:root{--bg:#05060f;--panel:#0e1226;--line:rgba(120,160,255,.18);--txt:#dfe6ff;--dim:#8b95c9;--accent:#7c9cff;--gold:#ffd54f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--txt);font-family:Segoe UI,system-ui,-apple-system,sans-serif}a{color:var(--accent)}.container{max-width:880px;margin:0 auto;padding:32px 20px}.btn{display:inline-block;background:linear-gradient(90deg,#7c9cff,#ffd54f);color:#05060f;font-weight:700;padding:14px 28px;border-radius:12px;border:none;cursor:pointer;font-size:16px;text-decoration:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:14px}.locked{opacity:.45;pointer-events:none}input{padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:#0a0e1e;color:var(--txt);width:100%;font-size:15px}