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svg{pointer-events:none}.\[\&_svg\]\:size-4 svg{width:calc(var(--spacing) * 4);height:calc(var(--spacing) * 4)}.\[\&_svg\]\:shrink-0 svg{flex-shrink:0}.\[\&\>svg\]\:absolute>svg{position:absolute}.\[\&\>svg\]\:top-4>svg{top:calc(var(--spacing) * 4)}.\[\&\>svg\]\:left-4>svg{left:calc(var(--spacing) * 4)}.\[\&\>svg\]\:text-destructive>svg{color:var(--destructive)}.\[\&\>svg\]\:text-foreground>svg{color:var(--foreground)}.\[\&\>svg\+div\]\:translate-y-\[-3px\]>svg+div{--tw-translate-y:-3px;translate:var(--tw-translate-x) var(--tw-translate-y)}.\[\&\>svg\~\*\]\:pl-7>svg~*{padding-left:calc(var(--spacing) * 7)}}:root{--radius:.75rem;--background:oklch(13% .01 285);--foreground:oklch(96% .01 285);--card:oklch(17% .012 285);--card-foreground:oklch(96% .01 285);--popover:oklch(17% .012 285);--popover-foreground:oklch(96% .01 285);--primary:oklch(62% .19 285);--primary-foreground:oklch(98% .01 285);--secondary:oklch(22% .015 285);--secondary-foreground:oklch(96% .01 285);--muted:oklch(22% .015 285);--muted-foreground:oklch(68% .02 285);--accent:oklch(25% .03 285);--accent-foreground:oklch(96% .01 285);--destructive:oklch(62% .22 25);--border:oklch(28% .02 285);--input:oklch(28% .02 285);--ring:oklch(62% .19 285)}@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}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@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-tracking{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{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-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f0f14;--surface: #1a1a24;--surface-2: #242433;--text: #f0f0f5;--text-muted: #8888a0;--accent: #7c6cff;--accent-hover: #6d5ce0;--success: #4ade80;--warning: #fde68a;--error: #f87171;--radius: 12px;--safe-bottom: env(safe-area-inset-bottom, 0px)}html{-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;line-height:1.5;-webkit-font-smoothing:antialiased}#root{min-height:100dvh}.app{max-width:600px;margin:0 auto;padding:0 16px calc(24px + var(--safe-bottom))}.app-header{padding:20px 0 12px;position:sticky;top:0;background:var(--bg);z-index:10;border-bottom:1px solid var(--surface-2);display:flex;justify-content:space-between;align-items:center;gap:12px}.logo{display:flex;align-items:center;gap:12px}.logo-icon{font-size:32px}.logo h1{font-size:22px;font-weight:700;letter-spacing:-.02em}.logo p{font-size:13px;color:var(--text-muted)}.hero{padding:20px 0}.hero p{color:var(--text-muted);font-size:15px;margin-bottom:16px}.feature-list{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--text-muted)}.song-picker h2{font-size:20px;margin-bottom:4px}.subtitle{color:var(--text-muted);font-size:14px;margin-bottom:16px}.song-list{display:flex;flex-direction:column;gap:12px}.song-card{background:var(--surface);border:1px solid var(--surface-2);border-radius:var(--radius);padding:16px;text-align:left;cursor:pointer;transition:border-color .15s,background .15s;width:100%;color:inherit;font:inherit}.song-card:hover,.song-card:active{border-color:var(--accent);background:var(--surface-2)}.song-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.song-title{font-weight:600;font-size:16px}.difficulty{font-size:11px;text-transform:uppercase;letter-spacing:.05em;padding:2px 8px;border-radius:99px;font-weight:600}.difficulty.beginner{background:#14532d;color:var(--success)}.difficulty.intermediate{background:#422006;color:#fbbf24}.song-artist{font-size:13px;color:var(--accent);display:block;margin-bottom:8px}.song-description{font-size:13px;color:var(--text-muted);margin-bottom:8px;line-height:1.4}.song-note-count{font-size:12px;color:var(--text-muted)}.practice-header{display:flex;align-items:center;gap:12px;padding:12px 0}.practice-title{flex:1;min-width:0}.practice-title h2{font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.practice-title