:root{--bg-color: #0b0f19;--text-color: #f0f4f8;--text-muted: #8b9bb4;--node-bg: #1c2331;--node-border: #3b4252;--node-text: #ffffff;--color-primary: #00e5ff;--color-success: #00ffaa;--color-error: #ff3366;--glow-primary: rgba(0, 229, 255, .5);--glow-success: rgba(0, 255, 170, .5);--glow-error: rgba(255, 51, 102, .5);--font-main: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-main);overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:none;display:flex;justify-content:center;align-items:center;height:100vh;width:100vw}#root{width:100%;height:100%;display:flex;flex-direction:column}h1,h2,h3,p{margin:0}.glass-panel{background:#1c233199;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.08);border-radius:16px;box-shadow:0 8px 32px #0006}.text-gradient{background:linear-gradient(135deg,var(--color-primary),#0077ff);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}button{background:transparent;border:none;cursor:pointer;font-family:inherit}.btn-primary{background:linear-gradient(135deg,var(--color-primary),#00bbff);color:#000;font-weight:700;font-size:1.2rem;padding:12px 32px;border-radius:30px;box-shadow:0 4px 15px var(--glow-primary);transition:transform .2s ease,box-shadow .2s ease;text-transform:uppercase;letter-spacing:1px}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--glow-primary)}.btn-primary:active{transform:translateY(1px)}