:root{--bg-primary:#0a0e17;--bg-secondary:#111827;--bg-card:#111827d9;--bg-card-hover:#1e293be6;--bg-glass:#0f172abf;--accent-primary:#06b6d4;--accent-secondary:#22d3ee;--accent-glow:#06b6d44d;--accent-green:#10b981;--accent-amber:#f59e0b;--accent-red:#ef4444;--accent-purple:#8b5cf6;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--border-subtle:#94a3b81a;--border-active:#06b6d466;--panel-width:280px;--panel-gap:16px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--transition-fast:.15s ease;--transition-normal:.3s ease;--transition-smooth:.4s cubic-bezier(.4, 0, .2, 1);--font-primary:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", monospace}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-primary);background:var(--bg-primary);color:var(--text-primary);cursor:crosshair;-webkit-font-smoothing:antialiased;overflow:hidden}#simulation-canvas{z-index:0;width:100vw;height:100vh;position:fixed;top:0;left:0}#loading-screen{z-index:1000;background:var(--bg-primary);justify-content:center;align-items:center;transition:opacity .8s,visibility .8s;display:flex;position:fixed;inset:0}#loading-screen.hidden{opacity:0;visibility:hidden;pointer-events:none}.loader-content{text-align:center}.loader-ring{border:3px solid var(--border-subtle);border-top-color:var(--accent-primary);border-radius:50%;width:56px;height:56px;margin:0 auto 24px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loader-content h1{letter-spacing:-.5px;background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:28px;font-weight:700}.loader-subtitle{color:var(--text-muted);font-size:14px;font-weight:400}#top-bar{z-index:100;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);background:linear-gradient(#0a0e17f2 0%,#0a0e17b3 100%);justify-content:space-between;align-items:center;height:52px;padding:0 20px;display:flex;position:fixed;top:0;left:0;right:0}.logo-section{align-items:center;gap:10px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));border-radius:var(--radius-sm);width:36px;height:36px;color:var(--bg-primary);justify-content:center;align-items:center;display:flex}.logo-text{letter-spacing:-.3px;color:var(--text-primary);font-size:16px;font-weight:700}.top-bar-center{position:absolute;left:50%;transform:translate(-50%)}.sim-status{letter-spacing:1.5px;color:var(--accent-green);text-transform:uppercase;align-items:center;gap:8px;font-size:11px;font-weight:600;display:flex}.status-dot{background:var(--accent-green);border-radius:50%;width:8px;height:8px;animation:2s ease-in-out infinite pulse-dot}@keyframes pulse-dot{0%,to{opacity:1;box-shadow:0 0 #10b98166}50%{opacity:.7;box-shadow:0 0 0 6px #10b98100}}.time-display{font-family:var(--font-mono);color:var(--text-secondary);font-size:14px;font-weight:500}#click-hint{z-index:90;background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);color:var(--text-secondary);pointer-events:none;border-radius:100px;align-items:center;gap:8px;padding:10px 20px;font-size:13px;font-weight:500;animation:4s ease-in-out infinite hint-fade;display:flex;position:fixed;bottom:80px;left:50%;transform:translate(-50%)}@keyframes hint-fade{0%,to{opacity:.7}50%{opacity:1}}#stats-panel{top:68px;left:var(--panel-gap);width:var(--panel-width);z-index:50;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:transform var(--transition-smooth), opacity var(--transition-smooth);flex-direction:column;gap:10px;padding:16px;display:flex;position:fixed;bottom:68px;overflow-y:auto}#stats-panel.collapsed{transform:translateX(calc(-100% - var(--panel-gap)));opacity:0}#stats-panel::-webkit-scrollbar{width:4px}#stats-panel::-webkit-scrollbar-track{background:0 0}#stats-panel::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:4px}.panel-header{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.panel-header h2{letter-spacing:.5px;text-transform:uppercase;color:var(--text-muted);font-size:13px;font-weight:600}.icon-btn{border:1px solid var(--border-subtle);width:28px;height:28px;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border-radius:6px;justify-content:center;align-items:center;display:flex}.icon-btn:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-active)}.stat-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);transition:all