:root{--font-serif: "Libre Baskerville", Georgia, serif;--font-sans: "Work Sans", -apple-system, system-ui, sans-serif;--font-mono: "Courier New", monospace;--color-black: #000000;--color-white: #FFFFFF;--color-gray-dark: #333333;--color-gray-medium: #666666;--color-gray-light: #E0E0E0;--color-background: #FAFAFA;--color-accent: #8B1538;--color-accent-dark: #6B0F2A;--color-success: #1B5E20;--color-error: #B71C1C;font-family:var(--font-sans);line-height:1.6;font-weight:400;color:var(--color-black);background-color:var(--color-white);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh;width:100%}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:700;line-height:1.2;color:var(--color-black);margin:0}h1{font-size:2.5rem;letter-spacing:-.02em}h2{font-size:2rem;letter-spacing:-.01em}h3{font-size:1.5rem}p{margin:0;line-height:1.6}a{color:var(--color-accent);text-decoration:none;border-bottom:1px solid var(--color-accent);transition:color .15s ease}a:hover{color:var(--color-accent-dark);border-bottom-color:var(--color-accent-dark)}button{font-family:var(--font-sans);font-size:.9375rem;font-weight:500;padding:.625rem 1.5rem;border:1px solid var(--color-gray-light);border-radius:2px;background-color:var(--color-white);color:var(--color-black);cursor:pointer;transition:all .15s ease}button:hover:not(:disabled){border-color:var(--color-black);background-color:var(--color-black);color:var(--color-white)}button:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}button:disabled{opacity:.4;cursor:not-allowed}button.primary{background-color:var(--color-accent);border-color:var(--color-accent);color:var(--color-white)}button.primary:hover:not(:disabled){background-color:var(--color-accent-dark);border-color:var(--color-accent-dark)}input,textarea,select{font-family:var(--font-sans);font-size:1rem;padding:.625rem .875rem;border:1px solid var(--color-gray-light);border-radius:2px;background-color:var(--color-white);color:var(--color-black);transition:border-color .15s ease}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-black)}.instrument-selector{margin-bottom:2.5rem}.selector-label{display:block;margin-bottom:1.25rem;font-family:var(--font-sans);font-weight:500;font-size:.875rem;color:var(--color-black);letter-spacing:.01em;text-transform:uppercase}.instrument-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem;margin-bottom:1rem}.instrument-button{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1.25rem 1rem;border:1px solid var(--color-gray-light);background-color:var(--color-white);cursor:pointer;transition:all .15s ease;min-height:100px}.instrument-button:hover{border-color:var(--color-black);background-color:var(--color-background)}.instrument-button.selected{border-color:var(--color-accent);background:var(--color-accent);color:var(--color-white)}.instrument-button.selected:hover{background:var(--color-accent-dark);border-color:var(--color-accent-dark)}.instrument-icon{font-size:2rem;margin-bottom:.625rem;display:block}.instrument-label{font-family:var(--font-sans);font-size:.875rem;font-weight:500;text-align:center}.selector-hint{color:var(--color-gray-medium);font-size:.8125rem;margin-top:1rem;text-align:center;font-style:italic}.vocal-instrument-selector{margin:1.5rem 0;padding:1.25rem;background-color:var(--color-background);border:1px solid var(--color-gray-light)}.vocal-instrument-selector label{display:block;margin-bottom:.625rem;font-family:var(--font-sans);font-weight:500;font-size:.875rem;color:var(--color-black)}.vocal-instrument-selector select{width:100%;padding:.625rem .875rem;font-family:var(--font-sans);font-size:1rem;border:1px solid var(--color-gray-light);border-radius:2px;background-color:var(--color-white);cursor:pointer;transition:border-color .15s ease}.vocal-instrument-selector select:hover{border-color:var(--color-black)}.vocal-instrument-selector select:focus{outline:none;border-color:var(--color-black)}@media(max-width:600px){.instrument-grid{grid-template-columns:repeat(2,1fr)}}.job-submission{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;background:var(--color-white)}.hero-section{text-align:center;max-width:600px;margin-bottom:4rem}.hero-title{font-family:var(--font-serif);font-size:3rem;font-weight:700;color:var(--color-black);margin:0 0 1.5rem;line-height:1.1;letter-spacing:-.02em}.hero-subtitle{font-family:var(--font-sans);font-size:1.125rem;color:var(--color-gray-dark);margin:0 0 .75rem;line-height:1.6;font-weight:400}.hero-description{font-size:.9375rem;color:var(--color-gray-medium);margin:0;line-height:1.6}.submission-card{background:var(--color-white);border:1px solid var(--color-gray-light);padding:3rem;max-width:600px;width:100%}.card-header{text-align:center;margin-bottom:2.