:root{--bg-dark:#0f172a;--bg-card:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent:#3b82f6;--accent-hover:#2563eb;--border:#334155}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-primary);font-family:Inter,system-ui,-apple-system,sans-serif;overflow:hidden}#root{height:100vh;display:flex}.sidebar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-right:1px solid var(--border);z-index:10;background:#1e293bcc;flex-direction:column;gap:2rem;width:320px;height:100%;padding:1.5rem;display:flex}.canvas-container{background:radial-gradient(circle,#1e293b 0%,#0f172a 100%);flex:1;position:relative;overflow:hidden}canvas{cursor:grab}canvas:active{cursor:grabbing}h1{letter-spacing:-.025em;color:var(--text-primary);font-size:1.25rem;font-weight:700}.control-group{flex-direction:column;gap:.75rem;display:flex}.label{color:var(--text-secondary);font-size:.875rem;font-weight:600}button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:.5rem;padding:.75rem 1rem;font-weight:600;transition:all .2s}button:hover{background:var(--accent-hover);transform:translateY(-1px)}button:active{transform:translateY(0)}button.secondary{background:var(--bg-card);border:1px solid var(--border)}button.secondary:hover{background:var(--border)}.stats{color:var(--text-secondary);margin-top:auto;font-family:monospace;font-size:.875rem}.canvas-tooltip{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);pointer-events:none;z-index:100;background:#0f172ae6;border-left-width:4px;border-radius:.5rem;min-width:140px;padding:.75rem;position:fixed;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.tooltip-title{color:var(--text-primary);margin-bottom:.25rem;font-size:.875rem;font-weight:700}.tooltip-info{color:var(--text-secondary);justify-content:space-between;gap:1rem;font-size:.75rem;display:flex}.tooltip-info span{color:var(--text-primary);font-weight:600}