span{font-size:13px;color:var(--text-muted)}.progress-bar{height:4px;background:var(--surface-2);border-radius:2px;margin-bottom:20px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s ease}.note-prompt{text-align:center;margin-bottom:16px}.prompt-label{font-size:14px;color:var(--text-muted);margin-bottom:4px}.prompt-note{font-size:48px;font-weight:700;letter-spacing:-.02em;color:var(--warning)}.prompt-finger{font-size:15px;color:var(--text-muted);margin-top:4px}.prompt-hint{font-size:14px;color:var(--text-muted);max-width:320px;margin:0 auto}.piano-wrapper{margin-bottom:12px}.piano-wrapper--full{margin:0 -16px 16px}.piano-position-hint{font-size:14px;color:var(--warning);text-align:center;margin-bottom:10px;padding:0 16px;line-height:1.4}.piano-container{overflow-x:auto;padding:0 16px;-webkit-overflow-scrolling:touch}.piano-container--full{max-height:160px;border:1px solid var(--surface-2);border-radius:var(--radius);background:var(--surface);padding:8px 12px}.piano-keyboard{display:block;min-width:100%;height:auto}.finger-hint{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:12px;padding:10px;background:var(--surface);border-radius:var(--radius)}.finger-number{width:32px;height:32px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}.finger-name{font-weight:600}.finger-note{color:var(--text-muted);font-size:14px}.mic-status{margin-bottom:16px}.volume-meter{height:6px;background:var(--surface-2);border-radius:3px;overflow:hidden;margin-bottom:8px}.volume-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .05s linear}.mic-info{text-align:center;font-size:14px;color:var(--text-muted)}.mic-info strong{color:var(--text)}.match-badge{color:var(--success);font-weight:600}.muted{color:var(--text-muted)}.camera-view{margin-top:20px;border-top:1px solid var(--surface-2);padding-top:16px}.camera-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px;font-weight:600}.camera-frame{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--surface);aspect-ratio:16 / 9}.camera-video{width:100%;height:100%;object-fit:cover;display:block}.camera-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;text-align:center;color:var(--text-muted);font-size:14px;gap:8px}.camera-placeholder .hint{font-size:12px}.camera-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.guide-line{position:absolute;background:#7c6cff99}.guide-line--center{left:50%;top:0;bottom:0;width:2px;transform:translate(-50%)}.overlay-hint{position:absolute;bottom:8px;left:0;right:0;text-align:center;font-size:11px;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.8)}.complete-screen{text-align:center;padding:40px 0}.complete-icon{font-size:64px;margin-bottom:16px}.complete-screen h3{font-size:28px;margin-bottom:8px}.complete-screen p{color:var(--text-muted);margin-bottom:24px}.complete-actions{display:flex;flex-direction:column;gap:12px;align-items:center}.btn-primary,.btn-secondary,.btn-back,.btn-small,.btn-icon{border:none;cursor:pointer;font-family:inherit;border-radius:var(--radius);transition:background .15s,opacity .15s}.btn-primary{background:var(--accent);color:#fff;padding:12px 24px;font-size:16px;font-weight:600}.btn-primary:hover{background:var(--accent-hover)}.btn-large{width:100%;padding:16px;font-size:17px}.btn-secondary{background:var(--surface-2);color:var(--text);padding:12px 24px;font-size:15px}.btn-back{background:transparent;color:var(--accent);font-size:14px;padding:8px 0;white-space:nowrap}.btn-small{background:var(--surface-2);color:var(--text);padding:6px 12px;font-size:13px}.btn-icon{background:var(--surface);font-size:20px;padding:8px 10px;border-radius:8px}.btn-icon.active{background:var(--accent)}.practice-actions{display:flex;justify-content:center;margin-bottom:8px}.score-line{text-align:center;font-size:13px;color:var(--text-muted)}.error-text{color:var(--error);font-size:13px;text-align:center;margin:8px 