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--color-gray-light)}.card-title{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;color:var(--color-black);margin:0 0 .75rem}.card-subtitle{font-size:.9375rem;color:var(--color-gray-medium);margin:0}.upload-mode-selector{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-bottom:2.5rem;border:1px solid var(--color-gray-light)}.upload-mode-selector button{padding:.875rem 1.5rem;background:var(--color-white);color:var(--color-gray-medium);border:none;border-right:1px solid var(--color-gray-light);font-family:var(--font-sans);font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .15s ease}.upload-mode-selector button:last-child{border-right:none}.upload-mode-selector button:hover{background:var(--color-background);color:var(--color-black)}.upload-mode-selector button.active{background:var(--color-black);color:var(--color-white)}.form-group{margin-bottom:2rem}.form-group label{display:block;margin-bottom:.625rem;font-family:var(--font-sans);font-weight:500;font-size:.875rem;color:var(--color-black);letter-spacing:.01em;text-transform:uppercase}.form-group input[type=text],.form-group input[type=file]{width:100%;padding:.75rem .875rem;border:1px solid var(--color-gray-light);border-radius:2px;font-family:var(--font-sans);font-size:1rem;transition:border-color .15s ease;background:var(--color-white);color:var(--color-black)}.form-group input[type=text]:focus,.form-group input[type=file]:focus{outline:none;border-color:var(--color-black)}.file-info{margin-top:.625rem;font-size:.875rem;color:var(--color-gray-medium)}button[type=submit]{width:100%;padding:1rem 1.5rem;background:var(--color-accent);color:var(--color-white);border:1px solid var(--color-accent);border-radius:2px;font-family:var(--font-sans);font-size:1rem;font-weight:500;cursor:pointer;transition:all .15s ease;letter-spacing:.02em}button[type=submit]:hover:not(:disabled){background:var(--color-accent-dark);border-color:var(--color-accent-dark)}button[type=submit]:disabled{opacity:.4;cursor:not-allowed}.progress-container{text-align:center;padding:4rem 2rem}.progress-container h2{font-family:var(--font-serif);font-size:1.75rem;font-weight:700;color:var(--color-black);margin:0 0 1rem}.progress-message{color:var(--color-gray-dark);font-size:1rem;margin:0 0 3rem;font-weight:400}.progress-bar-container{width:100%;height:2px;background-color:var(--color-gray-light);overflow:hidden;margin:3rem 0;position:relative}.progress-bar{height:100%;background:var(--color-black);transition:width .3s ease}.progress-text{font-family:var(--font-serif);font-size:3rem;font-weight:700;color:var(--color-black);margin:2rem 0}.progress-info{color:var(--color-gray-medium);font-size:.9375rem;margin-top:2rem;line-height:1.6}.success-message,.error-message{text-align:center;padding:3rem;border:1px solid;max-width:500px;margin:0 auto}.success-message{background:var(--color-white);color:var(--color-success);border-color:var(--color-success)}.success-message h2{font-family:var(--font-serif);font-size:1.5rem;margin:0 0 .75rem}.error-message{background:var(--color-white);color:var(--color-error);border-color:var(--color-error)}.error-message h2{font-family:var(--font-serif);font-size:1.5rem;margin:0 0 .75rem}.error-alert{background:var(--color-white);color:var(--color-error);padding:1rem;margin-top:1rem;border:1px solid var(--color-error);font-size:.875rem}.job-submission .instrument-selector{margin-bottom:2rem}.spinner{display:inline-block;width:40px;height:40px;border:2px solid var(--color-gray-light);border-top-color:var(--color-black);border-radius:50%;animation:spin .8s linear infinite;margin:2rem auto}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:640px){.job-submission{padding:2rem 1.5rem}.hero-section{margin-bottom:3rem}.