@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap";:root{--bg-color:#0a0e1a;--panel-bg:#111827;--panel-bg-hover:#1a2235;--text-main:#f1f5f9;--text-muted:#64748b;--text-dim:#475569;--accent:#3b82f6;--accent-hover:#2563eb;--accent-glow:#3b82f626;--border-color:#ffffff0f;--canvas-bg:#0b1120;--point-color:#ec4899;--curve-color:#10b981;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--a-color:#f472b6;--b-color:#60a5fa;--c-color:#34d399;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);min-height:100vh}#root{height:100%}.app-container{width:100vw;height:100vh;display:flex}.sidebar{background:var(--panel-bg);border-right:1px solid var(--border-color);flex-direction:column;gap:4px;width:320px;min-width:320px;padding:20px;display:flex;overflow-y:auto}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}.right-panel{background:var(--panel-bg);border-left:1px solid var(--border-color);flex-direction:column;gap:4px;width:340px;min-width:340px;padding:20px;display:flex;overflow-y:auto}.right-panel::-webkit-scrollbar{width:4px}.right-panel::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}.main-content{background:linear-gradient(135deg,#080c18 0%,#0b1120 50%,#0d1526 100%);flex:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.header{border-bottom:1px solid var(--border-color);margin-bottom:20px;padding-bottom:16px}.header h1{letter-spacing:-.02em;margin-bottom:4px;font-size:1.3rem;font-weight:700}.header p{color:var(--text-muted);font-size:.8rem;font-weight:400}.section{border:1px solid var(--border-color);background:#ffffff05;border-radius:10px;margin-bottom:12px;padding:16px;transition:border-color .3s}.section.training-active{border-color:#10b98166;box-shadow:0 0 20px #10b9810f}.section-title{text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);align-items:center;gap:8px;margin-bottom:14px;font-size:.75rem;font-weight:600;display:flex}.control-group{margin-bottom:14px}.control-group label{color:var(--text-muted);margin-bottom:6px;font-size:.8rem;font-weight:500;display:block}.control-group select{border:1px solid var(--border-color);width:100%;color:var(--text-main);cursor:pointer;appearance:none;background:#0000004d url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") right 10px center no-repeat;border-radius:8px;outline:none;padding:8px 12px;font-family:inherit;font-size:.85rem;transition:border-color .2s,background .2s}.control-group select:focus{border-color:var(--accent);background-color:#0006}.control-group select:disabled{opacity:.4;cursor:not-allowed}.slider-row{align-items:center;gap:12px;display:flex}.slider-row input[type=range]{appearance:none;cursor:pointer;background:#ffffff1a;border-radius:2px;outline:none;flex:1;height:4px}.slider-row input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border:2px solid #1e40af;border-radius:50%;width:16px;height:16px;transition:transform .15s,box-shadow .15s}.slider-row input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 10px #3b82f680}.slider-row input[type=range]:disabled{opacity:.3;cursor:not-allowed}.slider-value{text-align:center;min-width:36px;color:var(--accent);font-variant-numeric:tabular-nums;background:#3b82f61a;border-radius:6px;padding:3px 8px;font-size:.85rem;font-weight:600}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;margin-bottom:8px;padding:10px;font-family:inherit;font-size:.88rem;font-weight:600;transition:all .2s;display:flex}.btn.primary{color:#fff;background:linear-gradient(135deg,#3b82f6 0%,#2563eb 100%);box-shadow:0 2px 12px #3b82f64d}.btn.primary:hover:not(:disabled){background:linear-gradient(135deg,#60a5fa 0%,#3b82f6 100%);transform:translateY(-1px);box-shadow:0 4px 16px #3b82f666}.btn.primary:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.4;cursor:not-allowed;filter:grayscale(.5)}.btn.secondary{border:1px solid var(--border-color);color:var(--text-main);background:0 0}.btn.secondary:hover:not(:disabled){background:#ffffff0a;border-color:#ffffff1f}.btn.danger{border:1px solid var(--danger);color:var(--danger);background:0 0}.btn.danger:hover:not(:disabled){background:#ef44441a}.hint-text{color:var(--danger);text-align:center;margin-top:4px;font-size:.78rem}.row{gap:8px;display:flex}.row .btn{flex:1}.stat-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px;display:grid}.stat-box{border:1px solid var(--border-color);text-align:center;background:#00000040;border-radius:8px;padding:14px 10px}.stat-value{color:var(--accent);font-variant-numeric:tabular-nums;margin-bottom:2px;font-family:JetBrains Mono,monospace;font-size:1.5rem;font-weight:700}.stat-value.loss{color:var(--warning);font-size:1.1rem}.stat-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;font-size:.7rem;font-weight:500}.progress-track{background:#ffffff0f;border-radius:2px;width:100%;height:4px;margin-bottom:4px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--accent), var(--success));border-radius:2px;height:100%;transition:width .15s linear}.progress-label{color:var(--text-dim);text-align:right;margin-bottom:10px;font-size:.7rem}.loss-chart-container{border:1px solid var(--border-color);background:#0003;border-radius:8px;margin-top:8px;padding:8px}.loss-chart-container svg{width:100%;height:auto}.coefficients-section{background:#fbbf2408;border-color:#fbbf241f}.coeff-row{align-items:center;gap:10px;margin-bottom:10px;display:flex}.coeff-label{text-align:center;min-width:20px;color:var(--text-muted);font-family:JetBrains Mono,monospace;font-size:1rem;font-weight:700}.coeff-bar-container{background:#ffffff0a;border-radius:4px;flex:1;height:8px;overflow:hidden}.coeff-bar{border-radius:4px;height:100%;transition:width .3s}.coeff-bar.a-bar{background:linear-gradient(90deg, var(--a-color), #f472b64d)}.coeff-bar.b-bar{background:linear-gradient(90deg, var(--b-color), #60a5fa4d)}.coeff-bar.c-bar{background:linear-gradient(90deg, var(--c-color), #34d3994d)}.coeff-value{text-align:right;font-variant-numeric:tabular-nums;min-width:70px;font-family:JetBrains Mono,monospace;font-size:.85rem;font-weight:600}.a-color{color:var(--a-color)}.b-color{color:var(--b-color)}.c-color{color:var(--c-color)}.formula-display{text-align:center;color:var(--text-main);letter-spacing:.3px;white-space:nowrap;text-overflow:ellipsis;background:#0000004d;border:1px solid #fbbf2426;border-radius:8px;margin-top:14px;padding:10px 14px;font-family:JetBrains Mono,monospace;font-size:.78rem;font-weight:600;overflow:hidden}.canvas-container{justify-content:center;align-items:center;width:100%;height:100%;padding:20px;display:flex}.canvas-container canvas{border:1px solid #ffffff0f;box-shadow:0 0 60px #00000080,0 0 120px #10b98108}.instructions-section{flex:1}.explanation{flex-direction:column;gap:10px;display:flex}.step{align-items:flex-start;gap:10px;display:flex}.step-num{min-width:24px;height:24px;color:var(--accent);background:#3b82f626;border-radius:6px;justify-content:center;align-items:center;margin-top:1px;font-size:.75rem;font-weight:700;display:flex}.step p{color:#94a3b8;font-size:.82rem;line-height:1.5}.highlight{color:#fbbf24;font-weight:600}.highlight-green{color:#34d399;font-weight:600}.highlight-pink{color:#f472b6;font-weight:600}.highlight-blue{color:#60a5fa;font-weight:600}.badge{letter-spacing:.5px;border-radius:4px;align-items:center;margin-left:auto;padding:2px 8px;font-size:.65rem;font-weight:700;display:inline-flex}.badge.training{color:var(--success);background:#10b98126;border:1px solid #10b9814d;animation:1.5s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.config-changed-hint{color:#fbbf24;background:#fbbf2414;border:1px solid #fbbf2440;border-radius:8px;align-items:center;gap:8px;margin-bottom:10px;padding:8px 12px;font-size:.78rem;font-weight:500;animation:.3s fadeSlideIn;display:flex}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.btn.primary.config-changed{background:linear-gradient(135deg,#f59e0b 0%,#d97706 100%);animation:2s infinite glowPulse;box-shadow:0 2px 16px #f59e0b59}.btn.primary.config-changed:hover:not(:disabled){background:linear-gradient(135deg,#fbbf24 0%,#f59e0b 100%);box-shadow:0 4px 20px #f59e0b80}@keyframes glowPulse{0%,to{box-shadow:0 2px 16px #f59e0b59}50%{box-shadow:0 2px 24px #f59e0b8c}}.trained-with-info{color:var(--text-muted);background:#3b82f60f;border:1px solid #3b82f61f;border-radius:6px;align-items:flex-start;gap:6px;margin-top:10px;padding:8px 10px;font-size:.72rem;line-height:1.4;display:flex}.trained-with-info svg{color:var(--accent);flex-shrink:0;margin-top:1px}.coefficients-section.stale{opacity:.6;position:relative}.coefficients-section.stale:after{content:"Retrain to update";color:#fbbf24;letter-spacing:.5px;text-transform:uppercase;font-size:.65rem;font-weight:600;position:absolute;top:8px;right:12px}@media (width<=900px){.app-container{flex-direction:column;height:auto;min-height:100vh}.sidebar{border-right:none;border-bottom:1px solid var(--border-color);flex-flow:wrap;align-items:flex-start;gap:12px;width:100%;min-width:0;padding:16px}.sidebar .header{width:100%;margin-bottom:4px;padding-bottom:8px}.sidebar .section{flex:200px;min-width:180px}.main-content{flex:auto;min-height:400px}.canvas-container{padding:12px}.right-panel{border-left:none;border-top:1px solid var(--border-color);width:100%;min-width:0;padding:16px}.right-panel .instructions-section{display:none}}@media (width<=600px){.sidebar{flex-direction:column;padding:12px}.sidebar .section{flex:auto;width:100%;min-width:0}.main-content{min-height:320px}.canvas-container{padding:8px}.canvas-container canvas{max-width:100%;height:auto!important}.right-panel{padding:12px}.stat-grid{gap:8px}.formula-display{padding:8px 10px;font-size:.7rem}.coeff-value{min-width:56px;font-size:.72rem}.header h1{font-size:1.1rem}}