:1000px;margin:0 auto;padding:14px 40px;display:flex}.topbar-brand{color:inherit;flex-shrink:0;text-decoration:none}.topbar-nav{flex-wrap:wrap;justify-content:flex-end;gap:2px;margin-left:auto;display:flex}.topbar-link{border-radius:var(--radius-sm);color:var(--ink-3);padding:8px 12px;font-size:13.5px;text-decoration:none;transition:background-color .12s,color .12s;position:relative}.topbar-link-text-short{display:none}.topbar-link:hover{color:var(--ink);background:var(--surface-2)}.topbar-link.active{color:var(--ink)}.topbar-link.active:after{content:"";background:var(--accent);border-radius:1px;height:2px;position:absolute;bottom:-1px;left:12px;right:12px}.theme-switch{background:var(--surface-sunken);border:1px solid var(--line-soft);border-radius:7px;gap:2px;padding:3px;display:flex}.theme-switch button{color:var(--ink-4);cursor:pointer;background:0 0;border:0;border-radius:5px;flex:1;justify-content:center;align-items:center;gap:5px;padding:5px 8px;font-family:inherit;font-size:11.5px;transition:background-color .15s,color .15s;display:inline-flex}.theme-switch button:hover{color:var(--ink-2)}.theme-switch button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}.theme-switch svg{width:12px;height:12px}.brand-name{font-family:var(--f-title);letter-spacing:-.02em;font-size:19px;font-weight:600}.brand-period{color:var(--accent)}.main{flex:1;width:100%;max-width:920px;margin:0 auto;padding:28px 40px 40px}.site-footer{border-top:1px solid var(--line-soft);background:var(--bg);flex-direction:column;align-items:center;gap:2px;padding:12px 16px 16px;display:flex}.site-footer-links{justify-content:center;gap:4px;display:flex}.site-footer-link{color:var(--ink-4);cursor:pointer;background:0 0;border:0;padding:6px 10px;font-family:inherit;font-size:12px;text-decoration:none;transition:color .15s}.site-footer-link:hover{color:var(--ink-2)}.site-footer-attribution{color:var(--ink-4);letter-spacing:.01em;margin:0;font-size:11px}.site-footer-attribution-link{color:inherit;border-bottom:1px solid var(--line-soft);padding-bottom:1px;text-decoration:none;transition:color .15s,border-color 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.sub{color:var(--good);opacity:.75}.ans-btn.wrong{border-color:var(--bad);background:var(--bad-soft);color:var(--bad)}.ans-btn.wrong .sub{color:var(--bad);opacity:.75}.feedback{border-radius:var(--radius);font-family:var(--f-mono);justify-content:space-between;align-items:center;margin-top:18px;padding:12px 14px;font-size:12px;animation:.2s ease-out slide-in;display:flex}.feedback.ok{background:var(--good-soft);color:var(--good)}.feedback.no{background:var(--bad-soft);color:var(--bad)}@keyframes slide-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.player-foot{border-top:1px solid var(--line-soft);background:var(--bg-2);padding:16px 32px 20px}.progress-rail{grid-template-columns:repeat(20,1fr);gap:3px;display:grid}.pip{background:var(--line);border-radius:2px;height:8px;transition:background-color .2s}.pip.good{background:var(--good)}.pip.warn{background:var(--warn)}.pip.bad{background:var(--bad)}.pip.cur{background:var(--accent);animation:1s ease-in-out infinite pip-pulse}@keyframes pip-pulse{0%,to{opacity:1}50%{opacity:.5}}.progress-stats{font-family:var(--f-mono);color:var(--ink-4);letter-spacing:.04em;justify-content:space-between;font-size:11px;display:flex}.progress-stats .cluster{gap:18px;display:flex}.progress-stats b{color:var(--ink-2);font-weight:500}.tag{font-family:var(--f-mono);background:var(--surface-sunken);color:var(--ink-3);letter-spacing:.04em;border-radius:4px;align-items:center;gap:4px;padding:2px 7px;font-size:10.5px;display:inline-flex}.tag.accent{background:var(--accent-soft);color:var(--accent)}.tag.good{background:var(--good-soft);color:var(--good)}.tag.warn{background:var(--warn-soft);color:var(--warn)}.menu-panel{z-index:10;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);min-width:160px;position:absolute;top:calc(100% + 4px);right:0;overflow:hidden}.menu-item{width:100%;color:var(--ink-2);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;padding:9px 12px;font-family:inherit;font-size:13px;transition:background-color .12s,color .12s;display:flex}.menu-item:hover{background:var(--surface-2);color:var(--ink)}.menu-item svg{flex-shrink:0;width:14px;height:14px}.score-pill{font-family:var(--f-mono);color:var(--ink-3);background:var(--surface);border:1px solid var(--line-soft);letter-spacing:.03em;border-radius:4px;gap:6px;padding:3px 8px;font-size:11px;display:inline-flex}.score-pill