:root{--primary:#6366f1;--bg:#0f172a;--card:#1e293b;--text:#f8fafc;font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif}a{color:inherit}button,input{font:inherit;padding:10px 12px;border-radius:8px;border:1px solid #334155;background:var(--card);color:var(--text)}button{background:var(--primary);border:0;cursor:pointer;font-weight:600}