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.submission-card{padding:2rem 1.5rem}.upload-mode-selector{grid-template-columns:1fr}.upload-mode-selector button{border-right:none;border-bottom:1px solid var(--color-gray-light)}.upload-mode-selector button:last-child{border-bottom:none}}.notation-canvas-wrapper{background:var(--color-white);border:1px solid var(--color-gray-light);padding:2rem;margin:0}.notation-canvas{width:100%;height:auto;overflow-x:auto}.vf-stavenote{cursor:pointer;transition:opacity .1s ease}.vf-stavenote:hover{opacity:.6}.vf-stavenote.selected,.vf-stavenote.selected .vf-notehead{fill:var(--color-accent)}.vf-stavenote.selected .vf-stem{stroke:var(--color-accent)}.vf-stavenote.playing{fill:var(--color-black)!important;opacity:1!important}.vf-stavenote.playing .vf-notehead{fill:var(--color-black)!important}.vf-stavenote.playing .vf-stem{stroke:var(--color-black)!important}.vf-stavetext{font-family:var(--font-serif);font-size:.875rem;font-weight:400;font-style:italic;color:var(--color-gray-dark)}.playback-controls{display:flex;align-items:center;gap:1.5rem;padding:1.5rem;background:var(--color-white);margin:0;flex-wrap:wrap;border:1px solid var(--color-gray-light);border-top:none}.playback-controls button{padding:.625rem 1.25rem;font-family:var(--font-sans);font-size:.9375rem;font-weight:500;border:1px solid var(--color-gray-light);background:var(--color-white);border-radius:2px;cursor:pointer;transition:all .15s ease}.playback-controls button:hover:not(:disabled){background:var(--color-black);border-color:var(--color-black);color:var(--color-white)}.playback-controls button:disabled{opacity:.4;cursor:not-allowed}.playback-controls button.active{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-white)}.playback-controls button.active:hover:not(:disabled){background:var(--color-accent-dark);border-color:var(--color-accent-dark)}.tempo-control{display:flex;align-items:center;gap:1rem;padding:.5rem 0}.tempo-control label{display:flex;align-items:center;gap:.625rem;font-family:var(--font-sans);font-size:.875rem;font-weight:500;color:var(--color-gray-dark)}.tempo-control input[type=range]{width:140px;height:2px;background:var(--color-gray-light);outline:none;-webkit-appearance:none}.tempo-control input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:var(--color-black);cursor:pointer}.tempo-control input[type=range]::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--color-black);cursor:pointer;border:none}.tempo-control span{font-family:var(--font-mono);font-weight:600;color:var(--color-black);min-width:45px;text-align:right;font-size:.875rem}.time-display{font-family:var(--font-mono);font-size:.875rem;color:var(--color-gray-dark);font-weight:500;background:var(--color-white);padding:.5rem .75rem;border:1px solid var(--color-gray-light);border-radius:2px}.volume-control{display:flex;align-items:center;gap:.75rem}.volume-control label{display:flex;align-items:center;gap:.5rem;font-family:var(--font-sans);font-size:.875rem;font-weight:500;color:var(--color-gray-dark)}.volume-control input[type=range]{width:100px;height:2px;background:var(--color-gray-light);outline:none;-webkit-appearance:none}.volume-control input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:var(--color-black);cursor:pointer}.volume-control input[type=range]::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--color-black);cursor:pointer;border:none}@media(max-width:768px){.playback-controls{gap:1rem;padding:1.25rem}.playback-controls button{padding:.5rem 1rem;font-size:.875rem}.tempo-control{width:100%;justify-content:space-between}.time-display{width:100%;text-align:center}}.instrument-tabs{display:flex;gap:0;margin-bottom:2rem;border:1px solid var(--color-gray-light);overflow-x:auto}.instrument-tabs.single{justify-content:center}.instrument-badge{display:flex;align-items:center;gap:.625rem;padding:.875rem 1.5rem;background:var(--color-accent);color:var(--color-white);font-family:var(--font-sans);font-weight:500;font-size:.9375rem}.instrument-tab{display:flex;align-items:center;gap:.625rem;padding:.875rem 