:root{--bg: #0a0a0f;--surface: #12121a;--surface-2: #1a1a25;--border: #2a2a3a;--text: #e8e8ef;--text-2: #8888a0;--accent: #6c5ce7;--accent-light: #a29bfe;--green: #00b894;--red: #ff6b6b;--yellow: #ffd93d;--radius: 12px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--mono: "SF Mono", "Cascadia Code", "Fira Code", monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;padding:2rem;max-width:1200px;margin:0 auto}header{text-align:center;margin-bottom:2rem}header h1{font-size:2rem;font-weight:700}.subtitle{color:var(--text-2);margin-top:.5rem}.btn{padding:.5rem 1.25rem;border-radius:8px;border:1px solid var(--border);cursor:pointer;font-size:.9rem;font-family:var(--font);transition:background .2s,border-color .2s}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}.btn-accent:hover:not(:disabled){background:#5b4bd5}.btn-green{background:var(--green);border-color:var(--green);color:#fff}.btn-green:hover:not(:disabled){background:#00a381}.btn-ghost{background:var(--surface-2);color:var(--text)}.btn-ghost:hover:not(:disabled){background:var(--accent);color:#fff}.toolbar{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}.validation-msg{background:#ff6b6b1a;border:1px solid var(--red);border-radius:8px;padding:.75rem 1rem;color:var(--red);font-size:.85rem;margin-bottom:1rem}.hidden{display:none!important}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem}.card h2{font-size:1.25rem;margin-bottom:1rem}.card h3{font-size:1.1rem;margin-bottom:.75rem}.classes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}.class-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.class-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem}.class-label-input{flex:1;background:var(--surface-2);border:1px solid var(--border);border-radius:6px;padding:.4rem .75rem;color:var(--text);font-size:.95rem;font-family:var(--font)}.class-label-input:focus{outline:none;border-color:var(--accent)}.class-count{font-family:var(--mono);font-size:.8rem;color:var(--text-2);white-space:nowrap}.class-remove-btn{background:none;border:none;color:var(--text-2);cursor:pointer;font-size:1.1rem;padding:.25rem;line-height:1}.class-remove-btn:hover{color:var(--red)}.class-dropzone{border:2px dashed var(--border);border-radius:8px;padding:1.5rem 1rem;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;font-size:.85rem;color:var(--text-2)}.class-dropzone:hover,.class-dropzone.dragover{border-color:var(--accent);background:#6c5ce70d}.class-dropzone-label{color:var(--accent-light);cursor:pointer;text-decoration:underline}.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(60px,1fr));gap:6px;margin-top:.75rem}.thumb-wrapper{position:relative;aspect-ratio:1;border-radius:6px;overflow:hidden;background:var(--surface-2)}.thumb-wrapper img{width:100%;height:100%;object-fit:cover}.thumb-remove{position:absolute;top:2px;right:2px;background:#000000b3;color:var(--red);border:none;border-radius:50%;width:18px;height:18px;font-size:12px;line-height:1;cursor:pointer;display:none;align-items:center;justify-content:center}.thumb-wrapper:hover .thumb-remove{display:flex}.training-status{color:var(--text-2);margin-bottom:1rem;font-size:.95rem}.progress-bar-container{background:var(--surface-2);border-radius:6px;height:8px;overflow:hidden;margin-bottom:1rem}.progress-bar{height:100%;background:var(--accent);border-radius:6px;width:0%;transition:width .3s}.training-log{font-family:var(--mono);font-size:.8rem;color:var(--text-2);max-height:200px;overflow-y:auto;line-height:1.6}.accuracy-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem;margin-bottom:1rem}.stat-box{background:var(--surface-2);border-radius:8px;padding:1rem;text-align:center}.stat-value{font-size:1.5rem;font-weight:700;font-family:var(--mono);color:var(--accent-light)}.stat-label{font-size:.8rem;color:var(--text-2);margin-top:.25rem}.test-area{display:flex;gap:1rem;align-items:flex-start;flex-wrap:wrap}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;flex:1;min-width:200px}.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:#6c5ce70d}.dropzone-icon{font-size:2rem;display:block;margin-bottom:.5rem}.file-label{color:var(--accent-light);cursor:pointer;text-decoration:underline}.test-result{margin-top:1.5rem;display:flex;gap:1.5rem;align-items:flex-start;flex-wrap:wrap}.test-preview-container{flex:0 0 200px}.test-preview{width:200px;height:200px;object-fit:cover;border-radius:8px;border:1px solid var(--border)}.predictions{flex:1;min-width:200px}.prediction-row{margin-bottom:.75rem}.prediction-label{display:flex;justify-content:space-between;font-size:.9rem;margin-bottom:.3rem}.prediction-name{font-weight:600}.prediction-pct{font-family:var(--mono);color:var(--accent-light)}.prediction-bar-bg{background:var(--surface-2);border-radius:4px;height:6px;overflow:hidden}.prediction-bar-fill{height:100%;border-radius:4px;background:var(--accent);transition:width .3s}.prediction-bar-fill.top{background:var(--green)}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:100}.modal-content{max-width:500px;width:90%}.modal-content video{width:100%;border-radius:8px;background:var(--surface-2)}footer{text-align:center;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border);color:var(--text-2);font-size:.85rem}footer a{color:var(--accent-light);text-decoration:none}footer a:hover{text-decoration:underline}