:root{--primary:#007f8b;--primary-hover:#006069;--primary-soft:#007f8b14;--primary-border:#007f8b59;--bg-color:#f8f9fa;--background-color:#f8f9fa;--surface:#fff;--surface-color:#fff;--surface-color-hover:#f1f5f9;--text-main:#202124;--text-primary:#202124;--text-secondary:#5f6368;--border-color:#e0e0e0;--sidebar-width:296px;--controls-width:330px;--radius-sm:8px;--radius-md:12px;--shadow-sm:0 1px 3px #0000001f;--shadow-md:0 4px 6px #0000001a;--header-height:64px;--secondary:#5f6368;--secondary-hover:#3c4043}*{box-sizing:border-box}.audio-viewport .results-container.active{display:block}html{height:100%}body{color:var(--text-main);background:var(--bg-color);-webkit-font-smoothing:antialiased;height:100vh;margin:0;font-family:Google Sans,Roboto,sans-serif;overflow:hidden}#app{width:100%;height:100%}.app-container{height:100%;display:flex}.sidebar{width:var(--sidebar-width);background:var(--surface);border-right:1px solid var(--border-color);z-index:10;flex-direction:column;flex-shrink:0;min-height:0;display:flex;overflow-y:auto;box-shadow:2px 0 5px #0000000d}.controls-panel{width:var(--controls-width);background:var(--surface);border-right:1px solid var(--border-color);flex-direction:column;flex-shrink:0;min-height:0;padding:24px;display:flex;overflow-y:auto}.sidebar-header{min-height:var(--header-height);border-bottom:1px solid var(--border-color);align-items:center;padding:16px 24px;display:flex}.sidebar-logo-text{color:var(--text-secondary);align-items:center;gap:12px;font-size:1.25rem;font-weight:500;display:flex}.sidebar-nav ul{margin:0;padding:12px 16px;list-style:none}.nav-button{text-align:left;border-radius:var(--radius-sm);width:100%;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;align-items:center;margin-bottom:8px;padding:12px 16px;font-family:inherit;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-audio{--nav-color:#ef6c00;--nav-bg:#fff3e0}.nav-decision{--nav-color:#8e24aa;--nav-bg:#f3e5f5}.nav-retrieval{--nav-color:#00897b;--nav-bg:#e0f2f1}.nav-text{--nav-color:#1e88e5;--nav-bg:#e3f2fd}.nav-vision{--nav-color:#43a047;--nav-bg:#e8f5e9}.nav-button:hover{background:var(--nav-bg,var(--primary-soft));color:var(--nav-color,var(--primary));padding-left:20px}.nav-button.active{background:var(--nav-bg,var(--primary-soft));color:var(--nav-color,var(--primary));border-left:3px solid var(--nav-color,var(--primary));padding-left:13px;font-weight:600}.category-header{text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-top:8px;padding:16px 24px 8px;font-size:.75rem;font-weight:600}.sidebar-nav{flex:1}.sidebar-footer{border-top:1px solid var(--border-color);margin-top:auto;padding:16px 24px}.sidebar-footer-link{color:var(--text-secondary);align-items:center;gap:8px;font-size:.875rem;font-weight:500;text-decoration:none;transition:color 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0;flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;min-width:0;min-height:0;display:flex;position:relative;overflow:hidden}.section-title{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-top:8px;margin-bottom:16px;font-size:.75rem;font-weight:600}.section-title:first-child{margin-top:0}.tabs-container{border-radius:var(--radius-sm);background:#f1f3f4;gap:4px;margin-bottom:16px;padding:4px;display:flex}.tab-button{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;justify-content:center;align-items:center;gap:6px;padding:8px;font-size:.85rem;font-weight:500;transition:all .2s;display:flex}.tab-button:hover{color:var(--text-main)}.tab-button.active{background:var(--surface);color:var(--primary);box-shadow:0 1px 2px #0000000d}.tab-content{display:none}.tab-content.active{animation:.3s fadeIn;display:block}@keyframes 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.preview-container img,.viewport:not(.audio-viewport) .preview-container .canvas-wrapper img{width:auto;max-width:100cqw;height:auto;max-height:100cqh}.dropzone-content{padding:28px 16px}.large-icon{font-size:48px}select,textarea,input[type=text],input[type=number]{font-size:16px!important}.range-slider{box-sizing:content-box;background-clip:content-box;height:6px;padding:12px 0}.range-slider::-webkit-slider-thumb{width:24px;height:24px}.action-button,.tab-button,.view-tab{min-height:40px}.score-container{width:120px}}@media (hover:none){.nav-button:hover{padding-left:16px}.nav-button.active:hover{padding-left:13px}.classification-row:hover{transform:none}}.audio-viewport{padding-top:20px;justify-content:flex-start!important}.audio-viewport .view-content.active{flex:none;height:auto;margin-bottom:12px}.audio-viewport .results-container{box-sizing:border-box;width:100%;max-width:600px;margin-top:10px;padding:0 10px}.progress-container{background:#e0e0e0;border-radius:2px;width:100%;margin-top:12px;overflow:hidden}.progress-bar{background:var(--primary);border-radius:2px;width:0%;height:4px;transition:width .2s}.progress-text{color:var(--text-secondary);text-align:center;margin-top:4px;font-size:.75rem}.classification-results{box-sizing:border-box;flex-direction:column;flex-shrink:0;gap:6px;width:100%;max-width:900px;min-height:0;margin:8px auto 0;display:flex}.classification-row{background:var(--surface);border:1px solid var(--border-color);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;gap:12px;padding:8px 14px;transition:all .2s;display:flex}.classification-row:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-2px)}.category-name{color:var(--text-main);text-transform:capitalize;white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:.9rem;font-weight:500;overflow:hidden}.score-container{flex-shrink:0;align-items:center;gap:12px;width:160px;display:flex}.score-bar{background:#e0e0e0;border-radius:4px;flex:1;height:8px;position:relative;overflow:hidden}.score-bar:after{content:"";width:var(--width,0%);background:var(--primary);border-radius:4px;transition:width .4s ease-out;position:absolute;top:0;bottom:0;left:0}.score-track{background:#e0e0e0;border-radius:4px;flex:1;height:8px;overflow:hidden}.score-fill{background:var(--primary);border-radius:4px;height:100%;transition:width .3s cubic-bezier(.4,0,.2,1)}.score-text{text-align:right;width:40px;color:var(--text-secondary);font-family:Roboto 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