var(--transition-fast);flex-wrap:wrap;align-items:center;gap:12px;padding:14px;display:flex}.stat-card:hover{background:var(--bg-card-hover);border-color:var(--border-active);transform:translateY(-1px)}.stat-card.highlight-card{border-color:var(--accent-glow);background:linear-gradient(135deg,#06b6d41a,#22d3ee0d)}.stat-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;display:flex}.collected-icon{color:var(--accent-primary);background:#06b6d426}.flow-icon{color:var(--accent-purple);background:#8b5cf626}.fill-icon{color:var(--accent-amber);background:#f59e0b26}.active-icon{color:var(--accent-green);background:#10b98126}.efficiency-icon{color:var(--accent-red);background:#ef444426}.stat-info{flex-direction:column;min-width:0;display:flex}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:500}.stat-value{font-family:var(--font-mono);color:var(--text-primary);font-size:22px;font-weight:700;line-height:1.1}.stat-unit{color:var(--text-secondary);font-size:11px}.fill-bar-container{background:#ffffff0f;border-radius:100px;width:100%;height:6px;margin-top:4px;overflow:hidden}.fill-bar{background:linear-gradient(90deg, var(--accent-green), var(--accent-amber));border-radius:100px;width:0%;height:100%;transition:width .5s,background .5s}.fill-bar.warning{background:linear-gradient(90deg, var(--accent-amber), var(--accent-red))}.fill-bar.critical{background:linear-gradient(90deg, var(--accent-red), #dc2626)}#charts-panel{top:68px;right:var(--panel-gap);width:var(--panel-width);z-index:50;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:transform var(--transition-smooth), opacity var(--transition-smooth);flex-direction:column;gap:10px;padding:16px;display:flex;position:fixed;bottom:68px;overflow-y:auto}#charts-panel.collapsed{transform:translateX(calc(100% + var(--panel-gap)));opacity:0}#charts-panel::-webkit-scrollbar{width:4px}#charts-panel::-webkit-scrollbar-track{background:0 0}#charts-panel::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:4px}.chart-container{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:14px}.chart-container h3{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.3px;margin-bottom:10px;font-size:12px;font-weight:600}.chart-container canvas{max-height:150px;width:100%!important}#bottom-controls{bottom:var(--panel-gap);z-index:90;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:100px;align-items:center;gap:12px;padding:10px 20px;display:flex;position:fixed;left:50%;transform:translate(-50%)}.control-btn{background:var(--bg-card);border:1px solid var(--border-subtle);width:40px;height:40px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;display:flex}.control-btn:hover{background:var(--bg-card-hover);color:var(--accent-primary);border-color:var(--accent-glow);box-shadow:0 0 20px var(--accent-glow)}.control-btn.active{color:var(--accent-primary);border-color:var(--accent-primary);background:#06b6d433}.speed-control{align-items:center;gap:10px;padding:0 8px;display:flex}.speed-control label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;font-size:11px;font-weight:500}.speed-control input[type=range]{appearance:none;background:linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));border-radius:100px;outline:none;width:100px;height:4px}.speed-control input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--text-primary);border:2px solid var(--accent-primary);cursor:pointer;width:16px;height:16px;box-shadow:0 0 10px var(--accent-glow);border-radius:50%}#net-alert{z-index:200;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:var(--accent-amber);transition:all var(--transition-smooth);opacity:1;background:#f59e0b26;border:1px solid #f59e0b4d;border-radius:100px;align-items:center;gap:10px;padding:12px 24px;font-size:13px;font-weight:500;display:flex;position:fixed;top:64px;left:50%;transform:translate(-50%)translateY(-20px)}#net-alert.hidden{opacity:0;pointer-events:none;transform:translate(-50%)translateY(-40px)}#net-alert.critical{color:var(--accent-red);background:#ef444426;border-color:#ef44444d}@media (width<=1024px){:root{--panel-width:240px}}@media (width<=768px){#stats-panel,#charts-panel{width:calc(100vw - 32px);max-height:40vh}#stats-panel{inset:auto 16px 68px}#charts-panel{display:none}}