*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#020617;color:#e5e7eb}body,main{min-height:100vh}main{display:flex;align-items:center;justify-content:center;padding:2.5rem 1rem}.emotionlens-container{width:100%;max-width:900px}.card{border-radius:16px;border:1px solid #1f2933;background:rgba(15,23,42,.9);padding:16px}textarea{width:100%;border-radius:12px;border:1px solid #1f2933;background:#020617;color:#e5e7eb;padding:8px 10px;resize:vertical}button.primary{border-radius:999px;border:none;padding:8px 18px;background:#0ea5e9;color:#020617;font-weight:600;cursor:pointer}button.primary:disabled{opacity:.6;cursor:default}