*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #141420;--bg-card: #1c1b2e;--bg-input: #232140;--border: #2e2b4a;--border-interactive: #4a3d6e;--accent: #9b7dd4;--accent-hover: #8466be;--accent-bright: #b59bf5;--text: #e8e5f0;--text-white: #ffffff;--text-muted: #8b87a0;--text-dim: #6b6780;--sheet-bg: #000;--sheet-drag: #111;--sheet-invert: invert(.9);--divider: #555;--google-bg: #fff;--google-bg-hover: #f5f5f5;--google-border: #ddd;--google-text: #333}[data-theme=light]{--bg: #f5f3f8;--bg-card: #ffffff;--bg-input: #eeeaf4;--border: #d8d4e0;--border-interactive: #b5aec6;--accent: #7b5fbf;--accent-hover: #6a4fad;--accent-bright: #9b7dd4;--text: #1a1820;--text-white: #ffffff;--text-muted: #6b6780;--text-dim: #9590a8;--sheet-bg: #f5f5f0;--sheet-drag: #e8e8e0;--sheet-invert: none;--divider: #c0bcc8;--google-bg: #fff;--google-bg-hover: #f0edf5;--google-border: #d0cdd8;--google-text: #333}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);height:100vh;overflow:hidden}#app{display:flex;flex-direction:column;height:100vh}#app-header{background:var(--bg-card);padding:12px 24px;border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between}.header-brand{font-size:1.1rem;font-weight:600;color:var(--accent);text-decoration:none;display:flex;align-items:center;gap:8px}.header-logo{height:24px;width:auto}.header-user{display:flex;align-items:center;gap:12px}.header-email{font-size:.8rem;color:var(--text-muted)}#app-content{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.theme-toggle{background:none!important;border:none!important;padding:4px!important;font-size:1.2rem;cursor:pointer;color:var(--text-muted);transition:color .2s;line-height:1}.theme-toggle:hover{color:var(--accent)!important;background:none!important}.login-page{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 20px;overflow-y:auto}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:40px;width:100%;max-width:400px}.login-card h1{color:var(--accent);font-size:1.5rem;margin-bottom:8px}.login-subtitle{color:var(--text-white);font-size:.875rem;margin-bottom:24px}[data-theme=light] .login-subtitle{color:var(--text)}.login-error{background:#e9456026;border:1px solid #e94560;color:#e94560;padding:10px 14px;border-radius:6px;font-size:.85rem;margin-bottom:16px}.login-success{background:#2d6a4f33;border:1px solid #2d6a4f;color:#52b788;padding:10px 14px;border-radius:6px;font-size:.85rem;margin-bottom:16px}#auth-form{display:flex;flex-direction:column;gap:12px}#auth-form input{padding:10px 14px;background:var(--bg-input);border:1px solid var(--border-interactive);border-radius:6px;color:var(--text);font-size:.875rem;outline:none}#auth-form input:focus{border-color:var(--accent)}#auth-form input::placeholder{color:var(--text-dim)}#auth-form button[type=submit]{padding:10px;background:var(--accent);border:none;border-radius:6px;color:#fff;font-size:.875rem;font-weight:600;cursor:pointer}#auth-form button:hover{background:var(--accent-hover)}.login-divider{display:flex;align-items:center;margin:20px 0;color:var(--divider);font-size:.8rem}.login-divider:before,.login-divider:after{content:"";flex:1;border-bottom:1px solid var(--border)}.login-divider span{padding:0 12px}.google-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:10px;background:var(--google-bg);border:1px solid var(--google-border);border-radius:6px;color:var(--google-text);font-size:.875rem;font-weight:500;text-decoration:none;cursor:pointer}.google-btn:hover{background:var(--google-bg-hover)}.login-toggle{text-align:center;margin-top:20px;font-size:.8rem;color:var(--text-muted)}.login-toggle a{color:var(--accent);text-decoration:none}.library-page{padding:32px 24px;max-width:1000px;margin:0 auto;width:100%;flex:1;overflow-y:auto}.library-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.library-header h2{font-size:1.25rem;color:var(--text)}.empty-state{text-align:center;color:var(--text-dim);padding:60px 20px;font-size:.95rem}.score-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.score-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:border-color .2s}.score-card:hover{border-color:var(--border-interactive)}.score-card-thumb{width:100%;aspect-ratio:1;overflow:hidden;background:var(--bg-input)}.score-card-image{width:100%;height:100%;object-fit:cover}.score-card-image-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:3rem;color:var(--text-dim)}.score-card-body{padding:20px}.score-card