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var(--border-color);cursor:pointer;width:34px;height:34px;color:var(--text-secondary);transition:var(--transition-smooth);background:#0000000a;border-radius:8px;justify-content:center;align-items:center;display:flex}.icon-btn:hover{color:var(--color-accent-text);border-color:var(--border-focus);background:#6366f11f;transform:translateY(-1px)}.app-container{flex-direction:column;min-height:100vh;display:flex}.simulation-container{flex-direction:column;gap:16px;height:100%;padding:20px;display:flex}.sim-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-bottom:12px;display:flex}.sim-title-group{align-items:center;gap:10px;display:flex}.sim-status-dot{background:var(--text-muted);width:10px;height:10px;transition:var(--transition-smooth);border-radius:50%;box-shadow:0 0 #0000}.sim-status-dot.active{background:#10b981;box-shadow:0 0 10px #10b98199}.playback-controls{gap:8px;display:flex}.btn-ctrl{border-radius:8px;padding:6px 12px;font-size:.85rem}.icon{width:16px;height:16px}.canvas-wrapper{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;flex:1;min-height:220px;position:relative;overflow:hidden}.sim-canvas{width:100%;height:100%;display:block}.parameters-section{border:1px solid var(--border-color);background:#00000004;border-radius:8px;flex-direction:column;gap:10px;padding:12px;display:flex}.params-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);font-size:.85rem;font-weight:700}.params-grid{grid-template-columns:1fr 1fr;gap:12px 18px;display:grid}.full-width{grid-column:1/-1}@media 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