:root{--bg-color:#fdfcfb;--text-main:#1c1917;--text-muted:#78716c;--panel-bg:#fff;--border-color:#e7e5e4;--accent-color:#d97757;--accent-hover:#c26143;--station-color:#fafaf9;--buffer-color:#f5f5f4;--token-color:#525252;--danger-color:#b91c1c;--shadow-sm:0 2px 4px 0 #00000005;--shadow-md:0 8px 16px -4px #0000000a;--font-serif:ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}body{background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-sans);flex-direction:column;min-height:100vh;margin:0;display:flex}#root{flex-direction:column;flex:1;display:flex}*{box-sizing:border-box}h1,h2,h3,h4,p{margin:0}h1,.serif-text{font-family:var(--font-serif)}.app-container{flex-direction:column;gap:2rem;width:100%;max-width:1000px;margin:0 auto;padding:3rem 1.5rem;display:flex}.header{text-align:left;border-bottom:1px solid var(--border-color);flex-direction:column;gap:1rem;padding-bottom:2rem;display:flex}.header-logo-container{align-items:flex-start;display:flex}.header-logo{object-fit:contain;width:auto;height:64px}.title{letter-spacing:-.02em;color:var(--text-main);font-size:2.25rem;font-weight:400}.subtitle{color:var(--text-muted);font-size:1.1rem;font-weight:400}.dashboard{grid-template-columns:1fr 300px;align-items:start;gap:2rem;display:grid}@media (width<=900px){.dashboard{grid-template-columns:1fr}}.simulation-area{flex-direction:column;gap:2rem;display:flex}.controls-panel{background:var(--panel-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:12px;flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex}.factory-line{background:var(--panel-bg);min-height:200px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);border-radius:12px;justify-content:space-between;align-items:center;gap:.5rem;padding:1.5rem;display:flex;position:relative}.oee-visualizer-line{flex-direction:row;justify-content:center;align-items:flex-start;gap:3rem;min-height:250px;padding:2.5rem;position:relative}.shift-summary-overlay{-webkit-backdrop-filter:blur(8px);z-index:10;border:1px solid var(--border-color);background:#fdfcfbf2;border-radius:12px;justify-content:center;align-items:center;gap:4rem;width:100%;height:100%;padding:2.5rem;display:flex;position:absolute;top:0;left:0}@media (width<=900px){.shift-summary-overlay{flex-direction:column;gap:2rem;height:auto;min-height:500px;padding:2rem 1rem;position:relative}}.station{background:var(--station-color);border:1px solid var(--border-color);z-index:2;border-radius:8px;flex-direction:column;align-items:center;gap:1rem;width:130px;padding:1rem;transition:all .3s;display:flex;position:relative}.station.active{border-color:var(--text-main);background:#fcfcfb}.station-title{text-align:center;color:var(--text-main);font-size:.95rem;font-weight:600}.station-machine{border:2px solid var(--border-color);background:#fff;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:border-color .2s;display:flex;position:relative}.station.active .station-machine{border-color:var(--text-main)}.processing-item{background:var(--accent-color);border-radius:4px;width:16px;height:16px;animation:.6s cubic-bezier(.5,.05,1,.5) infinite alternate bounce}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-8px)}}.station-stats{color:var(--text-muted);text-align:left;flex-direction:column;gap:4px;width:100%;margin-top:.25rem;font-size:.75rem;display:flex}.station-stats .stat-row{justify-content:space-between;align-items:center;display:flex}.buffer{background:var(--buffer-color);border:1px dashed #d6d3d1;border-radius:8px;flex-wrap:wrap;flex:1;align-content:flex-start;gap:4px;min-width:50px;height:70px;padding:8px;transition:all .3s;display:flex;position:relative}.buffer-title{color:var(--text-muted);white-space:nowrap;font-size:.75rem;font-weight:500;position:absolute;top:-22px;left:50%;transform:translate(-50%)}.buffer.full{border-color:var(--danger-color);background:#fef2f2}.item-token{background:var(--accent-color);border-radius:3px;width:14px;height:14px;transition:all .3s}.item-token.completed{background:var(--token-color)}.item-token.scrap{background:var(--danger-color)}.bucket{background:var(--station-color);border:1px solid