:root{--bg-primary:#0a0a0c;--bg-secondary:#111114;--bg-tertiary:#18181d;--bg-elevated:#1f1f25;--border:#2a2a32;--border-strong:#3a3a45;--text-primary:#e8e8ed;--text-secondary:#9a9aa5;--text-tertiary:#5a5a65;--accent:#d4a574;--accent-glow:#d4a57466;--warm:#ffa360;--cool:#8ab4ff;--neutral:#f5f0e8}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Fraunces,Georgia,serif;font-weight:400}.app{grid-template-columns:1fr 380px;width:100vw;height:100vh;display:grid}.viewport{background:var(--bg-secondary);position:relative;overflow:hidden}#canvas{width:100%;height:100%;display:block}.viewport-overlay{pointer-events:none;z-index:10;justify-content:space-between;align-items:flex-start;padding:24px 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