h3{font-size:1rem;color:var(--text);margin-bottom:4px}.score-author{font-size:.75rem;color:var(--text-muted);margin-bottom:2px}.score-date{font-size:.8rem;color:var(--text-dim)}.library-section{margin-top:40px}.score-card-actions{display:flex;border-top:1px solid var(--border)}.score-card-actions button{flex:1;padding:10px;border:none;border-radius:0;font-size:.8rem;cursor:pointer}.btn-view{background:var(--bg-input);color:var(--text);border-right:1px solid var(--border)!important}.btn-view:hover{background:var(--border-interactive)}.btn-publish{background:transparent;color:var(--accent);border-right:1px solid var(--border)!important}.btn-publish:hover{background:#9b7dd41a}.btn-delete{background:transparent;color:#e94560}.btn-delete:hover{background:#e945601a}.btn-edit{padding:6px 14px;font-size:.8rem}.btn-view-public{background:var(--bg-input);color:var(--text);flex:1}.btn-view-public:hover{background:var(--border-interactive)}.btn-primary{padding:8px 20px;background:var(--accent);border:none;border-radius:6px;color:#fff;font-size:.875rem;font-weight:600;cursor:pointer}.btn-primary:hover{background:var(--accent-hover)}.viewer-page{display:flex;flex-direction:column;flex:1;min-height:0}.viewer-toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:12px 24px;background:var(--bg-card);border-bottom:1px solid var(--border)}.viewer-title{font-size:1rem;font-weight:600;color:var(--text);flex:1}.viewer-main{display:flex;flex:1;min-height:0;overflow:hidden}.save-bar{display:flex;gap:12px;align-items:center;padding:12px 24px;background:var(--bg-input);border-bottom:1px solid var(--border-interactive);flex-wrap:wrap}.save-fields{display:flex;flex:1;gap:8px;min-width:0}.save-bar input{flex:1;padding:8px 12px;background:var(--bg-card);border:1px solid var(--border-interactive);border-radius:6px;color:var(--text);font-size:.875rem;outline:none;min-width:0}.save-fields #score-title{flex:2}.save-bar input:focus{border-color:var(--accent)}.save-bar input::placeholder{color:var(--text-dim)}.album-image-upload{flex-shrink:0}.album-image-upload input[type=file]{display:none}.album-image-label{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:6px;border:2px dashed var(--border-interactive);cursor:pointer;overflow:hidden;transition:border-color .2s}.album-image-label:hover{border-color:var(--accent)}.album-image-placeholder{font-size:1.25rem;color:var(--text-dim)}.album-image-preview{width:100%;height:100%;object-fit:cover}.input-group{display:flex;align-items:center;gap:8px}.url-group{flex:1;min-width:200px}.file-label{display:inline-flex;align-items:center;padding:8px 16px;background:var(--bg-input);border:1px solid var(--border-interactive);border-radius:6px;cursor:pointer;font-size:.875rem;color:var(--text);transition:background .2s}.file-label:hover{background:var(--border-interactive)}.file-label input[type=file]{display:none}#url-input{flex:1;padding:8px 12px;background:var(--bg-input);border:1px solid var(--border-interactive);border-radius:6px;color:var(--text);font-size:.875rem;outline:none}#url-input:focus{border-color:var(--accent)}#url-input::placeholder{color:var(--text-dim)}button{padding:8px 16px;background:var(--bg-input);border:1px solid var(--border-interactive);border-radius:6px;color:var(--text);font-size:.875rem;cursor:pointer;transition:background .2s}button:hover{background:var(--border-interactive)}button:disabled{opacity:.5;cursor:default}.btn-audio{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn-audio:hover{background:var(--accent-hover)}.btn-audio.audio-ready{background:#2d6a4f;border-color:#2d6a4f}.playback-controls{display:flex;align-items:center;gap:4px;margin-left:4px;padding-left:12px;border-left:1px solid var(--border)}.btn-playback{width:36px;height:36px;padding:0;display:flex;align-items:center;justify-content:center;font-size:.85rem;border-radius:50%;background:var(--bg-input);border:1px solid var(--border-interactive);color:var(--text);cursor:pointer;transition:background .2s}.btn-playback:hover{background:var(--border-interactive)}.btn-play{background:var(--accent);border-color:var(--accent);color:#fff}.btn-play:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-pause{background:var(--accent);border-color:var(--accent);color:#fff}.btn-pause:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-stop{width:48px;height:48px;font-size:1.25rem}#sheet-music{flex:1;overflow-y:auto;padding:20px;background:var(--sheet-bg)}#sheet-music.drag-over{background:var(--sheet-drag);outline:3px dashed var(--border-interactive);outline-offset:-10px}.bulk-progress{text-align:center;padding:80px 20px;color:var(--text-muted);display:flex;flex-direction:column;align-items:center;gap:16px}#sheet-music .placeholder,#sheet-music .loading,.loading{color:var(--text-muted);text-align:center;padding:80px 20px;font-size:1rem}#sheet-music .error,.error{color:#c0392b;text-align:center;padding:80px 20px}.sheet-page{margin-bottom:10px;filter:invert(1)}[data-theme=light] .sheet-page{filter:none}.sheet-page svg{width:100%;height:auto}#sheet-music g.note{cursor:pointer}#sheet-music g.note:hover use{fill:#888}#sheet-music g.note.selected use{fill:var(--accent-bright)}#sheet-music g.note.playing use{fill:#e67e22}#sheet-music g.note.playing.selected use{fill:#e67e22}#sheet-music g.measure.playing-measure>rect{fill:#9b7dd41f}[data-theme=light] #sheet-music g.measure.playing-measure>rect{fill:#7b5fbf14}.note-label{pointer-events:none;user-select:none}#sidebar{width:320px;background:var(--bg-card);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}#info-panel{padding:20px;border-bottom:1px solid var(--border)}#info-panel h2{font-size:.875rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:12px}#info-panel .placeholder{color:var(--text-dim);font-size:.875rem}.note-detail .note-name{display:block;font-size:2.5rem;font-weight:700;color:var(--accent);margin-bottom:12px}.note-detail table{width:100%;border-collapse:collapse}.note-detail td{padding:6px 0;font-size:.875rem;color:var(--text);border-bottom:1px solid var(--border)}.note-detail td:first-child{color:var(--text-muted);width:40%}#piano-container{padding:20px}#piano-container h2{font-size:.875rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:12px}.piano-keyboard{width:100%;height:auto}.piano-key.white{fill:#fff;stroke:#ccc;stroke-width:.5}.piano-key.black{fill:#222;stroke:#000;stroke-width:.5}.piano-key.active{fill:var(--accent-bright)!important}.piano-key-label{font-size:7px;fill:#aaa;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;user-select:none}.header-nav{display:flex;gap:4px}.header-nav-link{padding:6px 14px;border-radius:6px;font-size:.85rem;color:var(--text-muted);text-decoration:none;transition:background .2s,color .2s}.header-nav-link:hover{background:var(--bg-input);color:var(--text)}.chords-page{flex:1;overflow-y:auto;padding:32px 24px;max-width:900px;margin:0 auto;width:100%}.chords-header{margin-bottom:28px}.chords-header h2{font-size:1.25rem;color:var(--text);margin-bottom:4px}.chords-subtitle{font-size:.85rem;color:var(--text-muted)}.chords-section{margin-bottom:28px}.chords-section-title{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:12px}.chord-grid{display:flex;flex-wrap:wrap;gap:8px}.chord-btn{width:64px;height:56px;display:flex;align-items:center;justify-content:center;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:border-color .2s,background .2s}.chord-btn:hover{border-color:var(--accent);background:var(--bg-input)}.chord-btn.chord-active{border-color:var(--accent);background:#9b7dd426}.chord-symbol{font-size:1rem;font-weight:600;color:var(--text)}.chord-active .chord-symbol{color:var(--accent-bright)}.chord-info{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:16px 20px;margin-bottom:28px}.chord-info-detail{display:flex;align-items:baseline;gap:16px}.chord-info-name{font-size:1.5rem;font-weight:700;color:var(--accent)}.chord-info-notes{font-size:.95rem;color:var(--text-muted)}.chord-info-placeholder{font-size:.9rem;color:var(--text-dim)}.chords-piano{margin-bottom:32px}.chords-piano-container{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:16px}@media(max-width:800px){.viewer-main{flex-direction:column}#sidebar{width:100%;border-left:none;border-top:1px solid var(--border)}.score-grid{grid-template-columns:1fr}.save-bar{padding:10px 16px}.save-fields{flex-wrap:wrap;flex-basis:100%}.save-fields input{flex-basis:calc(50% - 4px)}.save-fields #score-title{flex-basis:100%}}