b{color:var(--ink);font-weight:600}.prog-slots{gap:8px;margin-bottom:18px;display:flex}.prog-slot{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);min-width:0;height:56px;font-family:var(--f-mono);color:var(--ink-4);cursor:pointer;box-sizing:border-box;flex:1;justify-content:center;align-items:center;font-size:16px;font-weight:600;transition:border-color .12s,background-color .12s,color .12s,opacity .12s;display:flex}.prog-slot:hover:not(.disabled):not(.playing){opacity:.75}.prog-slot.prefilled{color:var(--ink-2)}.prog-slot.active{border-color:var(--ink);color:var(--ink);box-shadow:0 0 0 1px var(--ink)}.prog-slot.answered{border-color:var(--good);background:var(--good-soft);color:var(--good)}.prog-slot.answered-tried{border-color:var(--warn);background:var(--warn-soft);color:var(--warn)}.prog-slot.wrong{border-color:var(--bad);background:var(--bad-soft);color:var(--bad)}.prog-slot.playing{cursor:default}.voice-row{gap:8px;margin:0 0 4px;display:flex}.voice-row-bass{margin:4px 0 18px}.prog-slots:has(+.voice-row-bass){margin-bottom:0}.voice-slot{border-radius:var(--radius-sm);min-width:0;height:36px;font-family:var(--f-mono);border:1.5px dashed var(--line-strong);color:var(--ink-2);cursor:pointer;-webkit-user-select:none;user-select:none;box-sizing:border-box;background:0 0;flex:1;justify-content:center;align-items:center;font-size:13px;font-weight:600;transition:border-color .12s,background-color .12s,color .12s;display:flex}.voice-slot.voice-slot-empty{color:var(--ink-4);font-size:14px;font-weight:500}.voice-slot.prefilled{cursor:default;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);border-style:solid}.voice-slot.active{border:1.5px solid var(--accent);background:var(--accent-soft);color:var(--accent)}.voice-slot.answered{border:1px solid var(--good);background:var(--good-soft);color:var(--good)}.voice-slot.answered-tried{border:1px solid var(--warn);background:var(--warn-soft);color:var(--warn)}.voice-slot.wrong{border:1px solid var(--bad);background:var(--bad-soft);color:var(--bad)}.prog-slot.drill-active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.note-picker{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);flex-wrap:wrap;gap:4px;margin-bottom:16px;padding:12px 14px;display:flex}.note-picker .np-btn{font-family:var(--f-mono);border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--surface);width:40px;height:36px;color:var(--ink-2);cursor:pointer;font-size:13px;font-weight:600;transition:border-color .12s,background-color .12s,color .12s}.note-picker .np-btn.np-sharp{background:var(--surface-sunken);width:36px;color:var(--ink-3)}.note-picker .np-btn:hover{border-color:var(--line-strong)}.confusions-panel{border:1px solid var(--line-soft);border-radius:var(--radius);background:var(--surface-2);margin:16px 0 0;padding:14px 16px}.confusions-panel h4{font-family:var(--f-mono);letter-spacing:.06em;color:var(--ink-4);margin:0 0 8px;font-size:11px}.confusions-row{font-family:var(--f-mono);color:var(--ink-3);align-items:center;gap:8px;font-size:12px;display:flex}.confusions-row b{color:var(--ink);font-weight:500}@media (max-width:860px){.form{grid-template-columns:1fr;gap:12px}.form .field-label{padding-top:0}.main{padding:20px 20px 32px}.player-body{padding:24px 16px 20px}.player-foot{padding:14px 16px}.play-area{gap:12px;padding:18px 14px}.play-area .waveform{display:none}.tonic-group{gap:4px;padding:6px 6px 4px}.tonic-group>legend{margin-left:2px;padding:0 4px;font-size:9px}.tonic-group .replay{padding:5px 7px;font-size:11px}.ans-grid.cols-7{gap:4px}.ans-grid.cols-7 .ans-btn{letter-spacing:0;padding:10px 2px;font-size:13px}.topbar-inner{gap:14px;padding:10px 16px}.topbar-link{padding:6px 8px;font-size:12.5px}.topbar-link.active:after{left:8px;right:8px}}@media (max-width:540px){.topbar-inner{flex-direction:column;align-items:flex-start;gap:4px;padding:10px 16px 8px}.topbar-nav{justify-content:flex-start;gap:0;width:100%;margin-left:0}.topbar-link{margin-right:6px;padding:6px 10px 6px 0;font-size:12.5px}.topbar-link.active:after{left:0;right:10px}.topbar-link-text-long{display:none}.topbar-link-text-short{display:inline}.hero{margin:6px 0 28px;padding-bottom:22px}.hero-wordmark{margin-bottom:12px;font-size:40px}.hero-tagline{font-size:15.5px}}@media (max-width:429px){.ans-grid.cols-7{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.ans-grid.cols-7 .ans-btn{letter-spacing:.02em;padding:14px 6px;font-size:14px}}@media (max-width:480px){.prog-slots,.voice-row{gap:4px}.prog-slot{min-width:0;height:48px;font-size:14px}.voice-slot{min-width:0;height:32px;font-size:12px}.voice-slot.voice-slot-empty{font-size:13px}}:focus-visible{box-shadow:var(--shadow-focus);border-radius:var(--radius-sm);outline:0}.chip:focus-visible,.seg button:focus-visible,.ans-btn:focus-visible{box-shadow:var(--shadow-focus)}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}