:root{--bg: #050505;--surface: #0a0a0a;--text: #ffffff;--text-dim: #b4b4b4;--accent: #cc4444;--border: rgba(255, 255, 255, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Space Mono,Courier New,monospace;background-color:var(--bg);color:var(--text);min-height:100vh;display:flex;justify-content:center;align-items:center;padding:1vmin 2vmin}.app-container{width:100%;max-width:1800px;height:95vh;display:flex;flex-direction:column;gap:0}main{display:flex;flex-direction:row;gap:16px;flex:1;min-height:0}.dashboard-left{flex:0 0 200px;display:flex;flex-direction:column;gap:10px;border-right:1px solid var(--border);padding-right:14px;overflow-y:auto}header{margin-bottom:4px;padding-bottom:10px;border-bottom:1px solid var(--border)}.header-link{text-decoration:none;display:inline-block}header h1{font-weight:600;font-size:1.1rem;letter-spacing:2px;text-transform:uppercase;color:var(--text)}header p{color:var(--text);font-size:.65rem;font-weight:600;margin-top:3px;text-transform:uppercase}.viewport-right{flex:1;display:flex;flex-direction:column;gap:10px;min-width:0;min-height:0}.video-section{flex:0 0 auto;width:50%;aspect-ratio:16/9;border:1px solid var(--border);background:#000;position:relative;overflow:hidden}.video-wrapper{position:absolute;top:0;left:0;right:0;bottom:0}video{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .5s}video.active{opacity:1}#processCanvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;opacity:0}.upload-placeholder{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;justify-content:center;align-items:center;color:var(--text-dim);cursor:pointer;font-size:.8rem;text-transform:uppercase;transition:color .3s}.upload-placeholder .icon{font-size:3rem;margin-bottom:10px}.video-wrapper:hover .upload-placeholder{color:var(--primary)}.feature-grid-section{width:100%;flex:1 1 0;min-height:0;display:flex;align-items:start}.feature-grid-wrapper{position:relative;width:100%;background:transparent}#featureGridWrapper>canvas{display:block!important;width:100%!important;height:100%!important;opacity:1!important;image-rendering:auto}.feature-labels{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:10}.feature-placeholders{position:absolute;top:0;left:0;width:100%;height:100%;display:grid;pointer-events:none;z-index:1;transition:opacity .4s}.feature-grid-wrapper.playing .feature-placeholders{opacity:0}.feature-placeholder-tile{border:1px solid var(--border);background:var(--surface)}.feature-label-row{pointer-events:none}.feature-label{padding:4px 0;font-size:.55rem;font-weight:600;color:var(--text);text-transform:uppercase;letter-spacing:1px}.music-panel{background:transparent;border:1px solid var(--border);padding:10px;display:flex;flex-direction:column;gap:10px}.music-panel-row{display:flex;justify-content:space-between;align-items:center}.music-panel-main{flex-wrap:wrap;border-bottom:1px solid var(--border);padding-bottom:10px}.music-key{display:flex;flex-direction:column}.music-key-note{font-size:1.2rem;font-weight:700;color:var(--accent);line-height:1}.music-key-scale{font-size:.7rem;color:var(--text-dim);text-transform:uppercase}.music-tempo{display:flex;align-items:baseline;gap:4px}.music-tempo-value{font-size:1rem;font-weight:500}.music-tempo-unit{font-size:.7rem;color:var(--text-dim)}.music-chord{font-size:.8rem;color:var(--text);padding:2px 6px;border:1px solid var(--border);border-radius:4px;flex-basis:100%;margin-top:6px}.music-panel-layers{display:flex;justify-content:space-between}.music-layer{font-size:.7rem;font-weight:600;color:var(--text-dim);transition:color .2s;background:transparent;border-radius:0;padding:2px 5px}.music-layer.active{color:var(--text);background:transparent;box-shadow:none;border-bottom:1px solid var(--accent)}.music-panel-params{display:grid;grid-template-columns:1fr 1fr;gap:10px}.music-param{display:flex;flex-direction:column;gap:4px}.music-param-label{font-size:.65rem;font-weight:600;color:var(--text);text-transform:uppercase}.music-param-bar{height:4px;background:var(--border);width:100%;border-radius:0}.music-param-fill{height:100%;background:var(--accent);width:0%;transition:width .1s linear;border-radius:0}.controls-bar{display:flex;flex-direction:column;gap:8px;padding:8px 0}.controls-row{display:flex;gap:6px;align-items:center}.controls-row:first-child{display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:center}#playBtn{width:100%;height:38px;font-size:.95rem;font-weight:600;letter-spacing:2px;background:var(--accent);color:#fff;border-color:var(--accent)}#playBtn:hover:not(:disabled){background:#d95555;border-color:#d95555;color:#fff;transform:none;box-shadow:none}#playBtn:disabled{background:transparent;color:var(--accent);border-color:var(--accent);opacity:.4}.btn-icon,.btn-text{background:transparent;border:1px solid var(--border);color:var(--text);cursor:pointer;display:flex;justify-content:center;align-items:center;transition:all .2s;text-transform:uppercase;font-family:inherit;font-size:.8rem;border-radius:0}.btn-icon{width:30px;height:30px;font-size:.7rem}.btn-text{padding:0 