var(--border-color);border-radius:8px;flex-direction:column;align-items:center;gap:.5rem;width:100px;min-height:130px;padding:.75rem;display:flex;box-shadow:0 1px 2px #00000003}.bucket-label{text-transform:uppercase;color:var(--text-muted);text-align:center;font-size:.7rem;font-weight:600}.bucket-count{font-size:1.25rem;font-weight:500;font-family:var(--font-serif);color:var(--text-main)}.controls-row{background:var(--panel-bg);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);border-radius:12px;justify-content:space-between;align-items:center;padding:.75rem 1.25rem;display:flex}.control-group{flex-direction:column;gap:.5rem;display:flex}.control-label{color:var(--text-main);justify-content:space-between;font-size:.85rem;font-weight:500;display:flex}.control-label span.value{color:var(--text-main);font-weight:600}input[type=range]{appearance:none;background:0 0;width:100%}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--text-main);cursor:pointer;border:2px solid var(--panel-bg);border-radius:50%;width:16px;height:16px;margin-top:-6px;transition:transform .1s}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.1)}input[type=range]::-webkit-slider-runnable-track{cursor:pointer;background:#e7e5e4;border-radius:2px;width:100%;height:4px}button.primary,button.secondary{cursor:pointer;font-weight:500;font-family:var(--font-sans);border:1px solid var(--border-color);background:var(--panel-bg);border-radius:6px;justify-content:center;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-size:.9rem;transition:all .2s;display:flex}button.primary{background:var(--accent-color);color:#fff;border-color:var(--accent-hover)}button.primary:hover{background:var(--accent-hover)}button.primary:active{transform:translateY(1px)}button.secondary{color:var(--text-main);background:var(--station-color)}button.secondary:hover{background:#f5f5f4}.metric-card{background:var(--panel-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:12px;flex-direction:column;justify-content:center;align-items:flex-start;padding:1.5rem;display:flex;position:relative}.metric-value{font-size:2rem;font-family:var(--font-serif);color:var(--text-main);margin:.25rem 0;font-weight:500;line-height:1.2}.metric-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:600}.concept-box{color:#574c43;background:#fdfaf8;border:1px solid #f2e6de;border-radius:8px;padding:1.2rem;font-size:.9rem;line-height:1.5}.concept-box h3{color:#9a533c;font-size:1rem;font-weight:600;font-family:var(--font-sans);align-items:center;gap:.5rem;margin-bottom:.5rem;display:flex}.source-sink-btn{background:var(--station-color);border:1px solid var(--border-color);text-align:center;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;height:130px;padding:1rem;transition:all .2s;display:flex;box-shadow:0 1px 2px #00000003}.finish-pool{flex-wrap:wrap;justify-content:center;gap:3px;width:100%;max-width:70px;display:flex}.stats-grid{grid-template-columns:repeat(5,1fr);gap:1rem;display:grid}.oee-metrics-grid{grid-template-columns:repeat(4,1fr);gap:1.25rem;margin-bottom:2rem;display:grid}@media (width<=1024px){.stats-grid{grid-template-columns:repeat(3,1fr)}.oee-metrics-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=768px){.app-container{gap:1.5rem;padding:1.5rem 1rem}.header{padding-bottom:1rem}.title{font-size:1.75rem}.factory-line{-webkit-overflow-scrolling:touch;justify-content:flex-start;gap:1rem;width:100%;min-height:180px;margin-left:0;padding:1.5rem 1rem;overflow-x:auto;transform:none}.station{flex-shrink:0;width:130px;min-width:130px}.station-machine{width:48px;height:48px}.buffer{width:80px;min-width:80px;height:70px}.buffer-title{font-size:.75rem;top:-22px}.stats-grid{grid-template-columns:repeat(2,1fr)}.oee-metrics-grid{grid-template-columns:1fr}.controls-row{flex-direction:column;align-items:stretch;gap:1rem}.controls-row>div{justify-content:space-between}.oee-visualizer-line{justify-content:flex-start;gap:1.5rem;width:100%;min-height:auto;margin-left:0;padding:2rem 1.5rem;overflow-x:auto;transform:none}.shift-summary-overlay{flex-direction:column;gap:2rem;height:auto;min-height:500px;padding:2rem 1rem;position:relative}}@media (width<=480px){.stats-grid{grid-template-columns:1fr}}