:root{--bg:#0f1713;--surface:#15221b;--line:#2a3f34;--text:#e8f2eb;--muted:#8eab9a;--accent:#72bb8b}*{box-sizing:border-box}body{margin:0;color:var(--text);background:linear-gradient(120deg,rgba(35,72,53,.5),transparent),linear-gradient(240deg,rgba(16,48,35,.8),transparent),var(--bg);font-family:Space Grotesk,Segoe UI,sans-serif}main{min-height:100vh;padding:24px;display:grid;place-items:center}.card{width:min(680px,96vw);background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px}button,input,textarea{width:100%;padding:11px;border-radius:10px;border:1px solid var(--line)}button{border:none;background:var(--accent);color:#0f1713;font-weight:600}.grid{display:grid;grid-gap:10px;gap:10px}.small{color:var(--muted);font-size:13px}