1.5rem;border-right:1px solid var(--color-gray-light);background-color:var(--color-white);cursor:pointer;transition:all .15s ease;font-family:var(--font-sans);font-size:.9375rem;font-weight:500;white-space:nowrap}.instrument-tab:last-child{border-right:none}.instrument-tab:hover{background-color:var(--color-background)}.instrument-tab.active{background:var(--color-black);color:var(--color-white)}.instrument-tab .instrument-icon,.instrument-badge .instrument-icon{font-size:1.125rem;line-height:1}.instrument-tab .instrument-label,.instrument-badge .instrument-label{font-size:.9375rem}@media(max-width:600px){.instrument-tabs{gap:0}.instrument-tab{padding:.75rem 1rem;font-size:.875rem;flex:1;justify-content:center}.instrument-tab .instrument-icon{font-size:1rem}.instrument-tab .instrument-label{display:none}}.score-header{background:var(--color-white);padding:2rem;margin-bottom:1.5rem;border:1px solid var(--color-gray-light)}.header-top{margin-bottom:1.25rem;padding-bottom:1.25rem;border-bottom:1px solid var(--color-gray-light)}.score-title{margin:0 0 .625rem;font-family:var(--font-serif);font-size:1.75rem;font-weight:700;color:var(--color-black)}.score-composer{margin:0;font-family:var(--font-sans);font-size:1rem;color:var(--color-gray-medium);font-style:italic}.metadata-row{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}.tempo-display{cursor:pointer;font-family:var(--font-mono);font-weight:600;color:var(--color-black);padding:.5rem .75rem;border:1px solid var(--color-gray-light);transition:all .15s ease;-webkit-user-select:none;user-select:none}.tempo-display:hover{background:var(--color-background)}.tempo-input{width:80px;padding:.5rem;font-family:var(--font-mono);font-size:1rem;font-weight:600;color:var(--color-black);border:1px solid var(--color-black);border-radius:2px;outline:none;text-align:center}.tempo-input:focus{border-color:var(--color-accent)}.metadata-divider{color:var(--color-gray-light);font-weight:300}.key-display,.time-display{font-family:var(--font-mono);font-size:.9375rem;color:var(--color-gray-dark)}.metadata-label{font-family:var(--font-sans);font-weight:500;font-size:.875rem;color:var(--color-gray-medium);text-transform:uppercase;letter-spacing:.02em}@media(max-width:600px){.score-header{padding:1.5rem}.metadata-row{flex-direction:column;align-items:flex-start;gap:.75rem}.metadata-divider{display:none}.score-title{font-size:1.5rem}}.score-editor{display:flex;height:100vh;gap:0;margin:0;padding:0}.score-editor.loading{justify-content:center;align-items:center;font-family:var(--font-serif);font-size:1.25rem;color:var(--color-gray-medium)}.score-editor.error{flex-direction:column;justify-content:center;align-items:center;padding:3rem}.editor-sidebar{width:340px;background:var(--color-white);border-right:1px solid var(--color-gray-light);display:flex;flex-direction:column;overflow-y:auto}.editor-sidebar-header{padding:2rem;border-bottom:1px solid var(--color-gray-light)}.editor-sidebar-header h2{font-family:var(--font-serif);margin:0 0 .625rem;font-size:1.25rem;color:var(--color-black);font-weight:700}.editor-sidebar-header .subtitle{font-size:.875rem;color:var(--color-gray-medium)}.editor-sidebar-content{flex:1;padding:2rem;display:flex;flex-direction:column;gap:2.5rem}.sidebar-section{display:flex;flex-direction:column;gap:1rem}.sidebar-section-title{font-family:var(--font-sans);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--color-gray-medium);margin:0 0 .5rem}.sidebar-actions{display:flex;flex-direction:column;gap:.75rem;padding:2rem;border-top:1px solid var(--color-gray-light)}.sidebar-actions button{width:100%;padding:.875rem 1.25rem;font-size:.9375rem;font-weight:500;border:1px solid var(--color-gray-light);background:var(--color-white);border-radius:2px;cursor:pointer;transition:all .15s ease}.sidebar-actions button:hover:not(:disabled){background:var(--color-black);border-color:var(--color-black);color:var(--color-white)}.sidebar-actions button.primary{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-white)}.sidebar-actions