:root{--bg-color:#0f172a;--panel-bg:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--accent:#4f46e5;--accent-hover:#4338ca;--danger:#ef4444;--danger-hover:#dc2626;--border:#334155}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{background-color:var(--bg-color);color:var(--text-main);font-family:Inter,system-ui,-apple-system,sans-serif}.layout{width:100%;height:100%;display:flex}.sidebar{background-color:var(--panel-bg);border-right:1px solid var(--border);z-index:10;flex-direction:column;flex-shrink:0;gap:8px;width:192px;height:100%;padding:14px;display:flex;overflow-y:auto;box-shadow:4px 0 15px #0000004d}.header{align-items:center;gap:12px;display:flex}.header h1{letter-spacing:-.02em;font-size:1.25rem;font-weight:600}.icon-accent{color:var(--accent)}.control-group{flex-direction:column;gap:12px;display:flex}.label{justify-content:space-between;font-size:.95rem;font-weight:500;display:flex}.error{color:var(--danger);font-size:.8rem}.help-text{color:var(--text-muted);font-size:.8rem;line-height:1.4}.slider{-webkit-appearance:none;background:var(--border);border-radius:4px;outline:none;width:100%;height:6px;transition:all .2s}.slider::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border-radius:50%;width:18px;height:18px;transition:transform .1s;box-shadow:0 0 10px #4f46e580}.slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.actions{flex-direction:column;gap:12px;display:flex}.btn{cursor:pointer;color:#fff;text-align:center;border:none;border-radius:6px;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;padding:6px 10px;font-size:.75rem;font-weight:600;transition:all .2s;display:flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--accent);box-shadow:0 4px 6px -1px #4f46e566}.btn-primary:hover:not(:disabled){background-color:var(--accent-hover);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(1px)}.btn-danger{background-color:var(--danger);box-shadow:0 4px 6px -1px #ef44444d}.btn-danger:hover:not(:disabled){background-color:var(--danger-hover)}.info-box{border:1px solid var(--border);background-color:#0f172a66;border-radius:8px;flex-direction:column;gap:8px;margin-top:16px;padding:16px;display:flex}.info-box h3{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.9rem;font-weight:600}.info-box p{color:var(--accent);font-size:1.5rem;font-weight:700}.canvas-container{background-image:radial-gradient(circle,#3341554d 1px,#0000 1px);background-size:24px 24px;flex:1;position:relative}@media (width<=768px){.layout{flex-direction:column-reverse}.sidebar{border-right:none;border-top:1px solid var(--border);flex:none;gap:8px;width:100%;height:45vh;padding:8px}.canvas-container{flex:none;height:55vh}.actions{gap:6px}.btn{gap:4px;padding:6px;font-size:.7rem}.header h1{font-size:1rem}.info-box{gap:4px;margin-top:8px;padding:8px}.info-box p{font-size:1rem}hr{margin:.5rem 0!important}}