0;padding:8px;background:#f871711a;border-radius:8px}.btn-calibrate{background:var(--surface-2);color:var(--text);border:1px solid var(--surface-2);padding:8px 12px;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;flex-shrink:0}.btn-calibrate.calibrated{border-color:var(--success);color:var(--success)}.cal-banner{background:var(--surface);border:1px solid var(--accent);border-radius:var(--radius);padding:14px;margin-top:16px;text-align:center}.cal-banner p{margin-bottom:10px;font-size:14px}.cal-status-line{font-size:13px;color:var(--success);margin-top:12px}.cal-wizard{max-width:600px;margin:0 auto}.cal-wizard-header{display:flex;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid var(--surface-2);margin-bottom:16px}.cal-wizard-header h1{font-size:20px}.cal-step{padding-bottom:24px}.cal-step h2{font-size:22px;margin-bottom:8px}.cal-desc{color:var(--text-muted);font-size:14px;line-height:1.5;margin-bottom:20px}.cal-intro-cards{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.cal-intro-card{background:var(--surface);border-radius:var(--radius);padding:16px;display:flex;gap:14px;align-items:flex-start}.cal-intro-num{width:28px;height:28px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}.cal-intro-card h3{font-size:16px;margin-bottom:4px}.cal-intro-card p{font-size:13px;color:var(--text-muted)}.cal-existing{background:var(--surface);border-radius:var(--radius);padding:14px;margin-bottom:20px}.cal-existing ul{list-style:none;margin:8px 0 12px;font-size:14px}.cal-phase-badge{display:inline-block;background:var(--surface-2);padding:4px 10px;border-radius:99px;font-size:12px;font-weight:600;margin-bottom:12px}.cal-start-prompt{text-align:center;padding:20px 0}.cal-start-prompt p{color:var(--text-muted);margin-bottom:16px}.cal-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:16px 0}.cal-nav{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px solid var(--surface-2)}.cal-recorded{font-size:13px;color:var(--text-muted)}.cal-summary{list-style:none;background:var(--surface);border-radius:var(--radius);padding:14px;margin-bottom:20px;font-size:13px;color:var(--text-muted)}.cal-summary li{padding:4px 0}.cal-image-tap,.cal-image-static{position:relative;border-radius:var(--radius);overflow:hidden;cursor:crosshair;touch-action:none}.cal-keyboard-photo{width:100%;display:block}.cal-marker{position:absolute;width:16px;height:16px;border-radius:50%;transform:translate(-50%,-50%);border:2px solid white;box-shadow:0 0 6px #0009;pointer-events:none}.cal-marker--left{background:#22c55e}.cal-marker--right{background:#f59e0b}.cal-baseline{position:absolute;height:2px;background:var(--accent);pointer-events:none;transform:translateY(-50%)}.cal-key-dot{position:absolute;width:14px;height:14px;border-radius:50%;transform:translate(-50%,-50%);pointer-events:none;border:2px solid rgba(255,255,255,.5);opacity:.5;transition:opacity .15s,transform .15s}.cal-key-dot.white{background:#f5f0e8}.cal-key-dot.black{background:#1a1a24;width:10px;height:10px}.cal-key-dot.highlight{opacity:1;background:var(--warning);border-color:#fff;transform:translate(-50%,-50%) scale(1.4);box-shadow:0 0 12px var(--warning)}.cal-key-dot.active{opacity:1;background:var(--success);border-color:#fff;transform:translate(-50%,-50%) scale(1.3)}.cal-key-dot.wrong{background:var(--error)}.cal-finger-target{position:absolute;transform:translate(-50%,-120%);pointer-events:none;z-index:5}.cal-finger-target span{background:var(--warning);color:#000;font-size:11px;font-weight:700;padding:4px 8px;border-radius:6px;white-space:nowrap}.cal-note-select{margin:12px 0}.cal-note-select label{display:flex;flex-direction:column;gap:6px;font-size:14px}.cal-note-select select{background:var(--surface);color:var(--text);border:1px solid var(--surface-2);border-radius:8px;padding:10px;font-size:15px}.cal-verify{text-align:center;padding:12px 