button.primary:hover:not(:disabled){background:var(--color-accent-dark);border-color:var(--color-accent-dark)}.editor-main{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--color-background)}.editor-main-header{padding:1.5rem 2rem;background:var(--color-white);border-bottom:1px solid var(--color-gray-light);display:flex;align-items:center;justify-content:space-between}.editor-main-content{flex:1;overflow:auto;padding:3rem}.sidebar-playback-controls{display:flex;flex-direction:column;gap:1.25rem}.playback-buttons{display:flex;gap:.5rem}.playback-buttons button{flex:1;padding:.75rem;font-size:.875rem;border:1px solid var(--color-gray-light);background:var(--color-white);border-radius:2px;cursor:pointer;transition:all .15s ease}.playback-buttons button:hover:not(:disabled){background:var(--color-black);border-color:var(--color-black);color:var(--color-white)}.playback-buttons button:disabled{opacity:.4;cursor:not-allowed}.playback-buttons button.active{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-white)}.sidebar-tempo{display:flex;flex-direction:column;gap:.75rem}.sidebar-tempo label{font-size:.875rem;color:var(--color-gray-dark);font-weight:500}.tempo-slider{display:flex;align-items:center;gap:1rem}.tempo-slider input[type=range]{flex:1;height:2px;background:var(--color-gray-light);outline:none;-webkit-appearance:none}.tempo-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:var(--color-black);cursor:pointer}.tempo-slider input[type=range]::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--color-black);cursor:pointer;border:none}.tempo-value{font-family:var(--font-mono);font-weight:600;color:var(--color-black);min-width:50px;text-align:right;font-size:.875rem}.sidebar-score-header{display:flex;flex-direction:column;gap:.625rem}.sidebar-score-title{font-family:var(--font-serif);font-size:1.125rem;font-weight:700;color:var(--color-black);margin:0}.sidebar-score-composer{font-size:.9375rem;color:var(--color-gray-medium);font-style:italic;margin:0}.sidebar-metadata{display:flex;flex-direction:column;gap:.625rem;padding:1rem;border:1px solid var(--color-gray-light)}.metadata-item{display:flex;justify-content:space-between;font-size:.875rem}.metadata-label{color:var(--color-gray-medium);font-weight:500}.metadata-value{font-family:var(--font-mono);color:var(--color-black)}.sidebar-instrument-tabs{display:flex;flex-direction:column;gap:0;border:1px solid var(--color-gray-light)}.sidebar-instrument-tab{padding:.875rem 1rem;border-bottom:1px solid var(--color-gray-light);background:var(--color-white);cursor:pointer;transition:all .15s ease;font-size:.9375rem;font-weight:500}.sidebar-instrument-tab:last-child{border-bottom:none}.sidebar-instrument-tab:hover{background:var(--color-background)}.sidebar-instrument-tab.active{background:var(--color-black);color:var(--color-white)}@media(max-width:1024px){.score-editor{flex-direction:column;height:auto}.editor-sidebar{width:100%;border-right:none;border-bottom:1px solid var(--color-gray-light)}.editor-main-content{padding:2rem}}@media(max-width:768px){.editor-sidebar-header,.editor-sidebar-content,.sidebar-actions,.editor-main-content{padding:1.5rem}}.editor-toolbar{padding:1rem 2rem;background:var(--color-white);border-bottom:1px solid var(--color-gray-light);display:flex;align-items:center;gap:1.5rem}.toolbar-group{display:flex;gap:.5rem}.toolbar-button{padding:.625rem 1rem;font-size:.875rem;font-weight:500;border:1px solid var(--color-gray-light);background:var(--color-white);border-radius:2px;cursor:pointer;transition:all .15s ease}.toolbar-button:hover:not(:disabled){background:var(--color-black);border-color:var(--color-black);color:var(--color-white)}.toolbar-button:disabled{opacity:.4;cursor:not-allowed}.app{min-height:100vh;background:var(--color-white);color:var(--color-black);position:relative}.back-button{position:fixed;top:2rem;left:2rem;z-index:1000;padding:.625rem 1.25rem;background:var(--color-white);color:var(--color-black);border:1px solid var(--color-gray-light);border-radius:2px;font-family:var(--font-sans);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .15s ease}.back-button:hover{background:var(--color-black);color:var(--color-white);border-color:var(--color-black)}