10px;height:28px}.btn-full{width:100%}.btn-icon:hover:not(:disabled),.btn-text:hover:not(:disabled){border-color:var(--accent);color:var(--accent);transform:none;box-shadow:none}.btn-icon:disabled,.btn-text:disabled{opacity:.3;cursor:not-allowed}.seek-slider{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:2px;background:var(--border);outline:none;border-radius:0}.seek-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:10px;height:10px;background:var(--accent);cursor:pointer;box-shadow:none;border-radius:0}.seek-slider::-webkit-slider-thumb:hover{transform:none}#timeDisplay{font-size:.65rem;color:var(--text-dim);font-family:inherit;min-width:unset;text-align:left;font-weight:400;letter-spacing:normal}.settings-panel{display:flex;flex-direction:column;gap:10px}.control-group{display:flex;flex-direction:column;gap:5px}label{font-size:.75rem;font-weight:600;color:var(--text);text-transform:uppercase}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:2px;background:var(--border);outline:none;border:none;padding:0;border-radius:0}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:8px;height:15px;background:var(--text);cursor:pointer;border-radius:0;box-shadow:none}.status-display{padding-top:15px;border-top:1px dashed var(--border);display:flex;flex-direction:column;gap:5px;text-align:left;margin-top:0}.musical-info{font-family:Courier New,monospace;font-size:.8rem;color:var(--text-dim);letter-spacing:.5px;min-height:1.2em}.toggle-group{display:flex;flex-wrap:wrap;background:transparent;border:1px solid var(--border);width:100%}.toggle-group input[type=radio]{display:none}.toggle-group label{flex:1;text-align:center;padding:5px 0;font-size:.7rem;font-weight:600;color:var(--text);cursor:pointer;text-transform:uppercase}.toggle-group input[type=radio]:checked+label{background:var(--accent);color:var(--bg)}.signup-link{display:inline-block;margin-top:8px;padding:4px 10px;font-size:.65rem;font-family:inherit;color:var(--accent);text-transform:uppercase;text-decoration:none;letter-spacing:1.5px;border:1px solid var(--accent);transition:background .2s,color .2s}.signup-link:hover{background:var(--accent);color:var(--bg)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-overlay[hidden]{display:none}.modal{background:var(--surface);border:1px solid var(--border);padding:30px;width:320px;position:relative;display:flex;flex-direction:column;gap:12px}.modal-close{position:absolute;top:8px;right:12px;background:none;border:none;color:var(--text-dim);font-size:1.2rem;cursor:pointer;line-height:1;transition:color .2s}.modal-close:hover{color:var(--text)}.modal-title{font-size:.9rem;font-weight:600;text-transform:uppercase;letter-spacing:2px;color:var(--text)}.modal-desc{font-size:.7rem;color:var(--text-dim);text-transform:uppercase}.modal-input{width:100%;padding:8px 10px;background:var(--bg);border:1px solid var(--border);color:var(--text);font-family:inherit;font-size:.8rem;outline:none;border-radius:0}.modal-input:focus{border-color:var(--accent)}.modal-input::placeholder{color:var(--text-dim)}.modal-submit{margin-top:4px;height:34px}.modal-success{font-size:.75rem;color:var(--accent);text-transform:uppercase;letter-spacing:1px}.modal-success[hidden],.mobile-lens-notice{display:none}@media (max-width: 768px){body{padding:8px;align-items:flex-start}.app-container{height:auto;min-height:100vh}main{display:flex;flex-direction:column;gap:12px}.dashboard-left,.viewport-right{display:contents}header{order:1}.video-section{order:2;width:100%}.controls-bar{order:3}.music-panel{order:4}.settings-panel{order:5}.feature-grid-section{order:6;width:100%}header{margin:0;padding-bottom:10px;border-bottom:1px solid var(--border)}header h1{font-size:1.25rem}.controls-row{flex-wrap:wrap}.controls-row:first-child{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center}#chooseVideoBtn{height:48px;padding:0 16px;font-size:.8rem}#playBtn{width:100%;height:56px;font-size:1.4rem;font-weight:600;background:var(--accent);color:#fff;border-color:var(--accent);letter-spacing:2px}#playBtn:disabled{background:transparent;color:var(--accent);border-color:var(--accent);opacity:.45}#stopBtn{width:48px;height:48px;font-size:.9rem}.btn-icon{width:44px;height:44px}.btn-text{height:40px}.seek-slider{height:4px}.seek-slider::-webkit-slider-thumb{width:20px;height:20px;border-radius:50%}.music-key-note{font-size:1.4rem}.music-tempo-value{font-size:1.2rem}.music-chord{font-size:.9rem;padding:4px 8px}.music-layer{padding:6px 8px;font-size:.75rem}.toggle-group label{padding:12px 0;font-size:.7rem}.feature-grid-section,.feature-grid-wrapper{min-height:120px}.mobile-lens-notice{display:block;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:20;text-align:center;font-size:.65rem;color:var(--text);text-transform:uppercase;letter-spacing:1.5px;line-height:1.8;padding:14px 20px;background:#050505bf;border:1px solid var(--border);pointer-events:none}}