0}.camera-frame--calibrated{position:relative}.camera-overlay--keys{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.onboarding-banner{background:var(--surface);border:1px solid var(--accent);border-radius:var(--radius);padding:16px;margin-bottom:16px}.onboarding-banner h3{font-size:16px;margin-bottom:10px}.onboarding-banner ul{list-style:none;font-size:14px;color:var(--text-muted);margin-bottom:14px;display:flex;flex-direction:column;gap:8px}.onboarding-banner li{line-height:1.4}.permission-help{background:var(--surface);border-radius:var(--radius);padding:16px;margin-top:12px;text-align:center}.permission-title{font-size:17px;font-weight:600;margin-bottom:8px}.permission-desc{font-size:14px;color:var(--text-muted);margin-bottom:10px;line-height:1.5}.permission-desc--small{font-size:12px;margin-bottom:16px}.detection-debug{background:var(--surface);border-radius:var(--radius);padding:12px;margin-bottom:12px}.volume-meter--large{height:10px;margin-bottom:10px}.debug-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:13px}.debug-label{display:block;font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.debug-ok{color:var(--success)}.debug-warn{color:var(--warning)}.debug-freq{font-size:11px;color:var(--text-muted);margin-top:8px;text-align:center}.cal-hint{font-size:13px;color:var(--text-muted);text-align:center;margin-top:8px}.cal-steps{margin:0 0 16px 20px;font-size:14px;color:var(--text-muted);line-height:1.6}.cal-steps strong{color:var(--text)}.match-banner{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:var(--radius);margin-bottom:12px;font-size:14px;line-height:1.4}.match-banner p{margin:4px 0 0;font-size:13px;opacity:.9}.match-banner-icon{font-size:22px;flex-shrink:0}.match-banner--waiting{background:var(--surface);border:1px solid var(--surface-2)}.match-banner--yes{background:#4ade8026;border:2px solid var(--success);color:var(--success)}.match-banner--yes strong{color:var(--success)}.match-banner--no{background:#f871711f;border:2px solid var(--error)}.match-banner--no strong{color:var(--error)}.no-audio-notice{background:#7c6cff26;border:1px solid var(--accent);border-radius:8px;padding:12px;font-size:14px;margin-bottom:14px;line-height:1.4}.permission-denied{background:#f871711a;border-radius:8px;padding:12px;margin-bottom:12px;font-size:14px}.settings-path{font-family:ui-monospace,monospace;font-size:13px;color:var(--warning);margin:8px 0}.scroll-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:8px 0 4px}.mode-badge{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--accent);background:#7c6cff26;padding:4px 10px;border-radius:999px}.btn-text{background:none;border:none;color:var(--accent);font-size:14px;cursor:pointer;padding:4px 0;text-decoration:underline}.toggle-mic{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--text-muted);margin-left:auto}.playalong .piano-wrapper{margin-top:8px}.playback-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:16px}.speed-control{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);margin-left:auto}.speed-control select{background:var(--surface);color:var(--text);border:1px solid var(--surface-2);border-radius:8px;padding:6px 10px}.time-line{font-size:13px;color:var(--text-muted);text-align:center;margin-bottom:4px}.active-notes-line{text-align:center;font-size:14px;color:var(--warning);margin:8px 0}.midi-upload{margin-bottom:16px;padding:14px;background:var(--surface);border:1px dashed var(--surface-2);border-radius:var(--radius)}.midi-upload-btn{width:100%}.midi-upload-hint{font-size:12px;color:var(--text-muted);margin-top:8px;line-height:1.5}.midi-upload-hint a{color:var(--accent)}.song-tabs{display:flex;gap:8px;margin-bottom:12px}.song-tabs button{flex:1;padding:10px;border-radius:8px;border:1px solid var(--surface-2);background:var(--surface);color:var(--text-muted);font-size:14px;cursor:pointer}.song-tabs button.active{border-color:var(--accent);color:var(--text);background:#7c6cff1f}.song-card--midi{border-style:dashed}